@import url('https://fonts.googleapis.com/css2?family=Zalando+Sans:wght@200;300;400;500;600;700;800;900&family=Roboto:wght@300;700;800;900&family=Barlow+Condensed:wght@500;600&display=swap');

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
input, button, select, textarea { font-family: inherit; }

:root {
    --primary: #000;
    --primary-dark: #000;
    --primary-light: #f0f0f0;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #000;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.06);
}

body {
    font-family: 'Zalando Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    color: #000;
    background: #fff;
    min-height: 100vh;
    scrollbar-gutter: stable;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Nav */
.site-header {
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 0.9rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo { text-decoration: none; display: flex; align-items: center; }
.logo-img { height: 28px; }

.nav-toggle-input { display: none; }
.nav-toggle-label { display: none; }

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #525252;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: #000; }
.nav-logout { color: var(--danger) !important; }

/* Content */
.content {
    flex: 1;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 1.5rem;
    color: #a3a3a3;
    font-size: 0.875rem;
    border-top: 1px solid #e5e5e5;
}

.site-footer a {
    color: #000;
    font-weight: 700;
    text-decoration: none;
}

.footer-legal-link {
    color: var(--gray-400) !important;
    font-weight: 400 !important;
    font-size: 0.8rem;
}

.footer-legal-link:hover {
    color: var(--gray-600) !important;
}

/* Legal Content */
.legal-content {
    max-width: 720px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 1.5rem 0 0.5rem;
    color: var(--gray-800);
}

.legal-content p {
    color: var(--gray-600);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.legal-content ul {
    margin: 0 0 1rem 1.5rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.legal-content li {
    margin-bottom: 0.25rem;
}

.legal-content hr {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 2.5rem 0;
}

/* Cards */
.card {
    background: #fff;
    /* border-radius: var(--radius); */
    /* border: 1px solid #e5e5e5; */
    padding: 1.5rem;
    /* margin-bottom: 1.5rem; */
}

.card h2 {
    font-size: 3.25rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 0.25rem;
    color: #000;
}

.meeting-creator-subtitle {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: #000;
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid #d4d4d4;
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000;
    box-shadow: 0 0 0 3px #f0f0f0;
}

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

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.form-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: #000;
    color: #fff;
}
.btn-primary:hover { background: #262626; }

.btn-success {
    background: var(--success);
    color: white;
}
.btn-success:hover { background: #15803d; }

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover { background: #b91c1c; }

.cancel-meeting-form {
    margin-top: 2rem;
    text-align: center;
}

.btn-outline {
    background: transparent;
    border: 2px solid #000;
    color: #000;
}
.btn-outline:hover {
    background: #000;
    color: #fff;
}

.btn-block { width: 100%; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.875rem; }
.participant-action-btn { width: 6.5rem; text-align: center; font-size: 0.75rem; padding: 0.25rem 0.5rem; margin-left: 0.5rem; box-sizing: border-box; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1.125rem; }

/* Messages */
.error-message {
    background: var(--danger-light);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border-left: 4px solid var(--danger);
}

.success-message {
    background: var(--success-light);
    color: var(--success);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border-left: 4px solid var(--success);
}

/* Calendar Grid */
.calendar-container {
    overflow-x: auto;
    /* margin: 1rem 0; */
}

.calendar-grid-wrapper {
    user-select: none;
    -webkit-user-select: none;
}

.calendar-desktop {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.calendar-mobile {
    display: none;
}

.calendar-week {
    display: grid;
    gap: 1px;
    position: relative;
}

.calendar-header-row {
    display: contents;
}

.calendar-month-cell {
    background: #fff;
    color: #000;
    padding: 0.85rem 0.35rem 0.75rem;
    text-align: left;
    font-weight: 600;
    font-size: 1.9rem;
    border: none;
    line-height: 1.1;
}

.calendar-header-cell {
    background: #f5f5f5;
    color: #000;
    padding: 0.5rem 0.25rem;
    text-align: center;
    font-weight: 200;
    font-size: 0.7rem;
    border: 1px solid #e5e5e5;
    text-transform: uppercase;
    line-height: 1.1;
}

.header-weekday {
    font-size: 0.65rem;
}

.header-day {
    font-size: 1.1rem;
    font-weight: 400;
}

.calendar-header-cell.time-label {
    background: #f5f5f5;
}

.calendar-header {
    background: #f5f5f5;
    color: #000;
    padding: 0.75rem 0.5rem;
    text-align: center;
    font-weight: 500;
    font-size: 0.875rem;
}

.calendar-row {
    display: contents;
}

.calendar-time-label {
    background: var(--gray-100);
    padding: 0.25rem;
    text-align: right;
    font-size: 0.65rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.calendar-time {
    background: var(--gray-100);
    padding: 0.5rem;
    text-align: right;
    font-size: 0.75rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.calendar-slot {
    padding: 0;
    text-align: center;
    cursor: pointer;
    border: 1px solid var(--gray-200);
    transition: all 0.15s;
    font-size: 0.75rem;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}


.calendar-slot.selected {
}
.calendar-slot.selected::after {
    content: '✓';
    font-size: 0.75rem;
    font-weight: 700;
    color: #000;
}

.calendar-slot.weekend { background: var(--gray-100); color: #000; }
.calendar-slot.weekend.selected { }
.calendar-header-cell.weekend { background: var(--gray-200); }

.calendar-slot.disabled {
    background: #e5e5e5 !important;
    cursor: default !important;
    pointer-events: none !important;
    border-color: #d4d4d4 !important;
    color: #d4d4d4 !important;
}


.calendar-header-cell.disabled {
    color: #c4c4c4 !important;
    background: #eee !important;
}

.calendar-slot.drag-preview.selected { background: #cdd9cd; }


.calendar-slot.available-1 { background: #cdd9cd; }
.calendar-slot.available-2 { background: #9bb39a; }
.calendar-slot.available-3 { background: #588157; }

/* Hour-slot cells (combined hour rows) */
.hour-slot {
    padding: 0;
    text-align: center;
    cursor: pointer;
    border: 1px solid var(--gray-200);
    transition: border-color 0.15s, box-shadow 0.15s;
    font-size: 0.75rem;
    text-transform: uppercase;
    /* font-weight: 300; */
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
    --base-bg: #fff;
    --avail-first: var(--base-bg);
    --avail-second: var(--base-bg);
    background: linear-gradient(to bottom, var(--avail-first) 50%, var(--avail-second) 50%);
}


.hour-slot.weekend { --base-bg: var(--gray-100); }

.hour-slot.disabled {
    background: #e5e5e5 !important;
    cursor: default !important;
    pointer-events: none !important;
    border-color: #d4d4d4 !important;
}

.hour-slot.drag-preview.selected-full { --avail-first: #cdd9cd; --avail-second: #cdd9cd; }
.hour-slot.drag-preview.selected-first { --avail-first: #cdd9cd; }
.hour-slot.drag-preview.selected-second { --avail-second: #cdd9cd; }

/* Per-half availability via data attributes */
.hour-slot[data-avail-first="1"] { --avail-first: #cdd9cd; }
.hour-slot[data-avail-first="2"] { --avail-first: #9bb39a; }
.hour-slot[data-avail-first="3"] { --avail-first: #588157; }
.hour-slot[data-avail-second="1"] { --avail-second: #cdd9cd; }
.hour-slot[data-avail-second="2"] { --avail-second: #9bb39a; }
.hour-slot[data-avail-second="3"] { --avail-second: #588157; }

/* Participant label overlay */
.slot-label {
    position: absolute;
    transform: translate(-50%, -50%);
    font-family: 'Barlow Condensed', 'Arial Narrow', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: rgba(0,0,0,0.55);
    pointer-events: none;
    z-index: 10;
    white-space: nowrap;
    line-height: 1;
}
.slot-label-light { color: rgba(255,255,255,0.85); }
.hour-slot[data-label] .block-tick { display: none; }

/* Selection border via box-shadow inset */
.hour-slot.selected-full { --avail-first: #a3c4a3; --avail-second: #a3c4a3; }
.hour-slot.selected-first { --avail-first: #a3c4a3; }
.hour-slot.selected-second { --avail-second: #a3c4a3; }
.hour-slot.selected-full,
.hour-slot.selected-first,
.hour-slot.selected-second {
    z-index: 1;
}

.block-tick { display: none; }

/* Handle classes kept for JS drag detection, no visual difference */


body.cal-resizing, body.cal-resizing * {
    cursor: ns-resize !important;
}

/* Hour row visibility */
.hour-row { display: contents; }

/* Calendar Legend */
.calendar-legend {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
}

.cal-status {
    font-size: 0.75rem;
    margin-left: auto;
    transition: opacity 0.3s;
}
.cal-status.saving { color: var(--gray-600); }
.cal-status.saved { color: #16a34a; }

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.legend-box {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    border: 1px solid var(--gray-300);
}

.legend-box.selected { background: #a3c4a3; border: 2px solid #000; }
.legend-box.available-1 { background: #cdd9cd; }
.legend-box.available-2 { background: #9bb39a; }
.legend-box.available-3 { background: #588157; }
.legend-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
}

.best-slot-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #d4a017;
}

.best-slot-highlight {
    position: relative;
}
.best-slot-highlight::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpolygon points='0,0 20,0 20,20' fill='%23d4a017'/%3E%3Ctext x='15' y='7' font-size='10' fill='white' text-anchor='middle' dominant-baseline='central'%3E%E2%98%85%3C/text%3E%3C/svg%3E") no-repeat;
    pointer-events: none;
    z-index: 2;
}

#best-slots-card:not(:has(h3)) { display: none; }

/* Best Slots */
.best-slots-list {
    list-style: none;
}

.best-slot-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    background: white;
}
.best-slot-item .btn-sm {
    min-width: 12rem;
    white-space: nowrap;
    text-align: center;
    box-sizing: border-box;
}

.best-slot-time {
    font-weight: 500;
    color: #000;
}

.best-slot-date {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.best-slot-count {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.best-slot-bar {
    width: 100px;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.best-slot-fill {
    height: 100%;
    background: var(--success);
    border-radius: 4px;
    transition: width 0.3s;
}

.best-slot-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    min-width: 40px;
    text-align: right;
}

.best-slot-rank {
    font-weight: 500;
    color: #000;
    font-size: 1.125rem;
    min-width: 2rem;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.share-preview {
    background: #f5f5f5;
    border: 1px solid #e5e5e5;
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-family: inherit;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0.75rem 0;
    color: #333;
    line-height: 1.5;
}

.share-copy-btn {
    min-width: 120px;
    text-align: center;
}

.participant-list {
    list-style: none;
}

.participant-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.participant-name { font-weight: 500; }
.participant-email { color: var(--gray-500); font-size: 0.875rem; }
.participant-slots { color: #000; font-size: 0.875rem; font-weight: 500; }

/* Meeting List */
.meeting-list { list-style: none; }

.meeting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid #e5e5e5;
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    background: #fff;
    transition: box-shadow 0.2s;
}

.meeting-item:hover { box-shadow: var(--shadow-md); }
.meeting-item-link { text-decoration: none; color: inherit; display: block; }

.meeting-item-info h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.meeting-item-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.meeting-details-line {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-open { background: var(--success-light); color: var(--success); }
.status-closed { background: var(--gray-200); color: var(--gray-600); }

/* Home Page */
.hero {
    text-align: center;
    padding: 2rem 1rem;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 500;
    color: #000;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    color: #525252;
    max-width: 600px;
    margin: 0 auto;
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin-top: 2rem;
}

.cta-hint {
    margin-top: 1rem;
    color: var(--gray-500);
}

.participant-hint {
    text-align: center;
    color: var(--gray-500);
    margin-top: 3rem;
    font-size: 0.9rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 1rem 0.5rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #000;
}

.feature-card p {
    color: #525252;
    font-size: 0.9rem;
}

/* Auth Pages */
.auth-container {
    max-width: 420px;
    margin: 2rem auto;
}

.participant-form {
    padding-top: 1.5rem;
}

.code-input {
    letter-spacing: 0.5rem;
    font-size: 1.5rem;
    text-align: center;
    font-family: monospace;
}

/* Verification badge */
.verified-badge {
    color: var(--success);
    font-size: 0.75rem;
    font-weight: 600;
}

/* HTMX loading indicator */
.htmx-indicator {
    display: none;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: inline-block;
}

.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Add Week Button */
.add-week-btn {
    margin-top: 0.75rem;
}

.calendar-creator-actions {
    margin-top: 1rem;
}

.share-btn-disabled {
    opacity: 0.4;
}

.share-btn-hint {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

.share-btn-hint.visible {
    display: block;
}

/* Calendar Tooltip (mobile long-press) */
.cal-tooltip {
    position: fixed;
    z-index: 200;
    background: var(--gray-800);
    color: #fff;
    font-size: 0.8125rem;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    max-width: 240px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cal-tooltip.visible {
    opacity: 1;
}

/* Confirm Dialog */
.confirm-dialog {
    border: none;
    border-radius: var(--radius);
    padding: 0;
    max-width: 420px;
    width: calc(100% - 2rem);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
}

.confirm-dialog::backdrop {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
}

.confirm-dialog-content {
    padding: 1.5rem;
}

.confirm-dialog-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #000;
}

.confirm-dialog-message {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    white-space: pre-line;
}

.confirm-dialog-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Resend Code */
.resend-code {
    text-align: center;
    margin-top: 1rem;
}

.resend-code-link {
    background: none;
    border: none;
    color: var(--gray-500);
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.resend-code-link:hover {
    color: var(--gray-700);
}

/* Nav User Email */
.nav-user-email {
    color: var(--gray-400);
    font-size: 0.8125rem;
}

/* Closed Meeting Info */
.closed-meeting-info {
    text-align: center;
    margin: 1.5rem 0 0.5rem;
    padding: 1.25rem;
    background: #f0f7f0;
    border-radius: 0.75rem;
}
.closed-meeting-date {
    font-size: 1.25rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 0.25rem;
}
.closed-meeting-time {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* Participant Done Hint */
.participant-done-hint {
    text-align: center;
    color: var(--gray-500);
    padding-top: 1.5rem;
}

/* Share Native Button (mobile only) */
.share-native-btn { display: none; }

/* Form Validation Hints */
.form-validation-hint { font-size: 0.75rem; color: var(--gray-400); margin-top: 0.25rem; display: block; }
.form-validation-hint.invalid { color: var(--danger); }

/* Disabled Buttons */
button:disabled { opacity: 0.7; cursor: not-allowed; }

.mobile-only { display: none; }
@media (max-width: 768px) {
    .desktop-only { display: none; }
    .mobile-only { display: block; }
}

/* Responsive */
@media (max-width: 768px) {
    .share-native-btn { display: block; margin-top: 0.75rem; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .features { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero { padding: 2rem 1rem 1rem; }
    .hero h2 { font-size: 1.75rem; }
    .hero p { font-size: 1rem; }
    .nav-container { flex-wrap: wrap; }
    .nav-toggle-label {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 4px;
    }
    .hamburger-bar {
        display: block;
        width: 24px;
        height: 2px;
        background: #333;
        border-radius: 2px;
        transition: transform 0.2s, opacity 0.2s;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding-top: 0.75rem;
    }
    .nav-links li { padding: 0.5rem 0; }
    .nav-toggle-input:checked ~ .nav-links { display: flex; }
    .nav-toggle-input:checked ~ .nav-toggle-label .hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle-input:checked ~ .nav-toggle-label .hamburger-bar:nth-child(2) { opacity: 0; }
    .nav-toggle-input:checked ~ .nav-toggle-label .hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .calendar-desktop { display: none; }
    .calendar-mobile { display: flex; flex-direction: column; gap: 1rem; }
}

@media (max-width: 480px) {
    .content { padding: 0 0.5rem; margin: 1rem auto; }
    .nav-container { padding: 0 1.25rem; }
    .card { padding: 0.75rem; }
    .calendar-container.card { padding: 0.5rem; }
    .calendar-slot { min-height: 28px; font-size: 0.625rem; }
    .calendar-month-cell { font-size: 1rem; padding: 0.25rem; }
    .calendar-header-cell { padding: 0.5rem 0.15rem; font-size: 0.6rem; }
    .card h2 { font-size: 2.275rem; }
    .calendar-legend { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}