:root {
    --primary-color: #2c3e50;
    --primary-light: #34495e;
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --danger-hover: #c0392b;
    --background-color: #f5f7fa;
    --surface-color: #ffffff;
    --bg-alt: #f9fbfc;
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #e1e8ed;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-main);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

p {
    margin-bottom: 0.75rem;
}

.hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

header {
    background-color: var(--surface-color);
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

header h2 {
    margin: 0;
    font-size: 1.15rem;
}

nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

nav button {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}

nav button:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Menu Bar */
.menu-bar {
    display: flex;
    gap: 0;
    background: var(--surface-color);
    border-bottom: 2px solid var(--border-color);
    padding: 0 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE 10+ */
}

.menu-bar::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari */
}

.menu-item {
    padding: 0.6rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}

.menu-item:hover {
    color: var(--primary-color);
    background: var(--bg-alt);
}

.menu-item.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    font-weight: 600;
}

/* Cards */
.card {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.25rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--primary-color);
    font-size: 0.925rem;
}

.pref-label {
    font-size: 0.85rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.pref-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-alt);
    margin-top: 0.25rem;
}

.pref-spacer {
    visibility: visible;
    /* Spacer so Saturday PM appears in right column */
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    font-size: 0.925rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    text-decoration: none;
}

.btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-alt);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #e8edf2;
}

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

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

.btn-success {
    background-color: var(--success-color);
    color: white;
}

/* Utility */
.hidden {
    display: none !important;
}

.mt-1 {
    margin-top: 0.75rem;
}

.mt-2 {
    margin-top: 1.5rem;
}

.mb-1 {
    margin-bottom: 0.75rem;
}

.mb-2 {
    margin-bottom: 1.5rem;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}

.stat-card {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-top: 0.2rem;
}

/* Widget Grid */
.widget-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
}

.widget {
    padding: 0.75rem;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.widget h4 {
    margin: 0 0 0.35rem 0;
    font-size: 0.9rem;
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
}

.widget li {
    padding: 0.2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.widget li:last-child {
    border-bottom: none;
}

/* Weekend Card on Volunteer Dashboard */
.weekend-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}

.weekend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.weekend-header h4 {
    margin: 0;
    font-size: 0.95rem;
}

.weekend-body {
    margin-top: 0.5rem;
}

.weekend-notes {
    font-size: 0.825rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    padding: 0.35rem 0.5rem;
    background: #fef9e7;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--warning-color);
}

.day-row {
    padding: 0.35rem 0;
    border-top: 1px solid var(--border-color);
}

.day-row strong {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.shift-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.shift-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--surface-color);
    font-size: 0.85rem;
    flex: 1;
    min-width: 180px;
    max-width: 300px;
}

.shift-chip .chip-label {
    flex: 1;
    font-weight: 500;
}

.shift-chip select {
    width: auto;
    min-width: 110px;
    padding: 0.2rem;
    font-size: 0.8rem;
}

.shift-chip.assigned {
    border-color: var(--success-color);
    background: rgba(39, 174, 96, 0.06);
}

.shift-chip.cancelled {
    border-color: var(--danger-color);
    background: rgba(231, 76, 60, 0.06);
    opacity: 0.6;
}

/* Assignment Card */
.assignment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.assignment-item:last-child {
    border-bottom: none;
}

/* Coordinator Grid — full width */
#view-coordinator .card {
    max-width: 100%;
    overflow-x: auto;
}

#view-coordinator {
    max-width: 100%;
    padding: 0 0.5rem;
}

.rota-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.rota-grid th,
.rota-grid td {
    padding: 0.35rem 0.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.rota-grid th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    font-size: 0.75rem;
    white-space: nowrap;
}

.rota-grid .vol-name {
    text-align: left;
    font-weight: 600;
    background-color: var(--surface-color);
    color: var(--text-main);
    white-space: nowrap;
    position: sticky;
    left: 0;
    z-index: 1;
}

/* Cell recency colouring (how many weekends since last assigned) */
.cell-recency-green {
    background-color: rgba(39, 174, 96, 0.12);
}

.cell-recency-amber {
    background-color: rgba(243, 156, 18, 0.15);
}

.cell-recency-red {
    background-color: rgba(231, 76, 60, 0.12);
}

.cell-allocated {
    border: 2px solid var(--primary-color) !important;
    font-weight: bold;
}

.cell-greyed {
    background-color: #f0f0f0 !important;
    opacity: 0.5;
}

/* Ask mailto link in grid */
.ask-link {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-color);
    text-decoration: none;
    border: 1px solid var(--accent-color);
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}

.ask-link:hover {
    background: var(--accent-color);
    color: white;
}

/* Report Table */
.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.report-table th,
.report-table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.report-table th {
    background: var(--bg-alt);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

.report-table tbody tr:hover {
    background: var(--bg-alt);
}

/* Coverage bar */
.coverage-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.coverage-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s;
}

/* Weekend management list */
.weekend-mgmt-item {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    background: var(--bg-alt);
}

.weekend-mgmt-item h4 {
    margin: 0 0 0.35rem 0;
    font-size: 0.9rem;
}

.weekend-mgmt-item .mgmt-row {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    margin-top: 0.35rem;
}

.weekend-mgmt-item textarea {
    flex: 1;
    font-size: 0.85rem;
    padding: 0.35rem 0.5rem;
    min-height: 40px;
}

.weekend-mgmt-item .mgmt-actions {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
    margin-top: 0.35rem;
}

/* Inline badge */
.badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    font-size: 0.7rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.badge-success {
    background: rgba(39, 174, 96, 0.15);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(243, 156, 18, 0.15);
    color: #c87f0a;
}

.badge-danger {
    background: rgba(231, 76, 60, 0.12);
    color: var(--danger-color);
}

/* Form row for side-by-side fields */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Template cards */
.template-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-alt);
}

.template-card h4 {
    margin-bottom: 0.5rem;
    text-transform: capitalize;
}

.template-card textarea {
    font-family: monospace;
    font-size: 0.85rem;
}

/* Weekend management items */
.weekend-mgmt-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-alt);
}

.mgmt-row {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.mgmt-row textarea {
    flex: 1;
    min-height: 50px;
    resize: vertical;
}

.mgmt-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.btn-success:hover {
    background-color: #219a52;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.btn-warning:hover {
    background-color: #d68910;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

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