/* ==========================================================================
   Flagle — Daily World Flag Deduction Game
   ========================================================================== */

:root {
  --bg-color: #faf9f6;
  --bg-card: #ffffff;
  --text-main: #1c1917;
  --text-muted: #78716c;
  --border-color: #d6d3d1;
  --tile-bg: #292524;
  --tile-text: #f5f5f4;
  
  --color-success: #2d6a4f;
  --color-warm: #d97706;
  --color-cold: #78716c;
  
  --key-bg: #e7e5e4;
  --key-text: #1c1917;
  --input-bg: #ffffff;
  --dropdown-bg: #ffffff;
  --dropdown-hover: #f5f5f4;

  --modal-overlay: rgba(0, 0, 0, 0.45);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", monospace;
}

[data-theme="dark"] {
  --bg-color: #141416;
  --bg-card: #1c1c1f;
  --text-main: #f5f5f4;
  --text-muted: #a8a29e;
  --border-color: #29292e;
  --tile-bg: #1e1e22;
  --tile-text: #f5f5f4;
  
  --color-success: #52b788;
  --color-warm: #f59e0b;
  --color-cold: #3a3a3c;
  
  --key-bg: #29292e;
  --key-text: #f5f5f4;
  --input-bg: #1c1c1f;
  --dropdown-bg: #1c1c1f;
  --dropdown-hover: #29292e;

  --modal-overlay: rgba(0, 0, 0, 0.7);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Header */
.app-header {
  width: 100%;
  max-width: 520px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  border-bottom: 1px solid var(--border-color);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.2s;
}

.back-link:hover {
  color: var(--text-main);
  background: var(--key-bg);
}

.header-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-left: 0.5rem;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.icon-btn:hover {
  color: var(--text-main);
  background: var(--key-bg);
}

.mode-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border-radius: 12px;
  background: var(--key-bg);
  color: var(--text-muted);
  cursor: pointer;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.mode-badge:hover {
  color: var(--text-main);
}

/* Main Container */
.game-container {
  width: 100%;
  max-width: 480px;
  padding: 1.25rem 1rem 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

/* Flag Stage */
.flag-stage {
  position: relative;
  width: 100%;
  max-width: 380px;
  height: 240px;
  aspect-ratio: 3 / 2;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-color);
  background: #f0efe9;
}

.flag-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Reveal Grid (6 Tiles: 2x3) */
.tile-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2px;
  background: rgba(0, 0, 0, 0.15);
}

.flag-tile {
  background: var(--tile-bg);
  color: var(--tile-text);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  transition: opacity 0.4s ease, transform 0.4s ease;
  user-select: none;
}

.flag-tile.revealed {
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
}

/* Input Area */
.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
}

.input-row {
  display: flex;
  gap: 6px;
  width: 100%;
}

.country-input {
  flex: 1;
  padding: 12px 14px;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s;
}

.country-input:focus {
  border-color: var(--color-success);
}

.guess-btn {
  padding: 0 18px;
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--color-success);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.guess-btn:hover {
  opacity: 0.9;
}

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

/* Suggestions Dropdown */
.suggestions-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--dropdown-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  max-height: 210px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  display: none;
}

.suggestion-item {
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.15s;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover, .suggestion-item.active {
  background: var(--dropdown-hover);
}

/* Guesses List */
.guesses-list {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guess-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.9rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  0% { opacity: 0; transform: translateY(-8px); }
  100% { opacity: 1; transform: translateY(0); }
}

.guess-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.guess-metrics {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.distance-tag {
  color: var(--text-muted);
}

.arrow-tag {
  font-size: 1.15rem;
}

.proximity-badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 700;
  color: #ffffff;
  background: var(--color-cold);
}

.proximity-badge.warm {
  background: var(--color-warm);
}

.proximity-badge.exact {
  background: var(--color-success);
}

/* Modals & Confetti */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--modal-overlay);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 1rem;
}

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

.modal {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 440px;
  padding: 1.75rem;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.share-btn {
  width: 100%;
  margin-top: 1.25rem;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-success);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}