/* ==========================================================================
   main.css - Core Tokens, Base Styles, Typography, and Themes
   Luis R Diaz Beutel - Personal Music Album Review Blog
   ========================================================================== */

:root {
  /* Dark Theme (Default) */
  --bg-primary: #0e1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: rgba(22, 27, 34, 0.85);
  --bg-card-hover: rgba(33, 38, 45, 0.95);
  --bg-glass: rgba(14, 17, 23, 0.75);
  --bg-modal-overlay: rgba(5, 7, 10, 0.82);

  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --text-accent: #f9c74f;

  --border-subtle: rgba(240, 246, 252, 0.08);
  --border-card: rgba(240, 246, 252, 0.12);
  --border-focus: #f9c74f;

  --accent-gold: #f9c74f;
  --accent-gold-glow: rgba(249, 199, 79, 0.25);
  --accent-orange: #f8961e;
  --accent-red: #f94144;
  --accent-teal: #43aa8b;
  --accent-blue: #4cc9f0;
  --accent-purple: #9d4edd;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-vinyl: -10px 0 25px rgba(0, 0, 0, 0.7);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-thought: 'Lora', Georgia, 'Times New Roman', serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 1280px;
}

[data-theme="light"] {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f3f5;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(248, 249, 250, 0.85);
  --bg-modal-overlay: rgba(15, 23, 42, 0.65);

  --text-primary: #1a1e24;
  --text-secondary: #5c6773;
  --text-muted: #8c96a3;
  --text-accent: #d97706;

  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-card: rgba(0, 0, 0, 0.08);
  --border-focus: #d97706;

  --accent-gold: #d97706;
  --accent-gold-glow: rgba(217, 119, 6, 0.2);
  --accent-orange: #ea580c;
  --accent-red: #dc2626;
  --accent-teal: #0d9488;
  --accent-blue: #0284c7;
  --accent-purple: #7e22ce;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-vinyl: -8px 0 20px rgba(0, 0, 0, 0.2);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

/* Container Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Star Rating System Tokens */
.star-rating {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  color: var(--accent-gold);
  font-size: 1.15rem;
  line-height: 1;
}

.star-rating .star-full,
.star-rating .star-half {
  color: var(--accent-gold);
  filter: drop-shadow(0 1px 4px var(--accent-gold-glow));
}

.star-rating .star-empty {
  color: var(--text-muted);
  opacity: 0.4;
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  background: rgba(249, 199, 79, 0.12);
  color: var(--accent-gold);
  border: 1px solid rgba(249, 199, 79, 0.3);
  letter-spacing: 0.02em;
}

.badge-masterpiece {
  background: rgba(249, 199, 79, 0.18);
  color: #ffd166;
  border-color: rgba(249, 199, 79, 0.5);
  box-shadow: 0 0 12px rgba(249, 199, 79, 0.2);
}

.badge-outstanding {
  background: rgba(67, 170, 139, 0.15);
  color: #52b788;
  border-color: rgba(67, 170, 139, 0.4);
}

.badge-excellent {
  background: rgba(76, 201, 240, 0.15);
  color: #48cae4;
  border-color: rgba(76, 201, 240, 0.4);
}

.badge-great {
  background: rgba(157, 78, 221, 0.15);
  color: #c77dff;
  border-color: rgba(157, 78, 221, 0.4);
}

.badge-good {
  background: rgba(248, 150, 30, 0.15);
  color: #f77f00;
  border-color: rgba(248, 150, 30, 0.4);
}

/* Vinyl Grooves Graphic Animation */
.vinyl-disc {
  position: absolute;
  width: 90%;
  height: 90%;
  top: 5%;
  right: -25%;
  border-radius: 50%;
  background: radial-gradient(circle, #2a2a2a 0%, #151515 25%, #080808 60%, #000000 100%);
  box-shadow: var(--shadow-vinyl);
  z-index: 1;
  transition: transform var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vinyl-disc::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle at center,
    transparent 0,
    transparent 4px,
    rgba(255, 255, 255, 0.04) 5px,
    transparent 6px
  );
}

.vinyl-label {
  width: 34%;
  height: 34%;
  border-radius: 50%;
  background: var(--accent-gold);
  border: 3px solid #111;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.vinyl-label-hole {
  width: 22%;
  height: 22%;
  border-radius: 50%;
  background: #0e1117;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Spinning Animation */
@keyframes spinVinyl {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinning {
  animation: spinVinyl 12s linear infinite;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Utility Classes */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}