:root {
  /* Color Palette */
  --color-bg: #050608;
  --color-bg-elevated: #0e1116;
  --color-bg-soft: #181c24;
  --color-text: #f5f5f7;
  --color-text-muted: #a0a4b5;
  --color-primary: #e63971; /* Vibrant accent for nightlife */
  --color-primary-soft: rgba(230, 57, 113, 0.16);
  --color-success: #20c997;
  --color-warning: #fbbf24;
  --color-danger: #ef4444;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Poppins", "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: 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-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: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing Scale (px) */
  --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 */

  /* Radius */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.75rem;   /* 12px */
  --radius-lg: 1rem;      /* 16px */
  --radius-full: 999px;

  /* Shadows (subtle glow for nightlife) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-strong: 0 24px 60px rgba(0, 0, 0, 0.75);
  --shadow-glow-primary: 0 0 24px rgba(230, 57, 113, 0.55);

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

  --focus-ring-color: rgba(230, 57, 113, 0.75);
  --focus-ring-width: 2px;
  --focus-ring-offset: 3px;
}

/* ===================================
   RESET & NORMALIZE
   =================================== */

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

html,
body,
#root {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul {
  list-style: none !important;
}

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;
  margin: 0;
}

textarea {
  resize: vertical;
}

/* Remove default link underline for nav-like links; we will style later */
a {
  color: inherit;
  text-decoration: none;
}

/* ===================================
   BASE STYLES
   =================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #181824 0, #050608 60%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

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

strong,
b {
  font-weight: 600;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

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

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

h5 {
  font-size: var(--font-size-lg);
}

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

a {
  cursor: pointer;
  transition: color var(--transition-normal),
              opacity var(--transition-fast),
              text-shadow var(--transition-fast);
}

a:hover {
  text-shadow: 0 0 12px rgba(230, 57, 113, 0.7);
}

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

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

::selection {
  background: var(--color-primary);
  color: #ffffff;
}

/* ===================================
   ACCESSIBILITY & MOTION
   =================================== */

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

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !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-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1280px) {
  .container {
    max-width: 1320px;
  }
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section--dense {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

/* 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-column {
  display: flex;
  flex-direction: column;
}

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

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

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

/* Utility spacing (minimal set) */

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

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

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

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* ===================================
   COMPONENTS: BUTTONS
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  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, #e63971, #f97316);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

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

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.7);
  backdrop-filter: blur(10px);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-primary);
  background: rgba(15, 23, 42, 0.7);
}

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

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-full);
}

/* ===================================
   COMPONENTS: FORM ELEMENTS
   =================================== */

.input,
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.4);
  background-color: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              background-color var(--transition-fast);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-gray-500);
}

.input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(230, 57, 113, 0.6);
  background-color: rgba(15, 23, 42, 0.98);
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-300);
}

.form-row {
  display: grid;
  gap: var(--space-4);
}

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

/* ===================================
   COMPONENTS: CARD / SURFACES
   =================================== */

.card {
  background: radial-gradient(circle at top left, rgba(230, 57, 113, 0.08), transparent 55%),
              linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.98));
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.35);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(248, 113, 113, 0.15), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.card:hover::before {
  opacity: 1;
}

.card-header {
  margin-bottom: var(--space-4);
}

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

.card-subtitle {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

.card-body {
  color: var(--color-text-muted);
}

/* Specialized surface for hero or poker/event highlights */
.surface-glass {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(9, 9, 11, 0.92));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.45);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-strong);
}

/* ===================================
   NAVIGATION / TAGS (GENERIC)
   =================================== */

.nav-link {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #e63971, #f97316);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray-200);
}

.tag--accent {
  border-color: rgba(230, 57, 113, 0.8);
  color: var(--color-primary);
  background: rgba(230, 57, 113, 0.08);
}

/* ===================================
   NIGHTLIFE / THEME UTILS (GENERIC)
   =================================== */

.text-primary {
  color: var(--color-primary) !important;
}

.text-muted {
  color: var(--color-text-muted) !important;
}

.bg-soft {
  background-color: var(--color-bg-soft);
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.badge-status::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--color-success);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.8);
}

.badge-status--warning::before {
  background: var(--color-warning);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.8);
}

.badge-status--danger::before {
  background: var(--color-danger);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.8);
}

/* ===================================
   MEDIA QUERIES (TYPO TUNING)
   =================================== */

@media (max-width: 640px) {
  h1 {
    letter-spacing: 0.02em;
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
}