@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-muted: #eef2ff;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --accent-soft: #dbeafe;
    --success: #16a34a;
    --success-soft: #dcfce7;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --warning: #f97316;
    --warning-soft: #ffedd5;
    --neutral-soft: #e2e8f0;
    --border-radius: 18px;
    --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f1f5f9 0%, #eef2ff 45%, #f8fafc 100%);
    -webkit-font-smoothing: antialiased;
}

body.is-clipped {
    overflow: hidden;
}

body.admin-dashboard {
    background: radial-gradient(circle at top, #dbeafe 0%, #eff6ff 42%, #f8fafc 100%);
    padding: clamp(1.5rem, 4vw, 4rem);
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.admin-frame {
    width: min(1120px, 100%);
    background: rgba(255, 255, 255, 0.94);
    border-radius: calc(var(--border-radius) + 8px);
    box-shadow: 0 32px 64px rgba(15, 23, 42, 0.18);
    border: 1px solid rgba(148, 163, 184, 0.18);
    backdrop-filter: blur(6px);
}

body.admin-dashboard .page-shell {
    margin: 0;
    padding: clamp(2rem, 4vw, 3rem);
    gap: clamp(1.75rem, 3vw, 3rem);
}

body.admin-bookings {
    background: radial-gradient(circle at top, #dbeafe 0%, #eef2ff 45%, #f8fafc 100%);
    padding: clamp(1.5rem, 4vw, 4rem);
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

body.admin-bookings .page-shell {
    margin: 0;
    padding: clamp(2rem, 4vw, 3rem);
    gap: clamp(1.75rem, 3vw, 3rem);
}

a {
    color: inherit;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(2rem, 6vw, 5rem);
}

.auth-card {
    width: min(440px, 100%);
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    padding: clamp(2rem, 4vw, 2.75rem);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.auth-card__header h1 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    margin: 0 0 0.75rem;
}

.auth-card__header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.page-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: clamp(1.5rem, 4vw, 3rem);
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 3vw, 2.75rem);
}

.top-bar {
    background: rgba(37, 99, 235, 0.12);
    border-radius: calc(var(--border-radius) - 6px);
    padding: clamp(1rem, 3vw, 1.5rem);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.top-bar__brand {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.top-bar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-end;
}

.top-bar__actions .btn {
    white-space: nowrap;
}

.top-bar__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-dark);
}

.top-bar__subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.top-bar__nav {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.7);
    padding: 0.35rem;
    border-radius: 999px;
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.16);
}

.top-bar__nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-dark);
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.top-bar__nav-link:hover,
.top-bar__nav-link:focus {
    background: rgba(37, 99, 235, 0.14);
    color: var(--accent);
    outline: none;
}

.top-bar__nav-link.is-active {
    background: #ffffff;
    color: var(--accent);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.15);
}

.page-heading h1 {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.page-heading p {
    margin: 0.35rem 0 0;
    color: var(--text-secondary);
    max-width: 52ch;
}

.card {
    background: linear-gradient(155deg, #ffffff 0%, #f8fbff 100%);
    border-radius: var(--border-radius);
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.12);
    border: 1px solid rgba(148, 163, 184, 0.16);
    padding: clamp(1.75rem, 3vw, 2.5rem);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card--accent {
    background: linear-gradient(145deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.02) 100%);
}

.card__header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card__header h2 {
    margin: 0;
    font-size: clamp(1.4rem, 3vw, 1.75rem);
}

.card__header p {
    margin: 0;
    color: var(--text-secondary);
}

.form-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-grid--stacked {
    grid-template-columns: 1fr;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-weight: 500;
    font-size: 0.95rem;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
input[type="tel"],
select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 12px;
    border: 1px solid var(--surface-strong);
    background: var(--surface);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--surface-strong);
    resize: vertical;
    font-family: inherit;
}

.btn,
button {
    font-family: inherit;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.65rem 1.5rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn-primary,
button {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover,
button:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 16px 24px rgba(37, 99, 235, 0.22);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-dark);
    border: 1px solid rgba(37, 99, 235, 0.35);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: none;
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(220, 38, 38, 0.2);
    border: 1px solid rgba(220, 38, 38, 0.4);
}

.btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: 0 16px 24px rgba(220, 38, 38, 0.22);
}

.alert {
    border-radius: 14px;
    padding: 0.95rem 1.25rem;
    font-weight: 500;
}

.alert-list {
    margin: 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 0.35rem;
    font-size: 0.9rem;
}

.alert-success {
    background: var(--success-soft);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.alert-error {
    background: var(--danger-soft);
    color: var(--danger);
}

.card__toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.card__toolbar-message {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    max-width: 32rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    align-items: flex-start;
}

.card__toolbar-note {
    display: block;
}

.link-inline {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.link-inline::after {
    content: '→';
    font-size: 0.85em;
    transition: transform 0.2s ease;
}

.link-inline:hover::after,
.link-inline:focus::after {
    transform: translateX(4px);
}

.filter-group {
    display: inline-flex;
    background: #eef2ff;
    border-radius: 999px;
    padding: 0.25rem;
    gap: 0.25rem;
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.btn-filter {
    border: none;
    background: transparent;
    color: var(--accent-dark);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.btn-filter:hover,
.btn-filter:focus {
    background: rgba(37, 99, 235, 0.14);
    color: var(--accent);
    outline: none;
}

.btn-filter.is-active {
    background: #ffffff;
    color: var(--accent);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.15);
}

.btn-filter:focus-visible {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

@media (max-width: 900px) {
    .top-bar__nav {
        width: 100%;
        justify-content: center;
    }

    .card__toolbar {
        justify-content: center;
        padding: 0 1rem 1.25rem;
        flex-direction: column;
        align-items: stretch;
    }

    .card__toolbar-message {
        width: 100%;
        align-items: center;
        text-align: center;
    }

    .card__toolbar-message .link-inline {
        justify-content: center;
    }

    .filter-group {
        flex-wrap: wrap;
        justify-content: center;
    }

    .btn-filter {
        flex: 1 1 140px;
        text-align: center;
    }
}

.user-table-wrapper {
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: calc(var(--border-radius) - 4px);
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.table-scroll {
    width: 100%;
    overflow-x: auto;
}

.user-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.user-table thead {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.02) 100%);
}

.user-table th,
.user-table td {
    padding: 0.95rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.user-table th {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    font-weight: 700;
}

.user-row {
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.user-row:hover {
    background: rgba(37, 99, 235, 0.04);
}

.user-row.is-hidden {
    display: none !important;
}

.user-row.is-expanded {
    background: rgba(37, 99, 235, 0.08);
}

.user-row--admin {
    cursor: default;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.02) 0%, rgba(15, 23, 42, 0.01) 100%);
}

.user-row--pending {
    background: linear-gradient(90deg, rgba(249, 115, 22, 0.08) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.user-row__primary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
}

.user-row__name {
    font-size: 1.05rem;
    font-weight: 700;
}

.user-row__hint {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.user-detail-row {
    background: rgba(248, 250, 252, 0.65);
    display: none;
}

.user-detail-row.is-visible {
    display: table-row;
}

.user-detail-card {
    margin: 0.5rem 0;
    padding: 1rem 1rem 0.5rem;
    background: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: calc(var(--border-radius) - 6px);
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.user-detail-card__title {
    margin: 0 0 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.user-detail-card .form-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.user-detail-card--muted {
    background: rgba(15, 23, 42, 0.02);
    border-style: dashed;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.7rem;
    background: var(--neutral-soft);
    color: var(--text-secondary);
}

.badge--positive {
    background: var(--success-soft);
    color: var(--success);
}

.badge--danger {
    background: var(--danger-soft);
    color: var(--danger);
}

.badge--warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.badge--neutral {
    background: rgba(15, 23, 42, 0.08);
    color: var(--text-secondary);
}

@media (max-width: 720px) {
    .user-table {
        min-width: 0;
    }

    .user-table th,
    .user-table td {
        padding: 0.85rem 0.8rem;
    }

    .user-row__name {
        width: 100%;
    }
}

.dashboard-metrics {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.metric-card {
    background: linear-gradient(140deg, rgba(37, 99, 235, 0.12) 0%, rgba(37, 99, 235, 0.02) 100%);
    border-radius: calc(var(--border-radius) - 6px);
    border: 1px solid rgba(37, 99, 235, 0.18);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    box-shadow: 0 18px 36px rgba(37, 99, 235, 0.12);
    position: relative;
    overflow: hidden;
}

.metric-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.15), transparent 55%);
    pointer-events: none;
    z-index: 0;
}

.metric-card > * {
    position: relative;
    z-index: 1;
}

.metric-card__label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.metric-card__value {
    font-size: clamp(1.9rem, 5vw, 2.6rem);
    font-weight: 700;
    color: var(--accent-dark);
}

.metric-card__hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.metric-card__hint--success {
    color: var(--success);
}

.metric-card__hint--warning {
    color: var(--warning);
}

.metric-card__hint--neutral {
    color: var(--text-secondary);
}

.form-actions {
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.form-actions .btn {
    width: auto;
}

@media (max-width: 768px) {
    .top-bar {
        align-items: flex-start;
    }

    .page-heading p {
        font-size: 0.95rem;
    }

    .card {
        padding: 1.5rem;
    }
}

@media (max-width: 640px) {
    .auth-card {
        padding: 1.75rem;
    }

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

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

    .form-actions .btn,
    .form-actions button,
    button,
    .btn {
        width: 100%;
    }
}

.small-print {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    text-align: center;
}

.small-print--link a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}

.small-print--link a:hover,
.small-print--link a:focus {
    text-decoration: underline;
}

.table-container {
    overflow-x: auto;
    border-radius: calc(var(--border-radius) - 10px);
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
    min-width: 540px;
}

.table-container th,
.table-container td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.table-container th {
    background: var(--surface-soft);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.table-container tr:last-child td {
    border-bottom: none;
}

.table-container td strong {
    font-weight: 600;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

.calendar-board {
    display: grid;
    gap: 1.5rem;
}

.calendar-board .calendar-day {
    height: 100%;
}

.calendar-day {
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: calc(var(--border-radius) - 6px);
    background: linear-gradient(145deg, #ffffff 0%, rgba(248, 250, 252, 0.95) 100%);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.calendar-day__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.calendar-day__header h3 {
    margin: 0;
}

.calendar-day__header span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-dark);
    background: rgba(37, 99, 235, 0.12);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

.calendar-day__slots {
    display: grid;
    gap: 1rem;
    padding: 1.2rem 1.4rem 1.4rem;
}

.calendar-slot {
    display: grid;
    gap: 0.5rem;
    padding: 1rem 1.2rem;
    border-radius: calc(var(--border-radius) - 10px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(248, 250, 252, 0.9);
}

.calendar-slot__time {
    font-weight: 600;
    color: var(--text-primary);
}

.calendar-slot__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.calendar-slot__list li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #ffffff;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.12);
    font-size: 0.85rem;
    color: var(--text-primary);
}

.calendar-slot__form {
    display: flex;
    margin: 0;
}

.calendar-slot__action {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(220, 38, 38, 0.12);
    color: var(--danger);
    border-radius: 999px;
    border: 1px solid rgba(220, 38, 38, 0.2);
    box-shadow: none;
    transform: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.calendar-slot__action:hover,
.calendar-slot__action:focus {
    background: rgba(220, 38, 38, 0.2);
    color: var(--danger);
    box-shadow: 0 6px 14px rgba(220, 38, 38, 0.18);
    transform: none;
}

.calendar-slot__action:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.25);
}

.calendar-slot__name {
    font-weight: 600;
}

.calendar-slot__phone {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .calendar-day__slots {
        padding: 1rem 1.25rem 1.25rem;
    }
}

@media (min-width: 900px) {
    .calendar-board {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}