/* ========================================
   boardgAIme — 6-theme board game bar app
   ======================================== */

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

/* === THEME: TAVERN (default/home) === */
:root,
:root[data-theme="tavern"] {
  --bg-primary: #120c06;
  --bg-secondary: #1e150d;
  --bg-card: #2a1e12;
  --bg-card-hover: #362818;
  --text-primary: #f0e6d3;
  --text-secondary: #b89e78;
  --accent-primary: #d4a447;
  --accent-secondary: #8b5e34;
  --accent-glow: rgba(212, 164, 71, 0.3);
  --border-color: #4a3520;
  --msg-user-bg: #3a2818;
  --msg-assistant-bg: #221810;
  --input-bg: #1e150d;
  --input-border: #4a3520;
  --btn-bg: #d4a447;
  --btn-text: #120c06;
  --btn-hover: #e0b85a;
  --font-heading: 'Cinzel', serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: none;
  --transition-speed: 0.35s;
}

/* === THEME: STRATEGY / WAR ROOM === */
:root[data-theme="strategy"] {
  --bg-primary: #080f08;
  --bg-secondary: #0f1a0f;
  --bg-card: #162016;
  --bg-card-hover: #1e2e1e;
  --text-primary: #d4e0c8;
  --text-secondary: #8aa67a;
  --accent-primary: #c9a84c;
  --accent-secondary: #4a7a3a;
  --accent-glow: rgba(201, 168, 76, 0.25);
  --border-color: #2a4a2a;
  --msg-user-bg: #1a2e1a;
  --msg-assistant-bg: #0f1a0f;
  --input-bg: #0f1a0f;
  --input-border: #2a4a2a;
  --btn-bg: #c9a84c;
  --btn-text: #080f08;
  --btn-hover: #d9b85c;
  --font-heading: 'Cinzel', serif;
  --radius: 4px;
  --radius-lg: 6px;
  --shadow-card: 0 2px 16px rgba(0,0,0,0.5);
  --shadow-glow: inset 0 1px 0 rgba(201,168,76,0.1);
}

/* === THEME: PARTY / NEON DISCO === */
:root[data-theme="party"] {
  --bg-primary: #0a0012;
  --bg-secondary: #14002a;
  --bg-card: #200040;
  --bg-card-hover: #2e0060;
  --text-primary: #ffffff;
  --text-secondary: #d0b0ff;
  --accent-primary: #ff00ff;
  --accent-secondary: #00ffff;
  --accent-glow: rgba(255, 0, 255, 0.35);
  --border-color: #4a0080;
  --msg-user-bg: #280050;
  --msg-assistant-bg: #180030;
  --input-bg: #14002a;
  --input-border: rgba(255, 0, 255, 0.3);
  --btn-bg: #ff00ff;
  --btn-text: #0a0012;
  --btn-hover: #ff44ff;
  --font-heading: 'Inter', system-ui, sans-serif;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow-card: 0 0 30px rgba(255, 0, 255, 0.15), 0 0 60px rgba(0, 255, 255, 0.08);
  --shadow-glow: 0 0 20px rgba(255, 0, 255, 0.25);
}

/* === THEME: FAMILY / COZY LIVING ROOM === */
:root[data-theme="family"] {
  --bg-primary: #faf5ec;
  --bg-secondary: #f0e8d8;
  --bg-card: #ffffff;
  --bg-card-hover: #fff5e6;
  --text-primary: #2d2418;
  --text-secondary: #7a6a52;
  --accent-primary: #e07830;
  --accent-secondary: #5a8a4a;
  --accent-glow: rgba(224, 120, 48, 0.2);
  --border-color: #e0d4c0;
  --msg-user-bg: #fde8d0;
  --msg-assistant-bg: #f5efe5;
  --input-bg: #ffffff;
  --input-border: #d4c4a8;
  --btn-bg: #e07830;
  --btn-text: #ffffff;
  --btn-hover: #f08a40;
  --font-heading: 'Nunito', sans-serif;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-glow: none;
}

/* === THEME: COOPERATIVE / SPACE STATION === */
:root[data-theme="cooperative"] {
  --bg-primary: #030308;
  --bg-secondary: #08081a;
  --bg-card: #0e0e2a;
  --bg-card-hover: #161640;
  --text-primary: #c8d0f0;
  --text-secondary: #6a70a0;
  --accent-primary: #00aaff;
  --accent-secondary: #ff6a00;
  --accent-glow: rgba(0, 170, 255, 0.3);
  --border-color: #1a1a50;
  --msg-user-bg: #101035;
  --msg-assistant-bg: #08081a;
  --input-bg: #08081a;
  --input-border: rgba(0, 170, 255, 0.3);
  --btn-bg: #00aaff;
  --btn-text: #030308;
  --btn-hover: #22bbff;
  --font-heading: 'Orbitron', sans-serif;
  --radius: 4px;
  --radius-lg: 6px;
  --shadow-card: 0 0 20px rgba(0, 170, 255, 0.08), 0 4px 16px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 15px rgba(0, 170, 255, 0.15);
}

/* === THEME: CARD GAMES / CASINO LOUNGE === */
:root[data-theme="card-games"] {
  --bg-primary: #100808;
  --bg-secondary: #1e1010;
  --bg-card: #2e1616;
  --bg-card-hover: #3e1e1e;
  --text-primary: #f0e0d0;
  --text-secondary: #c4a090;
  --accent-primary: #d4a440;
  --accent-secondary: #c83030;
  --accent-glow: rgba(212, 164, 64, 0.25);
  --border-color: #4a2020;
  --msg-user-bg: #351a1a;
  --msg-assistant-bg: #1e1010;
  --input-bg: #1e1010;
  --input-border: rgba(212, 164, 64, 0.3);
  --btn-bg: #d4a440;
  --btn-text: #100808;
  --btn-hover: #e0b450;
  --font-heading: 'Playfair Display', serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-glow: none;
}

/* === BASE LAYOUT === */
html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  transition:
    background-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

/* === VIEWS === */
.view {
  display: none;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.view--active {
  display: flex;
}

/* === HEADER === */
.header {
  padding: 2rem 1.5rem 1rem;
  text-align: center;
  flex-shrink: 0;
}

.header__nav {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 0.5rem;
}

.header__tagline {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 0.5rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  transition: color var(--transition-speed) ease;
}

.logo--small {
  font-size: 1.5rem;
}

.logo__ai {
  color: var(--accent-primary);
  transition: color var(--transition-speed) ease;
}

/* === CONTAINERS === */
.container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem 2rem;
}

/* === GENRE HEADER === */
.genre-header {
  text-align: center;
  margin-bottom: 2rem;
}

.genre-header__title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-primary);
  transition: color var(--transition-speed) ease, font-family var(--transition-speed) ease;
}

.genre-header__subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 0.25rem;
}

/* === GRID === */
.grid {
  display: grid;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.grid--genres {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid--games {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* === CARDS === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  cursor: pointer;
  text-align: left;
  transition:
    background var(--transition-speed) ease,
    border-color var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease,
    transform 0.2s ease;
  box-shadow: var(--shadow-card);
  font-family: inherit;
  color: inherit;
  width: 100%;
}

.card:hover, .card:focus-visible {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), 0 0 0 1px var(--accent-primary);
  outline: none;
}

.card__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
  transition: font-family var(--transition-speed) ease;
}

.card__desc,
.card__tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.card__count {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card__meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* === BUTTONS === */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition:
    background var(--transition-speed) ease,
    color var(--transition-speed) ease,
    transform 0.15s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn--back {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.btn--back:hover {
  color: var(--accent-primary);
}

.btn--new {
  background: var(--bg-card);
  color: var(--accent-primary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

.btn--new:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.btn--send {
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  min-width: 72px;
  min-height: 48px;
}

.btn--send:hover {
  background: var(--btn-hover);
}

.btn--send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === CHAT LAYOUT === */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  transition: background var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.chat-header__info {
  text-align: center;
  flex: 1;
}

.chat-header__logo {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.chat-header__game {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
  transition: color var(--transition-speed) ease, font-family var(--transition-speed) ease;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-input-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
  transition: background var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.chat-input {
  flex: 1;
  background: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  resize: none;
  outline: none;
  min-height: 48px;
  transition:
    background var(--transition-speed) ease,
    border-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.chat-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

/* === MESSAGES === */
.message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: msgIn 0.25s ease-out;
}

.message--user {
  align-self: flex-end;
}

.message--assistant {
  align-self: flex-start;
}

.message__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  padding: 0 0.5rem;
}

.message--user .message__label {
  text-align: right;
}

.message__bubble {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  line-height: 1.6;
  font-size: 0.95rem;
  word-wrap: break-word;
  transition:
    background var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.message--user .message__bubble {
  background: var(--msg-user-bg);
  border-bottom-right-radius: 4px;
}

.message--assistant .message__bubble {
  background: var(--msg-assistant-bg);
  border-bottom-left-radius: 4px;
}

.message__bubble--error {
  border: 1px solid var(--accent-secondary);
  opacity: 0.8;
}

.message__bubble h2,
.message__bubble h3,
.message__bubble h4 {
  font-family: var(--font-heading);
  color: var(--accent-primary);
  margin: 0.75rem 0 0.35rem;
  transition: color var(--transition-speed) ease, font-family var(--transition-speed) ease;
}

.message__bubble h2 { font-size: 1.15rem; }
.message__bubble h3 { font-size: 1.05rem; }
.message__bubble h4 { font-size: 0.95rem; }

.message__bubble h2:first-child,
.message__bubble h3:first-child,
.message__bubble h4:first-child {
  margin-top: 0;
}

.message__bubble p {
  margin: 0.4rem 0;
}

.message__bubble ul {
  margin: 0.4rem 0;
  padding-left: 1.25rem;
}

.message__bubble li {
  margin: 0.2rem 0;
}

.message__bubble strong {
  color: var(--accent-primary);
}

.message__bubble code {
  background: rgba(255,255,255,0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.typing-indicator {
  color: var(--text-secondary);
  font-style: italic;
  animation: pulse 1.5s ease-in-out infinite;
}

/* === FOOTER === */
.footer {
  text-align: center;
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* === ANIMATIONS === */
@keyframes msgIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* === THEME-SPECIFIC DECORATIONS === */

/* Party: neon glow on cards */
:root[data-theme="party"] .card:hover {
  box-shadow:
    0 0 30px rgba(255, 0, 255, 0.3),
    0 0 60px rgba(0, 255, 255, 0.15),
    0 0 0 1px var(--accent-primary);
}

:root[data-theme="party"] .card__title {
  background: linear-gradient(135deg, #ff00ff, #00ffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

:root[data-theme="party"] .logo__ai {
  background: linear-gradient(135deg, #ff00ff, #00ffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Party: animated gradient bg */
:root[data-theme="party"] body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,0,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,255,255,0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(255,0,255,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Cooperative: star field */
:root[data-theme="cooperative"] body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 40% 10%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 55% 70%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 65% 30%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 75% 80%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 85% 15%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 15% 85%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 90% 55%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 35% 60%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 50% 25%, rgba(0,170,255,0.5), transparent),
    radial-gradient(1px 1px at 70% 50%, rgba(0,170,255,0.3), transparent);
  pointer-events: none;
  z-index: 0;
  animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.5; }
  to { opacity: 1; }
}

/* Cooperative: holographic border on cards */
:root[data-theme="cooperative"] .card:hover {
  border-color: var(--accent-primary);
  box-shadow:
    0 0 20px rgba(0, 170, 255, 0.2),
    0 0 40px rgba(0, 170, 255, 0.08),
    inset 0 1px 0 rgba(0, 170, 255, 0.1);
}

/* Casino: gold shimmer on card titles */
:root[data-theme="card-games"] .card__title {
  background: linear-gradient(135deg, #d4a440, #f0d080, #d4a440);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

:root[data-theme="card-games"] .card:hover {
  box-shadow:
    0 4px 20px rgba(0,0,0,0.4),
    0 0 0 1px rgba(212,164,64,0.4);
}

/* Strategy: military corner accents */
:root[data-theme="strategy"] .card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-top: 2px solid var(--accent-primary);
  border-left: 2px solid var(--accent-primary);
  opacity: 0.4;
  transition: opacity 0.2s;
}

:root[data-theme="strategy"] .card {
  position: relative;
}

:root[data-theme="strategy"] .card:hover::before {
  opacity: 0.8;
}

/* Family: warm shadow on hover */
:root[data-theme="family"] .card:hover {
  box-shadow:
    0 8px 30px rgba(224, 120, 48, 0.12),
    0 2px 8px rgba(0,0,0,0.05);
}

:root[data-theme="family"] .message__bubble strong {
  color: #c06020;
}

/* All themes: ensure views sit above pseudo-elements */
.view { position: relative; z-index: 1; }

/* === SCROLLBAR STYLING === */
.chat-messages::-webkit-scrollbar,
.container::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track,
.container::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb,
.container::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .logo { font-size: 2.2rem; }
  .header { padding: 1.5rem 1rem 0.75rem; }
  .container { padding: 0.75rem 1rem 1.5rem; }
  .grid--genres { grid-template-columns: 1fr; }
  .grid--games { grid-template-columns: 1fr; }
  .card { padding: 1.25rem; }
  .card__icon { font-size: 2rem; }
  .card__title { font-size: 1.2rem; }
  .genre-header__title { font-size: 1.6rem; }
  .message { max-width: 92%; }
  .chat-header { padding: 0.5rem 0.75rem; }
  .chat-header__game { font-size: 1rem; }
  .chat-input-bar { padding: 0.5rem 0.75rem; }
}

@media (min-width: 601px) and (max-width: 900px) {
  .grid--genres { grid-template-columns: repeat(2, 1fr); }
  .grid--games { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 901px) {
  .grid--genres { grid-template-columns: repeat(3, 1fr); }
  .grid--games { grid-template-columns: repeat(3, 1fr); }
  .header { padding: 3rem 2rem 1.5rem; }
  .logo { font-size: 3.5rem; }
}