:root {
  /* Vibrant Liquid Glassmorphism Dark Theme (Default) */
  --bg-primary: #0a0e1a;
  --bg-secondary: #121829;
  --bg-surface: rgba(22, 30, 53, 0.7);
  --bg-surface-hover: rgba(30, 41, 72, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-card: rgba(18, 24, 41, 0.65);
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glass-glow: rgba(99, 102, 241, 0.35);
  --glass-blur: blur(16px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Brand Accents */
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.5);
  --primary-hover: #4f46e5;
  --secondary: #ec4899;
  --secondary-glow: rgba(236, 72, 153, 0.4);
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.4);

  /* Semantic Colors */
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.3);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);
  --info: #3b82f6;

  /* Typography Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #0f172a;

  /* Inputs & Interactive */
  --input-bg: rgba(15, 23, 42, 0.6);
  --input-border: rgba(255, 255, 255, 0.15);
  --input-focus: #6366f1;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-primary: #f0f4f8;
  --bg-secondary: #e2e8f0;
  --bg-surface: rgba(255, 255, 255, 0.85);
  --bg-surface-hover: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-glass-card: rgba(255, 255, 255, 0.75);
  --border-glass: rgba(0, 0, 0, 0.08);
  --border-glass-glow: rgba(99, 102, 241, 0.3);
  --glass-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.08);

  --primary: #4f46e5;
  --primary-glow: rgba(79, 70, 229, 0.3);
  --primary-hover: #4338ca;
  --secondary: #db2777;
  --accent: #0891b2;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --text-inverse: #ffffff;

  --input-bg: rgba(255, 255, 255, 0.9);
  --input-border: rgba(0, 0, 0, 0.15);
}

/* Base Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  touch-action: pan-x pan-y pinch-zoom;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  overflow-x: clip;
  touch-action: pan-x pan-y pinch-zoom;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(at 10% 10%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(236, 72, 153, 0.12) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-glass-glow);
}

.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  padding: 1.25rem;
  transition: all var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glass-glow);
  box-shadow: 0 12px 35px -5px var(--primary-glow);
}

/* Liquid Glowing Gradients */
.glow-primary {
  box-shadow: 0 0 25px var(--primary-glow);
}

.glow-secondary {
  box-shadow: 0 0 25px var(--secondary-glow);
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-badge {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(236, 72, 153, 0.2));
  border: 1px solid var(--border-glass-glow);
  color: var(--text-main);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-glass);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ==========================================================================
   DATE & CALENDAR PICKER ICONS (Globally High-Contrast Pure White in Dark Mode)
   ========================================================================== */
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"] {
  color-scheme: dark !important;
  color: var(--text-main) !important;
  background-color: var(--input-bg) !important;
}

/* Dark Mode: High-contrast, sharp Pure White (#FFFFFF) Calendar Icon */
html:not([data-theme="light"]) input[type="date"]::-webkit-calendar-picker-indicator,
html:not([data-theme="light"]) input[type="datetime-local"]::-webkit-calendar-picker-indicator,
html:not([data-theme="light"]) input[type="month"]::-webkit-calendar-picker-indicator,
html:not([data-theme="light"]) input[type="time"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="datetime-local"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="month"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="time"]::-webkit-calendar-picker-indicator,
input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer !important;
  opacity: 1 !important;
  display: inline-block !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23FFFFFF' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: 1.15rem 1.15rem !important;
  width: 1.25rem !important;
  height: 1.25rem !important;
  filter: none !important;
  -webkit-filter: none !important;
}

/* Light Mode: Elegant Charcoal Black Calendar Icon */
[data-theme="light"] input[type="date"],
[data-theme="light"] input[type="datetime-local"],
[data-theme="light"] input[type="month"],
[data-theme="light"] input[type="time"] {
  color-scheme: light !important;
  color: #0f172a !important;
  background-color: rgba(255, 255, 255, 0.9) !important;
}

[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="light"] input[type="datetime-local"]::-webkit-calendar-picker-indicator,
[data-theme="light"] input[type="month"]::-webkit-calendar-picker-indicator,
[data-theme="light"] input[type="time"]::-webkit-calendar-picker-indicator {
  cursor: pointer !important;
  opacity: 0.85 !important;
  display: inline-block !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: 1.15rem 1.15rem !important;
  width: 1.25rem !important;
  height: 1.25rem !important;
  filter: none !important;
  -webkit-filter: none !important;
}

/* ==========================================================================
   Shared Contact / Duplicate Phone Warning Box (Dark & Light Mode)
   ========================================================================== */
.cnt-duplicate-warning-box {
  background: rgba(239, 68, 68, 0.12) !important;
  border: 1px solid rgba(239, 68, 68, 0.4) !important;
  border-left: 4px solid #ef4444 !important;
  padding: 0.85rem 1rem !important;
  border-radius: var(--radius-sm, 8px) !important;
  margin-top: 0.6rem !important;
  backdrop-filter: var(--glass-blur, blur(12px)) !important;
  -webkit-backdrop-filter: var(--glass-blur, blur(12px)) !important;
}

.cnt-duplicate-warning-title {
  color: #ef4444 !important;
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  letter-spacing: 0.2px !important;
  margin-bottom: 0.25rem !important;
}

.cnt-duplicate-warning-info {
  color: #f8fafc !important;
  font-size: 0.84rem !important;
  line-height: 1.45 !important;
}

.cnt-duplicate-warning-info strong {
  color: #ffffff !important;
}

.cnt-duplicate-warning-info em {
  color: #cbd5e1 !important;
  font-style: normal !important;
}

.cnt-duplicate-warning-divider {
  margin-top: 0.5rem !important;
  padding-top: 0.5rem !important;
  border-top: 1px dashed rgba(239, 68, 68, 0.35) !important;
}

.cnt-duplicate-warning-checkbox-label {
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  cursor: pointer !important;
  font-weight: 600 !important;
  color: #f8fafc !important;
  margin-bottom: 0 !important;
  font-size: 0.82rem !important;
}

/* Light Mode Overrides for Duplicate Warning Box */
[data-theme="light"] .cnt-duplicate-warning-box {
  background: rgba(239, 68, 68, 0.08) !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
  border-left-color: #dc2626 !important;
}

[data-theme="light"] .cnt-duplicate-warning-title {
  color: #dc2626 !important;
}

[data-theme="light"] .cnt-duplicate-warning-info {
  color: #1e293b !important;
}

[data-theme="light"] .cnt-duplicate-warning-info strong {
  color: #0f172a !important;
}

[data-theme="light"] .cnt-duplicate-warning-info em {
  color: #475569 !important;
}

[data-theme="light"] .cnt-duplicate-warning-divider {
  border-top-color: rgba(220, 38, 38, 0.25) !important;
}

[data-theme="light"] .cnt-duplicate-warning-checkbox-label {
  color: #0f172a !important;
}