/* ========================================================================
   MODEPH — Apple Design System v3 — Premium UI/UX
   ======================================================================== */

/* ========== 1. CSS Custom Properties / Design Tokens ========== */
:root {
  /* Backgrounds */
  --bg: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #fafafa;
  --bg-elevated: #ffffff;

  /* Text */
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #aeaeb2;

  /* Accent */
  --accent: #006bb6;
  --accent-hover: #005a9e;
  --accent-light: rgba(0,107,182,0.08);
  --accent-gradient: linear-gradient(135deg, #006bb6 0%, #004785 100%);
  --accent-red: #dc2626;
  --accent-red-light: rgba(220,38,38,0.08);

  /* Semantic colors */
  --success: #30d158;
  --success-bg: rgba(48,209,88,0.1);
  --warning: #ff9f0a;
  --warning-bg: rgba(255,159,10,0.1);
  --danger: #ff453a;
  --danger-bg: rgba(255,69,58,0.1);
  --purple: #bf5af2;
  --purple-bg: rgba(191,90,242,0.1);

  /* Borders */
  --border: #d2d2d7;
  --border-light: #e8e8ed;

  /* Enhanced layered shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04), 0 0 1px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 20px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
  --shadow-accent: 0 6px 24px rgba(0,107,182,0.25);
  --shadow-success: 0 6px 24px rgba(48,209,88,0.25);
  --shadow-danger: 0 6px 24px rgba(255,69,58,0.25);

  /* Glassmorphism v2 */
  --glass-bg: rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.6);
  --glass-blur: 24px;
  --glass-noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");

  /* Radii */
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Typography */
  --font: "PP Neue Montreal", -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Easings */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: all 0.3s var(--ease);

  /* Layout */
  --sidebar-w: 260px;

  /* Toast */
  --toast-duration: 3s;
}

/* ========== 2. Dark Mode — OLED Quality ========== */
[data-theme="dark"] {
  --bg: #000000;
  --bg-secondary: #1c1c1e;
  --bg-tertiary: #2c2c2e;
  --bg-elevated: #2c2c2e;
  --text: #f5f5f7;
  --text-secondary: #98989d;
  --text-tertiary: #48484a;
  --border: #38383a;
  --border-light: #2c2c2e;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.3), 0 0 1px rgba(0,0,0,0.2);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4), 0 1px 3px rgba(0,0,0,0.3);
  --shadow: 0 4px 20px rgba(0,0,0,0.5), 0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6), 0 4px 12px rgba(0,0,0,0.4);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.7), 0 8px 20px rgba(0,0,0,0.5);
  --shadow-accent: 0 6px 30px rgba(10,132,255,0.35);
  --shadow-success: 0 6px 30px rgba(48,209,88,0.3);
  --shadow-danger: 0 6px 30px rgba(255,69,58,0.3);

  --glass-bg: rgba(28,28,30,0.82);
  --glass-border: rgba(56,56,58,0.6);

  --accent-light: rgba(0,107,182,0.18);
  --success-bg: rgba(48,209,88,0.15);
  --warning-bg: rgba(255,159,10,0.15);
  --danger-bg: rgba(255,69,58,0.15);
  --purple-bg: rgba(191,90,242,0.15);
  --accent-gradient: linear-gradient(135deg, #0088dd 0%, #006bb6 100%);
}

/* ========== 3. Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

/* ========== 4. Typography Improvements ========== */
h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.025em;
  line-height: 1.2;
  font-weight: 700;
}
h1 { font-weight: 800; letter-spacing: -0.035em; }
h2 { font-weight: 700; letter-spacing: -0.03em; }
h3 { font-weight: 700; }

p { line-height: 1.6; }
small { font-size: 0.85em; }

/* ========== 5. Custom Scrollbar — Thin, Auto-hide ========== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: 10px;
  transition: background 0.2s ease;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* Firefox thin scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--text-tertiary) transparent;
}

/* Auto-hide behavior on webkit */
.table-scroll::-webkit-scrollbar-thumb,
.modal::-webkit-scrollbar-thumb,
.sidebar-nav::-webkit-scrollbar-thumb {
  background: transparent;
}
.table-scroll:hover::-webkit-scrollbar-thumb,
.modal:hover::-webkit-scrollbar-thumb,
.sidebar-nav:hover::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
}

/* ========== 6. Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========== 7. Login Page ========== */
.login-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: orbFloat 12s ease-in-out infinite;
}
.login-bg-orb:nth-child(1) {
  width: 500px; height: 500px;
  background: var(--accent);
  top: -20%; right: -10%;
  opacity: 0.12;
}
.login-bg-orb:nth-child(2) {
  width: 350px; height: 350px;
  background: var(--success);
  bottom: -15%; left: -5%;
  opacity: 0.08;
  animation-delay: -4s;
}
.login-bg-orb:nth-child(3) {
  width: 250px; height: 250px;
  background: var(--purple);
  top: 40%; left: 50%;
  opacity: 0.06;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -30px) scale(1.05); }
  66% { transform: translate(-15px, 20px) scale(0.95); }
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 44px 36px;
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
  animation: cardEntry 0.7s var(--spring);
}

@keyframes cardEntry {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo {
  width: 60px; height: 60px;
  margin: 0 auto 20px;
  background: var(--accent-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(0,113,227,0.25);
  transition: transform 0.4s var(--spring);
}
.login-logo:hover { transform: scale(1.05) rotate(-3deg); }
.login-logo svg { width: 30px; height: 30px; fill: white; }

.login-card h1 {
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

/* Login Tabs with Sliding Indicator */
.login-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 24px;
  position: relative;
}

.login-tab {
  flex: 1;
  padding: 10px 8px;
  border: none;
  background: none;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.25s var(--ease);
  position: relative;
  z-index: 1;
}
.login-tab:hover { color: var(--text); }
.login-tab.active {
  background: var(--bg-secondary);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.login-error {
  display: none;
  background: var(--danger-bg);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  animation: shake 0.4s ease;
  border-left: 3px solid var(--danger);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(2px); }
}

.login-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

/* ========== 8. Form Controls — Enhanced Validation ========== */
.form-group { margin-bottom: 16px; position: relative; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  transition: color 0.2s ease;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg-tertiary);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  outline: none;
}
.form-control:hover { border-color: var(--text-tertiary); }
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-light);
  background: var(--bg-secondary);
}
.form-control::placeholder { color: var(--text-tertiary); }

/* Validation states */
.form-control.is-invalid,
.form-control:user-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px var(--danger-bg), 0 0 16px rgba(255,69,58,0.12);
  animation: inputShake 0.4s ease;
}
.form-control.is-valid,
.form-control:user-valid:not(:placeholder-shown) {
  border-color: var(--success);
  box-shadow: 0 0 0 4px var(--success-bg);
}

/* Valid checkmark indicator */
.form-group.validated .form-control.is-valid ~ .validation-icon,
.form-group.validated .form-control:user-valid:not(:placeholder-shown) ~ .validation-icon {
  opacity: 1;
  transform: scale(1);
}
.validation-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  width: 18px;
  height: 18px;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.3s var(--spring);
  pointer-events: none;
}

@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(1px); }
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
textarea.form-control { resize: vertical; min-height: 80px; }

/* ========== 9. Buttons — With Ripple & Loading State ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 12px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  outline: none;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.95); }
.btn:focus-visible { box-shadow: 0 0 0 3px var(--accent-light); }

/* Ripple effect */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: rippleEffect 0.6s ease-out;
  pointer-events: none;
}
@keyframes rippleEffect {
  to { transform: scale(4); opacity: 0; }
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.btn-success { background: var(--success); color: white; }
.btn-success:hover {
  box-shadow: var(--shadow-success);
  transform: translateY(-1px);
}

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover {
  box-shadow: var(--shadow-danger);
  transform: translateY(-1px);
}

.btn-secondary { background: var(--bg); color: var(--text); border: 1.5px solid var(--border); }
.btn-secondary:hover { background: var(--bg-tertiary); border-color: var(--text-tertiary); }

.btn-outline { background: none; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-outline:hover { background: var(--accent-light); }

.btn-ghost { background: none; color: var(--text-secondary); padding: 8px 12px; }
.btn-ghost:hover { background: var(--accent-light); color: var(--accent); }

.btn-whatsapp { background: #25D366; color: white; }
.btn-whatsapp:hover { background: #20BD5A; box-shadow: 0 6px 20px rgba(37,211,102,0.3); }

.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: 10px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 14px; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 10px; border-radius: 12px; }

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Loading button state */
.btn.loading {
  pointer-events: none;
  color: transparent !important;
}
.btn.loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: btnSpin 0.65s linear infinite;
}
.btn-secondary.loading::after,
.btn-outline.loading::after,
.btn-ghost.loading::after {
  border-color: rgba(0,0,0,0.1);
  border-top-color: var(--accent);
}

@keyframes btnSpin {
  to { transform: rotate(360deg); }
}

/* ========== 10. Cards — Enhanced Hover Effects ========== */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease), border-color 0.35s var(--ease);
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--border);
}

/* Gradient border on hover */
.card.card-hover-glow {
  background: var(--bg-secondary);
}
.card.card-hover-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: background 0.4s ease;
}
.card.card-hover-glow:hover::before {
  background: linear-gradient(135deg, var(--accent), var(--purple), var(--success));
}

/* Glassmorphism v2 with noise texture */
.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
}
.card-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: var(--glass-noise);
  background-repeat: repeat;
  pointer-events: none;
  opacity: 0.4;
}

.card-body { padding: 24px; }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--border-light); }

/* ========== 11. Stat Cards ========== */
.stat-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border-light);
  transition: all 0.35s var(--spring);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
}
.stat-card.accent::after { background: var(--accent); }
.stat-card.success::after { background: var(--success); }
.stat-card.warning::after { background: var(--warning); }
.stat-card.danger::after { background: var(--danger); }
.stat-card.purple::after { background: var(--purple); }

.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.stat-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: transform 0.35s var(--spring);
}
.stat-card:hover .stat-icon { transform: scale(1.08); }
.stat-icon svg { width: 20px; height: 20px; }
.stat-icon.accent { background: var(--accent-light); color: var(--accent); }
.stat-icon.success { background: var(--success-bg); color: var(--success); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.danger { background: var(--danger-bg); color: var(--danger); }
.stat-icon.purple { background: var(--purple-bg); color: var(--purple); }

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

/* Number counter animation */
.stat-value[data-count] {
  animation: countFadeIn 0.6s var(--ease-out-expo) both;
}
@keyframes countFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 12. Table — Zebra Striping & Row Selection ========== */
.table-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  width: 100%;
}

.table-toolbar {
  display: flex;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 180px;
  padding: 10px 14px 10px 38px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg-tertiary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 12px center;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.search-input:hover { border-color: var(--text-tertiary); }
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-light); }

.filter-select {
  padding: 10px 34px 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg-tertiary);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  outline: none;
  transition: var(--transition);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

/* Scroll shadow hint */
.table-scroll::after {
  content: '';
  position: sticky;
  right: 0; top: 0; bottom: 0;
  width: 20px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.03));
}

table { width: 100%; border-collapse: collapse; min-width: 600px; }

thead {
  background: var(--bg-tertiary);
  position: sticky;
  top: 0;
  z-index: 5;
}

th {
  padding: 11px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}

tbody tr {
  cursor: pointer;
  transition: background 0.15s ease;
}
tbody tr:hover { background: var(--accent-light); }
tbody tr:active { background: rgba(0,113,227,0.12); }
tbody tr:not(:last-child) { border-bottom: 1px solid var(--border-light); }

/* Zebra striping */
tbody tr:nth-child(even) { background: var(--bg-tertiary); }
tbody tr:nth-child(even):hover { background: var(--accent-light); }

/* Row selection highlight */
tbody tr.selected {
  background: var(--accent-light) !important;
  box-shadow: inset 3px 0 0 var(--accent);
}

td { padding: 13px 16px; font-size: 14px; }

.table-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 8px;
}

/* ========== 13. Pagination — Enhanced Active State ========== */
.pagination { display: flex; gap: 4px; }
.page-btn {
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg-secondary);
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.page-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.page-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  transform: scale(1.08);
  font-weight: 700;
}
.page-btn:disabled { opacity: 0.3; cursor: default; pointer-events: none; }

/* ========== 14. Badges — Pill with Subtle Gradient ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  background-image: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.15) 100%);
  letter-spacing: 0.01em;
}
.badge-pagada, .badge-termine, .badge-actif { background-color: var(--success-bg); color: var(--success); }
.badge-vigente { background-color: var(--accent-light); color: var(--accent); }
.badge-vencida, .badge-defaut { background-color: var(--danger-bg); color: var(--danger); }
.badge-echu { background-color: var(--warning-bg); color: #e67e00; border: 1px solid rgba(230,126,0,0.2); }
.badge-superadmin { background-color: var(--accent-light); color: var(--accent); }
.badge-staff { background-color: var(--warning-bg); color: var(--warning); }
.badge-info { background-color: var(--accent-light); color: var(--accent); }
.badge-warning { background-color: var(--warning-bg); color: var(--warning); }

[data-theme="dark"] .badge {
  background-image: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 100%);
}

/* ========== 15. Modal — Smoother Entry with Blur Transition ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), backdrop-filter 0.4s var(--ease), -webkit-backdrop-filter 0.4s var(--ease);
  padding: 0;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@media (min-width: 641px) {
  .modal-overlay { align-items: center; padding: 20px; }
}

.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 720px;
  max-height: 92vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateY(100%);
  transition: transform 0.45s var(--spring), opacity 0.3s ease;
}

.modal-overlay.active .modal { transform: translateY(0); }

@media (min-width: 641px) {
  .modal {
    border-radius: var(--radius-xl);
    max-height: 85vh;
    transform: translateY(30px) scale(0.96);
    opacity: 0;
  }
  .modal-overlay.active .modal {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-handle {
  width: 36px; height: 4px;
  background: var(--text-tertiary);
  border-radius: 2px;
  margin: 10px auto 0;
}
@media (min-width: 641px) { .modal-handle { display: none; } }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 0;
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 5;
}
.modal-header h2 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }

.modal-close {
  width: 34px; height: 34px;
  border: none;
  background: var(--bg);
  border-radius: 50%;
  font-size: 18px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s var(--ease);
  flex-shrink: 0;
}
.modal-close:hover { background: var(--danger-bg); color: var(--danger); transform: rotate(90deg); }

.modal-body { padding: 20px 24px; }

.modal-section { margin-bottom: 24px; }
.modal-section h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}
.info-label {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.info-value { font-size: 15px; font-weight: 500; margin-top: 3px; word-break: break-word; }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border-light);
  position: sticky;
  bottom: 0;
  background: var(--bg-secondary);
  flex-wrap: wrap;
}

/* ========== 16. Confirm Dialog — Custom Modal ========== */
.confirm-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease);
}
.confirm-dialog-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.confirm-dialog {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 28px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.35s var(--spring), opacity 0.25s ease;
  opacity: 0;
}
.confirm-dialog-overlay.active .confirm-dialog {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.confirm-dialog-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
}
.confirm-dialog-icon.warning { background: var(--warning-bg); color: var(--warning); }
.confirm-dialog-icon.danger { background: var(--danger-bg); color: var(--danger); }
.confirm-dialog-icon.info { background: var(--accent-light); color: var(--accent); }
.confirm-dialog-icon.success { background: var(--success-bg); color: var(--success); }

.confirm-dialog h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.confirm-dialog p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}
.confirm-dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.confirm-dialog-actions .btn {
  min-width: 100px;
}

/* ========== 17. Toast — Enhanced with Icons & Auto-dismiss Bar ========== */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-120px);
  padding: 14px 24px 14px 20px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transition: all 0.5s var(--spring);
  box-shadow: var(--shadow-lg);
  max-width: 90vw;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}
.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast.success { background: var(--success); color: white; }
.toast.error { background: var(--danger); color: white; }
.toast.warning { background: var(--warning); color: white; }
.toast.info { background: var(--accent); color: white; }

/* Toast icon */
.toast-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.toast-icon svg { width: 18px; height: 18px; fill: currentColor; }

/* Toast message */
.toast-message { flex: 1; }

/* Auto-dismiss progress bar */
.toast::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: rgba(255,255,255,0.4);
  border-radius: 0 3px 0 3px;
  animation: toastDismiss var(--toast-duration) linear forwards;
  animation-play-state: paused;
}
.toast.visible::after {
  animation-play-state: running;
}

@keyframes toastDismiss {
  from { width: 100%; }
  to { width: 0%; }
}

/* Legacy positioning support: bottom toast */
.toast.toast-bottom {
  top: auto;
  bottom: 24px;
  transform: translateX(-50%) translateY(120px);
}
.toast.toast-bottom.visible {
  transform: translateX(-50%) translateY(0);
}

/* ========== 18. Sidebar ========== */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.35s var(--ease);
}

.sidebar-header {
  padding: 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
  width: 40px; height: 40px;
  background: var(--accent-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,113,227,0.2);
}
.sidebar-logo svg { width: 22px; height: 22px; fill: white; }

.sidebar-brand { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.sidebar-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 1px; }

.sidebar-nav { flex: 1; padding: 10px 8px; overflow-y: auto; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  border-radius: 12px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-align: left;
  margin-bottom: 2px;
  position: relative;
}
.nav-item:hover { background: var(--accent-light); color: var(--accent); }
.nav-item:active { transform: scale(0.97); }
.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

/* Sliding tab indicator for nav */
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
  animation: tabSlideIn 0.3s var(--spring);
}
@keyframes tabSlideIn {
  from { height: 0; opacity: 0; }
  to { height: 20px; opacity: 1; }
}

.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }

.nav-divider {
  height: 1px;
  background: var(--border-light);
  margin: 8px 14px;
}

.sidebar-footer { padding: 8px 8px 12px; border-top: 1px solid var(--border-light); }

.sidebar-badge {
  margin: 0 8px 8px;
  padding: 4px 12px;
  display: inline-block;
  font-size: 11px;
}

/* ========== 19. Main Content ========== */
.main-content {
  margin-left: var(--sidebar-w);
  width: calc(100% - var(--sidebar-w));
  min-width: 0;
  min-height: 100dvh;
  transition: margin-left 0.35s ease, width 0.35s ease;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}
.topbar h1 { font-size: 22px; font-weight: 800; letter-spacing: -0.03em; }
.topbar-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.content-area { padding: 0 28px 24px; width: 100%; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 0;
  width: 100%;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

/* ========== 20. Theme Toggle — Sun/Moon Morphing ========== */
.theme-toggle {
  width: 38px; height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }

/* Sun/moon morph animation */
.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
  position: absolute;
  transition: transform 0.5s var(--spring), opacity 0.3s ease;
}
.theme-toggle .sun-icon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}
.theme-toggle .moon-icon {
  opacity: 0;
  transform: scale(0.5) rotate(-90deg);
}
[data-theme="dark"] .theme-toggle .sun-icon {
  opacity: 0;
  transform: scale(0.5) rotate(90deg);
}
[data-theme="dark"] .theme-toggle .moon-icon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* ========== 21. Language Bar ========== */
.lang-bar {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg);
  border-radius: 12px;
  border: 1px solid var(--border-light);
}
.lang-btn {
  padding: 6px 10px;
  border: none;
  background: none;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--bg-secondary); color: var(--accent); box-shadow: var(--shadow-xs); }

/* ========== 22. Skeleton Loader ========== */
.skeleton {
  background: linear-gradient(90deg, var(--border-light) 25%, var(--bg-tertiary) 50%, var(--border-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--radius);
}
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.skeleton-text { height: 14px; margin-bottom: 10px; width: 80%; }
.skeleton-title { height: 28px; width: 50%; margin-bottom: 16px; }
.skeleton-card { height: 130px; border-radius: var(--radius-lg); }
.skeleton-row { height: 52px; margin-bottom: 2px; border-radius: 10px; }
.skeleton-circle { width: 42px; height: 42px; border-radius: 12px; }

/* ========== 23. Chart — Bar Grow Animation ========== */
.chart-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 24px;
}
.chart-title { font-size: 15px; font-weight: 700; margin-bottom: 20px; }

.bar-chart { display: flex; align-items: flex-end; gap: 8px; height: 200px; }
.bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.bar {
  width: 100%; max-width: 48px;
  background: var(--accent-gradient);
  border-radius: 8px 8px 0 0;
  min-height: 4px;
  transition: height 1s var(--spring);
  transform-origin: bottom;
  animation: barGrow 0.8s var(--ease-out-expo) both;
  position: relative;
}
.bar::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 60%);
}

/* Bar grow from bottom */
@keyframes barGrow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}
.bar-item:nth-child(1) .bar { animation-delay: 0.05s; }
.bar-item:nth-child(2) .bar { animation-delay: 0.10s; }
.bar-item:nth-child(3) .bar { animation-delay: 0.15s; }
.bar-item:nth-child(4) .bar { animation-delay: 0.20s; }
.bar-item:nth-child(5) .bar { animation-delay: 0.25s; }
.bar-item:nth-child(6) .bar { animation-delay: 0.30s; }
.bar-item:nth-child(7) .bar { animation-delay: 0.35s; }
.bar-item:nth-child(8) .bar { animation-delay: 0.40s; }
.bar-item:nth-child(9) .bar { animation-delay: 0.45s; }
.bar-item:nth-child(10) .bar { animation-delay: 0.50s; }
.bar-item:nth-child(11) .bar { animation-delay: 0.55s; }
.bar-item:nth-child(12) .bar { animation-delay: 0.60s; }

.bar-label { font-size: 11px; color: var(--text-secondary); font-weight: 600; }
.bar-value { font-size: 10px; font-weight: 700; color: var(--text); }

/* ========== 24. Credit Card v2 — Holographic & Chip ========== */
.credit-card {
  background: var(--accent-gradient);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  color: white;
  position: relative;
  overflow: hidden;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 16px 50px rgba(0,113,227,0.3);
  transition: transform 0.4s var(--spring);
}
.credit-card:hover { transform: translateY(-4px) scale(1.01); }

/* Holographic gradient overlay */
.credit-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.08) 0%, transparent 50%),
    linear-gradient(
      135deg,
      rgba(255,255,255,0) 0%,
      rgba(255,255,255,0.06) 20%,
      rgba(255,255,255,0.12) 40%,
      rgba(255,255,255,0) 50%,
      rgba(255,255,255,0.06) 65%,
      rgba(255,255,255,0.1) 80%,
      rgba(255,255,255,0) 100%
    );
  pointer-events: none;
  z-index: 1;
}

/* Decorative circles */
.credit-card::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  bottom: -80px; left: -40px;
  pointer-events: none;
}

/* Card chip */
.cc-chip {
  width: 40px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, #e8c547 0%, #d4a843 30%, #f0d56a 50%, #d4a843 70%, #c49b3a 100%);
  position: relative;
  z-index: 2;
  margin-bottom: 12px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.cc-chip::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 4px;
}
.cc-chip::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 1px;
  background: rgba(0,0,0,0.1);
}

/* Card stripe (contactless) */
.cc-contactless {
  position: absolute;
  top: 28px;
  right: 24px;
  z-index: 2;
  opacity: 0.6;
}
.cc-contactless::before,
.cc-contactless::after,
.cc-contactless span {
  display: block;
  width: 12px;
  height: 12px;
  border: 2px solid white;
  border-radius: 50%;
  border-left-color: transparent;
  border-bottom-color: transparent;
  transform: rotate(-45deg);
}
.cc-contactless::before {
  content: '';
  width: 8px; height: 8px;
  margin-left: 2px;
  margin-top: 2px;
}
.cc-contactless::after {
  content: '';
  width: 16px; height: 16px;
  margin-left: -2px;
  margin-top: -6px;
}

.cc-label { font-size: 11px; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; position: relative; z-index: 2; }
.cc-number { font-size: 18px; font-weight: 700; letter-spacing: 0.03em; margin-top: 4px; position: relative; z-index: 2; font-family: var(--font-mono); }
.cc-amount { font-size: 30px; font-weight: 700; position: relative; z-index: 2; margin: 8px 0; }
.cc-row { display: flex; justify-content: space-between; position: relative; z-index: 2; flex-wrap: wrap; gap: 8px; }

/* ========== 25. Payment Method Cards ========== */
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.method-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s var(--spring);
}
.method-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--text-tertiary); }
.method-card.selected { border-color: var(--accent); background: var(--accent-light); }
.method-icon { font-size: 24px; margin-bottom: 6px; transition: transform 0.4s var(--spring); }
.method-card.selected .method-icon { transform: scale(1.15); }
.method-name { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.method-card.selected .method-name { color: var(--accent); }

/* ========== 26. Progress Bar — Striped Animated Fill ========== */
.progress-bar {
  height: 6px;
  background: var(--border-light);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  transition: width 1s var(--spring);
  position: relative;
  overflow: hidden;
}

/* Animated stripes */
.progress-fill::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(255,255,255,0.15) 6px,
    rgba(255,255,255,0.15) 12px
  );
  animation: progressStripe 0.8s linear infinite;
}

/* Glow effect */
.progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: -2px;
  bottom: -2px;
  width: 20px;
  background: rgba(255,255,255,0.5);
  filter: blur(4px);
  border-radius: 50%;
}

@keyframes progressStripe {
  from { transform: translateX(0); }
  to { transform: translateX(12px); }
}

/* ========== 27. Empty State — Improved ========== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.25;
  animation: emptyFloat 3s ease-in-out infinite;
}
.empty-state h3 { font-size: 16px; margin-bottom: 6px; color: var(--text); }
.empty-state p { font-size: 14px; max-width: 360px; margin: 0 auto; }

@keyframes emptyFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ========== 28. Status Indicator — Pulsing Dot ========== */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.status-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  opacity: 0;
  animation: statusPulse 2s ease-in-out infinite;
}
.status-dot.active { background: var(--success); }
.status-dot.active::before { background: var(--success); }
.status-dot.inactive { background: var(--text-tertiary); }
.status-dot.inactive::before { display: none; }
.status-dot.warning { background: var(--warning); }
.status-dot.warning::before { background: var(--warning); }
.status-dot.danger { background: var(--danger); }
.status-dot.danger::before { background: var(--danger); }

@keyframes statusPulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}

/* ========== 29. Floating Action Button ========== */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent), var(--shadow-lg);
  z-index: 90;
  transition: all 0.3s var(--spring);
}
.fab:hover { transform: scale(1.08); box-shadow: 0 8px 30px rgba(0,113,227,0.4), var(--shadow-xl); }
.fab:active { transform: scale(0.95); }
.fab svg { width: 24px; height: 24px; fill: white; }

/* Show FAB only on mobile */
@media (max-width: 768px) {
  .fab { display: flex; }
}

/* FAB Menu */
.fab-menu {
  position: fixed;
  bottom: 90px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 89;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: all 0.35s var(--spring);
}
.fab-menu.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.fab-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  border: 1px solid var(--border-light);
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}
.fab-menu-item:hover { background: var(--accent-light); color: var(--accent); }
.fab-menu-item svg { width: 18px; height: 18px; }

/* ========== 30. Tooltip Component ========== */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s var(--spring);
  z-index: 1000;
}
[data-tooltip]::before {
  content: attr(data-tooltip);
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 12px;
  background: var(--text);
  color: var(--bg);
  font-size: 12px;
  font-weight: 500;
  border-radius: 8px;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  line-height: 1.4;
}
[data-tooltip]::after {
  content: '';
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  border: 4px solid transparent;
  border-top-color: var(--text);
}
[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Tooltip positions */
[data-tooltip-pos="bottom"]::before {
  bottom: auto;
  top: calc(100% + 8px);
  transform: translateX(-50%) translateY(-4px);
}
[data-tooltip-pos="bottom"]::after {
  bottom: auto;
  top: calc(100% + 4px);
  transform: translateX(-50%) translateY(-4px);
  border-top-color: transparent;
  border-bottom-color: var(--text);
}
[data-tooltip-pos="bottom"]:hover::before,
[data-tooltip-pos="bottom"]:hover::after {
  transform: translateX(-50%) translateY(0);
}

/* ========== 31. Tab Indicator — Sliding ========== */
.tab-container {
  position: relative;
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-light);
}
.tab-item {
  padding: 12px 20px;
  border: none;
  background: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.25s ease;
  position: relative;
}
.tab-item:hover { color: var(--text); }
.tab-item.active { color: var(--accent); font-weight: 600; }
.tab-item.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
  animation: tabIndicatorSlide 0.3s var(--ease-out-expo);
}
@keyframes tabIndicatorSlide {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ========== 32. Animations ========== */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes slideRow {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Pulse animation for active elements */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.pulse { animation: pulse 2s ease-in-out infinite; }

.anim-up { animation: slideUp 0.5s var(--spring) both; }
.anim-fade { animation: fadeIn 0.4s ease both; }
.anim-scale { animation: scaleIn 0.5s var(--spring) both; }
.anim-row { animation: slideRow 0.4s ease both; }
.anim-down { animation: slideDown 0.5s var(--spring) both; }

.d1 { animation-delay: 0.04s; } .d2 { animation-delay: 0.08s; } .d3 { animation-delay: 0.12s; }
.d4 { animation-delay: 0.16s; } .d5 { animation-delay: 0.2s; }  .d6 { animation-delay: 0.24s; }
.d7 { animation-delay: 0.28s; } .d8 { animation-delay: 0.32s; } .d9 { animation-delay: 0.36s; }
.d10 { animation-delay: 0.4s; }

/* ========== 33. Menu Toggle ========== */
.menu-toggle {
  display: none;
  width: 38px; height: 38px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: 12px;
  color: var(--text);
  cursor: pointer;
  padding: 7px;
  transition: var(--transition);
  flex-shrink: 0;
}
.menu-toggle:hover { background: var(--accent-light); color: var(--accent); }
.menu-toggle svg { width: 24px; height: 24px; }

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.sidebar-backdrop.visible { display: block; opacity: 1; }

/* ========== Large Desktop (1440px+) ========== */
@media (min-width: 1440px) {
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .modal { max-width: 800px; }
  .info-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .bar-chart { height: 240px; }
  .table-scroll table { min-width: 700px; }
}

/* ========== Ultra-wide Desktop (1920px+) ========== */
@media (min-width: 1920px) {
  .stats-grid { grid-template-columns: repeat(6, 1fr); }
  .content-area { padding: 0 40px 28px; }
  .modal { max-width: 900px; }
  .topbar { padding: 24px 40px; }
  .topbar h1 { font-size: 26px; }
  .stat-card { padding: 24px; }
  .stat-value { font-size: 30px; }
  .stat-icon { width: 48px; height: 48px; }
  .card-body { padding: 28px; }
  .info-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .bar-chart { height: 280px; }
  td { padding: 15px 20px; font-size: 15px; }
  th { padding: 13px 20px; font-size: 12px; }
}

/* ========== 34. Responsive ========== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 240px; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; width: 100%; }
  .menu-toggle { display: flex; }

  .topbar { padding: 16px 18px; }
  .topbar h1 { font-size: 20px; }
  .content-area { padding: 0 16px 24px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 16px; }
  .stat-value { font-size: 22px; }
  .stat-icon { width: 36px; height: 36px; margin-bottom: 10px; }

  .login-card { padding: 32px 24px; max-width: 360px; }
  .login-card h1 { font-size: 20px; }

  .modal-body { padding: 16px 20px; }
  .modal-actions { padding: 14px 20px 20px; }
  .info-grid { grid-template-columns: 1fr 1fr; gap: 10px; }

  table { min-width: 500px; }

  .credit-card { padding: 22px 20px; min-height: 160px; }
  .cc-amount { font-size: 26px; }
  .cc-number { font-size: 16px; }

  .bar-chart { height: 160px; gap: 6px; }

  /* Toast narrower on mobile */
  .toast { max-width: 94vw; top: 12px; }
}

@media (max-width: 480px) {
  :root { --sidebar-w: 85vw; }

  .topbar { padding: 14px 16px; }
  .content-area { padding: 0 14px 20px; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 20px; }
  .stat-label { font-size: 11px; }
  .stat-icon { width: 32px; height: 32px; margin-bottom: 8px; border-radius: 10px; }
  .stat-icon svg { width: 16px; height: 16px; }

  .login-card { padding: 28px 20px; border-radius: var(--radius-lg); }

  .table-toolbar { flex-direction: column; }
  .search-input { width: 100%; min-width: 0; }

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

  .modal-header { padding: 16px 20px 0; }
  .modal-header h2 { font-size: 18px; }

  .credit-card { padding: 20px 16px; min-height: 150px; border-radius: var(--radius-lg); }
  .cc-amount { font-size: 24px; }

  .btn { padding: 9px 16px; font-size: 13px; }
  .btn-lg { padding: 12px 24px; font-size: 15px; }

  .chart-container { padding: 16px; }
  .bar-chart { height: 140px; }

  .fab { bottom: 20px; right: 16px; width: 50px; height: 50px; }
  .fab-menu { bottom: 80px; right: 16px; }

  .confirm-dialog { padding: 24px 20px; }
}

@media (max-width: 360px) {
  .login-card { padding: 24px 16px; }
  .login-tabs { gap: 2px; }
  .login-tab { font-size: 12px; padding: 8px 4px; }
  .lang-btn { padding: 5px 6px; font-size: 11px; }
}

/* ========== 35. Print ========== */
@media print {
  .sidebar, .topbar, .modal-overlay, .toast, .sidebar-backdrop,
  .fab, .fab-menu, .theme-toggle, .confirm-dialog-overlay { display: none !important; }
  .main-content { margin-left: 0 !important; width: 100% !important; }
  .card, .stat-card, .table-container { box-shadow: none !important; border: 1px solid #ddd !important; }
  body { background: white; color: black; }
  * { animation: none !important; transition: none !important; }
}

/* ========== 36. Utility Classes ========== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.no-select { user-select: none; -webkit-user-select: none; }

/* Focus ring for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
:focus:not(:focus-visible) {
  outline: none;
}

/* ========== Cercle Visual — Responsive ========== */
.cercle-visual {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  margin: 0 auto 24px;
}
.cercle-ring {
  position: absolute;
  inset: 10%;
  border: 3px solid var(--border-light);
  border-radius: 50%;
}
.cercle-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}
.cercle-center-amount { font-size: 22px; font-weight: 700; }
.cercle-center-label { font-size: 11px; color: var(--text-secondary); }
.cercle-member {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.4s var(--spring);
  cursor: pointer;
  z-index: 2;
  box-shadow: var(--shadow-xs);
}
.cercle-member:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}
.cercle-member.beneficiary {
  border-color: var(--warning);
  background: var(--warning-bg);
  color: var(--warning);
  box-shadow: 0 0 20px rgba(255,159,10,0.3);
}
.cercle-member.me {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}
.cercle-member.paid {
  border-color: var(--success);
  color: var(--success);
}
.cercle-member.paid::after {
  content: '\2713';
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  background: var(--success);
  color: white;
  border-radius: 50%;
  font-size: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-secondary);
}
.cercle-member-name {
  position: absolute;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--text-secondary);
  z-index: 1;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cercle-member-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  white-space: nowrap;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 10;
}
.cercle-member:hover .cercle-member-tooltip { opacity: 1; }

/* Cercle cards grid */
.cercle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.cercle-card { cursor: pointer; transition: all 0.35s var(--spring); }
.cercle-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

/* Progress ring SVG */
.progress-ring-circle {
  transition: stroke-dashoffset 0.8s var(--spring);
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

/* Cercle info rows */
.cercle-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}
.cercle-info-row:last-child { border-bottom: none; }
.cercle-info-label { color: var(--text-secondary); font-size: 13px; }

/* Cercle legend */
.cercle-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.cercle-legend-item { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-secondary); }
.cercle-legend-dot { width: 10px; height: 10px; border-radius: 50%; border: 2px solid; }

/* Contribution row */
.contrib-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 12px;
  margin-bottom: 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  transition: all 0.2s ease;
}
.contrib-row:hover { background: var(--bg-secondary); border-color: var(--border); }
.contrib-row.paid-row { border-color: var(--success); background: var(--success-bg); }
.contrib-row.is-me { background: var(--accent-light); border-color: var(--accent); }

/* Round history item */
.round-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}
.round-item:last-child { border-bottom: none; }
.round-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.round-num.completed { background: var(--success-bg); color: var(--success); }
.round-num.active { background: var(--warning-bg); color: var(--warning); }

/* Cercle frequency badge */
.cercle-freq {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 980px;
  font-size: 11px;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
}

@media (max-width: 768px) {
  .cercle-visual { max-width: 260px; }
  .cercle-member { width: 38px; height: 38px; font-size: 11px; }
  .cercle-member-name { font-size: 9px; max-width: 55px; }
  .cercle-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .cercle-visual { max-width: 240px; }
  .cercle-member { width: 34px; height: 34px; font-size: 10px; }
  .cercle-center-amount { font-size: 18px; }
}

@media (min-width: 1440px) {
  .cercle-visual { max-width: 360px; }
  .cercle-member { width: 48px; height: 48px; font-size: 14px; }

  /* Wide-screen UX improvements */
  .content-area { padding: 0 32px 28px; }
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .info-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
  .table-container { font-size: 14px; }
  table th, table td { padding: 12px 16px; }
  .card-body { padding: 24px; }
  .topbar h1 { font-size: 22px; }
}

@media (min-width: 1920px) {
  /* Ultra-wide UX improvements */
  .content-area { padding: 0 40px 28px; }
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .info-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
  .table-container { font-size: 15px; }
  table th, table td { padding: 14px 20px; }
  .card-body { padding: 28px; }
  .sidebar { width: 260px; }
  .topbar h1 { font-size: 24px; }
  .topbar { padding: 18px 40px; }
}