/* ============================================================
   CRMSocial — Design System
   Font: Outfit | Accent: Cyan/Teal | Light + Dark mode
   ============================================================ */

/* ── CSS Custom Properties ───────────────────────────────── */
:root {

  /* ── Primary color scale — Cyan (#0891b2 = cyan-600) ────── */
  --color-primary-50:  #ecfeff;
  --color-primary-100: #cffafe;
  --color-primary-200: #a5f3fc;
  --color-primary-300: #67e8f9;
  --color-primary-400: #22d3ee;
  --color-primary-500: #06b6d4;
  --color-primary-600: #0891b2;
  --color-primary-700: #0e7490;
  --color-primary-800: #155e75;
  --color-primary-900: #164e63;

  --color-primary:       var(--color-primary-600);
  --color-primary-hover: var(--color-primary-700);
  --color-primary-light: var(--color-primary-50);

  /* Alpha variants — redefine in dark mode for the shifted primary */
  --color-primary-a08: rgba(8,145,178,0.08);
  --color-primary-a10: rgba(8,145,178,0.10);
  --color-primary-a12: rgba(8,145,178,0.12);
  --color-primary-a15: rgba(8,145,178,0.15);
  --color-primary-a18: rgba(8,145,178,0.18);
  --color-primary-a20: rgba(8,145,178,0.20);
  --color-primary-a28: rgba(8,145,178,0.28);
  --color-primary-a40: rgba(8,145,178,0.40);

  /* ── Secondary color scale — Teal (#0f766e = teal-700) ──── */
  --color-secondary-50:  #f0fdfa;
  --color-secondary-100: #ccfbf1;
  --color-secondary-200: #99f6e4;
  --color-secondary-300: #5eead4;
  --color-secondary-400: #2dd4bf;
  --color-secondary-500: #14b8a6;
  --color-secondary-600: #0d9488;
  --color-secondary-700: #0f766e;
  --color-secondary-800: #115e59;
  --color-secondary-900: #134e4a;

  --color-secondary: var(--color-secondary-700);

  /* ── Semantic colors — base + light + dark + text + alpha ── */
  --color-success:       #10b981;
  --color-success-light: #d1fae5;
  --color-success-dark:  #059669;
  --color-success-text:  #065f46;
  --color-success-a15:   rgba(16,185,129,0.15);
  --color-success-a18:   rgba(16,185,129,0.18);

  --color-warning:       #f59e0b;
  --color-warning-light: #fef3c7;
  --color-warning-dark:  #d97706;
  --color-warning-text:  #92400e;
  --color-warning-a15:   rgba(245,158,11,0.15);
  --color-warning-a18:   rgba(245,158,11,0.18);

  --color-danger:        #ef4444;
  --color-danger-light:  #fee2e2;
  --color-danger-dark:   #dc2626;
  --color-danger-text:   #991b1b;
  --color-danger-a15:    rgba(239,68,68,0.15);

  /* info is distinct from primary (blue, not cyan) */
  --color-info:          #3b82f6;
  --color-info-light:    #eff6ff;
  --color-info-dark:     #2563eb;
  --color-info-text:     #1e40af;
  --color-info-a15:      rgba(59,130,246,0.15);

  /* ── Neutrals — Light ───────────────────────────────────── */
  --color-bg:             #f8fafc;
  --color-bg-card:        #ffffff;
  --color-bg-input:       #ffffff;
  --color-border:         #e2e8f0;
  --color-border-light:   #f1f5f9;
  --color-text:           #0a0f1e;
  --color-text-secondary: #64748b;
  --color-text-muted:     #94a3b8;
  --color-text-inverse:   #ffffff;

  /* ── Sidebar ────────────────────────────────────────────── */
  --sidebar-width:       260px;
  --sidebar-bg:          #111827;
  --sidebar-text:        #9ca3af;
  --sidebar-text-active: #ffffff;
  --sidebar-item-hover:  rgba(255,255,255,0.07);
  --sidebar-item-active: var(--color-primary-a20);

  /* ── Topbar ─────────────────────────────────────────────── */
  --topbar-height: 64px;
  --topbar-bg:     #ffffff;
  --topbar-border: #e2e8f0;

  /* ── Typography ─────────────────────────────────────────── */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font sizes */
  --font-size-xs:      0.75rem;    /* 12px */
  --font-size-sm:      0.875rem;   /* 14px */
  --font-size-base:    1rem;       /* 16px */
  --font-size-lg:      1.125rem;   /* 18px */
  --font-size-xl:      1.25rem;    /* 20px */
  --font-size-2xl:     1.5rem;     /* 24px */
  --font-size-3xl:     1.875rem;   /* 30px */
  --font-size-4xl:     2.25rem;    /* 36px */
  --font-size-5xl:     3rem;       /* 48px */
  --font-size-display: 3.75rem;    /* 60px */

  /* Font weights */
  --font-weight-light:     300;
  --font-weight-normal:    400;
  --font-weight-medium:    500;
  --font-weight-semibold:  600;
  --font-weight-bold:      700;
  --font-weight-extrabold: 800;

  /* Line heights */
  --line-height-none:    1;
  --line-height-tight:   1.25;
  --line-height-snug:    1.375;
  --line-height-normal:  1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose:   2;

  /* Letter spacing */
  --letter-spacing-tighter: -0.05em;
  --letter-spacing-tight:   -0.025em;
  --letter-spacing-normal:  0em;
  --letter-spacing-wide:    0.025em;
  --letter-spacing-wider:   0.05em;
  --letter-spacing-widest:  0.1em;

  /* ── Spacing — 8pt grid ─────────────────────────────────── */
  --space-0:  0;
  --space-1:  0.25rem;   /*  4px */
  --space-2:  0.5rem;    /*  8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-7:  1.75rem;   /* 28px */
  --space-8:  2rem;      /* 32px */
  --space-9:  2.25rem;   /* 36px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-14: 3.5rem;    /* 56px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

  /* Semantic spacing aliases */
  --space-xs:  var(--space-1);
  --space-sm:  var(--space-2);
  --space-md:  var(--space-4);
  --space-lg:  var(--space-6);
  --space-xl:  var(--space-8);
  --space-2xl: var(--space-12);
  --space-3xl: var(--space-16);

  /* ── Border radius ──────────────────────────────────────── */
  --radius-none: 0;
  --radius-sm:   0.25rem;   /*  4px */
  --radius-md:   0.5rem;    /*  8px */
  --radius-lg:   0.75rem;   /* 12px */
  --radius-xl:   1rem;      /* 16px */
  --radius-2xl:  1.5rem;    /* 24px */
  --radius-3xl:  2rem;      /* 32px */
  --radius-full: 9999px;

  /* Border widths */
  --border-width-none:   0;
  --border-width-thin:   1px;
  --border-width-medium: 2px;
  --border-width-thick:  4px;

  /* ── Shadows — tinted to bg hue ─────────────────────────── */
  --shadow-none:    none;
  --shadow-sm:      0 1px 2px 0 rgb(10 15 30 / 0.04);
  --shadow-md:      0 4px 12px -2px rgb(10 15 30 / 0.08), 0 2px 4px -1px rgb(10 15 30 / 0.04);
  --shadow-lg:      0 12px 24px -4px rgb(10 15 30 / 0.09), 0 4px 8px -2px rgb(10 15 30 / 0.05);
  --shadow-xl:      0 24px 40px -8px rgb(10 15 30 / 0.10), 0 8px 16px -4px rgb(10 15 30 / 0.06);
  --shadow-2xl:     0 40px 64px -12px rgb(10 15 30 / 0.14);
  --shadow-inner:   inset 0 2px 4px 0 rgb(10 15 30 / 0.06);
  --shadow-primary: 0 8px 24px -4px var(--color-primary-a28);

  /* ── Animation — duration and easing separated ──────────── */
  --duration-instant: 0ms;
  --duration-fast:    150ms;
  --duration-normal:  220ms;
  --duration-slow:    350ms;
  --duration-slower:  500ms;

  --easing-linear:   linear;
  --easing-ease:     ease;
  --easing-in:       ease-in;
  --easing-out:      ease-out;
  --easing-in-out:   ease-in-out;
  --easing-expo-out: cubic-bezier(0.16, 1, 0.3, 1);
  --easing-spring:   cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Composed transition tokens (backward compatible) */
  --transition-fast:   var(--duration-fast)   var(--easing-expo-out);
  --transition-normal: var(--duration-normal) var(--easing-expo-out);
  --transition-slow:   var(--duration-slow)   var(--easing-expo-out);

  /* ── Z-index — 1000+ to avoid third-party conflicts ─────── */
  --z-base:     0;
  --z-raised:   10;
  --z-dropdown: 1000;
  --z-sticky:   1010;
  --z-sidebar:  1020;
  --z-topbar:   1020;
  --z-overlay:  1030;
  --z-modal:    1040;
  --z-popover:  1050;
  --z-tooltip:  1060;
  --z-toast:    1070;
  --z-progress: 1080;

  /* ── Breakpoints — as tokens for JS access ──────────────── */
  --breakpoint-xs:  480px;
  --breakpoint-sm:  640px;
  --breakpoint-md:  768px;
  --breakpoint-lg:  1024px;
  --breakpoint-xl:  1280px;
  --breakpoint-2xl: 1536px;
}

/* ── Dark Mode ───────────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:             #09090b;
  --color-bg-card:        #18181b;
  --color-bg-sidebar:     #09090b;
  --color-bg-input:       #18181b;
  --color-border:         #27272a;
  --color-border-light:   #18181b;
  --color-text:           #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-muted:     #71717a;
  --topbar-bg:            #18181b;
  --topbar-border:        #27272a;
  --sidebar-bg:           #09090b;

  /* Primary shifts to cyan-400 (#22d3ee = rgb(34,211,238)) in dark mode */
  --color-primary:       #22d3ee;
  --color-primary-hover: #06b6d4;
  --color-primary-light: rgba(34,211,238,0.12);

  /* Alpha tokens recalculated for dark primary */
  --color-primary-a08: rgba(34,211,238,0.08);
  --color-primary-a10: rgba(34,211,238,0.10);
  --color-primary-a12: rgba(34,211,238,0.12);
  --color-primary-a15: rgba(34,211,238,0.15);
  --color-primary-a18: rgba(34,211,238,0.18);
  --color-primary-a20: rgba(34,211,238,0.20);
  --color-primary-a28: rgba(34,211,238,0.28);
  --color-primary-a40: rgba(34,211,238,0.40);

  /* Semantic color variants adapted for dark backgrounds */
  --color-success-light: rgba(16,185,129,0.15);
  --color-success-text:  #34d399;
  --color-success-a15:   rgba(16,185,129,0.15);
  --color-success-a18:   rgba(16,185,129,0.18);

  --color-warning-light: rgba(245,158,11,0.15);
  --color-warning-text:  #fbbf24;
  --color-warning-a15:   rgba(245,158,11,0.15);
  --color-warning-a18:   rgba(245,158,11,0.18);

  --color-danger-light: rgba(239,68,68,0.15);
  --color-danger-text:  #f87171;
  --color-danger-a15:   rgba(239,68,68,0.15);

  /* Info shifts to a lighter blue in dark mode */
  --color-info:       #60a5fa;
  --color-info-light: rgba(59,130,246,0.15);
  --color-info-text:  #93c5fd;
  --color-info-a15:   rgba(59,130,246,0.15);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-hover); }

img { max-width: 100%; display: block; }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  text-wrap: balance;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--font-size-3xl); font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: var(--font-size-2xl); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p { color: var(--color-text-secondary); line-height: 1.75; }

/* ── Layout ──────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100dvh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  position: fixed;
  top: 0;
  left: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: transform var(--transition-normal);
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo {
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--color-primary-a40);
}

.sidebar-logo-text {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-3) var(--space-3);
  overflow-y: auto;
}

.sidebar-section-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.5625rem var(--space-3);
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  margin-bottom: 2px;
}

.sidebar-item:hover {
  background: var(--sidebar-item-hover);
  color: var(--sidebar-text-active);
}

.sidebar-item.active {
  background: var(--sidebar-item-active);
  color: var(--sidebar-text-active);
}

.sidebar-item svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  opacity: 0.65;
  stroke-width: 1.75;
}

.sidebar-item.active svg,
.sidebar-item:hover svg { opacity: 1; }

.sidebar-item .badge {
  margin-left: auto;
  background: var(--color-primary);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

.sidebar-footer {
  padding: var(--space-3) var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sidebar-user:hover { background: var(--sidebar-item-hover); }

.avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role { font-size: var(--font-size-xs); color: var(--sidebar-text); }

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  gap: var(--space-4);
  z-index: var(--z-topbar);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.topbar-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
  letter-spacing: 0.01em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ── Main content ────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  padding-top: var(--topbar-height);
  flex: 1;
  min-height: 100dvh;
}

.page-content {
  padding: var(--space-8);
  max-width: 1400px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.card-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

/* ── KPI Cards ───────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.kpi-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.kpi-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-icon.primary { background: var(--color-primary-a15);    color: var(--color-primary); }
.kpi-icon.success { background: var(--color-success-light);  color: var(--color-success); }
.kpi-icon.warning { background: var(--color-warning-light);  color: var(--color-warning); }
.kpi-icon.info    { background: var(--color-info-light);     color: var(--color-info); }

.kpi-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.kpi-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.kpi-delta {
  font-size: var(--font-size-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}
.kpi-delta.up   { color: var(--color-success); }
.kpi-delta.down { color: var(--color-danger); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
  font-family: var(--font-sans);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Tactile press feedback */
.btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.98);
}

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

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-border-light);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  background: var(--color-border-light);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}
.btn-danger:hover { background: #dc2626; color: white; }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
}
.btn-ghost:hover {
  background: var(--color-border-light);
  color: var(--color-text);
}

.btn-sm  { padding: 0.3125rem 0.6875rem; font-size: var(--font-size-xs); }
.btn-lg  { padding: 0.75rem 1.5rem; font-size: var(--font-size-base); }
.btn-icon { padding: 0.5rem; }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 0.625rem var(--space-3);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  font-family: var(--font-sans);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-a12);
}

.form-control::placeholder { color: var(--color-text-muted); }

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-primary   { background: var(--color-primary-a15);   color: var(--color-primary); }
.badge-success   { background: var(--color-success-light); color: var(--color-success-text); }
.badge-warning   { background: var(--color-warning-light); color: var(--color-warning-text); }
.badge-danger    { background: var(--color-danger-light);  color: var(--color-danger-text); }
.badge-gray      { background: var(--color-border-light);  color: var(--color-text-secondary); }
.badge-secondary { background: var(--color-border-light);  color: var(--color-text-secondary); }

[data-theme="dark"] .badge-secondary { background: rgba(255,255,255,0.06); color: var(--color-text-muted); }

/* ── Tables ──────────────────────────────────────────────── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

thead th {
  background: var(--color-border-light);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

[data-theme="dark"] thead th { background: rgba(255,255,255,0.03); }

tbody tr {
  border-top: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

tbody tr:hover { background: var(--color-border-light); }

td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  vertical-align: middle;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.alert-success { background: var(--color-success-light); color: var(--color-success-text); border: 1px solid var(--color-success-a18); }
.alert-danger  { background: var(--color-danger-light);  color: var(--color-danger-text);  border: 1px solid var(--color-danger-a15); }
.alert-warning { background: var(--color-warning-light); color: var(--color-warning-text); border: 1px solid var(--color-warning-a18); }
.alert-info    { background: var(--color-info-light);    color: var(--color-info-text);    border: 1px solid var(--color-info-a15); }

/* ── Toast notifications ─────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 280px;
  max-width: 380px;
  animation: slideInRight 220ms cubic-bezier(0.16, 1, 0.3, 1);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

@keyframes slideInRight {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Modal ───────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 150ms ease;
}

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

.modal {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  animation: scaleIn 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleIn {
  from { transform: scale(0.95) translateY(8px); opacity: 0; }
  to   { transform: scale(1)    translateY(0);   opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal-title { font-size: var(--font-size-xl); font-weight: 600; }

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}
.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ── Theme toggle ────────────────────────────────────────── */
.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.theme-toggle:hover { background: var(--color-border-light); color: var(--color-text); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ── Conversation list ───────────────────────────────────── */
.conversation-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.conversation-item:hover { background: var(--color-border-light); }
.conversation-item.active { background: var(--color-primary-light); }

[data-theme="dark"] .conversation-item.active {
  background: rgba(8,145,178,0.1);
}

.channel-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  font-weight: 700;
  color: white;
}

.channel-facebook  { background: #1877f2; }
.channel-instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.channel-whatsapp  { background: #25d366; }
.channel-tiktok    { background: #18181b; border: 1px solid #27272a; }

/* ── Grain noise overlay (optional) ─────────────────────── */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: calc(var(--z-toast) + 1);
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* ── Utility ─────────────────────────────────────────────── */
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.flex         { display: flex; }
.flex-1       { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2        { gap: var(--space-2); }
.gap-3        { gap: var(--space-3); }
.gap-4        { gap: var(--space-4); }
.mt-4         { margin-top: var(--space-4); }
.mt-6         { margin-top: var(--space-6); }
.mb-4         { margin-bottom: var(--space-4); }
.mb-6         { margin-bottom: var(--space-6); }
.w-full       { width: 100%; }
.font-semibold { font-weight: 600; }
.text-sm      { font-size: var(--font-size-sm); }
.text-muted   { color: var(--color-text-muted); }
.sr-only      { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.truncate     { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2       { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3       { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --sidebar-width: 220px; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .topbar { left: 0; }
  .page-content { padding: var(--space-4); }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .page-content { padding: var(--space-3); }
}

/* ============================================================
   Progress bar — page navigation & API calls
   ============================================================ */

#nprogress {
  pointer-events: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-progress);
}

#nprogress .nprogress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  transform: translateX(-100%);
  transition: transform 180ms linear;
  box-shadow: 0 0 12px rgba(8,145,178,0.55), 0 0 4px rgba(8,145,178,0.35);
  will-change: transform;
}

[data-theme="dark"] #nprogress .nprogress-bar {
  box-shadow: 0 0 14px rgba(34,211,238,0.6), 0 0 5px rgba(34,211,238,0.4);
}

/* Shining peg at the leading edge */
#nprogress .nprogress-bar::after {
  content: '';
  display: block;
  position: absolute;
  right: 0;
  top: 0;
  width: 120px;
  height: 100%;
  box-shadow: 0 0 16px 4px var(--color-primary);
  opacity: 0.6;
  transform: rotate(3deg) translateY(-2px);
}

/* Done: fade out the bar */
#nprogress.nprogress-done .nprogress-bar {
  transition: transform 160ms linear, opacity 320ms ease;
  opacity: 0;
}

/* ============================================================
   Button loading state
   ============================================================ */

.btn-loading {
  opacity: 0.8;
  cursor: wait;
  pointer-events: none;
}

/* Spinning circle icon used in loading buttons */
.btn-spinner {
  flex-shrink: 0;
  animation: _btn-spin 0.65s linear infinite;
  will-change: transform;
}

@keyframes _btn-spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Skeleton loaders
   ============================================================ */

@keyframes _skeleton-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

.skeleton {
  background: var(--color-border);
  border-radius: var(--radius-md);
  animation: _skeleton-pulse 1.6s ease-in-out infinite;
}

.skeleton-text {
  height: 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--color-border);
  animation: _skeleton-pulse 1.6s ease-in-out infinite;
}

/* Stagger skeleton children automatically */
.skeleton-group > *:nth-child(2) { animation-delay: 0.15s; }
.skeleton-group > *:nth-child(3) { animation-delay: 0.30s; }
.skeleton-group > *:nth-child(4) { animation-delay: 0.45s; }

/* ============================================================
   Accessibility utilities
   ============================================================ */

/* Skip navigation link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s;
}
.skip-link:focus { top: 0; }

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 35;
  transition: opacity 200ms;
}
.sidebar-overlay.active { display: block; }