/* =========================================================
   Castle of Dragons - Base Styles
   Shared base stylesheet for all pages
   ========================================================= */

/* =========================================================
   1. CSS Custom Properties (Variables)
   ========================================================= */
:root {
  /* Color Palette - Fantasy Dark Theme */
  --color-bg: #050509; /* deep obsidian */
  --color-bg-elevated: #0b0911; /* panels / sections */
  --color-bg-muted: #14111c;
  --color-surface: #1a1424;

  --color-text: #f5f0ff;
  --color-text-muted: #b5a8c9;
  --color-text-subtle: #8b7ba0;

  --color-primary: #c01b3c; /* blood crimson */
  --color-primary-soft: rgba(192, 27, 60, 0.15);
  --color-primary-dark: #7d0e26;
  --color-primary-glow: 0 0 18px rgba(192, 27, 60, 0.75);

  --color-accent-gold: #d6a150; /* antique gold */
  --color-accent-gold-soft: rgba(214, 161, 80, 0.18);

  --color-success: #35c48a;
  --color-warning: #ffb34d;
  --color-danger: #ff4b5c;

  /* Neutral Grays (cool / smoky) */
  --gray-50: #f7f7fb;
  --gray-100: #e2e2f0;
  --gray-200: #c7c7dd;
  --gray-300: #a4a4c2;
  --gray-400: #8282a4;
  --gray-500: #626284;
  --gray-600: #4b4b6a;
  --gray-700: #35354c;
  --gray-800: #212135;
  --gray-900: #141421;

  /* Overlay & borders */
  --color-overlay: rgba(5, 5, 9, 0.85);
  --color-border-subtle: rgba(255, 255, 255, 0.05);
  --color-border-strong: rgba(255, 255, 255, 0.12);

  /* Typography */
  --font-heading: 'Cinzel', 'Trajan Pro', 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;

  --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: 1.2;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing Scale (0–24 = 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-7: 1.75rem;  /* 28px */
  --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: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  /* Shadows (with subtle fantasy glow) */
  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.6);
  --shadow-elevated: 0 18px 55px rgba(0, 0, 0, 0.85);
  --shadow-glow-primary: 0 0 18px rgba(192, 27, 60, 0.6);
  --shadow-glow-gold: 0 0 18px rgba(214, 161, 80, 0.6);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --layout-max-width: 1200px;
  --layout-max-width-wide: 1440px;
  --layout-gutter: var(--space-4);

  /* Z-index scale */
  --z-base: 1;
  --z-header: 20;
  --z-overlay: 40;
  --z-modal: 50;
}

/* Prefer reduced motion: keep transitions but soften them */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 40ms linear;
    --transition-slow: 60ms linear;
  }

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

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

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

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

body {
  min-height: 100vh;
}

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

img,
video {
  height: auto;
}

picture {
  display: contents;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

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

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

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

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

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

/* =========================================================
   3. Base Styles
   ========================================================= */
body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #1f101c 0, #050509 55%, #010104 100%);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

/* Headings - cinematic fantasy style */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fdf7e7;
}

h1 {
  font-size: clamp(2.25rem, 3.4vw, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.875rem, 3vw, 2.25rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  margin-bottom: var(--space-3);
}

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

h5 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

h6 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

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

strong,
b {
  font-weight: 600;
}

small {
  font-size: 0.875em;
}

code,
pre {
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular,
    Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

/* Links - glowing fantasy accent */
a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: color var(--transition-base),
    text-shadow var(--transition-base),
    opacity var(--transition-fast);
}

a:hover {
  color: #ffe0a0;
  text-shadow: 0 0 10px rgba(214, 161, 80, 0.55);
}

a:active {
  opacity: 0.85;
}

/* Focus styles (accessibility & fantasy outline) */
:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

/* Selection */
::selection {
  background: rgba(192, 27, 60, 0.65);
  color: #fffaf0;
}

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

/* Centered responsive container */
.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);
}

.container-wide {
  width: 100%;
  max-width: var(--layout-max-width-wide);
  margin-inline: auto;
  padding-inline: var(--layout-gutter);
}

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

.section--alt {
  background: radial-gradient(circle at top left, rgba(192, 27, 60, 0.12), transparent 60%),
    radial-gradient(circle at bottom right, rgba(214, 161, 80, 0.08), transparent 55%),
    var(--color-bg-elevated);
}

/* 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-2);
}

.gap-sm {
  gap: var(--space-3);
}

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

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

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

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

/* Utility spacing (minimal set for layout) */
.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-2) !important; }
.mt-sm { margin-top: var(--space-3) !important; }
.mt-md { margin-top: var(--space-4) !important; }
.mt-lg { margin-top: var(--space-6) !important; }
.mt-xl { margin-top: var(--space-10) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-2) !important; }
.mb-sm { margin-bottom: var(--space-3) !important; }
.mb-md { margin-bottom: var(--space-4) !important; }
.mb-lg { margin-bottom: var(--space-6) !important; }
.mb-xl { margin-bottom: var(--space-10) !important; }

.pt-section { padding-top: var(--space-10) !important; }
.pb-section { padding-bottom: var(--space-10) !important; }

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

/* 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;
}

/* =========================================================
   5. Form Elements & Inputs
   ========================================================= */

input[type='text'],
input[type='email'],
input[type='password'],
input[type='search'],
input[type='tel'],
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: radial-gradient(circle at top, rgba(214, 161, 80, 0.03), transparent 55%),
    #050509;
  color: var(--color-text);
  font-size: var(--font-size-base);
  line-height: 1.4;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-fast);
}

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

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

select {
  cursor: pointer;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-accent-gold);
  box-shadow:
    0 0 0 1px rgba(214, 161, 80, 0.7),
    0 0 12px rgba(214, 161, 80, 0.55);
  transform: translateY(-1px);
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray-100);
}

/* =========================================================
   6. Buttons (Primary UI for game actions)
   ========================================================= */

.btn {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-dark);
  --btn-color: #fffaf2;
  --btn-border: rgba(255, 255, 255, 0.15);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;

  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-border);

  background: radial-gradient(circle at 10% 0, rgba(255, 255, 255, 0.22), transparent 60%),
    radial-gradient(circle at 100% 0, rgba(192, 27, 60, 0.9), transparent 60%),
    var(--btn-bg);
  color: var(--btn-color);

  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9), var(--shadow-glow-primary);
  transform: translateY(0);

  transition:
    background var(--transition-slow),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    filter var(--transition-fast),
    opacity var(--transition-fast);
}

.btn:hover {
  background: radial-gradient(circle at 10% 0, rgba(255, 255, 255, 0.3), transparent 65%),
    radial-gradient(circle at 100% 0, rgba(214, 161, 80, 0.9), transparent 60%),
    var(--btn-bg-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.95), var(--shadow-glow-gold);
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.9);
  opacity: 0.95;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

.btn--secondary {
  --btn-bg: linear-gradient(135deg, #14111c, #1f1b2b);
  --btn-bg-hover: linear-gradient(135deg, #1f1b2b, #292438);
  --btn-color: var(--gray-50);
  --btn-border: rgba(214, 161, 80, 0.35);

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(255, 255, 255, 0.02);
  --btn-color: var(--gray-100);
  --btn-border: rgba(214, 161, 80, 0.35);

  box-shadow: none;
}

.btn--sm {
  padding: 0.45rem 1.1rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 0.9rem 2rem;
  font-size: var(--font-size-md);
}

.btn[disabled],
.btn.btn--disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.7);
  transform: none;
}

/* =========================================================
   7. Card Component (for sections like "Klasy postaci", "Porady")
   ========================================================= */

.card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(192, 27, 60, 0.12), transparent 55%),
    radial-gradient(circle at bottom right, rgba(214, 161, 80, 0.08), transparent 55%),
    linear-gradient(145deg, #050509, #120e19);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-slow);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(192, 27, 60, 0.13), transparent 40%),
    radial-gradient(circle at 120% 0, rgba(214, 161, 80, 0.12), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(214, 161, 80, 0.4);
}

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

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

.card__subtitle {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-2);
}

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

/* Variant for darker / lore-heavy panels */
.card--dark {
  background: radial-gradient(circle at top, rgba(192, 27, 60, 0.18), transparent 60%),
    #050509;
}

/* =========================================================
   8. Misc. Utilities for the Castle of Dragons style
   ========================================================= */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(214, 161, 80, 0.45);
  background: radial-gradient(circle at top, rgba(214, 161, 80, 0.22), transparent 60%),
    rgba(5, 5, 9, 0.9);
  color: #fff4da;
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge--danger {
  border-color: rgba(192, 27, 60, 0.7);
  background: radial-gradient(circle at top, rgba(192, 27, 60, 0.35), transparent 60%),
    rgba(5, 5, 9, 0.95);
}

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

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

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

.bg-dark-panel {
  background: var(--color-bg-elevated);
}

/* Cinematic page edge gradient for long pages */
.page-gradient-top {
  position: fixed;
  inset: 0 0 auto 0;
  height: 160px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent);
  z-index: var(--z-base);
}

.page-gradient-bottom {
  position: fixed;
  inset: auto 0 0 0;
  height: 140px;
  pointer-events: none;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  z-index: var(--z-base);
}

/* =========================================================
   9. Accessibility helpers
   ========================================================= */

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-pill);
  background: #050509;
  color: #fffbe8;
  border: 1px solid rgba(214, 161, 80, 0.8);
  transform: translateY(-200%);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  z-index: var(--z-header);
  opacity: 0;
}

.skip-link:focus-visible {
  transform: translateY(0);
  opacity: 1;
}

[aria-busy='true'] {
  cursor: progress;
}

[aria-disabled='true'] {
  pointer-events: none;
}

/* =========================================================
   End of base.css
   ========================================================= */