/* style.css — Mobile-first elegant design for Fatema Tiles */

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

:root {
  --color-bg: #ffffff;
  --color-surface: #f2f2f7;
  --color-card: rgba(0, 0, 0, 0.03);
  --color-brand: #b8860b;
  --color-accent: #c44569;
  --color-text: #1c1c1e;
  --color-text-muted: #8e8e93;
  --color-success: #34c759;
  --color-selected: #e8b731;
  --color-no-match: #ff3b30;
  --tile-gap: 4px;
  --board-padding: 4px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  height: 100%;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

/* ============ Top Bar ============ */
#top-bar {
  flex-shrink: 0;
  padding: 10px 16px 8px;
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.top-bar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-brand);
  letter-spacing: 2.5px;
  text-transform: lowercase;
}

.brand-link {
  color: inherit;
  text-decoration: none;
}

.new-game-btn {
  background: rgba(184, 134, 11, 0.1);
  border: 1px solid rgba(184, 134, 11, 0.3);
  color: var(--color-brand);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.new-game-btn:active {
  background: rgba(184, 134, 11, 0.22);
  border-color: var(--color-brand);
}

/* ============ Score Bar ============ */
#score-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
}

.score-pill {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.3px;
}

.score-value {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text);
}

.score-dot {
  color: rgba(0, 0, 0, 0.15);
  font-size: 0.7rem;
}

/* ============ Theme Toast ============ */
#theme-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.78);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 1.2rem;
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 200;
  white-space: nowrap;
}
#theme-toast.visible {
  opacity: 1;
}

/* ============ Board ============ */
#board-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--board-padding);
  position: relative;
  overflow: hidden;
  min-height: 0;
}

#board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 5), 1fr);
  grid-template-rows: repeat(var(--rows, 5), 1fr);
  gap: var(--tile-gap);
  width: 100%;
  max-width: min(95vw, 500px);
  aspect-ratio: 1 / 1;
  position: relative;
  border-radius: var(--radius-md);
  overflow: visible;
  padding: 4px;
  /* Photo reveal background */
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--color-surface);
}

/* ============ Tiles ============ */
.tile {
  position: relative;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.4s ease;
  overflow: hidden;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.tile:active {
  transform: scale(0.95);
}

.tile.selected {
  box-shadow: 0 0 0 3px var(--color-selected), 0 0 14px rgba(232, 183, 49, 0.5);
  transform: scale(1.04);
  z-index: 2;
  animation: selectedPulse 1.2s ease-in-out infinite;
}

.tile.match-flash {
  animation: matchGlow 0.5s ease;
  z-index: 3;
}

.tile.no-match-flash {
  animation: noMatchShake 0.5s ease;
  z-index: 3;
}

.tile.cleared {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: opacity 0.5s ease 0.3s, transform 0.5s ease 0.3s, background 0.3s ease;
}

/* Center heart decoration tile */
.center-tile {
  pointer-events: none;
  cursor: default;
  box-shadow: none;
  animation: heartPulse 1.2s ease-in-out infinite;
}
.center-tile:active { transform: none; }

.center-tile.win-reveal {
  opacity: 0;
  transform: scale(0.3);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

@keyframes heartPulse {
  0%   { transform: scale(1); }
  15%  { transform: scale(1.12); }
  30%  { transform: scale(1); }
  45%  { transform: scale(1.08); }
  60%  { transform: scale(1); }
  100% { transform: scale(1); }
}

.tile-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Attribute layer removal animation */
.attr-layer {
  transition: opacity 0.3s ease;
}

.attr-layer.attr-removing {
  opacity: 0;
}

/* ============ Animations ============ */
@keyframes selectedPulse {
  0%, 100% {
    box-shadow: 0 0 0 3px var(--color-selected), 0 0 14px rgba(232, 183, 49, 0.5);
    transform: scale(1.04);
  }
  50% {
    box-shadow: 0 0 0 4px var(--color-selected), 0 0 22px rgba(232, 183, 49, 0.7);
    transform: scale(1.06);
  }
}

@keyframes matchGlow {
  0%   { box-shadow: 0 0 0 0 rgba(106, 177, 135, 0.8); transform: scale(1); }
  40%  { box-shadow: 0 0 0 8px rgba(106, 177, 135, 0.5); transform: scale(1.08); }
  100% { box-shadow: 0 0 0 0 rgba(106, 177, 135, 0); transform: scale(1); }
}

@keyframes noMatchShake {
  0%, 100% { transform: translateX(0); box-shadow: none; }
  10%  { transform: translateX(-5px); box-shadow: 0 0 0 3px rgba(239, 83, 80, 0.6); }
  30%  { transform: translateX(5px);  box-shadow: 0 0 0 3px rgba(239, 83, 80, 0.6); }
  50%  { transform: translateX(-4px); box-shadow: 0 0 0 2px rgba(239, 83, 80, 0.4); }
  70%  { transform: translateX(4px);  box-shadow: 0 0 0 2px rgba(239, 83, 80, 0.4); }
  90%  { transform: translateX(-2px); box-shadow: 0 0 0 1px rgba(239, 83, 80, 0.2); }
}

@keyframes tileEnter {
  from {
    opacity: 0;
    transform: scale(0.6) rotate(-5deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

.tile {
  animation: tileEnter 0.35s ease backwards;
  animation-delay: calc(var(--tile-i, 0) * 0.02s);
}

/* ============ Win Banner — between header and board ============ */
#win-banner {
  text-align: center;
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-brand);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease, padding 0.5s ease;
  padding: 0 16px;
  background: #ffffff;
}

#win-banner.visible {
  max-height: 40px;
  opacity: 1;
  padding: 8px 16px 4px;
}

/* ============ Falling Hearts — confined to header area ============ */
.falling-heart {
  position: fixed;
  top: -24px;
  z-index: 50;
  pointer-events: none;
  animation: heartFall var(--heart-dur, 2s) ease-out var(--heart-delay, 0s) forwards;
  font-size: var(--heart-size, 1rem);
}

@keyframes heartFall {
  0%   { opacity: 0; transform: translateY(0) scale(0.3) rotate(0deg); }
  12%  { opacity: 1; transform: translateY(12px) scale(1) rotate(15deg); }
  65%  { opacity: 0.7; }
  100% { opacity: 0; transform: translateY(110px) scale(0.4) rotate(40deg); }
}

/* ============ Photo Modal ============ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

.modal.visible .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 8px;
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
}

.modal-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--color-brand);
}

.modal-body {
  padding: 8px 20px 24px;
}

.modal-hint {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px;
  background: var(--color-card);
  border: 2px dashed rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 16px;
  transition: border-color var(--transition), color var(--transition);
}

.upload-btn:active {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

#photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.photo-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-thumb .delete-photo {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

#no-photos-msg {
  text-align: center;
  padding: 24px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

#no-photos-msg.hidden {
  display: none;
}

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

/* ============ Responsive — larger phones ============ */
@media (min-height: 700px) {
  :root {
    --tile-gap: 5px;
    --board-padding: 12px;
  }
  .brand {
    font-size: 1.6rem;
  }
}

/* ============ Landscape fallback ============ */
@media (orientation: landscape) and (max-height: 500px) {
  #top-bar { padding: 4px 12px 4px; }
  .brand { font-size: 1.1rem; }
  .top-bar-row { margin-bottom: 2px; }
  #score-bar { gap: 6px; }
  .score-pill { font-size: 0.65rem; }
  .score-value { font-size: 0.75rem; }
  :root { --tile-gap: 3px; --board-padding: 6px; }
}

/* ============ Voice Note Button ============ */
.voice-note-btn {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 20;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: white;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(196, 69, 105, 0.5), 0 0 0 0 rgba(196, 69, 105, 0.4);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.voice-note-btn.visible {
  opacity: 1;
  transform: scale(1);
  animation: voice-pulse 2s ease-in-out infinite;
}

.voice-note-btn.playing {
  background: var(--color-success);
  box-shadow: 0 4px 16px rgba(52, 199, 89, 0.5);
  animation: none;
}

.voice-note-btn:active {
  transform: scale(0.9);
}

@keyframes voice-pulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(196, 69, 105, 0.5), 0 0 0 0 rgba(196, 69, 105, 0.4); }
  50% { box-shadow: 0 4px 16px rgba(196, 69, 105, 0.5), 0 0 0 12px rgba(196, 69, 105, 0); }
}