/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Color Palette - Dark, premium, atmospheric */
  --color-bg: #05070b;                /* Main page background (near-black) */
  --color-surface: #10131a;           /* Cards, elevated surfaces */
  --color-surface-alt: #181c25;       /* Alternate surface */

  --color-text: #f5f5f7;              /* Primary text */
  --color-text-muted: #a0a3b1;        /* Secondary text */

  --color-primary: #f0b43a;           /* Warm amber, highlight / brand */
  --color-primary-soft: #f0b43a1a;    /* Subtle background for primary */

  --color-success: #41c88a;           /* Positive / success */
  --color-success-soft: #41c88a1a;

  --color-warning: #f59e0b;           /* Warnings */
  --color-warning-soft: #f59e0b1a;

  --color-danger: #ef4444;            /* Errors / destructive */
  --color-danger-soft: #ef44441a;

  /* Neutral grays tuned for dark UI */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Poppins", "SF Pro Display", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

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

  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --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-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radii */
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-pill: 9999px;

  /* Shadows - subtle, soft glow for dark theme */
  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow-primary: 0 0 25px rgba(240, 180, 58, 0.35);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 320ms ease-out;
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  line-height: var(--leading-normal);
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  background: radial-gradient(circle at top, #151825 0, #05070b 55%, #020308 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.4rem, 5vw, var(--text-5xl));
  letter-spacing: 0.03em;
}

h2 {
  font-size: clamp(1.9rem, 3.5vw, var(--text-4xl));
}

h3 {
  font-size: clamp(1.5rem, 2.5vw, var(--text-3xl));
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

small {
  font-size: var(--text-sm);
}

a {
  position: relative;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--color-primary);
}

/* Underline reveal for interactive links */
.link-underline {
  text-decoration: none;
}

.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1em;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), #ffedc0);
  transition: width var(--transition-normal);
}

.link-underline:hover::after {
  width: 100%;
}

hr {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  margin-block: var(--space-8);
}

/* ========================================================================
   Accessibility & Motion
   ======================================================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Screen-reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================================================
   Layout Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-6);
  }
}

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.m-auto {
  margin: auto;
}

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.pt-8 { padding-top: var(--space-8); }
.pb-8 { padding-bottom: var(--space-8); }

/* ========================================================================
   Components
   ======================================================================== */
/* Buttons - primary CTAs for booking, events, poker nights */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #ffedc0);
  color: #1a1306;
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 40px rgba(240, 180, 58, 0.5);
}

.btn-outline {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(15, 23, 42, 0.85);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.6);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.9);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-icon {
  padding: 0.5rem;
  border-radius: 9999px;
}

/* Forms: inputs, selects, textareas */
.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.08), transparent 55%),
    rgba(15, 23, 42, 0.88);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal),
    transform var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(240, 180, 58, 0.5), var(--shadow-md);
  transform: translateY(-0.5px);
}

.input[disabled],
.select[disabled],
.textarea[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Card - used for event tiles, menus, poker nights, match highlights */
.card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(240, 180, 58, 0.1), transparent 55%),
    var(--color-surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(148, 163, 184, 0.18);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(240, 180, 58, 0.5);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

.card-meta {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--text-sm);
}

/* Tag / pill - for labels like "Poker Night", "Live Match" */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--color-text-muted);
  background: rgba(15, 23, 42, 0.7);
}

.tag-primary {
  border-color: rgba(240, 180, 58, 0.8);
  color: var(--color-primary);
  background: rgba(240, 180, 58, 0.06);
}

.tag-live {
  border-color: rgba(239, 68, 68, 0.8);
  color: #fecaca;
  background: rgba(127, 29, 29, 0.65);
}

/* Utility: atmospheric gradient border wrapper */
.frame-glow {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: conic-gradient(
    from 220deg,
    rgba(240, 180, 58, 0.7),
    rgba(56, 189, 248, 0.5),
    rgba(129, 140, 248, 0.4),
    rgba(240, 180, 58, 0.7)
  );
}

.frame-glow > * {
  border-radius: inherit;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.95), #020617);
}