/* ============================================
   NADDY'S LIBRARY — 8-BIT PIXEL RETRO THEME
   Darker purple background, chunky pixel UI
   ============================================ */
:root {
    --bg-0: #1a0e2e;      /* deepest background */
    --bg-1: #241244;      /* panel background */
    --purple: #7b2ff7;    /* main purple */
    --purple-dark: #5a1fc9;
    --purple-light: #a06bff;
    --pink: #ff6ec7;
    --gold: #ffcc33;
    --cream: #f5e6ff;
    --muted: #b39ddb;
    --green: #4ade80;
    --red: #ff5252;
    --dark-text: #241244;
}

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

body {
    font-family: 'VT323', 'Courier New', monospace;
    background-color: var(--bg-0);
    color: var(--cream);
    min-height: 100vh;
    font-size: 20px;
    line-height: 1.4;
    position: relative;
}

/* Subtle pixel checkerboard on the dark background */
.pixel-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        repeating-conic-gradient(var(--bg-1) 0% 25%, transparent 0% 50%)
        0 0 / 32px 32px;
    opacity: 0.35;
    pointer-events: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* ============ HEADER ============ */
header {
    text-align: center;
    margin-bottom: 24px;
    padding: 26px 20px 22px;
    background: var(--bg-1);
    border: 4px solid var(--purple);
    box-shadow:
        0 0 0 3px var(--bg-0),
        0 0 0 6px var(--purple-dark),
        inset 0 0 0 3px var(--purple-dark);
    border-radius: 4px;
    position: relative;
}

.site-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 22px;
    color: var(--cream);
    text-shadow:
        3px 3px 0 var(--purple-dark),
        6px 6px 0 var(--bg-0);
    margin: 12px 0 10px;
    letter-spacing: 2px;
}

header p.subtitle {
    color: var(--pink);
    font-size: 24px;
    letter-spacing: 1px;
}

/* ============ LOGO: pixel-art emblem ============ */
.logo {
    display: flex;
    justify-content: center;
    margin-bottom: 6px;
}
.logo-img {
    width: 260px;
    height: auto;
    image-rendering: pixelated;
    filter: drop-shadow(4px 4px 0 rgba(0,0,0,0.45));
}

/* ============ NAV ============ */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    justify-content: center;
}
.tab {
    font-family: 'Press Start 2P', monospace;
    font-size: 11px;
    padding: 14px 22px;
    background: var(--bg-1);
    color: var(--cream);
    border: 3px solid var(--purple-dark);
    box-shadow: 0 6px 0 var(--purple-dark);
    cursor: pointer;
    transition: all .08s linear;
    border-radius: 2px;
}
.tab:hover { background: var(--purple-dark); }
.tab.active {
    background: var(--purple);
    color: #fff;
    border-color: var(--purple-light);
    box-shadow: 0 3px 0 var(--purple-light);
    transform: translateY(3px);
}

/* ============ TAB CONTENT ============ */
.tab-content { display: none; }
.tab-content.active { display: block; }

.section-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 13px;
    color: var(--gold);
    text-align: center;
    margin-bottom: 18px;
    letter-spacing: 1px;
}
.pixel-star { color: var(--pink); }
.hint {
    text-align: center;
    color: var(--muted);
    font-size: 18px;
    margin-bottom: 16px;
}

/* ============ TOP 10 GRID ============ */
/* #1 featured first & bigger, then grid of smaller favorites */
.top-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

/* The #1 book — bigger cover, highlighted frame */
.book-card.rank1 {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    align-items: center;
    background: var(--bg-1);
    border: 4px solid var(--gold);
    box-shadow: 0 0 0 3px var(--bg-0), 0 0 0 6px var(--gold),
                inset 0 0 0 2px var(--bg-0);
    padding: 22px;
    border-radius: 4px;
    margin-bottom: 6px;
}
.book-card.rank1 .book-cover { width: 260px; height: 380px; }
.book-card.rank1 .book-title { font-size: 26px; }
.badge1 {
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    color: var(--bg-0);
    background: var(--gold);
    padding: 8px 10px;
    border-radius: 2px;
    box-shadow: 2px 2px 0 var(--bg-0);
    display: inline-block;
    margin-bottom: 12px;
}

/* Ranks 2-10 grid */
.ranks {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 16px;
}

/* ============ BOOK CARDS ============ */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 16px;
}
.book-card {
    background: var(--bg-1);
    border: 3px solid var(--purple);
    box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--purple-dark),
                4px 4px 0 var(--bg-0);
    border-radius: 2px;
    cursor: pointer;
    transition: all .1s linear;
    position: relative;
    overflow: hidden;
}
.book-card:hover {
    transform: translate(-2px,-2px);
    box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--purple-light),
                8px 8px 0 var(--bg-0);
    background: var(--purple-dark);
}
.book-cover {
    width: 100%;
    height: 230px;
    object-fit: cover;
    display: block;
    background: var(--purple-dark);
    border-bottom: 3px solid var(--purple);
}
.book-info { padding: 10px; }
.book-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    color: var(--cream);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}
.book-authors {
    color: var(--pink);
    font-size: 17px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.book-rank {
    position: absolute;
    top: 8px; left: 8px;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    background: var(--purple);
    color: #fff;
    border: 2px solid var(--bg-0);
    box-shadow: 2px 2px 0 var(--bg-0);
    padding: 6px 8px;
    z-index: 2;
}
.owned-badge {
    position: absolute;
    top: 8px; right: 8px;
    font-family: 'Press Start 2P', monospace;
    font-size: 8px;
    background: var(--green);
    color: var(--bg-0);
    border: 2px solid var(--bg-0);
    padding: 5px 7px;
    z-index: 2;
}
.book-status {
    display: inline-block;
    font-family: 'Press Start 2P', monospace;
    font-size: 8px;
    padding: 5px 8px;
    margin-top: 6px;
    border-radius: 2px;
    border: 2px solid var(--bg-0);
}
.status-owned { background: var(--green); color: var(--bg-0); }
.status-wishlist { background: var(--gold); color: var(--bg-0); }
.status-reading { background: #58d3ff; color: var(--bg-0); }

.book-actions {
    display: flex;
    gap: 6px;
    padding: 10px;
    border-top: 3px solid var(--purple);
}
.btn {
    font-family: 'Press Start 2P', monospace;
    font-size: 8px;
    padding: 9px 8px;
    border: 2px solid var(--bg-0);
    box-shadow: 2px 2px 0 var(--bg-0);
    cursor: pointer;
    flex: 1;
    transition: all .08s;
    border-radius: 2px;
}
.btn:active { transform: translate(2px,2px); box-shadow: none; }
.btn-primary { background: var(--purple); color: #fff; }
.btn-primary:hover { background: var(--purple-light); }
.btn-secondary { background: var(--purple-dark); color: var(--cream); }
.btn-secondary:hover { background: var(--purple); }
.btn-danger { background: var(--red); color: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: 2px 2px 0 var(--bg-0); }

/* ============ SEARCH ============ */
.search-container { margin-bottom: 22px; }
.search-box {
    display: flex;
    gap: 12px;
    background: var(--bg-1);
    border: 3px solid var(--purple);
    box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--purple-dark);
    padding: 12px;
    border-radius: 2px;
}
.search-box input {
    flex: 1;
    font-family: 'VT323', monospace;
    font-size: 22px;
    padding: 12px 16px;
    background: var(--bg-0);
    color: var(--cream);
    border: 3px solid var(--purple-dark);
    outline: none;
    border-radius: 2px;
}
.search-box input:focus { border-color: var(--pink); }
.search-box button {
    font-family: 'Press Start 2P', monospace;
    font-size: 13px;
    padding: 12px 24px;
    background: var(--purple);
    color: #fff;
    border: 3px solid var(--purple-dark);
    box-shadow: 0 5px 0 var(--purple-dark);
    cursor: pointer;
    transition: all .08s;
    border-radius: 2px;
}
.search-box button:hover { background: var(--purple-light); }
.search-box button:active { transform: translateY(3px); box-shadow: none; }

.results-section { margin-bottom: 24px; }
.results-section .section-title { text-align: left; color: var(--purple-light); }
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
    font-size: 22px;
    border: 3px dashed var(--purple-dark);
    border-radius: 2px;
}

/* ============ MODAL ============ */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0; width: 100%; height: 100%;
    background: rgba(20, 6, 40, 0.88);
    overflow-y: auto;
}
.modal-content {
    background: var(--bg-1);
    margin: 40px auto;
    padding: 28px;
    max-width: 620px;
    position: relative;
    border: 4px solid var(--purple);
    box-shadow: 0 0 0 3px var(--bg-0), 0 0 0 6px var(--purple-dark),
                10px 10px 0 rgba(0,0,0,.5);
    border-radius: 2px;
}
.close {
    position: absolute;
    top: 12px; right: 18px;
    font-family: 'Press Start 2P', monospace;
    font-size: 22px;
    color: var(--muted);
    cursor: pointer;
}
.close:hover { color: var(--red); }
.modal-book-cover {
    width: 100%;
    max-width: 260px;
    margin: 0 auto 18px;
    display: block;
    border: 3px solid var(--purple-dark);
    box-shadow: 4px 4px 0 var(--bg-0);
}
.modal h2 {
    font-family: 'Press Start 2P', monospace;
    font-size: 14px;
    color: var(--cream);
    margin-bottom: 14px;
    line-height: 1.6;
}
.modal p { margin-bottom: 8px; color: var(--cream); }
.modal label { display: block; margin: 10px 0 4px; color: var(--purple-light); font-size: 19px; }
.modal textarea, .modal input, .modal select {
    width: 100%;
    font-family: 'VT323', monospace;
    font-size: 19px;
    padding: 10px;
    background: var(--bg-0);
    color: var(--cream);
    border: 3px solid var(--purple-dark);
    border-radius: 2px;
    outline: none;
}
.modal textarea { min-height: 90px; resize: vertical; }
.modal button[type=submit] {
    width: 100%;
    margin-top: 16px;
    font-family: 'Press Start 2P', monospace;
    font-size: 11px;
    padding: 14px;
    background: var(--purple);
    color: #fff;
    border: 3px solid var(--purple-dark);
    box-shadow: 0 5px 0 var(--purple-dark);
    cursor: pointer;
}
.modal button[type=submit]:active { transform: translateY(3px); box-shadow: none; }
.modal .notes-block {
    background: var(--bg-0);
    border: 3px solid var(--purple-dark);
    padding: 12px;
    margin-top: 10px;
    border-radius: 2px;
    color: var(--cream);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 720px) {
    .book-card.rank1 { grid-template-columns: 1fr; text-align: center; }
    .book-card.rank1 .book-cover { width: 200px; height: 290px; margin: 0 auto; }
    .ranks, .books-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
    .tabs { gap: 6px; }
    .tab { padding: 12px 14px; font-size: 9px; }
    .site-title { font-size: 16px; }
    .search-box { flex-direction: column; }
}