/* Bookblah — mobile-first PWA styles */

:root {
    --color-bg:         #faf7f2;
    --color-surface:    #ffffff;
    --color-primary:    #7b4f2e;   /* warm brown */
    --color-primary-lt: #a0683e;
    --color-accent:     #e8c98a;   /* warm gold */
    --color-text:       #2c2c2c;
    --color-text-muted: #777;
    --color-border:     #e0d8cc;
    --color-yeah-yeah:  #4a7c59;   /* green */
    --color-yeah-maybe: #c07a2a;   /* amber */
    --color-yeah-nah:   #9e3a3a;   /* red */
    --radius:           12px;
    --radius-sm:        8px;
    --shadow:           0 2px 8px rgba(0,0,0,0.08);
    --shadow-md:        0 4px 16px rgba(0,0,0,0.12);
    --font:             'Georgia', serif;
    --font-ui:          -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width:        480px;
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-ui);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100dvh;
    line-height: 1.5;
}

/* ── Layout ── */
.page {
    margin: 0 auto;
    padding: 0 16px 80px;
}

/* ── Header ── */
.site-header {
    background: var(--color-primary);
    color: #fff;
    padding: 16px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.site-header h1 {
    font-family: var(--font);
    font-size: 1.6rem;
    font-weight: normal;
    letter-spacing: 0.03em;
}

.site-header .subtitle {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 2px;
}

/* Back button in sub-pages */
.back-btn {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 4px 8px;
    text-decoration: none;
}

/* ── Home page — four big buttons ── */
.home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 24px 0;
}

.home-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 16px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: transform 0.15s, box-shadow 0.15s;
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.home-card:active { transform: scale(0.97); }

.home-card .card-icon {
    font-size: 2.2rem;
    line-height: 1;
}

.home-card .card-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
}

.home-card .card-sub {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.3;
}

/* Current read card spans full width */
.home-card.current-read {
    grid-column: 1 / -1;
    flex-direction: row;
    text-align: left;
    padding: 20px;
    gap: 16px;
}

.home-card.current-read .card-icon { font-size: 2.8rem; }

.home-card.current-read .card-body { flex: 1; }

.home-card.current-read .card-title {
    font-family: var(--font);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.home-card.current-read .card-author {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.home-card.current-read .meeting-date {
    font-size: 0.8rem;
    margin-top: 8px;
    padding: 4px 10px;
    background: var(--color-accent);
    border-radius: 20px;
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
}

/* ── Section heading ── */
.section-heading {
    font-family: var(--font);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin: 24px 0 12px;
}

/* ── Search box ── */
.search-wrap {
    position: relative;
    margin: 20px 0;
}

.search-input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-ui);
    background: var(--color-surface);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s;
}

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

.search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Book cards (search results / lists) ── */
.book-list { display: flex; flex-direction: column; gap: 12px; }

.book-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    border: 1px solid var(--color-border);
}

.book-cover {
    width: 56px;
    min-width: 56px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.book-cover img { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; }

.book-info { flex: 1; min-width: 0; }

.book-title {
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: bold;
    line-height: 1.3;
    margin-bottom: 3px;
}

.book-author {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.book-meta {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* ── Rating badges ── */
.rating-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    color: #fff;
}

.rating-yeah-yeah  { background: var(--color-yeah-yeah); }
.rating-yeah-maybe { background: var(--color-yeah-maybe); }
.rating-yeah-nah   { background: var(--color-yeah-nah); }

.rating-numeric {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 2px 9px;
    border-radius: 20px;
}

/* ── Rating legend ── */
.rating-legend {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.rating-legend h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.rating-legend-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.rating-legend-row:last-child { margin-bottom: 0; }

.rating-legend-row .desc { color: var(--color-text-muted); font-size: 0.8rem; }

/* ── Member dropdown ── */
.member-select-wrap {
    margin: 16px 0 20px;
}

.member-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-ui);
    background: var(--color-surface);
    color: var(--color-text);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237b4f2e' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    cursor: pointer;
}

.member-select:focus { outline: none; border-color: var(--color-primary); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-ui);
    border: none;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
}

.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-lt); }
.btn-secondary { background: var(--color-accent); color: var(--color-primary); }
.btn-outline { background: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); }
.btn-full { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; border-radius: var(--radius-sm); }

/* ── Form elements ── */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.form-input, .form-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-ui);
    background: var(--color-surface);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus { border-color: var(--color-primary); }

.form-textarea { resize: vertical; min-height: 80px; }

/* Rating selector (Yeah/Yeah system) */
.rating-selector { display: flex; flex-direction: column; gap: 8px; }

.rating-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.rating-option input[type="radio"] { display: none; }

.rating-option.selected-yeah-yeah  { border-color: var(--color-yeah-yeah);  background: #f0f7f2; }
.rating-option.selected-yeah-maybe { border-color: var(--color-yeah-maybe); background: #fdf6ed; }
.rating-option.selected-yeah-nah   { border-color: var(--color-yeah-nah);   background: #fdf0f0; }

/* ── Group list table (scrollable) ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }

table.group-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    min-width: 500px;
}

.group-table th {
    background: var(--color-primary);
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.group-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.group-table tr:nth-child(even) td { background: #faf7f2; }

/* ── Modal / sheet ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    display: flex;
    align-items: flex-end;
}

.modal-sheet {
    background: var(--color-surface);
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 20px 16px 32px;
    max-height: 90dvh;
    overflow-y: auto;
}

.modal-handle {
    width: 40px;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    margin: 0 auto 16px;
}

.modal-title {
    font-family: var(--font);
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

/* ── Toast notification ── */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: #fff;
    padding: 12px 20px;
    border-radius: 24px;
    font-size: 0.9rem;
    z-index: 300;
    opacity: 0;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.toast.show { opacity: 1; }

/* ── Loading spinner ── */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}

.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.9rem; }

/* ── Responsive: landscape mobile + tablet ── */
@media (min-width: 600px) {
    .page { padding-left: 24px; padding-right: 24px; }
    .site-header { padding: 18px 24px; }
}

/* ── Responsive: desktop ── */
@media (min-width: 960px) {
    .page { max-width: 1060px; padding-left: 40px; padding-right: 40px; }
    .site-header { padding: 20px 40px; }
    .site-header h1 { font-size: 1.85rem; }

    /* Modals: centred dialog rather than bottom sheet */
    .modal-overlay { align-items: center; }
    .modal-sheet {
        border-radius: var(--radius) !important;
        max-height: 85vh;
    }
}