/* ==========================================================================
   Winterliches Adventskalender Styling
   ========================================================================== */

:root {
  --bg-deep: #070d1e;
  --bg-dark: #0d1b38;
  --bg-card: rgba(16, 29, 58, 0.75);
  --bg-card-hover: rgba(25, 45, 88, 0.85);
  --bg-modal: rgba(7, 13, 30, 0.95);

  --accent-gold: #f6c86b;
  --accent-gold-glow: rgba(246, 200, 107, 0.4);
  --accent-red: #c93b3b;
  --accent-green: #2d6a4f;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-gold: #fde047;

  --border-gold: rgba(246, 200, 107, 0.35);
  --border-soft: rgba(255, 255, 255, 0.12);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --font-serif: "Cinzel", "Playfair Display", "Georgia", serif;
  --font-festive: "Mountains of Christmas", "Caveat", cursive, sans-serif;
  --font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Reset & Basics */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(ellipse at top, #15254a 0%, var(--bg-deep) 100%);
  color: var(--text-main);
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom, 24px);
}

body.modal-open {
  overflow: hidden;
}

/* Canvas für Schneefall im Hintergrund */
#snow-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

.app-wrapper {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Vorschau-Banner */
.preview-banner {
  background: linear-gradient(90deg, #d97706, #b45309);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.4);
}

.preview-banner button {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.8rem;
}

/* Header */
.app-header {
  text-align: center;
  padding: 24px 8px 32px;
  position: relative;
}

.header-controls {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 12px;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-soft);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.icon-btn:hover, .icon-btn:active {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-gold);
}

.icon-btn.inactive {
  opacity: 0.5;
}

.header-star {
  font-size: 2rem;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 10px var(--accent-gold));
  animation: pulse-glow 3s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px var(--accent-gold)); }
  50% { transform: scale(1.1); filter: drop-shadow(0 0 16px var(--accent-gold)); }
}

.app-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 0 20px rgba(246, 200, 107, 0.3);
  margin-bottom: 8px;
  cursor: default;
}

.app-subtitle {
  color: var(--text-muted);
  font-size: clamp(0.95rem, 3vw, 1.15rem);
  font-weight: 300;
  max-width: 480px;
  margin: 0 auto;
}

/* Kalender Gitter (24 Türchen) */
.doors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

@media (min-width: 480px) {
  .doors-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

@media (min-width: 768px) {
  .doors-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 18px;
  }
}

/* Einzelne Türchen-Karte */
.door-card {
  position: relative;
  aspect-ratio: 1 / 1.15;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  color: var(--text-main);
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

.door-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.door-card:active {
  transform: scale(0.97);
}

/* Status: Freigeschaltet */
.door-card.unlocked {
  background: linear-gradient(145deg, rgba(25, 45, 90, 0.85) 0%, rgba(12, 23, 48, 0.85) 100%);
  border-color: var(--border-gold);
}

.door-card.unlocked:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 6px 20px var(--accent-gold-glow);
}

/* Status: Heutiges Türchen */
.door-card.today {
  border: 2px solid var(--accent-gold);
  box-shadow: 0 0 20px var(--accent-gold-glow);
  animation: border-breathe 2.5s infinite alternate ease-in-out;
}

@keyframes border-breathe {
  0% { box-shadow: 0 0 10px rgba(246, 200, 107, 0.3); }
  100% { box-shadow: 0 0 25px rgba(246, 200, 107, 0.7); }
}

.door-badge-today {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--accent-gold);
  color: #1a1a1a;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 2px 5px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

/* Status: Noch verschlossen */
.door-card.locked {
  opacity: 0.65;
  background: rgba(10, 18, 35, 0.5);
  border-style: dashed;
}

.door-card.locked:hover {
  opacity: 0.85;
}

/* Status: Schon angehört */
.door-card.listened {
  border-color: rgba(246, 200, 107, 0.6);
}

.door-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
}

.door-number {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
}

.door-card.locked .door-number {
  color: var(--text-muted);
}

.door-icon {
  font-size: clamp(1.2rem, 3.5vw, 1.7rem);
  margin: 2px 0;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}

.door-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 90%;
}

.door-card.unlocked .door-title {
  color: #cbd5e1;
}

.door-status-icon {
  height: 16px;
  font-size: 0.8rem;
}

/* 24. Dezember Besonderheit */
.door-card[data-day="24"] {
  background: linear-gradient(145deg, rgba(80, 20, 30, 0.85) 0%, rgba(35, 10, 15, 0.85) 100%);
  border-color: rgba(246, 200, 107, 0.7);
}

/* ==========================================================================
   Detail-Modal (Fullscreen auf Mobilgeräten)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 20, 0.85);
  backdrop-filter: blur(14px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-sheet {
  background: var(--bg-modal);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px var(--accent-gold-glow);
  padding: 24px 20px;
}

@media (max-width: 480px) {
  .modal-backdrop {
    padding: 0;
  }
  .modal-sheet {
    max-width: 100%;
    height: 100%;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
    display: flex;
    flex-direction: column;
    padding: calc(env(safe-area-inset-top, 20px) + 12px) 20px 24px;
  }
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-soft);
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}

/* Gesperrte Ansicht (Locked Screen) */
.locked-container {
  text-align: center;
  padding: 20px 10px;
  margin: auto 0;
}

.locked-icon-large {
  font-size: 4rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.2));
  animation: lock-wobble 4s infinite ease-in-out;
}

@keyframes lock-wobble {
  0%, 80%, 100% { transform: rotate(0deg); }
  85% { transform: rotate(-8deg); }
  90% { transform: rotate(8deg); }
  95% { transform: rotate(-4deg); }
}

.locked-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.locked-desc {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Countdown Anzeige */
.countdown-box {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.countdown-segment {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-width: 62px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.countdown-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-soft);
  color: var(--text-main);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent-gold);
}

/* Footer & Druck-Link */
.app-footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px 8px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-link {
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(246, 200, 107, 0.1);
  border: 1px solid var(--border-gold);
  transition: all 0.2s;
}

.footer-link:hover {
  background: rgba(246, 200, 107, 0.2);
  transform: translateY(-1px);
}