/* ============================================================
   MEGA OUTLET — Design System Variables & Reset
   Premium dark-theme e-commerce design system
   ============================================================ */

/* ── Google Fonts ────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Custom Properties ───────────────────────────────────── */
:root {
  /* ─ Color Palette ─ */
  --color-bg-main:        #0a0a0f;
  --color-bg-surface:     #12121a;
  --color-bg-elevated:    #1a1a2e;
  --color-bg-hover:       #1f1f35;
  --color-bg-input:       #15151f;

  --color-primary:        #2d7ff9;
  --color-primary-light:  #5a9dff;
  --color-primary-dark:   #1a5ec4;
  --color-primary-glow:   rgba(45, 127, 249, 0.35);
  --color-primary-subtle: rgba(45, 127, 249, 0.10);

  --color-secondary:      #00e676;
  --color-secondary-dark: #00c864;
  --color-secondary-glow: rgba(0, 230, 118, 0.30);

  --color-danger:         #ff4444;
  --color-danger-glow:    rgba(255, 68, 68, 0.25);

  --color-warning:        #ffc107;
  --color-warning-glow:   rgba(255, 193, 7, 0.20);

  --color-text-primary:   #f0f0f0;
  --color-text-secondary: #c0c0d0;
  --color-text-muted:     #8a8a9a;
  --color-text-disabled:  #555568;

  --color-border:         #1e1e2e;
  --color-border-hover:   #2d7ff9;
  --color-border-subtle:  rgba(255, 255, 255, 0.04);

  --color-white:          #ffffff;
  --color-black:          #000000;

  /* ─ Gradients ─ */
  --gradient-primary:     linear-gradient(135deg, #2d7ff9 0%, #7c3aed 100%);
  --gradient-primary-h:   linear-gradient(135deg, #5a9dff 0%, #9b5de5 100%);
  --gradient-cta:         linear-gradient(135deg, #00e676 0%, #00c853 100%);
  --gradient-cta-hover:   linear-gradient(135deg, #33ff99 0%, #00e676 100%);
  --gradient-danger:      linear-gradient(135deg, #ff4444 0%, #ff6b35 100%);
  --gradient-banner:      linear-gradient(135deg, #1a1a2e 0%, #0f0f23 40%, #1a0a2e 100%);
  --gradient-surface:     linear-gradient(180deg, var(--color-bg-surface) 0%, var(--color-bg-main) 100%);
  --gradient-glass:       linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  --gradient-top-bar:     linear-gradient(90deg, #2d7ff9 0%, #7c3aed 50%, #2d7ff9 100%);

  /* ─ Shadows ─ */
  --shadow-sm:    0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:    0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg:    0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-xl:    0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow:  0 0 20px var(--color-primary-glow);
  --shadow-glow-green: 0 0 20px var(--color-secondary-glow);
  --shadow-glow-danger: 0 0 15px var(--color-danger-glow);
  --shadow-card:  0 2px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--color-border);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--color-primary), 0 0 24px var(--color-primary-glow);

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

  --fs-xs:    0.6875rem;   /* 11px */
  --fs-sm:    0.75rem;     /* 12px */
  --fs-base:  0.875rem;    /* 14px */
  --fs-md:    1rem;        /* 16px */
  --fs-lg:    1.125rem;    /* 18px */
  --fs-xl:    1.25rem;     /* 20px */
  --fs-2xl:   1.5rem;      /* 24px */
  --fs-3xl:   1.875rem;    /* 30px */
  --fs-4xl:   2.25rem;     /* 36px */
  --fs-5xl:   3rem;        /* 48px */

  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;
  --fw-black:     900;

  --lh-tight:   1.2;
  --lh-normal:  1.5;
  --lh-relaxed: 1.7;

  --ls-tight:  -0.02em;
  --ls-normal:  0;
  --ls-wide:    0.04em;
  --ls-wider:   0.08em;

  /* ─ Spacing ─ */
  --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-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */

  /* ─ Border Radius ─ */
  --radius-xs:   4px;
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  20px;
  --radius-full: 9999px;

  /* ─ Transitions ─ */
  --transition-fast:    0.15s ease;
  --transition-base:    0.3s ease;
  --transition-smooth:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce:  0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-spring:  0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* ─ Z-index layers ─ */
  --z-dropdown:   100;
  --z-sticky:     200;
  --z-overlay:    300;
  --z-modal:      400;
  --z-toast:      500;
  --z-tooltip:    600;

  /* ─ Layout ─ */
  --container-max:   1280px;
  --container-wide:  1440px;
  --header-height:   64px;
  --top-bar-height:  36px;
  --sidebar-width:   280px;
}

/* ── Dark-specific scrollbar ─────────────────────────────── */
:root {
  --scrollbar-track: var(--color-bg-main);
  --scrollbar-thumb: var(--color-bg-elevated);
  --scrollbar-thumb-hover: var(--color-primary-dark);
}

/* ============================================================
   CSS RESET — Modern Opinionated Reset
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  line-height: var(--lh-normal);
  font-family: var(--font-family);
  font-weight: var(--fw-regular);
  color: var(--color-text-primary);
  background-color: var(--color-bg-main);
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  overflow-wrap: break-word;
}

p {
  overflow-wrap: break-word;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ── Custom Scrollbar ────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* ── Selection ───────────────────────────────────────────── */
::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.08); }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 4px var(--color-primary-glow);
  }
  50% {
    box-shadow: 0 0 18px var(--color-primary-glow), 0 0 40px rgba(45, 127, 249, 0.15);
  }
}

@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.15); }
}

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

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

@keyframes borderGlow {
  0%, 100% {
    border-color: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary-glow);
  }
  50% {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 20px var(--color-primary-glow);
  }
}

@keyframes countdownPulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100%) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(100%) scale(0.9);
  }
}

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

@keyframes progressBar {
  from { width: 0; }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes bounceIn {
  0%   { transform: scale(0); opacity: 0; }
  50%  { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes slideInBottom {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}