/* ==========================================================================
   Aurora Venue Club – Base Styles
   --------------------------------------------------------------------------
   Global design system & reset for auroravenueclub.com
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables (Design Tokens)
   ========================================================================== */
:root {
  /* Colors */
  --color-bg-body: #050509;
  --color-bg-elevated: #101018;
  --color-bg-overlay: rgba(5, 5, 12, 0.9);

  --color-text: #f7f7fb;
  --color-text-muted: #a5a7bc;
  --color-text-soft: #8b8da3;

  --color-primary: #35d0ff; /* aurora blue */
  --color-primary-soft: rgba(53, 208, 255, 0.16);
  --color-primary-strong: #00b0ff;

  --color-accent-emerald: #1fe29a;
  --color-accent-violet: #a84dff;
  --color-accent-gold: #f5c76a;

  --color-success: #41d38b;
  --color-warning: #ffb74d;
  --color-danger: #ff5370;

  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --color-glass: rgba(9, 9, 18, 0.72);
  --color-glass-soft: rgba(15, 15, 28, 0.6);

  /* Neutral gray scale (on dark) */
  --gray-50: #f9fafb;
  --gray-100: #e5e7eb;
  --gray-200: #d1d5db;
  --gray-300: #9ca3af;
  --gray-400: #6b7280;
  --gray-500: #4b5563;
  --gray-600: #374151;
  --gray-700: #1f2933;
  --gray-800: #111827;
  --gray-900: #020617;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", "Segoe UI", sans-serif;
  --font-display: "Playfair Display", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --font-size-xs: 0.75rem;  /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem;   /* 16px */
  --font-size-md: 1.0625rem;/* 17px */
  --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 */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-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-xs: 0.25rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-pill: 999px;

  /* Shadows / glows */
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.55);
  --shadow-strong: 0 24px 80px rgba(0, 0, 0, 0.85);
  --shadow-gold-glow: 0 0 0 1px rgba(245, 199, 106, 0.4), 0 0 24px rgba(245, 199, 106, 0.45);
  --shadow-aurora-glow: 0 0 0 1px rgba(53, 208, 255, 0.4), 0 0 32px rgba(168, 77, 255, 0.4);

  /* Glass / blur */
  --backdrop-blur-soft: 14px;
  --backdrop-blur-strong: 24px;

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

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: 1.25rem;

  /* Focus ring */
  --focus-ring-color: rgba(53, 208, 255, 0.9);
  --focus-ring-offset: 2px;
  --focus-ring-width: 2px;
}

@media (min-width: 1024px) {
  :root {
    --font-size-3xl: 2.25rem;
    --font-size-4xl: 3rem;
    --font-size-5xl: 3.5rem;
    --container-padding-x: 1.5rem;
  }
}

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

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

body,
 h1, h2, h3, h4, h5, h6,
 p, figure, blockquote,
 dl, dd,
 ul, ol,
 fieldset,
 pre {
  margin: 0;
}

ul, ol {
  padding-left: 1.25rem;
}

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
}

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

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

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

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

/* Remove default focus outlines, will re-add accessibly below */
:focus {
  outline: none;
}

/* ==========================================================================
   3. Base Styles
   ========================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--line-height-tight);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

small {
  font-size: var(--font-size-xs);
}

code,
pre,
kbd {
  font-family: var(--font-mono);
}

/* Links */
a {
  position: relative;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  opacity: 0.9;
}

/* Basic selection */
::selection {
  background: rgba(53, 208, 255, 0.3);
  color: var(--color-text);
}

/* ==========================================================================
   4. Utilities
   ========================================================================== */

/* Layout container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

/* Simple responsive section spacing */
.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

/* Flex helpers */
.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;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.justify-center {
  justify-content: center;
}

.gap-xs { gap: var(--space-1); }
.gap-sm { gap: var(--space-2); }
.gap-md { gap: var(--space-3); }
.gap-lg { gap: var(--space-4); }
.gap-xl { gap: var(--space-6); }

/* Grid helpers */
.grid {
  display: grid;
}

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

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

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

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

/* Text alignment */
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Width helpers */
.w-full { width: 100%; }

/* Screen-reader only */
.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;
}

/* Aurora / glow utility backgrounds */
.bg-aurora-gradient {
  background-image: radial-gradient(circle at 0% 0%, rgba(31, 226, 154, 0.16), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(168, 77, 255, 0.22), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(53, 208, 255, 0.16), transparent 50%);
}

.border-subtle {
  border: 1px solid var(--color-border-subtle);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   5. Components
   ========================================================================== */

/* 5.1 Buttons */
.btn {
  --btn-bg: linear-gradient(135deg, var(--color-accent-emerald), var(--color-primary));
  --btn-bg-hover: linear-gradient(135deg, var(--color-primary-strong), var(--color-accent-violet));

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-image: var(--btn-bg);
  color: #050509;
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-aurora-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-image var(--transition-fast), opacity var(--transition-fast);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.5), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0;
  transform: translateX(-30%);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  background-image: var(--btn-bg-hover);
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 0 0 1px rgba(53, 208, 255, 0.6), 0 18px 40px rgba(0, 0, 0, 0.9);
}

.btn:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.btn:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.9);
}

.btn--ghost {
  --btn-bg: rgba(10, 10, 24, 0.75);
  --btn-bg-hover: rgba(18, 18, 36, 0.95);

  background-image: none;
  background-color: var(--btn-bg);
  color: var(--color-text);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.btn--ghost:hover {
  background-color: var(--btn-bg-hover);
  box-shadow: var(--shadow-soft);
}

.btn--sm {
  padding: 0.6rem 1.2rem;
  font-size: var(--font-size-xs);
}

.btn--full {
  width: 100%;
}

.btn[disabled],
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

/* 5.2 Form elements */
.label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(8, 8, 20, 0.92);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-soft);
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  border-color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(53, 208, 255, 0.8);
  background-color: rgba(10, 10, 24, 0.98);
  transform: translateY(-1px);
}

textarea.textarea {
  min-height: 140px;
  resize: vertical;
}

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

/* 5.3 Card component (glass look) */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(11, 11, 24, 0.94));
  background-color: var(--color-glass);
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-soft);
  padding: var(--space-5);
  color: var(--color-text);
  overflow: hidden;
  backdrop-filter: blur(var(--backdrop-blur-soft));
  -webkit-backdrop-filter: blur(var(--backdrop-blur-soft));
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 0 0, rgba(31, 226, 154, 0.22), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(53, 208, 255, 0.2), transparent 60%);
  opacity: 0.3;
  mix-blend-mode: screen;
  pointer-events: none;
}

.card__content {
  position: relative;
  z-index: 1;
}

.card--alt {
  background: linear-gradient(145deg, rgba(10, 10, 24, 0.9), rgba(15, 8, 28, 0.95));
}

/* Accent stripe variant (e.g., for offer tiles) */
.card--accented {
  border-image: linear-gradient(135deg, var(--color-accent-emerald), var(--color-accent-violet)) 1;
}

.card--accented::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-emerald), var(--color-primary), var(--color-accent-violet));
  opacity: 0.9;
}

/* 5.4 Tag / chip (for poker limits, event type, etc.) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(12, 12, 28, 0.7);
  color: var(--color-text-soft);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--gold {
  border-color: rgba(245, 199, 106, 0.7);
  color: var(--color-accent-gold);
}

.badge--primary {
  border-color: rgba(53, 208, 255, 0.7);
  color: var(--color-primary);
}

/* ==========================================================================
   6. Accessibility & Motion
   ========================================================================== */

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

button:focus-visible,
[role="button"]:focus-visible,
.btn:focus-visible,
.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible,
 a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 1px rgba(5, 5, 9, 0.9), 0 0 0 3px var(--focus-ring-color);
  border-radius: inherit;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}