/* ========================================
   Variables
   ======================================== */
:root {
  /* Color palette */
  --color-background: #060814;
  --color-surface: #0c1020;
  --color-surface-alt: #13172a;
  --color-text: #f5f7ff;
  --color-text-muted: #b4b8d4;
  --color-border-subtle: #22263a;

  --color-primary: #ff3b6a; /* energetic, event-focused accent */
  --color-primary-soft: rgba(255, 59, 106, 0.1);
  --color-primary-strong: #ff174f;

  --color-success: #2ecc71;
  --color-warning: #f1c40f;
  --color-danger: #e74c3c;

  /* Neutral grays for flexible use */
  --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", "Roboto", "Segoe UI", sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Roboto", "Segoe UI", sans-serif;

  --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 */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --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 */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-medium: 0 16px 40px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 24px 72px rgba(0, 0, 0, 0.6);

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

  /* Layout */
  --layout-max-width: 1120px;
  --layout-gutter: var(--space-4);
}

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

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

body {
  min-height: 100vh;
}

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

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

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

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

html {
  scroll-behavior: smooth;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================
   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-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1 {
  font-size: clamp(2.25rem, 2.6vw + 1.6rem, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 2vw + 1.2rem, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.4rem, 1.4vw + 1rem, 1.75rem);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

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

strong {
  font-weight: 600;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-fast);
}

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

/* ========================================
   Accessibility & Focus
   ======================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* 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: var(--layout-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-gutter);
  padding-right: var(--layout-gutter);
}

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

.section--tight {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* 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;
}

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

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

/* Simple grid */
.grid {
  display: grid;
  gap: var(--space-4);
}

.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: 1fr;
  }
}

/* Alignment helpers */
.text-center {
  text-align: center;
}

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

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

/* ========================================
   Components
   ======================================== */

/* Buttons - primary CTAs for reservations and offers */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    border-color var(--transition-base);
}

.btn-primary {
  background: radial-gradient(circle at 0% 0%, #ff7a9a 0, var(--color-primary) 40%, var(--color-primary-strong) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-subtle);
}

.btn-secondary:hover {
  background-color: var(--color-surface-alt);
}

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

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

.btn:disabled,
.btn[aria-disabled='true'] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

/* Inputs & form controls */
.input,
.select,
.textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

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

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 0 0 1px var(--color-primary);
}

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

.label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.field-hint {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--gray-400);
}

.field-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Cards - for event types, corporate offers, poker experiences */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: radial-gradient(circle at top left, rgba(255, 59, 106, 0.08), transparent 40%),
              linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  background-color: var(--color-surface);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card--subtle {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  box-shadow: none;
}

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

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

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-400);
}

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

/* Offerwall shell - homepage interactive element */
.offerwall-shell {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: radial-gradient(circle at top, rgba(6, 8, 20, 0.9), rgba(0, 0, 0, 0.96));
  backdrop-filter: blur(14px);
  z-index: 50;
}

.offerwall-panel {
  width: 100%;
  max-width: 1080px;
  max-height: 90vh;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at top left, rgba(255, 59, 106, 0.2), transparent 55%),
              linear-gradient(165deg, rgba(12, 16, 32, 0.98), rgba(6, 8, 20, 0.98));
  box-shadow: var(--shadow-strong);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.offerwall-header {
  padding: var(--space-4) var(--space-6) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.offerwall-title {
  font-size: var(--font-size-2xl);
  letter-spacing: -0.03em;
}

.offerwall-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.offerwall-close {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 7, 18, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast);
}

.offerwall-close:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  transform: translateY(-1px);
}

.offerwall-body {
  padding: 0 var(--space-6) var(--space-5);
  overflow-y: auto;
}

.offerwall-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: var(--space-6);
}

@media (max-width: 960px) {
  .offerwall-panel {
    max-height: 100vh;
    border-radius: var(--radius-lg);
  }

  .offerwall-header {
    padding-inline: var(--space-4);
  }

  .offerwall-body {
    padding-inline: var(--space-4);
  }

  .offerwall-grid {
    grid-template-columns: 1fr;
  }
}

/* Tag pills for categories: firemní akce, oslavy, poker večery */
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
}

.tag-pill--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* Badges for availability / status */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--gray-200);
}

.badge--success {
  background-color: rgba(46, 204, 113, 0.16);
  color: var(--color-success);
}

.badge--warning {
  background-color: rgba(241, 196, 15, 0.16);
  color: var(--color-warning);
}

.badge--danger {
  background-color: rgba(231, 76, 60, 0.16);
  color: var(--color-danger);
}

/* ========================================
   Misc helpers for poker / event visuals
   ======================================== */

.chip-stack {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.chip-stack::before,
.chip-stack::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  margin-right: -4px;
}

.chip-stack::before {
  border-color: var(--color-primary);
}

.chip-stack::after {
  border-color: #52ffa8;
}

.glow-ring {
  position: relative;
}

.glow-ring::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.24);
  opacity: 0.35;
  pointer-events: none;
}

/* End of base.css */