/* ============================================
   AJ MBBS ARCHIVE - SHARED DESIGN SYSTEM
   Light mode default, matches screenshot UI
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- DESIGN TOKENS (Light Default) --- */
:root {
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --bg: #f5f5f7;
    --card-bg: #ffffff;
    --text-main: #1a1a2e;
    --text-sub: #6b7280;
    --border: rgba(0, 0, 0, 0.06);
    --glass: rgba(255, 255, 255, 0.92);
    --neu-shadow: 6px 6px 16px rgba(0,0,0,0.06), -4px -4px 12px rgba(255,255,255,0.9);
    --search-bg: rgba(0, 0, 0, 0.04);
}

/* --- DARK MODE --- */
body.dark-mode {
    --bg: #0a0a1a;
    --card-bg: #141428;
    --text-main: #f1f5f9;
    --text-sub: #94a3b8;
    --border: rgba(255, 255, 255, 0.08);
    --glass: rgba(14, 14, 30, 0.95);
    --neu-shadow: 4px 4px 12px rgba(0,0,0,0.4), -2px -2px 8px rgba(255,255,255,0.02);
    --search-bg: rgba(255, 255, 255, 0.06);
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 70px;
    transition: background 0.4s, color 0.4s;
    -webkit-font-smoothing: antialiased;
}

/* ===== HEADER ===== */
header {
    position: fixed; top: 0; left: 0; right: 0; height: 65px;
    background: var(--glass);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.header-left, .header-right { display: flex; align-items: center; gap: 10px; }
.header-brand {
    font-weight: 800; font-size: 1rem;
    letter-spacing: 0.5px; text-transform: uppercase;
}
.header-brand span { color: var(--primary); }
.header-btn {
    background: none; border: none; cursor: pointer;
    color: var(--text-main); padding: 8px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px; transition: 0.2s;
}
.header-btn:hover { background: var(--search-bg); }

/* ===== SEARCH ===== */
.search-wrapper { position: relative; display: flex; align-items: center; }
.search-expandable {
    position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
    width: 0; overflow: hidden;
    background: var(--card-bg);
    border-radius: 14px;
    display: flex; align-items: center;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1), border 0.3s, box-shadow 0.3s;
    z-index: 2001;
}
.search-expandable.active {
    /* Ensures the bar doesn't push the dropdown off-screen on small devices */
    width: calc(100vw - 100px); 
    max-width: 300px;
    border: 1.5px solid var(--primary);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.12);
    /* Essential to see the dropdown */
    overflow: visible !important; 
}
.search-input {
    width: 100%; padding: 11px 35px 11px 16px;
    border: none; background: transparent;
    color: var(--text-main); font-family: inherit;
    font-size: 0.88rem; outline: none;
}
.search-clear {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: none; border: none; font-size: 1.2rem;
    color: var(--text-sub); cursor: pointer; display: none;
    padding: 2px 6px;
}
.search-expandable.active .search-clear { display: block; }

/* --- Suggestions Dropdown --- */
.suggestions-dropdown {
    position: absolute; 
    top: 52px; 
    /* Force alignment to the right edge of the search bar to keep it on screen */
    right: 0;
    left: auto; 
    width: 100%;
    /* Prevents the dropdown from being too skinny on small screens */
    min-width: 260px; 
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
    z-index: 3000; 
    display: none;
    max-height: 350px; 
    overflow-y: auto;
    overflow-x: hidden;
}@media (max-width: 480px) {
    .suggestions-dropdown {
        /* On very small phones, this ensures it doesn't hit the left wall */
        width: calc(100vw - 40px);
        right: -30px; 
    }
}
/* Dark mode: stronger shadow & visible border for dropdown */
body.dark-mode .suggestions-dropdown {
    border: 1px solid rgba(108, 92, 231, 0.3);
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.suggestions-dropdown.show { display: block; }
.suggestion-item {
    padding: 14px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    transition: background 0.2s;
    color: var(--text-main);
}
.suggestion-item:last-child { border-bottom: none; }
.suggestion-item:hover { background: rgba(108, 92, 231, 0.06); }
body.dark-mode .suggestion-item:hover { background: rgba(108, 92, 231, 0.15); }
.sug-info { display: flex; flex-direction: column; }
.sug-name { font-weight: 700; font-size: 0.88rem; color: var(--text-main); }
.sug-type { font-size: 0.6rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-sub); margin-top: 2px; }
.sug-tag {
    padding: 5px 14px; border-radius: 50px;
    font-size: 0.6rem; font-weight: 800;
    letter-spacing: 0.5px; text-transform: uppercase;
    color: white; white-space: nowrap;
}
.sug-tag[data-p="Marrow"] { background: #6c5ce7; }
.sug-tag[data-p="PrepLadder"] { background: #ff6b6b; }
.sug-tag[data-p="Cerebellum"] { background: #2ecc71; }
.sug-tag[data-p="Doc Tutorial"] { background: #f39c12; }
.sug-tag[data-p="DAMS"] { background: #e74c3c; }
.sug-tag[data-p="eGurukul"] { background: #2c3e50; }
body.dark-mode .sug-tag[data-p="eGurukul"] { background: #5b7a99; }
.sug-tag[data-p="Surgery Dada"] { background: #16a085; }
.sug-tag.rr-tag { background: #00cec9 !important; }

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed; top: 0; left: -340px; width: 320px; height: 100vh;
    background: var(--card-bg); z-index: 2000;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 30px 24px;
    overflow-y: auto;
    box-shadow: 8px 0 30px rgba(0,0,0,0.1);
}
.sidebar.active { left: 0; }
.sidebar-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 25px; padding-top: 10px;
}
.sidebar-title {
    font-size: 1.1rem; font-weight: 800;
    letter-spacing: 1px;
}
.sidebar-close {
    background: none; border: none; font-size: 1.8rem;
    cursor: pointer; color: var(--primary);
    line-height: 1; padding: 0 4px;
}
.sidebar-search {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px;
    background: var(--search-bg);
    border-radius: 14px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    position: relative;
}
.sidebar-search svg { flex-shrink: 0; opacity: 0.4; }
.sidebar-search input {
    flex: 1; border: none; background: none;
    color: var(--text-main); font-family: inherit;
    font-size: 0.85rem; outline: none;
}
.sidebar-sug {
    position: absolute; top: 100%; left: 0; right: 0;
    margin-top: 6px;
}
.sidebar-links {
    list-style: none;
    border-left: 3px solid var(--primary);
    padding-left: 0;
    margin-left: 10px;
}
.sidebar-links li { margin-bottom: 2px; }
.sidebar-links li a {
    display: block; padding: 14px 20px; margin-left: 15px;
    text-decoration: none; color: var(--text-main);
    font-weight: 700; font-size: 0.85rem;
    border-radius: 14px;
    letter-spacing: 0.5px;
    transition: 0.2s;
}
.sidebar-links li a:hover { background: rgba(108, 92, 231, 0.06); }
.sidebar-links li a.active {
    background: rgba(108, 92, 231, 0.08);
    color: var(--primary);
    font-weight: 800;
}
.install-link {
    background: rgba(108, 92, 231, 0.08) !important;
    color: var(--primary) !important;
    border: 1px dashed var(--primary) !important;
    text-align: center;
}
.sidebar-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.3); display: none; z-index: 1500;
    backdrop-filter: blur(4px);
}
.sidebar-overlay.active { display: block; }

/* ===== SHARED FOOTER ===== */
.branded-footer {
    text-align: center;
    padding: 40px 20px 30px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}
.footer-brand {
    font-weight: 800; font-size: 1rem;
    letter-spacing: 1px; text-transform: uppercase;
    margin-bottom: 8px; color: var(--text-main);
}
.footer-brand span { color: var(--primary); }
.footer-copy {
    font-size: 0.65rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--text-sub);
}

/* ===== DARK MODE ADDITIONAL FIXES ===== */
body.dark-mode .search-expandable {
    border-color: rgba(108, 92, 231, 0.2);
}
body.dark-mode .search-expandable.active {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.2);
}
body.dark-mode .search-input::placeholder {
    color: var(--text-sub);
}
body.dark-mode .sidebar {
    box-shadow: 8px 0 30px rgba(0,0,0,0.4);
}
body.dark-mode .sidebar-overlay {
    background: rgba(0,0,0,0.6);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    body { padding-top: 65px; }
}
@media (min-width: 768px) {
    header { padding: 0 24px; }
    .sidebar { width: 360px; }
}