/* ── Symptom Logbook Drawer ── */

.logbook-drawer {
    position: fixed;
    inset: 0;
    z-index: 100010;
    pointer-events: none;
    visibility: hidden;
}
.logbook-drawer.open {
    pointer-events: auto;
    visibility: visible;
}

.logbook-drawer-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.logbook-drawer.open .logbook-drawer-overlay { opacity: 1; }

.logbook-sheet {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 92vh;
    background: var(--surface-white);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}
.logbook-drawer.open .logbook-sheet { transform: translateY(0); }

.logbook-drag-handle {
    display: flex;
    justify-content: center;
    padding: 10px 0 6px;
    cursor: grab;
}
.logbook-drag-handle span {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--border-subtle);
}

.logbook-viewport {
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.logbook-view-stack {
    display: flex;
    transition: transform 0.3s ease;
    height: 100%;
}

.logbook-view {
    flex: 0 0 100%;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.logbook-view-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    gap: 0.5rem;
    flex-shrink: 0;
}
.logbook-view-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-main);
}
.logbook-view-title h3 { font-size: 1.05rem; margin: 0; }

.logbook-close,
.logbook-back {
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 6px;
    transition: background 0.15s;
}
.logbook-close:hover,
.logbook-back:hover { background: var(--bg-off-white); }
.logbook-close { margin-left: auto; }

.logbook-view-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    -webkit-overflow-scrolling: touch;
}

/* ── Home View ── */
.logbook-home-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
}
.logbook-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 0.5rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--surface-white);
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.logbook-action-btn:hover { background: var(--bg-off-white); }
.logbook-new-entry-btn {
    background: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}
.logbook-new-entry-btn:hover { background: #1e3a8a; }

/* Streak / Stats */
.logbook-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}
.logbook-stat {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-off-white);
    border-radius: var(--radius-sm);
}
.logbook-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
}
.logbook-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* Missed reminder banner */
.logbook-missed-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #fef3c7;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #92400e;
}
.logbook-missed-banner i { font-size: 1.1rem; }
.logbook-missed-banner button {
    margin-left: auto;
    background: #d97706;
    color: #fff;
    border: none;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

/* Export prompt banner */
.logbook-export-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #e0f2fe;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: #0369a1;
}
.logbook-export-banner i { font-size: 1rem; }
.logbook-export-banner-actions {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}
.logbook-export-banner-actions button {
    background: none;
    border: 1px solid #0369a1;
    color: #0369a1;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}
.logbook-export-banner-actions button.primary {
    background: #0369a1;
    color: #fff;
}

/* Recent timeline */
.logbook-recent-header {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}
.logbook-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.logbook-empty i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

/* ── New Entry View ── */
.logbook-entry-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.logbook-entry-date input {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
    background: var(--surface-white);
    color: var(--text-main);
}
.logbook-no-conditions {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}
.logbook-no-conditions i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.4;
}
.logbook-condition-card {
    background: var(--bg-off-white);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
}
.logbook-condition-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}
.logbook-severity-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.logbook-severity-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 55px;
}
.logbook-severity-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, #22c55e 0%, #eab308 50%, #ef4444 100%);
    outline: none;
}
.logbook-severity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--surface-white);
    border: 2px solid var(--primary-blue);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.logbook-severity-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--surface-white);
    border: 2px solid var(--primary-blue);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.logbook-severity-value {
    font-weight: 700;
    font-size: 1.1rem;
    min-width: 28px;
    text-align: center;
}
.logbook-severity-value.low { color: #16a34a; }
.logbook-severity-value.mid { color: #ca8a04; }
.logbook-severity-value.high { color: #dc2626; }
.logbook-notes-input {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    resize: vertical;
    min-height: 40px;
    max-height: 100px;
    background: var(--surface-white);
    color: var(--text-main);
}
.logbook-notes-input::placeholder { color: var(--text-muted); opacity: 0.6; }
.logbook-entry-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}
.logbook-save-btn,
.logbook-cancel-btn {
    flex: 1;
    padding: 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.15s;
}
.logbook-save-btn {
    background: var(--primary-blue);
    color: #fff;
}
.logbook-save-btn:hover { background: #1e3a8a; }
.logbook-cancel-btn {
    background: var(--bg-off-white);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

/* ── History View ── */
.logbook-date-group { margin-bottom: 1.25rem; }
.logbook-date-header {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.logbook-history-entry {
    background: var(--bg-off-white);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 0.4rem;
    cursor: pointer;
    transition: background 0.15s;
}
.logbook-history-entry:hover { background: var(--border-subtle); }
.logbook-history-time {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}
.logbook-history-conditions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.logbook-severity-dot {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.82rem;
    color: var(--text-main);
}
.logbook-severity-dot::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.logbook-severity-dot.low::before { background: #22c55e; }
.logbook-severity-dot.mid::before { background: #eab308; }
.logbook-severity-dot.high::before { background: #ef4444; }
.logbook-history-notes {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    display: none;
}
.logbook-history-entry.expanded .logbook-history-notes { display: block; }
.logbook-history-delete {
    display: none;
    margin-top: 0.5rem;
}
.logbook-history-entry.expanded .logbook-history-delete { display: block; }
.logbook-history-delete button {
    background: none;
    border: none;
    color: var(--alert-red);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0.2rem 0;
}
.logbook-history-delete button:hover { text-decoration: underline; }

/* ── Settings View ── */
.logbook-settings-section {
    margin-bottom: 1.5rem;
}
.logbook-settings-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.logbook-setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
}
.logbook-setting-label {
    font-size: 0.9rem;
    color: var(--text-main);
}
.logbook-setting-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}
.logbook-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.logbook-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}
.logbook-toggle-track {
    position: absolute;
    inset: 0;
    background: var(--border-subtle);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s;
}
.logbook-toggle input:checked + .logbook-toggle-track { background: var(--primary-blue); }
.logbook-toggle-track::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    top: 3px;
    left: 3px;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.logbook-toggle input:checked + .logbook-toggle-track::after { transform: translateX(20px); }
.logbook-select {
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    background: var(--surface-white);
    color: var(--text-main);
    appearance: auto;
}
.logbook-settings-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}
.logbook-export-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--surface-white);
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.logbook-export-btn:hover { background: var(--bg-off-white); }
.logbook-clear-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    border: 1px solid var(--alert-red);
    border-radius: var(--radius-sm);
    background: none;
    color: var(--alert-red);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.logbook-clear-btn:hover { background: rgba(220,38,38,0.06); }

/* ── Dark Mode ── */
[data-theme="dark"] .logbook-sheet { background: var(--primary-navy); }
[data-theme="dark"] .logbook-condition-card { background: rgba(255,255,255,0.04); }
[data-theme="dark"] .logbook-history-entry { background: rgba(255,255,255,0.04); }
[data-theme="dark"] .logbook-history-entry:hover { background: rgba(255,255,255,0.08); }
[data-theme="dark"] .logbook-stat { background: rgba(255,255,255,0.04); }
[data-theme="dark"] .logbook-missed-banner { background: rgba(217,119,6,0.15); color: #fbbf24; }
[data-theme="dark"] .logbook-missed-banner button { background: #b45309; }
[data-theme="dark"] .logbook-export-banner { background: rgba(3,105,161,0.12); color: #7dd3fc; }
[data-theme="dark"] .logbook-export-banner-actions button { border-color: #7dd3fc; color: #7dd3fc; }
[data-theme="dark"] .logbook-export-banner-actions button.primary { background: #0369a1; color: #fff; }
[data-theme="dark"] .logbook-notes-input { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .logbook-entry-date input { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .logbook-cancel-btn { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .logbook-select { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .logbook-toggle-track { background: rgba(255,255,255,0.15); }
[data-theme="dark"] .logbook-severity-slider::-webkit-slider-thumb { background: var(--primary-navy); }
[data-theme="dark"] .logbook-severity-slider::-moz-range-thumb { background: var(--primary-navy); }

/* ── Responsive: centered bottom sheet on tablet ── */
@media (min-width: 640px) and (max-width: 767px) {
    .logbook-sheet {
        max-width: 480px;
        margin: 0 auto;
        left: 50%;
        transform: translateX(-50%) translateY(100%);
    }
    .logbook-drawer.open .logbook-sheet {
        transform: translateX(-50%) translateY(0);
    }
}

/* ── Desktop: regular centered modal ── */
@media (min-width: 768px) {
    .logbook-sheet {
        position: relative;
        bottom: auto;
        left: auto;
        right: auto;
        max-width: 540px;
        max-height: 85vh;
        margin: 2rem auto;
        border-radius: var(--radius-lg);
        transform: translateY(20px);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .logbook-drawer.open .logbook-sheet {
        transform: translateY(0);
        opacity: 1;
    }
    .logbook-drawer-overlay {
        backdrop-filter: blur(2px);
    }
    .logbook-drag-handle {
        display: none;
    }
    .logbook-drawer {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}