/* ═══════════════════════════════════════════════════════════════════════════
   IMPHNEN Design System — Approachable Modernism
   Manifestasi visual dari semangat komunitas programmer terbesar Indonesia.
   Dibingkai dengan cinta oleh Cyrene ❄️🌺
   ═══════════════════════════════════════════════════════════════════════════ */

@import "tailwindcss";
@config "../tailwind.config.js";

/* ─── Google Fonts: Poppins — monofamily yang friendly & percaya diri ─── */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ═══════════════════════════════════════════════════════════════════════════
   BASE LAYER — IMPHNEN Design Tokens
   ═══════════════════════════════════════════════════════════════════════════ */
@layer base {
  :root {
    /* ─── Surface & Background ────────────────────────────────────────── */
    --background: #ffffff;
    --foreground: #1a1a1a;
    --card: #ffffff;
    --card-foreground: #1a1a1a;
    --muted: #f5f5f5;
    --muted-foreground: #666666;
    --accent: #f0f0f0;
    --accent-foreground: #1a1a1a;
    --popover: #ffffff;
    --popover-foreground: #1a1a1a;

    /* ─── Primary — Signature IMPHNEN Blue (#23a1eb) ─────────────────── */
    /* Energi, kepercayaan, dan kehangatan digital */
    --primary: #23a1eb;
    --primary-foreground: #ffffff;
    --primary-soft: #e1f0fd;
    --primary-hover: #1a8fd9;
    --primary-active: #0877c1;

    /* ─── Secondary — Facebook Integration (#1877f2) ─────────────────── */
    /* Lebih gelap & saturated untuk hierarki visual */
    --secondary: #1877f2;
    --secondary-foreground: #ffffff;
    --secondary-soft: #e7f1ff;

    /* ─── Tertiary — Discord Accent (#5865f2) ────────────────────────── */
    /* Kehadiran brand di ekosistem platform */
    --tertiary: #5865f2;
    --tertiary-foreground: #ffffff;
    --tertiary-soft: #eef0ff;

    /* ─── Semantic Colors ────────────────────────────────────────────── */
    --success: #22c55e;
    --success-soft: #dcfce7;
    --warning: #f59e0b;
    --warning-soft: #fef3c7;
    --destructive: #e4405f;
    --destructive-foreground: #ffffff;
    --destructive-soft: #ffebee;
    --info: #3b82f6;
    --info-soft: #dbeafe;

    /* ─── Borders & Inputs ───────────────────────────────────────────── */
    --border: #e0e0e0;
    --border-hover: #cccccc;
    --input: #e0e0e0;
    --ring: #23a1eb;

    /* ─── Radius — Friendly Geometry ─────────────────────────────────── */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* ─── Elevation — Subtle Shadow Stack ────────────────────────────── */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);

    /* ─── Glow — Branded Auroras ─────────────────────────────────────── */
    --primary-glow: rgba(35, 161, 235, 0.15);
    --tertiary-glow: rgba(88, 101, 242, 0.15);
    --destructive-glow: rgba(228, 64, 95, 0.15);
    --success-glow: rgba(34, 197, 94, 0.15);

    /* ─── Spacing — Rhythm System ────────────────────────────────────── */
    --space-xs: 4px;
    --space-sm: 12px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --gutter: 24px;
    --container-max: 1280px;

    /* ─── Transition — Snappy & Responsive ──────────────────────────── */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  /* ─── Dark Mode Theme ──────────────────────────────────────────────────── */
  [data-theme="dark"] {
    --background: #1c1c1f;
    --foreground: #f0f0f2;
    --card: #1c1c1f;
    --card-foreground: #f0f0f2;
    --muted: #141417;
    --muted-foreground: #a0a0a6;
    --accent: #26262a;
    --accent-foreground: #f0f0f2;
    --popover: #1c1c1f;
    --popover-foreground: #f0f0f2;
    --primary: #54a2ff;
    --primary-foreground: #0d0d0f;
    --primary-soft: #18263a;
    --primary-hover: #3d8ee8;
    --primary-active: #2a7ad4;
    --secondary: #4a8ef5;
    --secondary-foreground: #0d0d0f;
    --secondary-soft: #1a274a;
    --tertiary: #7984f5;
    --tertiary-foreground: #0d0d0f;
    --tertiary-soft: #20266a;
    --success: #34d399;
    --success-soft: #13261a;
    --warning: #fbbf24;
    --warning-soft: #261a10;
    --destructive: #f87171;
    --destructive-soft: #2a1418;
    --info: #60a5fa;
    --info-soft: #141e38;
    --border: #343438;
    --border-hover: #48484d;
    --input: #343438;
    --ring: #54a2ff;
    --outline: #6a6a70;
    --outline-variant: #404044;
    --primary-glow: rgba(84,162,255,0.15);
    --tertiary-glow: rgba(121,132,245,0.15);
    --destructive-glow: rgba(248,113,113,0.15);
    --success-glow: rgba(52,211,153,0.15);
    --surface: #1c1c1f;
    --surface-dim: #141417;
    --surface-bright: #2c2c30;
    --on-surface: #f0f0f2;
    --on-surface-variant: #a0a0a6;
    --inverse-surface: #f0f0f2;
    --inverse-on-surface: #1c1c1f;
    --surface-container: #26262a;
    --surface-container-low: #202023;
    --surface-container-high: #2c2c30;
    --surface-container-highest: #323236;
  }

  /* ─── Global Resets ──────────────────────────────────────────────────── */
  * {
    border-color: var(--border);
  }

  body {
    background-color: var(--background);
    color: var(--foreground);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: 'Poppins', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  }

  html,
  body,
  #root {
    min-height: 100%;
  }

  /* ─── Smooth Scroll ──────────────────────────────────────────────────── */
  html {
    scroll-behavior: smooth;
  }

  /* ─── Selection ──────────────────────────────────────────────────────── */
  ::selection {
    background-color: var(--primary-soft);
    color: var(--on-primary-container, #0d4a7a);
  }

  /* ─── Theme Transition ─────────────────────────────────────────────────── */
  html.theme-transitioning,
  html.theme-transitioning *,
  html.theme-transitioning *::before,
  html.theme-transitioning *::after {
    transition: background-color 200ms ease, color 150ms ease, border-color 150ms ease, box-shadow 200ms ease !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   THEME EXTENSION — IMPHNEN Custom Tailwind Tokens
   ═══════════════════════════════════════════════════════════════════════════ */
@theme {
  /* ─── Typography Scale — Poppins Monofamily ─────────────────────────── */
  --font-family-display: 'Poppins', sans-serif;
  --font-size-display: 60px;
  --font-weight-display: 700;
  --line-height-display: 68px;
  --letter-spacing-display: -0.04em;

  --font-size-headline-lg: 40px;
  --font-weight-headline-lg: 600;
  --line-height-headline-lg: 48px;
  --letter-spacing-headline-lg: -0.02em;

  --font-size-headline-md: 28px;
  --font-weight-headline-md: 600;
  --line-height-headline-md: 36px;
  --letter-spacing-headline-md: -0.01em;

  --font-size-title-lg: 20px;
  --font-weight-title-lg: 600;
  --line-height-title-lg: 28px;

  --font-size-body-lg: 18px;
  --font-weight-body-lg: 400;
  --line-height-body-lg: 28px;
  --letter-spacing-body-lg: 0.01em;

  --font-size-body-md: 16px;
  --font-weight-body-md: 400;
  --line-height-body-md: 24px;
  --letter-spacing-body-md: 0.01em;

  --font-size-label-md: 14px;
  --font-weight-label-md: 600;
  --line-height-label-md: 20px;
  --letter-spacing-label-md: 0.02em;

  --font-size-label-sm: 12px;
  --font-weight-label-sm: 500;
  --line-height-label-sm: 16px;
  --letter-spacing-label-sm: 0.03em;

  /* ─── Brand Colors ──────────────────────────────────────────────────── */
  --color-primary: #23a1eb;
  --color-primary-foreground: #ffffff;
  --color-primary-soft: #e1f0fd;
  --color-primary-hover: #1a8fd9;
  --color-primary-active: #0877c1;

  --color-secondary: #1877f2;
  --color-secondary-foreground: #ffffff;
  --color-secondary-soft: #e7f1ff;

  --color-tertiary: #5865f2;
  --color-tertiary-foreground: #ffffff;
  --color-tertiary-soft: #eef0ff;

  --color-success: #22c55e;
  --color-success-soft: #dcfce7;
  --color-warning: #f59e0b;
  --color-warning-soft: #fef3c7;
  --color-destructive: #e4405f;
  --color-destructive-soft: #ffebee;
  --color-info: #3b82f6;
  --color-info-soft: #dbeafe;

  /* ─── Surface Bridge ────────────────────────────────────────────────── */
  --color-surface: #ffffff;
  --color-surface-dim: #f5f5f5;
  --color-surface-bright: #ffffff;
  --color-on-surface: #1a1a1a;
  --color-on-surface-variant: #666666;
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMPONENT LAYER — IMPHNEN Design Patterns
   ═══════════════════════════════════════════════════════════════════════════ */
@layer components {
  /* ─── Glass Morphism ────────────────────────────────────────────────── */
  .im-surface {
    @apply bg-white border border-[#e0e0e0] rounded-xl;
  }

  .im-glass {
    @apply bg-white/70 backdrop-blur-sm border border-[#e0e0e0]/60 rounded-xl;
  }

  .im-glass-strong {
    @apply bg-white/85 backdrop-blur-md border border-[#e0e0e0]/80 rounded-xl shadow-sm;
  }

  /* ─── Gradient Text ─────────────────────────────────────────────────── */
  .im-gradient-text {
    @apply bg-clip-text text-transparent bg-gradient-to-r from-[#23a1eb] to-[#1877f2];
  }

  .im-gradient-text-warm {
    @apply bg-clip-text text-transparent bg-gradient-to-r from-[#23a1eb] to-[#5865f2];
  }

  /* ─── IMPHNEN Button Base ────────────────────────────────────────────── */
  .im-btn {
    @apply inline-flex items-center justify-center gap-2 font-semibold;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    letter-spacing: 0.02em;
    line-height: 20px;
    border-radius: var(--radius-lg);
    padding: 12px 24px;
    height: 44px;
    transition: background-color var(--transition-fast);
  }

  .im-btn-primary {
    @apply inline-flex items-center justify-center gap-2 font-semibold text-white;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    letter-spacing: 0.02em;
    line-height: 20px;
    border-radius: var(--radius-lg);
    padding: 12px 24px;
    height: 44px;
    transition: background-color var(--transition-fast);
    background-color: var(--primary);
  }
  .im-btn-primary:hover {
    background-color: var(--primary-hover);
  }
  .im-btn-primary:active {
    background-color: var(--primary-active);
  }

  .im-btn-secondary {
    @apply inline-flex items-center justify-center gap-2 font-semibold;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    letter-spacing: 0.02em;
    line-height: 20px;
    border-radius: var(--radius-lg);
    padding: 12px 24px;
    height: 44px;
    transition: background-color var(--transition-fast);
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--border);
  }
  .im-btn-secondary:hover {
    background-color: var(--accent);
    border-color: var(--primary);
  }

  .im-btn-ghost {
    @apply inline-flex items-center justify-center gap-2 font-semibold;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    letter-spacing: 0.02em;
    line-height: 20px;
    border-radius: var(--radius-lg);
    padding: 12px 24px;
    height: 44px;
    transition: background-color var(--transition-fast);
    background-color: transparent;
    color: var(--foreground);
  }
  .im-btn-ghost:hover {
    background-color: var(--accent);
    color: var(--primary);
  }

  /* ─── Badge / Pill ──────────────────────────────────────────────────── */
  .im-badge {
    @apply inline-flex items-center;
    border-radius: var(--radius-full);
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.03em;
    line-height: 16px;
    background-color: var(--primary-soft);
    color: var(--on-primary-container, #0d4a7a);
  }

  .im-badge-secondary {
    background-color: var(--secondary-soft);
    color: var(--on-secondary-container, #003d99);
  }

  .im-badge-tertiary {
    background-color: var(--tertiary-soft);
    color: var(--on-tertiary-container, #1a2466);
  }

  .im-badge-success {
    background-color: var(--success-soft);
    color: #166534;
  }

  .im-badge-warning {
    background-color: var(--warning-soft);
    color: #92400e;
  }

  .im-badge-destructive {
    background-color: var(--destructive-soft);
    color: var(--destructive);
  }

  /* ─── Card ──────────────────────────────────────────────────────────── */
  .im-card {
    background-color: var(--card);
    border-radius: var(--radius-xl);
    padding: var(--space-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
  }
  .im-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
  }

  /* ─── Input ─────────────────────────────────────────────────────────── */
  .im-input {
    background-color: var(--muted);
    color: var(--foreground);
    font-size: 16px;
    line-height: 24px;
    border-radius: var(--radius);
    padding: var(--space-sm);
    border: 1px solid var(--border);
    transition: border-color var(--transition-fast);
    width: 100%;
    font-family: 'Poppins', sans-serif;
  }
  .im-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    outline: none;
  }

  /* ─── Nav Link ──────────────────────────────────────────────────────── */
  .im-nav-link {
    color: var(--foreground);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 8px 12px;
    position: relative;
    transition: color var(--transition-fast);
  }
  .im-nav-link:hover {
    color: var(--primary);
  }
  .im-nav-link.active {
    color: var(--primary);
  }
  .im-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 12px;
    right: 12px;
    height: 2px;
    background-color: var(--primary);
    border-radius: 1px;
  }

  /* ─── Grid Pattern Background ───────────────────────────────────────── */
  .im-grid-pattern {
    background-image:
      linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   UTILITY LAYER ─── Animations & Effects
   ═══════════════════════════════════════════════════════════════════════════ */
@layer utilities {
  /* ─── Entry Animations ──────────────────────────────────────────────── */
  .animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out;
  }
  .animate-fade-in {
    animation: fadeIn 0.3s ease-out;
  }
  .animate-scale-in {
    animation: scaleIn 0.3s ease-out;
  }
  .animate-slide-in-right {
    animation: slideInRight 0.3s ease-out;
  }

  /* ─── Pulse & Shimmer ───────────────────────────────────────────────── */
  .animate-bar-pulse {
    animation: barPulse 0.4s ease-in-out infinite;
    transform-origin: bottom;
  }

  .animate-shimmer {
    background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.06) 0%,
      rgba(0, 0, 0, 0.02) 40%,
      rgba(0, 0, 0, 0.06) 80%,
      rgba(0, 0, 0, 0.08) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }

  /* ─── Status Indicators ─────────────────────────────────────────────── */
  .im-status-dot {
    @apply inline-block h-2 w-2 rounded-full;
  }
  .im-status-dot-success {
    @apply inline-block h-2 w-2 rounded-full bg-[#22c55e];
  }
  .im-status-dot-warning {
    @apply inline-block h-2 w-2 rounded-full bg-[#f59e0b];
  }
  .im-status-dot-error {
    @apply inline-block h-2 w-2 rounded-full bg-[#e4405f];
  }
  .im-status-dot-idle {
    @apply inline-block h-2 w-2 rounded-full bg-[#cccccc];
  }

  /* ─── Divider ───────────────────────────────────────────────────────── */
  .im-divider {
    @apply w-full border-t;
    border-color: var(--border);
  }
  .im-divider-label {
    @apply flex items-center gap-3 text-xs font-medium text-[#999999];
  }
  .im-divider-label::before,
  .im-divider-label::after {
    content: '';
    flex: 1;
    border-top: 1px solid var(--border);
  }

  /* ─── Typography Utilities ──────────────────────────────────────────── */
  .typo-display {
    font-family: 'Poppins', sans-serif;
    font-size: 60px;
    font-weight: 700;
    line-height: 68px;
    letter-spacing: -0.04em;
  }
  .typo-headline-lg {
    font-family: 'Poppins', sans-serif;
    font-size: 40px;
    font-weight: 600;
    line-height: 48px;
    letter-spacing: -0.02em;
  }
  .typo-headline-md {
    font-family: 'Poppins', sans-serif;
    font-size: 28px;
    font-weight: 600;
    line-height: 36px;
    letter-spacing: -0.01em;
  }
  .typo-title-lg {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    line-height: 28px;
  }
  .typo-body-lg {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 28px;
    letter-spacing: 0.01em;
  }
  .typo-body-md {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    letter-spacing: 0.01em;
  }
  .typo-label-md {
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    letter-spacing: 0.02em;
  }
  .typo-label-sm {
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    font-weight: 500;
    line-height: 16px;
    letter-spacing: 0.03em;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   KEYFRAMES ─── Animations
   ═══════════════════════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

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

@keyframes barPulse {
  0%, 100% { transform: scaleY(0.8); }
  50%      { transform: scaleY(1.2); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* ─── IMPHNEN Mascot Wiggle ───────────────────────────────────────────── */
@keyframes mascotWiggle {
  0%, 100% { transform: rotate(0deg); }
  15%      { transform: rotate(-8deg); }
  30%      { transform: rotate(6deg); }
  45%      { transform: rotate(-4deg); }
  60%      { transform: rotate(2deg); }
}

.animate-mascot-wiggle {
  animation: mascotWiggle 0.6s ease-in-out;
}

/* ─── IMPHNEN Notification Pulse ──────────────────────────────────────── */
@keyframes notificationPulse {
  0%   { box-shadow: 0 0 0 0 var(--primary-glow); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.animate-notification-pulse {
  animation: notificationPulse 2s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ACCESSIBILITY ─── 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;
  }
}