/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Backgrounds */
  --bg: linear-gradient(135deg, #0a0a0f 0%, #12121a 100%);
  --bg-solid: #0a0a0f;
  --bg-card: linear-gradient(145deg, #12121a, #1a1a25);
  --bg-card-solid: #12121a;
  --bg-card-hover: linear-gradient(145deg, #1a1a25, #252532);
  --bg-input: #16161f;
  --bg-modal: #14141e;
  --bg-glass: rgba(18, 18, 26, 0.8);
  
  /* Borders */
  --border: #1e1e2e;
  --border-light: #2a2a3a;
  --border-focus: #6c5ce7;
  --border-gradient: linear-gradient(90deg, #6c5ce7, #a555ec);
  
  /* Text Colors */
  --text: #e8e8f0;
  --text-dim: #8888a0;
  --text-muted: #55556a;
  --text-bright: #ffffff;
  
  /* Accent Colors */
  --accent: #6c5ce7;
  --accent-hover: #7d6ff0;
  --accent-gradient: linear-gradient(135deg, #6c5ce7, #a555ec);
  --accent-glow: rgba(108, 92, 231, 0.3);
  --accent-light: rgba(108, 92, 231, 0.1);
  
  /* Status Colors */
  --green: #00d68f;
  --green-gradient: linear-gradient(135deg, #00d68f, #00b894);
  --green-dim: rgba(0, 214, 143, 0.15);
  --green-glow: rgba(0, 214, 143, 0.25);
  
  --red: #ff4757;
  --red-gradient: linear-gradient(135deg, #ff4757, #ff3742);
  --red-dim: rgba(255, 71, 87, 0.15);
  --red-glow: rgba(255, 71, 87, 0.25);
  
  --orange: #ffa502;
  --orange-gradient: linear-gradient(135deg, #ffa502, #ff9f43);
  --orange-dim: rgba(255, 165, 2, 0.15);
  --orange-glow: rgba(255, 165, 2, 0.25);
  
  --yellow: #ffc312;
  --yellow-gradient: linear-gradient(135deg, #ffc312, #f39c12);
  --yellow-dim: rgba(255, 195, 18, 0.15);
  --yellow-glow: rgba(255, 195, 18, 0.25);
  
  --blue: #3742fa;
  --blue-gradient: linear-gradient(135deg, #3742fa, #5352ed);
  --blue-dim: rgba(55, 66, 250, 0.15);
  --blue-glow: rgba(55, 66, 250, 0.25);
  
  /* Geometry */
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  /* Shadows */
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.6);
  --shadow-colored: 0 8px 32px var(--accent-glow);
  --shadow-green: 0 8px 32px var(--green-glow);
  --shadow-red: 0 8px 32px var(--red-glow);
  
  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --header-height: 72px;
  --sidebar-width: 280px;
  --content-padding: 2rem;
  --gap: 1.5rem;
  --gap-sm: 1rem;
  --gap-lg: 2rem;
}

html {
  font-size: 15px;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-solid);
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(108, 92, 231, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 214, 143, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

/* ==================== SCREENS ==================== */
.screen {
  display: none;
}
.screen.active {
  display: block;
}

#login-screen,
#main-screen {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* ==================== LOGIN ==================== */
#login-screen {
  display: none;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 60%);
}
#login-screen.active {
  display: flex;
}

.login-box {
  width: 100%;
  max-width: 380px;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.shield-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.login-logo h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 0.3rem;
}

/* ==================== FORM ELEMENTS ==================== */
.input-group {
  margin-bottom: 1rem;
}

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transform: translateY(0);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-bright);
  box-shadow: var(--shadow-colored);
  border: 1px solid transparent;
}

.btn-primary:hover {
  box-shadow: var(--shadow-colored), 0 0 40px var(--accent-glow);
  filter: brightness(1.1);
}

.btn-green {
  background: var(--green-gradient);
  color: var(--text-bright);
  box-shadow: var(--shadow-green);
}

.btn-green:hover {
  box-shadow: var(--shadow-green), 0 0 40px var(--green-glow);
  filter: brightness(1.1);
}

.btn-red {
  background: var(--red-gradient);
  color: var(--text-bright);
  box-shadow: var(--shadow-red);
}

.btn-red:hover {
  box-shadow: var(--shadow-red), 0 0 40px var(--red-glow);
  filter: brightness(1.1);
}

.btn-ghost {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  color: var(--text-dim);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.btn-ghost:hover {
  color: var(--text-bright);
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.1);
  box-shadow: var(--shadow-colored);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: var(--radius);
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  filter: none !important;
  box-shadow: none !important;
}

.btn:disabled::before {
  display: none;
}

/* ==================== HEADER ==================== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  box-shadow: var(--shadow);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-left h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 8px var(--accent-glow));
  animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  0% { filter: drop-shadow(0 0 8px var(--accent-glow)); }
  100% { filter: drop-shadow(0 0 16px var(--accent-glow)); }
}

.header-right {
  display: flex;
  gap: 0.5rem;
}

.header-right .btn {
  font-size: 1.2rem;
  padding: 0.6rem 0.8rem;
  border: none;
  border-radius: var(--radius);
}

/* ==================== STATUS BADGE ==================== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  transition: var(--transition);
}

.status-badge:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

.status-badge.online {
  background: var(--green-dim);
  color: var(--green);
}
.status-badge.offline {
  background: var(--red-dim);
  color: var(--red);
}
.status-badge.checking {
  background: var(--orange-dim);
  color: var(--orange);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ==================== STATS GRID ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap);
  padding: var(--content-padding);
  margin-top: 1rem;
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.stat-card:hover::before {
  transform: translateX(100%);
}

.stat-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

.stat-card.accent {
  border-color: rgba(108, 92, 231, 0.4);
  background: linear-gradient(145deg, var(--bg-glass), rgba(108, 92, 231, 0.1));
}

.stat-card.accent:hover {
  box-shadow: var(--shadow-colored), 0 0 60px var(--accent-glow);
}

.stat-card.green {
  border-color: rgba(0, 214, 143, 0.4);
  background: linear-gradient(145deg, var(--bg-glass), rgba(0, 214, 143, 0.1));
}

.stat-card.green:hover {
  box-shadow: var(--shadow-green), 0 0 60px var(--green-glow);
}

.stat-card.warning {
  border-color: rgba(255, 165, 2, 0.4);
  background: linear-gradient(145deg, var(--bg-glass), rgba(255, 165, 2, 0.1));
}

.stat-card.warning:hover {
  box-shadow: var(--shadow), 0 0 60px var(--orange-glow);
}

.stat-card.red {
  border-color: rgba(255, 71, 87, 0.4);
  background: linear-gradient(145deg, var(--bg-glass), rgba(255, 71, 87, 0.1));
}

.stat-card.red:hover {
  box-shadow: var(--shadow-red), 0 0 60px var(--red-glow);
}

.stat-card.profit {
  border-color: rgba(0, 214, 143, 0.5);
  background: linear-gradient(145deg, var(--bg-glass), rgba(0, 214, 143, 0.12));
}

.stat-card.profit:hover {
  box-shadow: var(--shadow-green), 0 0 80px var(--green-glow);
}

.stat-card.breakeven {
  border-color: rgba(108, 92, 231, 0.5);
  background: linear-gradient(145deg, var(--bg-glass), rgba(108, 92, 231, 0.12));
}

.stat-card.breakeven:hover {
  box-shadow: var(--shadow-colored), 0 0 80px var(--accent-glow);
}

.stat-value {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin: 0.75rem 0 0.5rem;
  line-height: 0.9;
  text-shadow: 0 4px 12px rgba(0,0,0,0.4);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse-number 2s ease-in-out infinite alternate;
}

@keyframes pulse-number {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.stat-card.accent .stat-value { 
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card.green .stat-value { 
  background: var(--green-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card.warning .stat-value { 
  background: var(--orange-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card.red .stat-value { 
  background: var(--red-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card.profit .stat-value { 
  background: var(--green-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card.breakeven .stat-value { 
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.stat-label::before {
  content: attr(data-icon);
  font-size: 1.8rem;
  opacity: 0.8;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* ==================== FINANCIAL DETAILS ==================== */
.financial-details {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--gap);
  padding: 0 var(--content-padding) var(--content-padding);
  margin-top: 1rem;
}

.finance-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.finance-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0.6;
}

.finance-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.finance-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.finance-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-fast);
}

.finance-row:hover {
  background: rgba(255,255,255,0.02);
  margin: 0 -1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
}

.finance-row:last-child {
  border-bottom: none;
}

.finance-row.total {
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--accent);
  border-bottom: none;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--accent-light), transparent);
  margin: 1rem -2rem 0;
  padding: 1.5rem 2rem;
  border-radius: var(--radius-sm);
}

.finance-row span {
  color: var(--text-dim);
  font-weight: 500;
}

.finance-row strong {
  color: var(--text-bright);
  font-weight: 700;
  font-size: 1.1em;
}

.finance-note {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(108, 92, 231, 0.25);
  background: rgba(108, 92, 231, 0.08);
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
}

.finance-history-panel {
  margin-bottom: 1.25rem;
}

.finance-history-controls {
  display: flex;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1rem;
}

.finance-history-field {
  flex: 1;
}

.finance-history-field label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 600;
}

.finance-history-field input {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
}

.finance-history-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.finance-history-stat {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: linear-gradient(145deg, var(--bg-input), rgba(255,255,255,0.02));
}

.finance-history-stat span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-dim);
  font-size: 0.8rem;
}

.finance-history-stat strong {
  color: var(--text-bright);
  font-size: 1rem;
}

.finance-history-list {
  max-height: 300px;
  overflow-y: auto;
  padding-right: 0.35rem;
  display: grid;
  gap: 0.75rem;
}

.finance-history-item {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}

.finance-history-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}

.finance-history-month {
  color: var(--text-bright);
  font-weight: 700;
  text-transform: capitalize;
}

.finance-history-users {
  color: var(--text-dim);
  font-size: 0.88rem;
  white-space: nowrap;
}

.finance-history-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.finance-history-value {
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
}

.finance-history-value span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text-dim);
  font-size: 0.76rem;
}

.finance-history-value strong {
  color: var(--text-bright);
  font-size: 0.95rem;
}

.expenses-section-title {
  margin: 1rem 0 0.75rem;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.text-green { 
  color: var(--green) !important; 
  text-shadow: 0 0 8px var(--green-glow);
}

.text-red { 
  color: var(--red) !important; 
  text-shadow: 0 0 8px var(--red-glow);
}

.expenses-list {
  max-height: 260px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.expenses-list::-webkit-scrollbar {
  width: 4px;
}

.expenses-list::-webkit-scrollbar-track {
  background: var(--border);
  border-radius: 2px;
}

.expenses-list::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 2px;
}

.expense-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(145deg, var(--bg-input), rgba(255,255,255,0.02));
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.expense-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.expense-info {
  flex: 1;
}

.expense-title {
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.expense-recurring-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
}

.expense-meta {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

.expense-amount {
  font-weight: 700;
  color: var(--red);
  font-size: 1.1rem;
}

.expense-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 1rem;
}

.expense-edit,
.expense-delete {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.expense-edit:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

.expense-delete:hover {
  background: var(--red-dim);
  color: var(--red);
}

.empty-text {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
}

@media (max-width: 900px) {
  .financial-details {
    grid-template-columns: 1fr;
  }

  .finance-history-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .finance-history-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .finance-history-users {
    white-space: normal;
  }

  .finance-history-values {
    grid-template-columns: 1fr;
  }
}

/* ==================== TOOLBAR ==================== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem 1rem;
}

.search-box {
  flex: 1;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  pointer-events: none;
}

.search-box input {
  padding-left: 2.8rem;
}

.server-filter {
  padding: 0.65rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  min-width: 180px;
}

.server-filter:hover {
  border-color: var(--border-focus);
}

.server-filter:focus {
  outline: none;
  border-color: var(--accent);
}

/* ==================== CLIENT LIST ==================== */
.client-list {
  padding: 0 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.client-card:hover {
  border-color: rgba(108, 92, 231, 0.2);
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.client-card.disabled {
  opacity: 0.5;
}

.client-card.expiring {
  border-left: 3px solid var(--orange);
}

.client-card.expired {
  border-left: 3px solid var(--red);
}

.client-card.quota-warning {
  border-left: 3px solid var(--orange);
}

.client-card.quota-exceeded {
  border-left: 3px solid var(--red);
  box-shadow: 0 0 0 1px rgba(255, 71, 87, 0.15);
}

.client-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.client-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.client-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.client-telegram {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.client-email {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.client-notify-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.22rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.client-notify-pill.connected {
  color: var(--green);
  border-color: rgba(0, 214, 143, 0.3);
  background: rgba(0, 214, 143, 0.1);
}

.client-notify-pill.disconnected {
  color: var(--red);
  border-color: rgba(255, 71, 87, 0.35);
  background: rgba(255, 71, 87, 0.1);
}

.notify-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.notify-dot.connected {
  background: var(--green);
}

.notify-dot.disconnected {
  background: var(--red);
}

.client-server-badge {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.15rem 0.5rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 500;
}

.client-conf-badge {
  display: inline-block;
  margin-top: 0.2rem;
  margin-left: 0.3rem;
  padding: 0.12rem 0.45rem;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 6px;
  font-size: 0.68rem;
  color: var(--text-dim);
  font-family: monospace;
  font-weight: 400;
}

.client-status-tag {
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.client-status-tag.active {
  background: var(--green-dim);
  color: var(--green);
}
.client-status-tag.inactive {
  background: var(--red-dim);
  color: var(--red);
}
.client-status-tag.expiring-tag {
  background: var(--orange-dim);
  color: var(--orange);
}
.client-status-tag.throttled {
  background: color-mix(in srgb, #f59e0b 18%, transparent);
  color: #b45309;
  border: 1px solid #f59e0b;
  animation: throttle-pulse 1.8s ease-in-out infinite;
}
@keyframes throttle-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
  50% { box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25); }
}

.client-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.meta-item {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.meta-item span {
  color: var(--text);
  font-weight: 500;
}

.client-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.client-details {
  margin-top: 0.25rem;
}

.client-details-toggle {
  display: none;
}

.client-details-toggle::-webkit-details-marker {
  display: none;
}

.client-details-when-open {
  display: none;
}

.client-details[open] .client-details-when-open {
  display: inline;
}

.client-details[open] .client-details-when-closed {
  display: none;
}

@media (min-width: 769px) {
  .client-details:not([open]) > .client-details-body {
    display: block;
  }
}

.client-limit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.client-limit-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.client-limit-pill.active,
.client-limit-pill.ok {
  color: var(--green);
  border-color: rgba(0, 214, 143, 0.3);
  background: rgba(0, 214, 143, 0.1);
}

.client-limit-pill.warning {
  color: var(--orange);
  border-color: rgba(255, 165, 2, 0.35);
  background: rgba(255, 165, 2, 0.1);
}

.client-limit-pill.danger {
  color: var(--red);
  border-color: rgba(255, 71, 87, 0.35);
  background: rgba(255, 71, 87, 0.1);
}

.client-limit-pill.neutral {
  color: var(--text-dim);
}

.client-actions .btn {
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
}

/* ==================== SUBSCRIPTION UI ==================== */
.days-chip {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.45rem;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  vertical-align: middle;
}
.days-chip.ok {
  background: var(--green-dim);
  color: var(--green);
}
.days-chip.soon {
  background: var(--orange-dim);
  color: var(--orange);
}
.days-chip.expired {
  background: var(--red-dim);
  color: var(--red);
}

.sub-type-toggle {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.sub-type-option {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.15s;
  user-select: none;
}

.sub-type-option:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.sub-type-option input[type="radio"] {
  display: none;
}

.ptag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
}

.ptag-pill {
  padding: 0.18rem 0.55rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-dim);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.ptag-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.ptag-pill.active[data-ptag="paid"] {
  background: var(--green-dim);
  color: var(--green);
  border-color: var(--green);
}
.ptag-pill.active[data-ptag="trial"] {
  background: color-mix(in srgb, #818cf8 18%, transparent);
  color: #818cf8;
  border-color: #818cf8;
}
.ptag-pill.active[data-ptag="unpaid"],
.ptag-pill.active[data-ptag="overdue"] {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red);
}
.ptag-pill.active[data-ptag="no_payment"] {
  background: var(--bg-card);
  color: var(--text-dim);
  border-color: var(--text-dim);
}

.editable-date {
  cursor: pointer;
  border-bottom: 1px dashed var(--text-dim);
  transition: color 0.15s;
}
.editable-date:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.inline-date-input {
  background: var(--bg-input);
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.8rem;
  padding: 0.1rem 0.3rem;
  outline: none;
}

.form-hint-block {
  padding-top: 0.15rem;
}

.form-inline-hint {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-dim);
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.03);
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-dim);
}

.empty-state p {
  color: var(--text-muted);
}

/* ==================== MODALS ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
  padding: 1rem;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
}

.modal-wide {
  max-width: 640px;
}

.modal-qr {
  max-width: 420px;
}

.modal-xl {
  max-width: 1200px;
  width: 95vw;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-input);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--red-dim);
  color: var(--red);
}

.modal form,
.modal .qr-content,
.modal .server-info,
.modal .history-content {
  padding: 1.5rem;
}

.modal-subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-grid .full-width {
  grid-column: 1 / -1;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* ==================== QR MODAL ==================== */
.qr-loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
}

.qr-image {
  display: block;
  margin: 0 auto 1rem;
  border-radius: var(--radius);
  max-width: 340px;
  background: #fff;
  padding: 8px;
}

.qr-hint {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.config-block {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.config-block pre {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
  margin-bottom: 0.5rem;
}

.config-block .btn {
  float: right;
}

/* ==================== SERVER OUTPUT ==================== */
.server-output {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--green);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
}

/* ==================== PAYMENT HISTORY ==================== */
.history-content {
  max-height: 400px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.history-item:last-child {
  border-bottom: none;
}

.history-amount {
  font-weight: 700;
  color: var(--green);
  font-size: 1rem;
}

.history-date {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.history-note {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.history-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
}

/* ==================== TOAST ==================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s;
  max-width: 360px;
}

.toast.success {
  background: var(--green);
  color: #000;
}
.toast.error {
  background: var(--red);
  color: #fff;
}
.toast.info {
  background: var(--accent);
  color: #fff;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ==================== ERROR TEXT ==================== */
.error-text {
  color: var(--red);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 0.75rem;
}

.hidden {
  display: none !important;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 1rem;
  }

  .toolbar {
    flex-direction: column;
    padding: 0 1rem 1rem;
  }

  .toolbar .btn {
    width: 100%;
  }

  .client-list {
    padding: 0 1rem 2rem;
  }

  .client-meta {
    gap: 0.75rem;
  }

  .client-actions {
    flex-wrap: wrap;
  }

  .client-actions .btn {
    flex: 1;
    min-width: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .header {
    padding: 0.75rem 1rem;
  }

  .header-left h1 {
    font-size: 1rem;
  }

  .stat-value {
    font-size: 1.4rem;
  }
}

/* ==================== CLIENT BREAKDOWN ==================== */
.breakdown-content {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}

.breakdown-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.breakdown-summary p {
  margin: 0.25rem 0;
}

.breakdown-summary .dim {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.server-section {
  margin-bottom: 2rem;
}

.server-header {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.server-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.server-stats {
  display: flex;
  gap: 2rem;
  font-size: 0.9rem;
}

.server-stat {
  text-align: center;
}

.server-stat-value {
  font-weight: 700;
  font-size: 1.1rem;
}

.server-stat-label {
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
}

.breakdown-table thead {
  background: var(--bg-input);
}

.breakdown-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.breakdown-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.breakdown-table tbody tr:last-child td {
  border-bottom: none;
}

.breakdown-table tbody tr:hover {
  background: var(--bg-input);
}

.breakdown-table .text-center {
  text-align: center;
}

.breakdown-table .text-right {
  text-align: right;
}

.client-name-cell {
  font-weight: 600;
}

.status-badge-breakdown {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge-breakdown.active {
  background: var(--green-dim);
  color: var(--green);
}

.status-badge-breakdown.inactive {
  background: var(--red-dim);
  color: var(--red);
}

.profit-positive {
  color: var(--green);
  font-weight: 700;
}

.profit-negative {
  color: var(--red);
  font-weight: 700;
}

.profit-zero {
  color: var(--text-dim);
}
/* ==================== NAVIGATION TABS ==================== */
.nav-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 var(--content-padding);
  margin-bottom: 2rem;
  position: relative;
}

.nav-tabs::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: var(--content-padding);
  right: var(--content-padding);
  height: 1px;
  background: var(--border-light);
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-bottom: none;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-tab::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-tab:hover {
  color: var(--text-bright);
  background: linear-gradient(145deg, var(--bg-glass), rgba(108, 92, 231, 0.1));
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.nav-tab.active {
  color: var(--text-bright);
  background: linear-gradient(145deg, var(--bg-glass), rgba(108, 92, 231, 0.15));
  border-color: var(--accent);
  box-shadow: var(--shadow-colored);
}

.nav-tab.active::before {
  transform: scaleX(1);
}

.tab-icon {
  font-size: 1.4rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.tab-label {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.6rem;
  background: var(--accent-gradient);
  color: var(--text-bright);
  font-size: 0.8rem;
  font-weight: 800;
  border-radius: 50px;
  box-shadow: 0 2px 8px var(--accent-glow);
  animation: pulse-count 2s ease-in-out infinite;
}

@keyframes pulse-count {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.nav-tab:hover .tab-count {
  background: var(--accent-gradient);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== WELCOME BANNER ==================== */
.welcome-banner {
  margin: var(--gap) var(--content-padding);
  background: linear-gradient(
    135deg,
    rgba(108, 92, 231, 0.15) 0%,
    rgba(0, 214, 143, 0.1) 50%,
    rgba(108, 92, 231, 0.15) 100%
  );
  border: 2px solid;
  border-image: var(--border-gradient) 1;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  animation: welcome-glow 3s ease-in-out infinite alternate;
}

@keyframes welcome-glow {
  0% { box-shadow: 0 0 40px var(--accent-glow); }
  100% { box-shadow: 0 0 60px var(--accent-glow), 0 0 100px rgba(0, 214, 143, 0.1); }
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(108, 92, 231, 0.1) 0%,
    transparent 70%
  );
  animation: welcome-rotate 20s linear infinite;
  z-index: 0;
}

@keyframes welcome-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.welcome-content {
  position: relative;
  padding: 2rem;
  z-index: 1;
}

.welcome-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-close:hover {
  background: var(--red);
  color: var(--text-bright);
  transform: scale(1.1);
  box-shadow: var(--shadow-red);
}

.welcome-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.welcome-icon {
  font-size: 4rem;
  filter: drop-shadow(0 4px 12px var(--accent-glow));
  animation: welcome-bounce 2s ease-in-out infinite;
}

@keyframes welcome-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.welcome-header h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-header p {
  color: var(--text-dim);
  font-size: 1.1rem;
  font-weight: 500;
}

.welcome-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.welcome-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.welcome-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--accent-gradient);
  color: var(--text-bright);
  font-size: 1.2rem;
  font-weight: 800;
  border-radius: 50%;
  box-shadow: 0 4px 16px var(--accent-glow);
  flex-shrink: 0;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.step-content strong {
  color: var(--text-bright);
  font-weight: 700;
  font-size: 1.1rem;
}

.step-content span {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.welcome-footer {
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
}

.welcome-features {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.feature {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 20px;
  transition: all var(--transition);
}

.feature:hover {
  transform: translateY(-2px);
  background: rgba(108, 92, 231, 0.1);
  border-color: var(--accent);
  color: var(--text-bright);
}

/* ==================== SERVERS SECTION ==================== */
.servers-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem 1.5rem;
}

.servers-header h2 {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.servers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.5rem;
  padding: 0 1.5rem 2rem;
}

.server-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.server-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  border-color: var(--accent);
}

.server-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  opacity: 0;
  transition: opacity var(--transition);
}

.server-card:hover::before {
  opacity: 1;
}

.server-card.offline {
  opacity: 0.6;
}

.server-card.overloaded::before {
  background: linear-gradient(90deg, var(--red), var(--orange));
  opacity: 1;
}

.server-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.server-title {
  flex: 1;
}

.server-title h3 {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.server-location {
  color: var(--text-dim);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.server-status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

.server-status-indicator.offline {
  background: var(--text-muted);
  box-shadow: none;
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.server-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.server-stat {
  background: var(--bg-input);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
}

.server-stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.server-stat-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.server-progress {
  margin-bottom: 1.25rem;
}

.server-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.server-progress-bar {
  height: 8px;
  background: var(--bg-input);
  border-radius: 10px;
  overflow: hidden;
}

.server-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  transition: width 0.3s ease;
  position: relative;
}

.server-progress-fill.warning {
  background: linear-gradient(90deg, var(--orange), var(--yellow));
}

.server-progress-fill.danger {
  background: linear-gradient(90deg, var(--red), var(--orange));
}

.server-speed-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.8rem;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(120, 110, 240, 0.1));
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.server-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.server-actions .btn {
  flex: 1;
  min-width: 120px;
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
}

.server-clients-preview {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.server-clients-preview h4 {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.server-clients-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 150px;
  overflow-y: auto;
}

.server-client-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.server-client-name {
  font-weight: 600;
}

.server-client-status {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.server-client-status.active {
  color: var(--green);
}

/* ==================== SPEED PRESET SELECTOR ==================== */
.speed-preset-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 1rem 0;
}

.speed-preset {
  padding: 1rem;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.speed-preset:hover {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.05);
}

.speed-preset.active {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.1);
}

.speed-preset-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.speed-preset-label {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.speed-preset-value {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Additional server UI styles */
.clients-preview-header {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.clients-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.client-preview-item {
  font-size: 11px;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.client-preview-item.text-green {
  color: var(--success);
  border-color: rgba(46, 213, 115, 0.3);
}

.client-preview-item.text-gray {
  color: var(--text-muted);
}

.no-data {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 16px;
  grid-column: 1 / -1;
}

.speed-badge {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: 4px;
  font-size: 12px;
  color: #a78bfa;
}

.analytics-live-wrap {
  padding: 0 1.5rem 2rem;
}

.analytics-live-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.analytics-live-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.live-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.live-grid.compact {
  align-items: start;
}

.live-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  position: relative;
}

.live-card h3 {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.live-card canvas {
  display: block;
  width: 100%;
}

.traffic-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.traffic-legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 12px;
}

.traffic-legend-chip.is-off {
  opacity: 0.45;
}

.traffic-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-chip {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.82rem;
}

.guard-form {
  display: grid;
  gap: 0.6rem;
}

.guard-form label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.guard-form input[type="number"] {
  max-width: 110px;
}

.guard-events-list {
  display: grid;
  gap: 0.5rem;
  max-height: 200px;
  overflow: auto;
}

.guard-event-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem;
  background: rgba(255, 255, 255, 0.01);
  font-size: 0.82rem;
}

.guard-event-meta {
  color: var(--text-muted);
  margin-top: 0.25rem;
}

@media (max-width: 980px) {
  .live-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Per-client traffic chart panel ---- */
.btn-graph.graph-active {
  background: rgba(0, 214, 143, 0.18);
  color: #00d68f;
}

.client-traffic-panel {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 214, 143, 0.05);
  border: 1px solid rgba(0, 214, 143, 0.2);
  border-radius: 10px;
  animation: fadeIn 0.18s ease;
  position: relative;
}

.ctp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.ctp-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.ctp-loading {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

.ctp-canvas {
  display: block;
  width: 100%;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
}

.ctp-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.ctp-legend b {
  color: #00d68f;
}

.ctp-time {
  margin-left: auto;
  opacity: 0.7;
}

.ctp-error {
  font-size: 0.82rem;
  color: var(--red);
  padding: 0.4rem 0;
}

.chart-host {
  position: relative;
}

.chart-tooltip {
  position: absolute;
  z-index: 5;
  min-width: 170px;
  max-width: 220px;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 12, 20, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.chart-tooltip.hidden {
  display: none;
}

.chart-tooltip-title {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}

.chart-tooltip-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--text);
}

.chart-tooltip-row + .chart-tooltip-row {
  margin-top: 0.3rem;
}

.chart-tooltip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

/* ==================== MOBILE ADMIN POLISH ==================== */
@media (max-width: 768px) {
  :root {
    --content-padding: 0.9rem;
    --gap: 0.9rem;
  }

  body {
    background-attachment: scroll;
  }

  .header {
    height: auto;
    min-height: 64px;
    padding: 0.85rem 0.9rem;
    gap: 0.6rem;
    align-items: flex-start;
  }

  .header-left {
    flex: 1;
    min-width: 0;
    flex-wrap: wrap;
    gap: 0.55rem;
  }

  .logo-icon {
    font-size: 1.45rem;
  }

  .header-left h1 {
    font-size: 1rem;
    line-height: 1.1;
  }

  .status-badge {
    font-size: 0.68rem;
    padding: 0.2rem 0.5rem;
  }

  .header-right {
    flex-shrink: 0;
    gap: 0.35rem;
  }

  .header-right .btn {
    width: 2.2rem;
    height: 2.2rem;
    padding: 0;
    border-radius: 10px;
    font-size: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
    padding: 0.9rem;
    margin-top: 0.55rem;
  }

  .stat-card {
    padding: 0.95rem 0.75rem;
    border-radius: 14px;
  }

  .stat-label {
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    gap: 0.35rem;
    line-height: 1.2;
  }

  .stat-label::before {
    font-size: 1rem;
  }

  .stat-value {
    margin-top: 0.45rem;
    margin-bottom: 0;
    font-size: 1.25rem;
  }

  .financial-details {
    padding: 0 0.9rem 0.9rem;
    gap: 0.75rem;
    margin-top: 0.4rem;
  }

  .finance-card {
    padding: 1rem;
    border-radius: 14px;
  }

  .finance-card h3 {
    font-size: 1rem;
    margin-bottom: 0.85rem;
  }

  .finance-row {
    padding: 0.68rem 0;
    gap: 0.75rem;
  }

  .finance-row:hover {
    margin: 0;
    padding: 0.68rem 0;
    background: transparent;
    border-radius: 0;
  }

  .finance-row strong {
    font-size: 0.95rem;
    text-align: right;
  }

  .finance-row.total {
    margin: 0.7rem -1rem 0;
    padding: 1rem;
    border-radius: 12px;
  }

  .finance-note {
    margin-top: 0.75rem;
    padding: 0.75rem;
    font-size: 0.82rem;
  }

  .finance-history-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .finance-history-stat,
  .finance-history-value {
    padding: 0.7rem;
  }

  .nav-tabs {
    margin: 0 0.9rem 0.85rem;
    padding: 0.35rem;
    gap: 0.4rem;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(20, 20, 30, 0.82);
    backdrop-filter: blur(14px);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-tabs::-webkit-scrollbar {
    display: none;
  }

  .nav-tab {
    min-width: 118px;
    flex: 1 0 auto;
    padding: 0.62rem 0.68rem;
    border-radius: 12px;
    gap: 0.4rem;
    justify-content: center;
  }

  .tab-icon {
    font-size: 1.05rem;
  }

  .tab-label {
    font-size: 0.8rem;
  }

  .tab-count {
    min-width: 1.5rem;
    height: 1.5rem;
    font-size: 0.72rem;
  }

  .toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    align-items: stretch;
    padding: 0 0.9rem 0.9rem;
  }

  .toolbar .search-box,
  .toolbar .server-filter,
  #btn-add-client {
    grid-column: 1 / -1;
  }

  .search-box input {
    min-height: 44px;
  }

  .server-filter {
    width: 100%;
    min-width: 0;
    min-height: 44px;
  }

  .toolbar .btn {
    width: 100%;
    min-height: 40px;
    padding: 0.58rem 0.5rem;
    font-size: 0.78rem;
    line-height: 1.2;
    border-radius: 12px;
    white-space: normal;
  }

  .client-list {
    padding: 0 0.9rem 1.2rem;
    gap: 0.62rem;
  }

  .client-card {
    padding: 0.9rem;
    border-radius: 14px;
  }

  .client-top {
    align-items: flex-start;
    gap: 0.6rem;
  }

  .client-details {
    margin-top: 0.5rem;
  }

  .client-details-toggle {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    width: 100%;
    margin-bottom: 0.55rem;
    padding: 0.5rem 0.65rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-dim);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    list-style: none;
    user-select: none;
  }

  .client-details-toggle:hover {
    border-color: var(--border-focus);
    color: var(--text);
  }

  .client-details-toggle-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
  }

  .client-details[open] .client-details-toggle-chevron {
    transform: rotate(180deg);
  }

  .client-details-body {
    padding-top: 0.05rem;
  }

  .client-info {
    min-width: 0;
  }

  .client-name {
    font-size: 0.95rem;
  }

  .client-telegram,
  .client-email {
    word-break: break-word;
  }

  .client-notify-pill,
  .client-server-badge,
  .client-conf-badge {
    max-width: 100%;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .client-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.35rem;
    margin-bottom: 0.6rem;
  }

  .client-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .client-actions .btn {
    width: 100%;
    min-height: 38px;
    padding: 0.5rem 0.45rem;
    font-size: 0.74rem;
  }

  .servers-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.7rem;
    padding: 0 0.9rem 0.9rem;
  }

  .servers-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0 0.9rem 1rem;
  }

  .server-card {
    padding: 1rem;
    border-radius: 14px;
  }

  .server-stats {
    gap: 0.7rem;
  }

  .server-actions .btn {
    min-width: 0;
    flex: 1 1 calc(50% - 0.3rem);
  }

  .analytics-live-wrap {
    padding: 0 0.9rem 1.1rem;
  }

  .analytics-live-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .analytics-live-actions {
    width: 100%;
    justify-content: space-between;
  }

  .live-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .live-card {
    padding: 0.9rem;
    border-radius: 14px;
  }

  .guard-form label {
    flex-direction: column;
    align-items: flex-start;
  }

  .guard-form input[type="number"] {
    width: 100%;
    max-width: none;
  }

  .modal-overlay {
    padding: 0.7rem;
    align-items: flex-end;
  }

  .modal,
  .modal-wide,
  .modal-xl {
    width: 100%;
    max-width: 100%;
    max-height: calc(100vh - 1rem);
    border-radius: 16px;
  }

  .modal-header {
    padding: 0.95rem 1rem;
  }

  .modal form,
  .modal .qr-content,
  .modal .server-info,
  .modal .history-content {
    padding: 1rem;
  }

  .modal-actions {
    flex-direction: column-reverse;
    gap: 0.55rem;
  }

  .modal-actions .btn {
    width: 100%;
  }

  .toast-container {
    right: 0.7rem;
    left: 0.7rem;
    bottom: 0.9rem;
  }

  .toast {
    max-width: 100%;
  }
}