:root {
  --primary-color: #0b7355;
  --primary-hover: #085a42;
  --accent-color: #d4af37;
  --bg-color: #f7faf9;
  --card-bg: #ffffff;
  --text-main: #2d3748;
  --text-muted: #718096;
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --item-active-bg: #edfcf5;
  --badge-bg: #e6fffa;
  --notice-bg: #f0fdf4;
  --notice-border: #bbf7d0;
  --header-offset: 75px; /* ফিক্সড হেডারের উচ্চতা অনুযায়ী অফসেট */
}

/* ডার্ক মুড ভেরিয়েবল */
body.dark-mode, [data-theme="dark"] {
  --primary-color: #10b981;
  --primary-hover: #059669;
  --accent-color: #fbbf24;
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --item-active-bg: #132e27;
  --badge-bg: #064e3b;
  --notice-bg: #142921;
  --notice-border: #065f46;
}

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

/* ফুটারকে ফুল-উইডথ (১০০%) করার জন্য বডিতে কোনো প্যাডিং থাকবে না */
body {
  font-family: 'Hind Siliguri', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  padding: 0;
  margin: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* মূল কন্টেইনার - হেডারে ঢাকা রোধে মার্জিন-টপ দেওয়া হয়েছে */
.quran-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--header-offset) 16px 20px 16px;
}

.player-header {
  text-align: center;
  margin-bottom: 24px;
}

.player-header h1 {
  color: var(--primary-color);
  font-size: 1.85rem;
  font-weight: 700;
}

.player-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* স্টিকি প্লেয়ার কার্ড */
.main-player-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: calc(var(--header-offset) + 5px);
  z-index: 90;
  border: 1px solid var(--border-color);
  transition: background-color 0.3s, border-color 0.3s;
}

.now-playing-info {
  text-align: center;
  margin-bottom: 16px;
}

.arabic-title {
  font-family: 'Amiri', serif;
  font-size: 2.1rem;
  color: var(--primary-color);
  display: block;
  line-height: 1.2;
}

.now-playing-info h2 {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-top: 4px;
}

.verse-count {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.timeline-container {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 15px;
}

#seek-bar {
  flex-grow: 1;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.control-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.ctrl-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
  transition: transform 0.1s;
}

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

.main-play {
  background: var(--primary-color);
  color: #ffffff;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(11, 115, 85, 0.3);
}

.main-play:hover {
  background: var(--primary-hover);
}

.utility-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.reciter-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
  font-size: 0.95rem;
}

.reciter-wrapper select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-main);
  font-family: inherit;
  outline: none;
}

.download-action-btn {
  background-color: #2b6cb0;
  color: #ffffff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: background 0.2s;
}

.download-action-btn:hover {
  background-color: #2c5282;
}

.download-status-bar {
  font-size: 0.85rem;
  color: var(--primary-color);
  text-align: center;
  margin-top: 8px;
}

/* সূরা তালিকা ও সার্চ বক্স */
.surah-list-wrapper {
  margin-top: 25px;
}

#search-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-main);
  margin-bottom: 16px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

#search-input:focus {
  border-color: var(--primary-color);
}

.surah-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.surah-item {
  background: var(--card-bg);
  padding: 12px 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.surah-item:hover, .surah-item.active {
  border-color: var(--primary-color);
  background-color: var(--item-active-bg);
}

.surah-item .number-badge {
  background: var(--badge-bg);
  color: var(--primary-color);
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-right: 10px;
}

.surah-item .arabic-text {
  font-family: 'Amiri', serif;
  font-size: 1.25rem;
  color: var(--text-muted);
}

/* অডিও ডিসক্লেইমার কার্ড */
.audio-notice-card {
  max-width: 800px;
  margin: 30px auto 20px auto;
  padding: 14px 18px;
  background-color: var(--notice-bg);
  border: 1px solid var(--notice-border);
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.85rem;
  line-height: 1.5;
}

.audio-notice-card strong {
  color: var(--primary-color);
  }