/* ========================================
   COMPONENTS — Buttons, Glass, Inputs, Nav, Modals, Settings
   Card Game Minimal Edition
   ======================================== */

/* ===== BUTTONS ===== */
.btn {
  border: none;
  border-radius: var(--radius);
  padding: 16px 24px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.btn:active { transform: scale(0.97); }
.btn.disabled, .btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}
.btn-primary {
  background: var(--accent-1);
  color: white;
  box-shadow: 0 2px 8px var(--accent-1-glow);
}
.btn-primary:hover { box-shadow: 0 4px 16px var(--accent-1-glow); }
.btn-secondary {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
}
.btn-secondary:hover { background: var(--surface-hover); }
.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 14px;
}
.btn-sm { padding: 10px 16px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-icon {
  width: 44px; height: 44px; padding: 0;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  box-shadow: var(--card-shadow);
}
.btn-icon:active { transform: scale(0.93); }
.btn-share {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 14px 20px;
  border-radius: var(--radius);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  box-shadow: var(--card-shadow);
}
.btn-share:active { transform: scale(0.97); }

/* ===== GLASS CARD — now physical card ===== */
.glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

/* ===== INPUTS ===== */
.auth-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 16px;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s;
  text-align: center;
  box-shadow: var(--card-inner-glow);
}
.auth-input:focus { border-color: var(--accent-1); }
.auth-input::placeholder { color: var(--text-dim); }
.auth-error {
  color: #ef4444;
  font-size: 12px;
  min-height: 18px;
  margin-top: 6px;
}

/* ===== LINK BOX ===== */
.link-box {
  width: 100%;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}
.link-box .link-text {
  flex: 1;
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: monospace;
}
.link-box .copy-btn {
  background: var(--accent-1);
  border: none;
  color: white;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Syne', sans-serif;
  transition: all 0.2s;
}
.link-box .copy-btn:active { transform: scale(0.95); }

/* ===== SHARE BUTTONS ===== */
.share-row {
  display: flex;
  gap: 12px;
  width: 100%;
  justify-content: center;
}
.share-btn {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  font-size: 24px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  box-shadow: var(--card-shadow);
}
.share-btn:active { transform: scale(0.9); }

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector {
  position: relative;
  display: inline-flex;
  justify-content: center;
  margin-top: 24px;
}
.lang-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-mid);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s ease;
}
.lang-pill:hover {
  border-color: var(--accent-1-border);
  background: var(--accent-1-bg);
}
.lang-pill .lang-flag {
  font-size: 16px;
  line-height: 1;
}
.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  transform: translateX(-50%) translateY(-4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  z-index: 100;
}
.lang-selector.open .lang-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.lang-dropdown-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  border: none;
  background: none;
  color: var(--text-mid);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: background 0.15s ease;
  white-space: nowrap;
}
.lang-dropdown-item:hover {
  background: var(--accent-1-bg);
}
.lang-dropdown-item .lang-flag {
  font-size: 16px;
  line-height: 1;
}

/* ===== TOP BAR ===== */
.top-bar {
  padding: 60px 24px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.top-bar h2 { font-size: 18px; letter-spacing: -0.5px; }

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  position: sticky;
  bottom: 0;
  width: 100%;
  margin-top: auto;
  background: var(--nav-bg);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-top: 1px solid var(--border);
  display: flex;
  padding: 10px 0 env(safe-area-inset-bottom, 20px);
  z-index: 60;
  flex-shrink: 0;
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  cursor: pointer;
  transition: all 0.2s;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.nav-item .nav-icon { font-size: 22px; }
.nav-item.active { color: var(--accent-1); }

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-bg);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  padding: 24px;
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}
.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: scale(0.9);
  transition: transform 0.3s;
  box-shadow: var(--card-shadow-lg);
}
.modal-overlay.show .modal-box { transform: scale(1); }
.modal-box h3 { font-size: 18px; }
.modal-box p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
  position: relative;
  box-shadow: var(--card-shadow);
}
.theme-toggle:active { transform: scale(0.9); }
.theme-toggle .icon-sun,
.theme-toggle .icon-moon { transition: all 0.3s; position: absolute; }
.theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }

/* ===== SETTINGS PANEL ===== */
.settings-panel {
  position: fixed;
  bottom: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
  background: var(--card-bg);
  border-top: 1px solid var(--card-border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px 24px 40px;
  z-index: 80;
  transition: bottom 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
}
.settings-panel.open { bottom: 0; }
.settings-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 75;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.settings-backdrop.open {
  opacity: 1;
  pointer-events: all;
}
.settings-handle {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  margin: 0 auto 20px;
}
.settings-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  margin-bottom: 12px;
}
.theme-mode-row {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.theme-mode-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.theme-mode-btn:active { transform: scale(0.96); }
.theme-mode-btn.active {
  border-color: var(--accent-1);
  background: var(--accent-1-bg);
}
.accent-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.accent-swatch {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.accent-swatch:active { transform: scale(0.9); }
.accent-swatch.active {
  border-color: var(--text);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--text-dim);
}
.accent-swatch .swatch-inner {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex;
  overflow: hidden;
}
.accent-swatch .swatch-inner .half { flex: 1; }
.accent-swatch .check {
  position: absolute;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s;
}
.accent-swatch.active .check { opacity: 1; }

/* ===== CONFETTI ===== */
.confetti-container {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 200;
  overflow: hidden;
}
.confetti-piece {
  position: absolute;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  top: -20px;
  animation: confettiFall linear forwards;
}

/* ===== SHARED BADGE STYLES ===== */
.badge-hot {
  background: var(--accent-1);
  color: #fff;
}
.badge-new {
  background: rgba(132,204,22,0.12);
  color: var(--lime);
  border: 1px solid rgba(132,204,22,0.2);
}
.badge-popular {
  background: rgba(6,182,212,0.1);
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.2);
}
.badge-trending {
  background: var(--accent-1);
  color: #fff;
}