:root {
    --navalha-ink: #151719;
    --navalha-sidebar: #101214;
    --navalha-copper: #b77a48;
    --navalha-copper-dark: #986038;
    --navalha-paper: #f5f3ef;
    --navalha-white: #ffffff;
    --navalha-muted: #757b82;
    --navalha-border: #e7e2db;
    --navalha-radius: 16px;
}

body,
.content-wrapper {
    background: var(--navalha-paper);
    color: var(--navalha-ink);
}

.main-sidebar {
    background: var(--navalha-sidebar) !important;
}

.brand-link {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.nav-sidebar .nav-link {
    border-radius: 10px;
    margin: 3px 8px;
}

.nav-sidebar .nav-link.active {
    background: rgba(183, 122, 72, 0.18) !important;
    color: #f3c49c !important;
    box-shadow: none !important;
}

.btn-primary {
    background: var(--navalha-copper);
    border-color: var(--navalha-copper);
    color: #fff;
    border-radius: 10px;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--navalha-copper-dark);
    border-color: var(--navalha-copper-dark);
}

.text-copper {
    color: var(--navalha-copper);
}

.navalha-panel,
.metric-card,
.booking-card {
    border: 0;
    border-radius: var(--navalha-radius);
    box-shadow: 0 12px 35px rgba(24, 25, 27, 0.06);
}

.metric-card {
    background: #fff;
    padding: 22px;
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 112px;
}

.metric-card span,
.side-stat span {
    display: block;
    color: var(--navalha-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-card strong {
    display: block;
    font-size: 1.65rem;
    margin-top: 4px;
}

.metric-card > i {
    font-size: 1.8rem;
    color: var(--navalha-copper);
    opacity: 0.85;
}

.side-stat strong {
    font-size: 1.5rem;
}

.eyebrow {
    color: var(--navalha-copper);
    font-size: 0.72rem;
    letter-spacing: 0.13em;
    font-weight: 700;
}

.form-control {
    border-radius: 10px;
    border-color: var(--navalha-border);
}

.card-footer {
    border-top-color: var(--navalha-border);
}

.table thead th {
    border-top: 0;
    border-bottom: 1px solid var(--navalha-border);
    color: var(--navalha-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.75rem;
}

.navalha-mark {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--navalha-ink);
    color: #fff;
    border: 2px solid var(--navalha-copper);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
}

.summary-line.total {
    border-top: 1px solid var(--navalha-border);
    border-bottom: 1px solid var(--navalha-border);
    font-size: 1.15rem;
    margin: 8px 0;
    padding: 12px 0;
}

.booking-page {
    min-height: 100vh;
    background:
        radial-gradient(
            circle at top right,
            rgba(183, 122, 72, 0.12),
            transparent 35%
        ),
        var(--navalha-paper);
}

.booking-shell {
    max-width: 930px;
    margin: 0 auto;
    padding: 36px 16px 60px;
}

.booking-header {
    display: flex;
    gap: 18px;
    align-items: center;
    margin-bottom: 28px;
}

.booking-header h1 {
    margin: 0;
    font-weight: 700;
}

.booking-header p {
    color: var(--navalha-muted);
    margin: 4px 0 0;
}

.booking-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.booking-card {
    background: #fff;
    padding: 28px;
}

.slot-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.slot input {
    display: none;
}

.slot span {
    display: block;
    border: 1px solid var(--navalha-border);
    border-radius: 10px;
    padding: 9px 14px;
    cursor: pointer;
}

.slot input:checked + span {
    background: var(--navalha-ink);
    color: #fff;
    border-color: var(--navalha-ink);
}

.success-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 18px;
    background: #eef8f1;
    color: #2d7d46;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

@media (max-width: 767px) {
    .content-header h1 {
        font-size: 1.6rem;
    }
    .booking-card {
        padding: 20px;
    }
    .booking-header {
        align-items: flex-start;
    }
}