@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@400;500;600&display=swap');

:root {
    --parchment: #EFE6D8;
    --parchment-dark: #E4D8C4;
    --walnut: #2A2118;
    --walnut-light: #3C3025;
    --leather: #B5702F;
    --leather-dark: #8F5622;
    --moss: #6B7A4F;
    --ink: #3A2E22;
    --faded: #8A7A64;
    --ribbon: #A83B3B;
    --shelf-wood: #6B4A2E;
    --shelf-wood-dark: #4A3220;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--parchment);
    color: var(--ink);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

h1, h2, h3, .title-font {
    font-family: 'Lora', serif;
    color: var(--ink);
    font-weight: 600;
    margin: 0;
}

a { color: inherit; text-decoration: none; }

.eyebrow {
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--faded);
    font-weight: 600;
}

/* header */
.site-header {
    background: var(--walnut);
    color: var(--parchment);
    padding: 18px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-header .brand {
    font-family: 'Lora', serif;
    font-size: 20px;
    font-style: italic;
    color: var(--parchment);
}
.site-header .brand span { color: var(--leather); font-style: normal; }
.site-header nav a {
    color: var(--parchment);
    opacity: 0.75;
    font-size: 14px;
    margin-left: 24px;
}
.site-header nav a:hover { opacity: 1; }

/* tag filter rail */
.tag-rail {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 20px 32px 0;
}
.tag-pill {
    border: 1px solid var(--faded);
    color: var(--ink);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
}
.tag-pill.active, .tag-pill:hover {
    background: var(--leather);
    border-color: var(--leather);
    color: #fff;
}

/* the shelf */
.shelf-section { padding: 24px 32px 60px; }
.shelf {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 4px;
    background: var(--shelf-wood);
    border-radius: 6px 6px 10px 10px;
    padding: 24px 20px 0;
    box-shadow: inset 0 -12px 0 var(--shelf-wood-dark);
}

.spine {
    width: 64px;
    height: 220px;
    background: var(--leather);
    border-radius: 3px 6px 6px 3px;
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 16px;
    transition: transform 0.15s ease;
    box-shadow: -2px 0 0 rgba(0,0,0,0.15) inset;
    flex-shrink: 0;
}
.spine:hover { transform: translateY(-10px); }
.spine .spine-title {
    writing-mode: vertical-rl;
    font-family: 'Lora', serif;
    font-size: 13px;
    color: #fdf6ea;
    font-weight: 500;
    max-height: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.spine .ribbon {
    position: absolute;
    top: -6px;
    right: 10px;
    width: 10px;
    height: 26px;
    background: var(--ribbon);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%);
}
.spine.featured { background: var(--moss); }

/* book detail card */
.book-detail {
    display: flex;
    gap: 32px;
    padding: 40px 32px;
    max-width: 920px;
    margin: 0 auto;
}
.book-cover {
    width: 220px;
    height: 320px;
    border-radius: 4px;
    background: var(--parchment-dark);
    background-size: cover;
    background-position: center;
    box-shadow: 0 8px 20px rgba(42,33,24,0.25);
    flex-shrink: 0;
}
.book-meta .title-font { font-size: 30px; margin-bottom: 6px; }
.book-meta .byline { color: var(--faded); font-size: 14px; margin-bottom: 16px; }
.book-meta .synopsis { font-size: 15px; margin-bottom: 20px; }
.chip {
    display: inline-block;
    background: var(--parchment-dark);
    color: var(--ink);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 12px;
    margin-right: 6px;
}

/* chapter list */
.chapter-list { list-style: none; padding: 0; margin: 24px 0 0; }
.chapter-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--parchment-dark);
    cursor: pointer;
    border-radius: 6px;
}
.chapter-row:hover { background: var(--parchment-dark); }
.chapter-row .chapter-num {
    font-family: 'Lora', serif;
    font-style: italic;
    color: var(--leather);
    width: 24px;
    text-align: center;
}
.chapter-row .chapter-title { flex: 1; font-size: 14px; }
.chapter-row .chapter-dur { font-size: 12px; color: var(--faded); }
.chapter-row.playing { background: var(--parchment-dark); }
.chapter-row.playing .chapter-num { color: var(--ribbon); }

/* persistent player bar */
.player-bar {
    position: sticky;
    bottom: 0;
    background: var(--walnut);
    color: var(--parchment);
    padding: 12px 32px;
    display: none;
    align-items: center;
    gap: 16px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
}
.player-bar.active { display: flex; }
.player-bar .now-playing { font-size: 13px; min-width: 160px; }
.player-bar .now-playing .book-title { font-family: 'Lora', serif; font-style: italic; opacity: 0.7; font-size: 11px; }
.player-btn {
    background: var(--leather);
    border: none;
    color: #fff;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
}
.player-bar input[type=range] {
    flex: 1;
    accent-color: var(--leather);
}
.player-bar .time { font-size: 11px; opacity: 0.7; width: 40px; }
.player-bar select {
    background: var(--walnut-light);
    color: var(--parchment);
    border: 1px solid var(--faded);
    border-radius: 4px;
    font-size: 12px;
    padding: 2px 6px;
}

/* admin */
.admin-wrap { max-width: 900px; margin: 0 auto; padding: 32px; }
.admin-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.admin-table th, .admin-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--parchment-dark); font-size: 14px; }
.admin-form label { display: block; font-size: 13px; color: var(--faded); margin: 14px 0 4px; }
.admin-form input, .admin-form textarea, .admin-form select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--faded);
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    background: #fff;
}
.btn {
    display: inline-block;
    background: var(--leather);
    color: #fff;
    border: none;
    padding: 9px 18px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    margin-top: 16px;
}
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--faded); }
.btn.danger { background: var(--ribbon); }

.empty-state { padding: 60px 32px; text-align: center; color: var(--faded); }

@media (max-width: 640px) {
    .book-detail { flex-direction: column; }
    .site-header nav a { margin-left: 12px; font-size: 12px; }
}