/* ============ Shared Layout - corpus.quran.com inspired ============ */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden;max-width:100vw}
body{font-family:Arial,Helvetica,sans-serif;background:#f3f4f6;color:#222;line-height:1.5}

/* Sidebar (dark, fixed left) */
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:#2c3e50;color:#ecf0f1;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;transition:transform .25s}
.sidebar-brand{padding:18px 18px 12px;border-bottom:1px solid #1f2d3a}
.sidebar-brand h1{font-size:17px;margin:0;color:#fff;font-weight:bold;letter-spacing:.3px}
.sidebar-brand .sub{font-size:11px;color:#95a5a6;margin-top:3px;display:block}
.sidebar-arabic{padding:14px 18px;text-align:center;background:#233140;border-bottom:1px solid #1f2d3a;font-family:'Scheherazade New','Amiri',serif;font-size:22px;color:#f1c40f;direction:rtl}
.sidebar-nav{padding:8px 0}
.sidebar-nav .group{font-size:10px;text-transform:uppercase;letter-spacing:1.2px;color:#7f8c9b;padding:14px 18px 6px;font-weight:bold}
.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 18px;color:#bdc3c7;text-decoration:none;font-size:14px;border-left:3px solid transparent;transition:background .12s,color .12s,border-color .12s}
.sidebar-nav a:hover{background:#34495e;color:#fff;border-left-color:#3498db}
.sidebar-nav a.active{background:#34495e;color:#fff;border-left-color:#1abc9c;font-weight:bold}
.sidebar-nav a .ico{width:18px;text-align:center;font-size:15px;opacity:.9}
.sidebar-footer{padding:14px 18px;font-size:11px;color:#7f8c9b;border-top:1px solid #1f2d3a;margin-top:10px}
.sidebar-footer a{color:#3498db}

/* Main content */
.main{flex:1;min-width:0;padding:24px 28px;max-width:1100px}
.topbar{display:none;background:#2c3e50;color:#fff;padding:10px 14px;align-items:center;gap:12px;position:sticky;top:0;z-index:20}
.menu-btn{background:transparent;color:#fff;border:1px solid #4a6378;padding:6px 10px;border-radius:5px;font-size:18px;cursor:pointer;line-height:1}
.topbar h2{font-size:15px;margin:0;font-weight:bold}
.scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:30}

h1.page-title{font-size:24px;margin:0 0 6px;color:#1a1a1a;font-weight:bold}
p.page-sub{color:#666;font-size:13px;margin:0 0 22px}

.card{background:#fff;border:1px solid #e0e3e8;border-radius:10px;padding:16px 18px;margin-bottom:18px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.card h2{font-size:16px;margin:0 0 12px;color:#1a73e8;display:flex;align-items:center;gap:8px}
.card h2::before{content:"";display:inline-block;width:5px;height:18px;background:#1abc9c;border-radius:3px}

.notice{background:#fff8e1;border:1px solid #f0c040;color:#5a4500;font-size:13px;padding:8px 14px;border-radius:6px;margin-bottom:18px;text-align:center}
.notice a{color:#1a73e8;font-weight:bold;text-decoration:none}

.btn{padding:9px 16px;font-size:14px;font-weight:bold;border:none;border-radius:6px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background .15s,transform .05s;text-decoration:none;display:inline-block}
.btn:active{transform:scale(.97)}
.btn-primary{background:#1abc9c;color:#fff}
.btn-primary:hover{background:#16a085}
.btn-ghost{background:#eef1f6;color:#333}
.btn-ghost:hover{background:#dde2ea}
.btn-sm{padding:5px 10px;font-size:12px}

a{color:#1a73e8;text-decoration:none}
a:hover{text-decoration:underline}

/* Ayat card (shared) */
.ayat-card{background:#fff;border:1px solid #e0e3e8;border-radius:8px;padding:12px 14px;margin-bottom:10px}
.ayat-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:12px;gap:8px;flex-wrap:wrap}
.ayat-ref{font-weight:bold;color:#1a73e8}
.ayat-surah{color:#777}
.ayat-ar{direction:rtl;text-align:right;font-family:'Scheherazade New','Amiri',serif;font-size:24px;line-height:2;color:#1a1a1a;margin:4px 0}
.ayat-ar mark{background:#fff3a3;color:#000;padding:0 3px;border-radius:3px}
.ayat-en{font-size:13px;color:#444;line-height:1.6;border-top:1px dashed #e0e3e8;padding-top:6px;margin-top:6px;font-style:italic}
.bookmark-btn{background:transparent;border:1px solid #ccc;border-radius:5px;padding:3px 8px;cursor:pointer;font-size:14px;color:#888}
.bookmark-btn.on{background:#fff3a3;color:#b8860b;border-color:#f0c040}

/* Mobile */
@media(max-width:820px){
  .layout{display:block}
  .topbar{display:flex}
  .sidebar{position:fixed;top:0;left:0;z-index:40;height:100vh;transform:translateX(-100%);width:260px}
  .sidebar.open{transform:translateX(0)}
  .scrim.open{display:block}
  .main{padding:16px 14px;max-width:none}
  h1.page-title{font-size:19px}
  .ayat-ar{font-size:20px}
}

/* ===== Sidebar Surahs collapsible ===== */
.sidebar-surahs{margin:6px 0 0;border-top:1px solid #1f2d3a}
.sidebar-surahs>summary{list-style:none;cursor:pointer;padding:12px 18px;color:#bdc3c7;font-size:13px;font-weight:bold;text-transform:uppercase;letter-spacing:1px;display:flex;align-items:center;gap:10px;user-select:none}
.sidebar-surahs>summary::-webkit-details-marker{display:none}
.sidebar-surahs>summary::after{content:"▾";margin-left:auto;font-size:11px;opacity:.7;transition:transform .2s}
.sidebar-surahs[open]>summary::after{transform:rotate(180deg)}
.sidebar-surahs>summary:hover{background:#34495e;color:#fff}
.sidebar-surahs .ico{font-size:15px}
.surah-search-wrap{padding:6px 12px 6px}
.surah-search-wrap input{width:100%;padding:6px 10px;background:#1f2d3a;color:#ecf0f1;border:1px solid #34495e;border-radius:4px;font-size:12px;outline:none}
.surah-search-wrap input:focus{border-color:#1abc9c}
.surah-list{max-height:340px;overflow-y:auto;padding-bottom:6px}
.surah-list .surah-item{display:grid;grid-template-columns:28px 1fr auto;gap:6px;align-items:center;padding:5px 14px;font-size:12px;color:#bdc3c7;text-decoration:none;border-left:3px solid transparent}
.surah-list .surah-item:hover{background:#34495e;color:#fff;border-left-color:#3498db;text-decoration:none}
.surah-list .surah-item.active{background:#34495e;color:#fff;border-left-color:#1abc9c}
.surah-list .sn{color:#7f8c9b;font-size:11px;text-align:right}
.surah-list .sna{font-family:'Scheherazade New','Amiri',serif;color:#f1c40f;font-size:14px;direction:rtl}
.surah-list::-webkit-scrollbar{width:6px}
.surah-list::-webkit-scrollbar-thumb{background:#4a6378;border-radius:3px}