/* ===== Design Tokens ===== */
:root {
    color-scheme: light;
    --primary: #0078d4;
    --primary-hover: #106ebe;
    --primary-light: #deecf9;
    --primary-lighter: #eff6fc;

    --busy: #d13438;
    --busy-bg: #fde7e9;
    --tentative: #f7630c;
    --tentative-bg: #fff4ce;
    --free: #107c10;
    --free-bg: #dff6dd;
    --cancelled: #8a8886;
    --cancelled-bg: #f3f2f1;

    --bg: #faf9f8;
    --surface: #ffffff;
    --surface-alt: #f3f2f1;
    --border: #edebe9;
    --border-strong: #d2d0ce;

    --text: #323130;
    --text-secondary: #605e5c;
    --text-muted: #a19f9d;
    --text-on-primary: #ffffff;

    --shadow-sm: 0 1.6px 3.6px rgba(0,0,0,.13), 0 .3px .9px rgba(0,0,0,.11);
    --shadow-md: 0 3.2px 7.2px rgba(0,0,0,.13), 0 .6px 1.8px rgba(0,0,0,.11);
    --shadow-lg: 0 6.4px 14.4px rgba(0,0,0,.13), 0 1.2px 3.6px rgba(0,0,0,.11);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
    --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
}


/* ===== Dark Theme ===== */
[data-theme="dark"] {
    --primary: #4da6ff;
    --primary-hover: #3a8fd9;
    --primary-light: #1a3a5c;
    --primary-lighter: #0f2440;

    --busy: #ff6b6b;
    --busy-bg: #3d1a1a;
    --tentative: #ffa94d;
    --tentative-bg: #3d2e14;
    --free: #51cf66;
    --free-bg: #133a13;
    --cancelled: #868e96;
    --cancelled-bg: #2a2a2a;

    --bg: #0f0f1a;
    --surface: #1a1a2e;
    --surface-alt: #21213b;
    --border: #2e2e4a;
    --border-strong: #3e3e5e;

    --text: #e4e4ef;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --text-on-primary: #ffffff;

    --shadow-sm: 0 1.6px 3.6px rgba(0,0,0,.45), 0 .3px .9px rgba(0,0,0,.36);
    --shadow-md: 0 3.2px 7.2px rgba(0,0,0,.45), 0 .6px 1.8px rgba(0,0,0,.36);
    --shadow-lg: 0 6.4px 14.4px rgba(0,0,0,.45), 0 1.2px 3.6px rgba(0,0,0,.36);
    color-scheme: dark;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ===== App Shell ===== */
.app-shell { display: flex; flex-direction: column; min-height: 100vh; }

.top-nav {
    background: var(--primary);
    color: var(--text-on-primary);
    display: flex;
    align-items: center;
    padding: 0 var(--sp-6);
    height: 48px;
    gap: var(--sp-4);
    flex-shrink: 0;
    z-index: 100;
}
.top-nav .brand { font-weight: 600; font-size: 1rem; white-space: nowrap; }
.top-nav .nav-links { display: flex; gap: var(--sp-2); margin-left: auto; }
.top-nav .nav-links a {
    color: rgba(255,255,255,.85);
    text-decoration: none;
    font-size: .875rem;
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-sm);
    transition: background .15s;
}
.top-nav .nav-links a:hover,
.top-nav .nav-links a.active { background: rgba(255,255,255,.15); color: #fff; }

.theme-toggle {
    background: rgba(255,255,255,.15);
    border: none;
    color: rgba(255,255,255,.9);
    font-size: 1.1rem;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
    flex-shrink: 0;
}
.theme-toggle:hover { background: rgba(255,255,255,.25); }

/* ===== Toolbar ===== */
.toolbar {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-6);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.toolbar .month-label { font-size: 1.25rem; font-weight: 600; min-width: 200px; }
.toolbar .nav-btns { display: flex; gap: var(--sp-1); }
.toolbar .toolbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.toolbar .view-switcher {
    display: flex;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.toolbar .view-switcher button {
    padding: var(--sp-1) var(--sp-3);
    border: none;
    background: var(--surface);
    cursor: pointer;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background .15s, color .15s;
}
.toolbar .view-switcher button + button { border-left: 1px solid var(--border-strong); }
.toolbar .view-switcher button.active { background: var(--primary); color: var(--text-on-primary); }
.toolbar .view-switcher button:hover:not(.active) { background: var(--surface-alt); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-3);
    font-size: .8125rem;
    font-weight: 500;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: background .15s, border-color .15s;
    white-space: nowrap;
    text-decoration: none;
}
.btn:hover { background: var(--surface-alt); }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--primary); color: var(--text-on-primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { background: var(--busy); color: #fff; border-color: var(--busy); }
.btn-danger:hover { background: #a4262c; border-color: #a4262c; }
.btn-sm { padding: 2px var(--sp-2); font-size: .75rem; }
.btn-icon { width: 32px; height: 32px; padding: 0; font-size: 1rem; }

/* ===== Member Pills ===== */
.member-pills {
    display: flex;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-6);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    align-items: center;
}
.member-pills .label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-right: var(--sp-2);
}
.pill {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-3);
    border-radius: 999px;
    font-size: .8125rem;
    font-weight: 500;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .15s;
    user-select: none;
    background: var(--surface-alt);
    color: var(--text-secondary);
}
.pill .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.pill.active { background: var(--primary-light); color: var(--text); border-color: var(--primary); }
.pill:hover:not(.active) { background: var(--border); }

/* ===== Main Content ===== */
.main-content { flex: 1; display: flex; overflow: hidden; min-height: 0; }
.calendar-area { flex: 1; overflow: auto; padding: var(--sp-4); -webkit-overflow-scrolling: touch; }

/* ===== Month Grid ===== */
.month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--surface);
}
.month-grid .day-header {
    padding: var(--sp-2) var(--sp-1);
    text-align: center;
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border);
}
.month-grid .day-cell {
    min-height: 100px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: var(--sp-1);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: background .1s;
    position: relative;
}
.month-grid .day-cell.last-in-row { border-right: none; }
.month-grid .day-cell:hover { background: var(--primary-lighter); }
.month-grid .day-cell.today { background: var(--primary-lighter); }
.month-grid .day-cell.outside { opacity: .4; }
.month-grid .day-cell.selected { box-shadow: inset 0 0 0 2px var(--primary); }
.day-number {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 2px var(--sp-1);
    text-align: right;
}
.day-cell.today .day-number {
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    width: 24px; height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}
.day-events { display: flex; flex-direction: column; gap: 1px; margin-top: 2px; overflow: hidden; flex: 1; }
.day-event {
    font-size: .6875rem;
    padding: 1px 4px;
    border-radius: 2px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    cursor: pointer;
}
.day-event.all-day { font-weight: 600; }
.day-event.availability-tentative {
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 4px,
        rgba(255,255,255,.35) 4px,
        rgba(255,255,255,.35) 8px
    );
}
.day-event.availability-free { opacity: .6; }
.day-event.availability-cancelled { opacity: .45; text-decoration: line-through; }
.more-events {
    font-size: .6875rem;
    color: var(--text-secondary);
    padding: 1px 4px;
    cursor: pointer;
    font-weight: 500;
}
.more-events:hover { color: var(--primary); text-decoration: underline; }

/* ===== Day Detail Panel ===== */
.day-panel {
    width: 340px;
    background: var(--surface);
    border-left: 1px solid var(--border);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}
.day-panel.hidden { display: none; }
.day-panel-header {
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.day-panel-header h3 { font-size: 1rem; font-weight: 600; }
.day-panel-body { flex: 1; padding: var(--sp-3) var(--sp-5); overflow-y: auto; }

/* ===== Event Cards ===== */
.event-card {
    padding: var(--sp-3);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--surface-alt);
    margin-bottom: var(--sp-2);
    transition: box-shadow .15s;
}
.event-card:hover { box-shadow: var(--shadow-sm); }
.event-card.avail-card-tentative {
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 6px,
        rgba(0,0,0,.06) 6px,
        rgba(0,0,0,.06) 12px
    );
}
.event-card .ev-time { font-size: .75rem; color: var(--text-muted); margin-bottom: 2px; }
.event-card .ev-title { font-size: .875rem; font-weight: 600; display: flex; align-items: center; gap: var(--sp-2); }
.event-card .ev-meta { font-size: .75rem; color: var(--text-secondary); margin-top: 2px; }
.event-card .avail-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: .625rem;
    font-weight: 700;
    text-transform: uppercase;
}
.avail-busy { background: var(--busy-bg); color: var(--busy); }
.avail-tentative { background: var(--tentative-bg); color: var(--tentative); }
.avail-free { background: var(--free-bg); color: var(--free); }
.avail-cancelled { background: var(--cancelled-bg); color: var(--cancelled); }
.event-card .member-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

/* ===== List View ===== */
.list-view { display: none; }
.list-view.active { display: block; }
.month-grid-wrap { display: block; }
.month-grid-wrap.hidden { display: none; }
.list-view .date-group-header {
    padding: var(--sp-2) 0;
    font-size: .875rem;
    font-weight: 600;
    color: var(--text);
    border-bottom: 2px solid var(--primary);
    margin-top: var(--sp-5);
    margin-bottom: var(--sp-2);
}
.list-view .date-group-header:first-child { margin-top: 0; }

/* ===== Feed URL Bar ===== */
.feed-bar {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-6);
    background: var(--primary-lighter);
    border-bottom: 1px solid var(--border);
    font-size: .8125rem;
}
.feed-bar code {
    flex: 1;
    padding: var(--sp-1) var(--sp-3);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Consolas','Monaco', monospace;
    font-size: .8125rem;
    word-break: break-all;
}
.feed-bar .copy-feedback { font-size: .75rem; color: var(--free); font-weight: 600; opacity: 0; transition: opacity .2s; }
.feed-bar .copy-feedback.show { opacity: 1; }
.combined-feed-bar { background: var(--surface); }

/* ===== Empty State ===== */
.empty-state { text-align: center; padding: var(--sp-10); color: var(--text-muted); }
.empty-state p { margin: var(--sp-2) 0; }
.empty-state .big { font-size: 1.25rem; color: var(--text-secondary); }
.empty-state a { color: var(--primary); text-decoration: none; }
.empty-state a:hover { text-decoration: underline; }

/* ===== Admin ===== */
.admin-container { max-width: 960px; margin: 0 auto; padding: var(--sp-6); }
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-6);
    flex-wrap: wrap;
    gap: var(--sp-3);
}
.admin-header h1 { font-size: 1.5rem; font-weight: 600; }
.admin-actions { display: flex; gap: var(--sp-2); }

.member-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-bottom: var(--sp-5);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.member-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--border);
    gap: var(--sp-3);
}
.member-card-header .member-title { display: flex; align-items: center; gap: var(--sp-3); }
.member-card-header .color-chip { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.member-card-header h2 { font-size: 1.125rem; font-weight: 600; }
.member-card-header .feed-link { font-family: monospace; font-size: .75rem; color: var(--text-muted); word-break: break-all; }
.member-card-body { padding: var(--sp-4) var(--sp-5); }
.member-card-body .section-label { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-3); }
.member-card-body .section-label strong { font-size: .875rem; }

.cal-row {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3);
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: var(--sp-2);
}
.cal-row .cal-info { flex: 1; min-width: 0; }
.cal-row .cal-name { font-weight: 600; font-size: .875rem; }
.cal-row .cal-url { font-size: .75rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cal-row .cal-actions { display: flex; gap: var(--sp-2); flex-shrink: 0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .6875rem; font-weight: 600; }
.badge-details { background: var(--free-bg); color: var(--free); }
.badge-privacy { background: var(--tentative-bg); color: var(--tentative); }

.status-row {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
    padding: var(--sp-3) var(--sp-5);
    border-top: 1px solid var(--border);
    font-size: .75rem;
    color: var(--text-secondary);
}
.status-row .stat { display: flex; gap: var(--sp-1); align-items: center; }
.status-row .stat b { color: var(--text); }

/* ===== Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 200;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--sp-6);
    width: 90%;
    max-width: 480px;
    animation: fadeUp .2s ease;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.modal-box h2 { font-size: 1.25rem; margin-bottom: var(--sp-5); }
.form-group { margin-bottom: var(--sp-4); }
.form-group label { display: block; margin-bottom: var(--sp-1); font-size: .8125rem; font-weight: 600; }
.form-group input[type="text"],
.form-group input[type="url"],
.form-group select {
    width: 100%;
    padding: var(--sp-2) var(--sp-3);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: .875rem;
    transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light); }
.form-group small { font-size: .75rem; color: var(--text-muted); }
.form-group .checkbox-row { display: flex; align-items: center; gap: var(--sp-2); }
.form-group .checkbox-row input[type="checkbox"] { width: 16px; height: 16px; }
.form-buttons { display: flex; justify-content: flex-end; gap: var(--sp-2); margin-top: var(--sp-5); }

.alert-toast { position: fixed; top: 60px; right: var(--sp-6); z-index: 300; display: flex; flex-direction: column; gap: var(--sp-2); }
.alert-msg {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-md);
    font-size: .8125rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: slideInRight .25s ease;
    max-width: 380px;
}
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
.alert-msg.success { background: var(--free-bg); color: #0b6a0b; border: 1px solid var(--free); }
.alert-msg.error { background: var(--busy-bg); color: #8b1a1a; border: 1px solid var(--busy); }

/* ===== Week View - Proportional Layout ===== */
.week-grid-wrap { overflow: hidden; -webkit-overflow-scrolling: touch; }
.week-grid { width: 100%; height: 100%; display: flex; flex-direction: column; }
.week-header-row {
    display: grid;
    grid-template-columns: 80px repeat(7, 1fr);
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-shrink: 0;
}
.week-header-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--sp-2) var(--sp-1);
    font-size: .8125rem;
    gap: 2px;
}
.week-header-cell.today { background: var(--primary-lighter); }
.week-day-name { font-weight: 600; color: var(--text-muted); text-transform: uppercase; font-size: .6875rem; }
.week-day-num { font-size: 1.25rem; font-weight: 600; color: var(--text-secondary); }
.week-day-num.today-num {
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.week-allday-row {
    display: grid;
    grid-template-columns: 80px repeat(7, 1fr);
    border-bottom: 1px solid var(--border);
    min-height: 28px;
    flex-shrink: 0;
}
.week-allday-cell {
    padding: 2px 3px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.week-allday-cell:last-child { border-right: 1px solid var(--border); }

.week-body-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
}
.week-body-inner {
    display: flex;
    position: relative;
    min-height: 1440px; /* 24 hours * 60px */
}
.week-time-column {
    width: 80px;
    flex-shrink: 0;
    background: var(--surface-alt);
    border-right: 1px solid var(--border);
    position: sticky;
    left: 0;
    z-index: 5;
}
.week-hour-slot {
    border-bottom: 1px solid var(--border);
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 4px 12px 0 0;
}
.week-time-label {
    font-size: .7rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1;
}

.week-days-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    position: relative;
}
.week-day-column {
    position: relative;
    border-right: 1px solid var(--border);
    background: var(--surface);
}
.week-day-column:last-child { border-right: none; }
.week-day-column.today {
    background: rgba(0, 120, 212, .03);
}
.week-hour-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
    pointer-events: none;
}

.week-event-positioned {
    position: absolute;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    padding: 4px 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: box-shadow .15s, transform .15s, z-index .15s;
    font-size: .75rem;
    line-height: 1.3;
    border: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1;
    box-sizing: border-box;
}
.week-event-positioned:hover {
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
    transform: scale(1.02);
    z-index: 10;
}
.week-event-positioned.week-event-tentative {
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 4px,
        rgba(255,255,255,.3) 4px,
        rgba(255,255,255,.3) 8px
    );
}
.week-ev-time {
    font-weight: 700;
    font-size: .7rem;
    opacity: 0.95;
    margin-bottom: 1px;
}
.week-ev-title {
    font-weight: 600;
    font-size: .75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
}
.week-ev-loc {
    font-size: .65rem;
    opacity: 0.85;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.week-event-allday { 
    font-weight: 600;
    font-size: .75rem;
    padding: 2px 6px;
    border-radius: 3px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    line-height: 1.4;
}

.print-week-sheet { display: none; }

/* ===== Login Page ===== */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}
.login-box {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--sp-8);
    width: 90%;
    max-width: 380px;
    text-align: center;
}
.login-box .login-icon { font-size: 3rem; margin-bottom: var(--sp-3); }
.login-box h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: var(--sp-2); }
.login-box p { font-size: .875rem; color: var(--text-secondary); margin-bottom: var(--sp-6); }
.login-box .form-group { margin-bottom: var(--sp-4); text-align: left; }
.login-box .form-group label { display: block; margin-bottom: var(--sp-1); font-size: .8125rem; font-weight: 600; }
.login-box input[type="password"] {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color .15s, box-shadow .15s;
}
.login-box input[type="password"]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.login-box .btn-login {
    width: 100%;
    padding: var(--sp-3);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: var(--text-on-primary);
    cursor: pointer;
    transition: background .15s;
}
.login-box .btn-login:hover { background: var(--primary-hover); }
.login-error { color: var(--busy); font-size: .8125rem; margin-bottom: var(--sp-3); }

/* ===== Tooltip ===== */
.ev-tooltip {
    position: fixed;
    z-index: 500;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--sp-3) var(--sp-4);
    max-width: 300px;
    pointer-events: none;
    font-size: .8125rem;
}
.ev-tooltip .tt-title { font-weight: 600; margin-bottom: 2px; }
.ev-tooltip .tt-time { color: var(--text-secondary); font-size: .75rem; }
.ev-tooltip .tt-loc { color: var(--text-muted); font-size: .75rem; margin-top: 2px; }
.ev-tooltip .tt-member { font-size: .6875rem; color: var(--text-muted); margin-top: 4px; }

/* ===== Search Bar ===== */
.search-bar {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    flex: 1;
    max-width: 300px;
    min-width: 140px;
}
.search-bar input {
    width: 100%;
    padding: var(--sp-1) var(--sp-3);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: .8125rem;
    background: var(--surface);
    color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}
.search-bar input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light); }
.search-bar input::placeholder { color: var(--text-muted); }
.search-count { font-size: .75rem; color: var(--text-muted); white-space: nowrap; }
mark { background: #fff3bf; color: #333; border-radius: 2px; padding: 0 1px; }
[data-theme="dark"] mark { background: #5c4d00; color: #ffe066; }

/* ===== Refresh Indicator ===== */
.refresh-indicator {
    font-size: .6875rem;
    color: var(--text-muted);
    white-space: nowrap;
    transition: opacity .3s;
}
.refresh-updated {
    color: var(--free);
    font-weight: 600;
    animation: fadeOut 3s forwards;
}
@keyframes fadeOut { 0% { opacity: 1; } 70% { opacity: 1; } 100% { opacity: 0; } }
.btn-refresh-spin { animation: spin .6s linear; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.refresh-select {
    padding: 2px var(--sp-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: .6875rem;
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
}

/* ===== Event Detail Modal ===== */
.event-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 300;
    align-items: center;
    justify-content: center;
}
.event-modal-overlay.active { display: flex; }
.event-modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    animation: fadeUp .2s ease;
}
.event-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--sp-5) var(--sp-5) var(--sp-3);
    gap: var(--sp-3);
}
.event-modal-header h3 { font-size: 1.125rem; font-weight: 600; flex: 1; }
.event-modal-body { padding: 0 var(--sp-5) var(--sp-5); }
.event-modal-body .modal-row {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    padding: var(--sp-2) 0;
    font-size: .875rem;
    border-bottom: 1px solid var(--border);
}
.event-modal-body .modal-row:last-child { border-bottom: none; }
.event-modal-body .modal-icon { flex-shrink: 0; width: 20px; text-align: center; }
.event-modal-body .modal-label { color: var(--text-muted); font-size: .75rem; margin-bottom: 2px; }
.event-modal-body .modal-value { flex: 1; word-break: break-word; }
.event-modal-body .modal-member {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: var(--sp-2);
}
.event-modal-body .modal-member .member-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ===== Multi-Day Spanning ===== */
.span-row {
    grid-column: 1 / -1;
    border-bottom: 1px solid var(--border);
}
.span-row-inner {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px 0;
    padding: 2px 1px;
}
.span-event {
    padding: 1px 4px;
    border-radius: 3px;
    color: #fff;
    font-size: .6875rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    line-height: 1.4;
    margin: 0 1px;
}
.span-event.availability-tentative {
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 4px,
        rgba(255,255,255,.35) 4px,
        rgba(255,255,255,.35) 8px
    );
}
.span-event.availability-free { opacity: .6; }
.span-event.availability-cancelled { opacity: .45; text-decoration: line-through; }

/* ===== Color Picker ===== */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: var(--sp-2);
}
.color-picker-group input[type="color"] {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 2px;
    cursor: pointer;
    background: var(--surface);
}
.color-swatches {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.color-swatch {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color .15s, transform .15s;
}
.color-swatch:hover { transform: scale(1.2); }
.color-swatch.active { border-color: var(--text); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .day-panel { display: none !important; }
    .month-grid .day-cell { min-height: 70px; }
    .toolbar .month-label { min-width: auto; font-size: 1rem; }
    .week-time-column { width: 54px; }
    .week-header-row,
    .week-allday-row { grid-template-columns: 54px repeat(7, 1fr); }
    .search-bar { max-width: 200px; }
}
@media (max-width: 600px) {
    .top-nav { padding: 0 var(--sp-3); height: 44px; }
    .top-nav .brand { font-size: .875rem; }
    .toolbar { padding: var(--sp-2) var(--sp-3); gap: var(--sp-2); }
    .toolbar .month-label { font-size: .875rem; }
    .member-pills { padding: var(--sp-2) var(--sp-3); }
    .pill { font-size: .75rem; padding: 2px var(--sp-2); }
    .calendar-area { padding: var(--sp-2); }
    .month-grid .day-cell { min-height: 56px; }
    .day-event { font-size: .625rem; padding: 1px 3px; }
    .day-number { font-size: .6875rem; }
    .day-cell.today .day-number { width: 20px; height: 20px; font-size: .625rem; }
    .feed-bar { flex-wrap: wrap; padding: var(--sp-2) var(--sp-3); font-size: .75rem; }
    .feed-bar code { font-size: .6875rem; }
    .admin-container { padding: var(--sp-3); }
    .member-card-header { flex-direction: column; align-items: flex-start; }
    .cal-row { flex-direction: column; align-items: flex-start; }
    .cal-row .cal-actions { width: 100%; justify-content: flex-end; }
    .view-switcher button { font-size: .75rem; padding: var(--sp-1) var(--sp-2); }
    .btn-icon { width: 28px; height: 28px; font-size: .875rem; }
    .week-time-column { width: 44px; }
    .week-header-row,
    .week-allday-row { grid-template-columns: 44px repeat(7, 1fr); }
    .week-header-cell { font-size: .6875rem; padding: var(--sp-1) 1px; }
    .week-day-num { font-size: 1rem; }
    .week-day-num.today-num { width: 26px; height: 26px; }
    .week-time-label { font-size: .625rem; }
    .week-event-positioned { font-size: .65rem; padding: 3px 4px; }
    .week-ev-time { font-size: .625rem; }
    .week-ev-title { font-size: .65rem; }
    .week-ev-loc { font-size: .5625rem; }
    .event-card { padding: var(--sp-2); }
    .event-card .ev-title { font-size: .8125rem; }
    .event-card .ev-time { font-size: .6875rem; }
    .event-card .ev-meta { font-size: .6875rem; }
    .ev-tooltip { max-width: 240px; font-size: .75rem; }
    .modal-box { width: 95%; padding: var(--sp-4); }
    .modal-box h2 { font-size: 1.1rem; }
    .login-box { padding: var(--sp-5); }
    .login-box h1 { font-size: 1.25rem; }
    .search-bar { max-width: 160px; min-width: 100px; }
    .search-bar input { font-size: .75rem; }
    .event-modal { width: 95%; }
    .span-event { font-size: .5625rem; }
}
@media (max-width: 400px) {
    .toolbar { flex-wrap: wrap; justify-content: center; }
    .toolbar .toolbar-right { margin-left: 0; width: 100%; justify-content: center; }
    .toolbar .view-switcher button { flex: 1; text-align: center; }
    .month-grid .day-cell { min-height: 48px; }
    .day-event { font-size: .5625rem; }
    .member-pills .label { display: none; }
    .pill .dot { width: 8px; height: 8px; }
    .pill { font-size: .6875rem; }
    .top-nav .brand { font-size: .8125rem; }
    .top-nav .nav-links a { font-size: .75rem; padding: var(--sp-1) var(--sp-2); }
    .search-bar { max-width: 100%; flex: 1 1 100%; order: 99; }
}

@media print {
    @page {
        size: letter landscape;
        margin: 0.45in;
    }

    .top-nav, .toolbar, .member-pills, .feed-bar, .combined-feed-bar,
    .day-panel, .btn, .theme-toggle, .ev-tooltip, .event-modal-overlay,
    .search-bar, .refresh-indicator, .refresh-select, .empty-state,
    #btnRefresh, #printModeSelect { display: none !important; }

    body {
        background: #fff !important;
        color: #000 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        font-size: 10pt;
    }

    .app-shell { display: block; }
    .main-content { display: block; overflow: visible; margin: 0; padding: 0; }
    .calendar-area { padding: 0; overflow: visible; background: white; }

    .month-grid-wrap,
    .week-grid-wrap,
    .list-view,
    .day-panel,
    .empty-state {
        display: none !important;
    }

    .print-week-sheet {
        display: block !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .print-sheet-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        gap: 12pt;
        border-bottom: 2px solid #111;
        margin-bottom: 10pt;
        padding-bottom: 6pt;
    }

    .print-sheet-title {
        font-size: 15pt;
        font-weight: 700;
    }

    .print-sheet-range {
        margin-top: 2pt;
        font-size: 9.5pt;
        color: #333;
    }

    .print-sheet-meta {
        font-size: 8.5pt;
        color: #444;
        white-space: nowrap;
        text-align: right;
    }

    .print-day-block {
        border: 1px solid #444;
        margin-bottom: 8pt;
        page-break-inside: avoid;
        break-inside: avoid;
    }

    .print-day-header {
        padding: 4pt 6pt;
        font-size: 10pt;
        font-weight: 700;
        color: #000;
        background: #f0f0f0;
        border-bottom: 1px solid #666;
    }

    .print-events-table {
        width: 100%;
        border-collapse: collapse;
        table-layout: fixed;
    }

    .print-events-table th,
    .print-events-table td {
        border: 1px solid #c6c6c6;
        padding: 4pt 5pt;
        vertical-align: top;
        font-size: 8.5pt;
        color: #111;
    }

    .print-events-table th {
        background: #f7f7f7;
        text-transform: uppercase;
        letter-spacing: .02em;
        font-size: 7.5pt;
        color: #222;
    }

    .print-events-table .col-time {
        width: 12%;
        white-space: nowrap;
        font-weight: 600;
    }

    .print-events-table .col-event {
        width: 36%;
    }

    .print-events-table .col-member {
        width: 16%;
    }

    .print-events-table .col-location {
        width: 24%;
    }

    .print-events-table .col-status {
        width: 12%;
        white-space: nowrap;
        text-transform: capitalize;
    }

    .print-event-title {
        font-weight: 600;
    }

    .print-member-cell {
        display: inline-flex;
        align-items: center;
        gap: 4pt;
    }

    .print-member-dot {
        width: 8pt;
        height: 8pt;
        border-radius: 50%;
        border: 1px solid #222;
        flex-shrink: 0;
    }

    .print-event-row.print-all-day .col-time {
        font-style: italic;
    }

    .print-event-row.print-tentative .col-status {
        font-style: italic;
    }

    .print-no-events td {
        padding: 6pt;
        text-align: center;
        color: #666;
        font-style: italic;
    }

    .print-sheet-footer {
        margin-top: 8pt;
        text-align: right;
        font-size: 8pt;
        color: #555;
    }

    body.print-color-mode .print-day-header {
        background: #e8edf7;
    }

    body.print-color-mode .print-event-row .col-time {
        border-left: 3pt solid var(--print-event-color, #0078d4);
    }

    body.print-color-mode .print-member-dot {
        border-color: rgba(0, 0, 0, 0.3);
    }
}