:root {
    --brand: #bbcd02;
    --brand-dark: #a3b502;
    --dark: #282828;
    --dark-strong: #24262B;
    --grey: #6A707E;
    --grey-light: #949597;
    --muted: #7a7a7d;
    --border: #e1e1e1;
    --bg: #f8f9fa;
    --white: #ffffff;
    --danger: #dc3545;
    --success: #28a745;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Rubik', sans-serif;
    background: var(--bg);
    color: var(--dark-strong);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Rubik', sans-serif;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

a { color: var(--dark); }

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.container-wide {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.site-header .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    height: 48px;
    width: auto;
}

.header-meta {
    text-align: right;
    font-size: 0.85rem;
    color: var(--muted);
}

.header-meta strong {
    display: block;
    color: var(--dark);
    font-size: 0.95rem;
}

/* Hero */
.hero {
    background: var(--dark);
    color: var(--white);
    padding: 2.5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 1.75rem;
    color: var(--white);
}

.hero p {
    color: #ccc;
    margin: 0.5rem 0 0;
    max-width: 520px;
    margin-inline: auto;
}

.hero .accent {
    color: var(--brand);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--brand);
}

/* Steps */
.steps {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 70px;
    text-align: center;
    padding: 0.6rem 0.4rem;
    border-radius: 8px;
    background: var(--white);
    border: 2px solid var(--border);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--grey);
    transition: all 0.2s;
}

.step.active {
    border-color: var(--brand);
    background: var(--brand);
    color: var(--dark);
    font-weight: 600;
}

.step.done {
    border-color: var(--brand);
    color: var(--dark);
}

/* Type selector */
.type-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.mode-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.type-option {
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--white);
}

.type-option:hover {
    border-color: var(--brand);
}

.type-option.selected {
    border-color: var(--brand);
    background: rgba(187, 205, 2, 0.12);
}

.type-option .icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.type-option h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.type-option p {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0;
}

/* Date picker — calendario compatto */
.date-picker {
    max-width: 360px;
    margin: 0 auto 1rem;
}

.date-picker-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.date-picker-month {
    font-weight: 700;
    font-size: 1.05rem;
    text-align: center;
    flex: 1;
    text-transform: capitalize;
}

.date-picker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.35rem;
}

.date-picker-weekdays span {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.35rem;
}

.date-picker-day {
    aspect-ratio: 1;
    border: none;
    border-radius: 999px;
    background: transparent;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--dark-strong);
    cursor: default;
    padding: 0;
    transition: background 0.15s, color 0.15s;
}

.date-picker-day.is-empty {
    visibility: hidden;
}

.date-picker-day.is-unavailable {
    color: var(--border);
}

.date-picker-day.is-available {
    cursor: pointer;
    background: #f3f4f6;
}

.date-picker-day.is-available:hover {
    background: #e8eb9a;
}

.date-picker-day.is-selected {
    background: var(--brand);
    color: var(--dark);
    font-weight: 700;
}

.date-picker-selected {
    margin: 1rem 0 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
}

.date-picker-selected strong {
    color: var(--dark-strong);
}

/* legacy */
.date-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.75rem;
}

.date-btn {
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 0.5rem;
    text-align: center;
    cursor: pointer;
    background: var(--white);
    transition: all 0.2s;
    font-family: inherit;
}

.date-btn:hover:not(:disabled) {
    border-color: var(--brand);
}

.date-btn.selected {
    border-color: var(--brand);
    background: var(--brand);
    color: var(--dark);
    font-weight: 600;
}

.date-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.date-btn .day-name {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.date-btn.selected .day-name {
    color: var(--dark);
}

.date-btn .day-num {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.2;
}

.date-btn .month {
    font-size: 0.8rem;
}

.period-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 420px;
    margin: 0 auto 1rem;
}

.period-badge {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
}

.period-option.selected .period-badge {
    color: var(--dark);
}

.period-option.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}

/* Time slots */
.time-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.75rem;
}

.time-btn {
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
    cursor: pointer;
    background: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
}

.time-btn:hover:not(:disabled) {
    border-color: var(--brand);
}

.time-btn.selected {
    border-color: var(--brand);
    background: var(--brand);
    color: var(--dark);
    font-weight: 600;
}

.time-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    text-decoration: line-through;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-group label .req {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--brand);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-brand {
    background: var(--brand);
    color: var(--dark);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--dark);
}

.btn-outline:hover {
    border-color: var(--dark);
}

.btn-dark {
    background: var(--dark);
    color: var(--brand);
}

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

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

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-row {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* Summary */
.summary-box {
    background: rgba(187, 205, 2, 0.1);
    border: 2px solid var(--brand);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.summary-box dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.4rem 1rem;
    font-size: 0.95rem;
}

.summary-box dt {
    font-weight: 600;
    color: var(--grey);
}

.summary-box dd {
    margin: 0;
}

/* Success */
.success-page {
    text-align: center;
    padding: 3rem 1rem;
}

.success-icon {
    width: 72px;
    height: 72px;
    background: var(--brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

/* Alerts */
.alert {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-danger {
    background: #fde8ea;
    color: var(--danger);
    border: 1px solid #f5c6cb;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-info {
    background: rgba(187, 205, 2, 0.15);
    color: var(--dark);
    border: 1px solid var(--brand);
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--muted);
}

.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--muted);
}

.hidden { display: none !important; }

/* Footer */
.site-footer {
    background: var(--dark);
    color: #aaa;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.85rem;
    margin-top: 3rem;
}

.site-footer a {
    color: var(--brand);
    text-decoration: none;
}

/* Admin */
.admin-header {
    background: var(--dark);
    color: var(--white);
    padding: 1rem 0;
}

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

.admin-header .logo { height: 36px; filter: brightness(0) invert(1); }

.admin-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.admin-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    padding: 1.5rem 0 3rem;
}

@media (max-width: 768px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar .card {
        position: static;
    }

    .admin-header .inner {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .admin-nav {
        width: 100%;
        justify-content: flex-start;
    }

    .type-grid,
    .mode-grid,
    .period-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 1.75rem 0;
    }

    .hero h1 {
        font-size: 1.45rem;
    }

    .hero p {
        font-size: 0.92rem;
        padding: 0 0.25rem;
    }

    .card {
        padding: 1.25rem;
    }

    .card-title {
        font-size: 1rem;
    }

    .site-header .inner {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }

    .header-meta {
        text-align: center;
        width: 100%;
    }

    .logo {
        height: 40px;
    }

    .steps {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.4rem;
    }

    .step {
        min-width: 0;
        font-size: 0.68rem;
        padding: 0.5rem 0.25rem;
        line-height: 1.25;
    }

    .date-picker {
        max-width: 100%;
    }

    .date-picker-nav .btn-sm {
        min-width: 44px;
        min-height: 44px;
        padding: 0.5rem;
    }

    .date-picker-day.is-available {
        min-height: 44px;
    }

    .time-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
    }

    .time-btn {
        min-height: 48px;
        padding: 0.85rem 0.5rem;
        font-size: 0.9rem;
    }

    .type-option {
        padding: 1.15rem 0.85rem;
    }

    .type-option .icon {
        font-size: 1.75rem;
    }

    .btn-row {
        flex-direction: column;
    }

    .btn-row .btn {
        width: 100%;
        min-height: 48px;
    }

    .summary-box dl {
        grid-template-columns: 1fr;
        gap: 0.15rem 0;
    }

    .summary-box dt {
        margin-top: 0.5rem;
    }

    .summary-box dt:first-child {
        margin-top: 0;
    }

    .slot-grid-admin {
        grid-template-columns: repeat(2, 1fr);
    }

    .slot-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .slot-toolbar .appt-btn,
    .slot-toolbar .btn {
        width: 100%;
        justify-content: center;
    }

    .appt-actions {
        flex-direction: column;
    }

    .appt-actions .appt-btn {
        width: 100%;
    }

    .calendar-nav {
        flex-wrap: wrap;
        gap: 0.75rem;
        justify-content: center;
        text-align: center;
    }

    .calendar-nav h2 {
        width: 100%;
        order: -1;
        font-size: 1.05rem;
    }

    .form-control {
        font-size: 16px;
    }
}

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

    .container,
    .container-wide {
        padding: 0 1rem;
    }

    main.container {
        padding-top: 1.25rem !important;
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .step {
        font-size: 0.62rem;
    }

    .time-grid {
        grid-template-columns: 1fr;
    }

    .slot-grid-admin {
        grid-template-columns: 1fr;
    }

    .success-page {
        padding: 2rem 0.5rem;
    }

    .appt-btn-compact-toolbar {
        white-space: normal;
        text-align: center;
    }
}

.admin-sidebar .card {
    position: sticky;
    top: 1rem;
}

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.calendar-nav h2 {
    font-size: 1.2rem;
}

.slot-grid-admin {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.6rem;
}

.slot-chip {
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem;
    text-align: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.15s;
    user-select: none;
}

.slot-chip.available {
    border-color: var(--brand);
    background: rgba(187, 205, 2, 0.15);
}

.slot-chip.booked {
    border-color: var(--danger);
    background: rgba(220, 53, 69, 0.08);
    cursor: default;
}

.slot-chip.booked .chip-label {
    color: var(--danger);
    font-weight: 600;
}

.slot-chip.gcal-busy {
    border-color: #4285f4;
    background: rgba(66, 133, 244, 0.1);
    cursor: default;
}

.slot-chip.gcal-busy .chip-label {
    color: #1967d2;
    font-weight: 600;
}

.slot-chip:not(.booked):not(.gcal-busy):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.appointments-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.appointments-list li {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

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

.appt-meta {
    font-size: 0.85rem;
    color: var(--muted);
}

.appt-item {
    padding: 1.1rem 0;
}

.appt-head {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 0.35rem;
}

.appt-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.appt-reason {
    margin-top: 0.35rem;
}

.appt-actions {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.appt-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 42px;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: none;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    text-decoration: none !important;
    cursor: pointer;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.appt-btn-compact {
    min-height: 32px;
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    width: auto;
    display: inline-flex;
}

.appt-btn-confirm {
    background: var(--brand);
    color: var(--dark);
}

.appt-btn-confirm:hover {
    background: var(--dark);
    color: var(--brand);
}

.appt-btn-gcal {
    background: #4285f4;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.25);
}

.appt-btn-gcal:hover {
    background: #3367d6;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.35);
}

.appt-btn-cancel {
    background: #fff;
    color: var(--grey);
    border: 1px solid var(--border);
}

.appt-btn-cancel:hover {
    background: #fff5f5;
    border-color: var(--danger);
    color: var(--danger);
}

.slot-chip-actions {
    margin-top: 0.55rem;
    text-align: center;
}

.admin-nav .nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.admin-nav .nav-btn-light {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
}

.admin-nav .nav-btn-light:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.admin-nav .nav-btn-danger {
    background: var(--danger);
    border: none;
    color: #fff;
}

.admin-nav .nav-btn-danger:hover {
    background: #c82333;
    color: #fff;
}

.slot-toolbar {
    flex-wrap: wrap;
    gap: 0.5rem;
}

.appt-btn-compact-toolbar {
    width: auto;
    min-height: 38px;
    padding: 0.55rem 1rem;
    font-size: 0.82rem;
    white-space: nowrap;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pending { background: #fff3cd; color: #856404; }
.badge-confirmed { background: #d4edda; color: #155724; }
.badge-cancelled { background: #f8d7da; color: #721c24; }
.badge-call { background: #e3f2fd; color: #1565c0; }
.badge-chiamata { background: #fff3e0; color: #e65100; }
.badge-sede { background: rgba(187, 205, 2, 0.3); color: var(--dark); }
.badge-liberato { background: rgba(187, 205, 2, 0.25); color: var(--dark); }
.badge-digital { background: #e8eaf6; color: #3949ab; }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.login-box {
    max-width: 400px;
    width: 100%;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2.5rem 2rem;
}

.login-box .logo {
    display: block;
    margin: 0 auto 1.5rem;
    height: 56px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card .num {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--brand);
}

.stat-card .label {
    font-size: 0.8rem;
    color: var(--muted);
}

.type-option,
.time-btn,
.date-picker-day.is-available,
.btn,
.period-option {
    -webkit-tap-highlight-color: transparent;
}