html {
    font-size: 16px;
}

:root {
    --fjord: #176b87;
    --fjord-dark: #10556b;
    --fjord-light: #e8f5f8;
    --green: #3f7d4a;
    --green-dark: #32643b;
    --green-light: #edf6ee;
    --apple: #d94b45;
    --apple-dark: #b83b36;
    --yellow: #f4c95d;
    --yellow-light: #fff7dc;
    --ink: #18323b;
    --muted: #6b7c82;
    --surface: #ffffff;
    --background: #f4f7f6;
    --border: #dce5e3;
    --radius: 14px;
    --radius-small: 9px;
    --shadow: 0 4px 18px rgba(24, 50, 59, .08);
    --shadow-hover: 0 8px 24px rgba(24, 50, 59, .13);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--background);
    line-height: 1.5;
}

/* -------------------------------------------------
   Layout
------------------------------------------------- */

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem;
}

.page-content {
    padding-top: 2rem;
    padding-bottom: 3rem;
}

/* -------------------------------------------------
   Header
------------------------------------------------- */

.site-header {
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: .7rem;
    padding-bottom: .7rem;
}

/* Logo */

.brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    color: var(--ink);
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo {
    display: block;
    width: 210px;
    height: auto;
    max-width: 100%;
}

.brand-mark {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

    .brand-copy strong {
        font-size: 1.35rem;
        font-weight: 800;
        letter-spacing: -.04em;
    }

        .brand-copy strong span {
            color: var(--fjord);
        }

    .brand-copy small {
        margin-top: .3rem;
        color: var(--green);
        font-size: .62rem;
        font-weight: 800;
        letter-spacing: .18em;
    }

/* Hytte */

.cabin-name {
    color: var(--fjord-dark);
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
    padding: .45rem .75rem;
    background: var(--fjord-light);
    border-radius: 10px;
}

/* Navigation */

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .35rem;
    margin-left: auto;
    flex-wrap: wrap;
}

    .main-nav a,
    .main-nav .link-button {
        display: inline-flex;
        align-items: center;
        gap: .35rem;
        min-height: 42px;
        padding: .55rem .75rem;
        border: 0;
        border-radius: 10px;
        background: transparent;
        color: var(--ink);
        text-decoration: none;
        font-size: .92rem;
        font-weight: 650;
        cursor: pointer;
        transition: background .15s ease, color .15s ease;
    }

        .main-nav a:hover {
            background: var(--fjord-light);
            color: var(--fjord-dark);
            text-decoration: none;
        }

    .main-nav form {
        margin: 0;
    }

.logout-button {
    color: var(--apple) !important;
}

    .logout-button:hover {
        background: #fff0ef !important;
        color: var(--apple-dark) !important;
    }

/* -------------------------------------------------
   Typography
------------------------------------------------- */

h1,
h2,
h3 {
    color: var(--ink);
    letter-spacing: -.025em;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.35rem);
    line-height: 1.15;
    margin-top: 0;
}

h2 {
    font-size: 1.45rem;
}

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

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

.text-center {
    text-align: center;
    margin-top: 4rem;
}

/* -------------------------------------------------
   Forms
------------------------------------------------- */

.form-group {
    margin-bottom: 1.15rem;
}

    .form-group label {
        display: block;
        margin-bottom: .4rem;
        color: var(--ink);
        font-weight: 650;
    }

.form-control {
    width: 100%;
    padding: .78rem .9rem;
    border: 1px solid #cbd8d6;
    border-radius: var(--radius-small);
    background: #fff;
    color: var(--ink);
    font: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}

    .form-control:focus {
        border-color: var(--fjord);
        box-shadow: 0 0 0 3px rgba(23, 107, 135, .12);
    }

.checkbox-row {
    display: flex;
    align-items: center;
    gap: .55rem;
    margin: 1rem 0;
}

/* -------------------------------------------------
   Auth
------------------------------------------------- */

.auth-card {
    width: 100%;
    max-width: 430px;
    margin: 3rem auto;
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* -------------------------------------------------
   Buttons
------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 0;
    border-radius: 10px;
    padding: .7rem 1rem;
    cursor: pointer;
    text-decoration: none;
    font: inherit;
    font-size: .95rem;
    font-weight: 700;
    transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}

    .btn:hover {
        transform: translateY(-1px);
        text-decoration: none;
        box-shadow: 0 4px 10px rgba(24, 50, 59, .12);
    }

.btn-primary {
    background: var(--fjord);
    color: #fff;
}

    .btn-primary:hover {
        background: var(--fjord-dark);
        color: #fff;
    }

.btn-secondary {
    background: #e7edeb;
    color: var(--ink);
}

    .btn-secondary:hover {
        background: #d9e3e0;
        color: var(--ink);
    }

.btn-danger {
    background: var(--apple);
    color: #fff;
}

    .btn-danger:hover {
        background: var(--apple-dark);
        color: #fff;
    }

.btn-small {
    min-height: 36px;
    padding: .45rem .7rem;
    font-size: .85rem;
}

/* -------------------------------------------------
   Validation
------------------------------------------------- */

.validation-summary,
.validation-message {
    color: var(--apple-dark);
}

.validation-summary {
    margin-bottom: 1rem;
}

.back-link {
    margin-top: 1.25rem;
}

/* -------------------------------------------------
   Booking header
------------------------------------------------- */

.booking-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

    .booking-header h1 {
        margin: 0;
    }

.booking-subtitle {
    margin: .4rem 0 0;
    color: var(--muted);
}

/* -------------------------------------------------
   Booking table
------------------------------------------------- */

.booking-table-wrapper {
    width: 100%;
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.booking-table {
    width: 100%;
    border-collapse: collapse;
}

    .booking-table th,
    .booking-table td {
        padding: .9rem 1rem;
        border-bottom: 1px solid var(--border);
        text-align: left;
        vertical-align: middle;
    }

    .booking-table th {
        background: #f0f5f3;
        color: var(--ink);
        font-size: .88rem;
        font-weight: 750;
    }

    .booking-table tbody tr:last-child td {
        border-bottom: 0;
    }

    .booking-table tbody tr:hover {
        background: #f8fbfa;
    }

.booking-status {
    display: inline-flex;
    align-items: center;
    padding: .3rem .65rem;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 700;
}

.booking-status-tidligere {
    background: #edf0ef;
    color: #6b7471;
}

.booking-status-kommende {
    background: var(--green-light);
    color: var(--green-dark);
}

.booking-status-pågår {
    background: var(--yellow-light);
    color: #806719;
}

.booking-actions,
.booking-actions-header {
    white-space: nowrap;
}

/* -------------------------------------------------
   Empty / cards
------------------------------------------------- */

.booking-empty {
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

/* -------------------------------------------------
   Booking errors
------------------------------------------------- */

.booking-error {
    display: flex;
    align-items: center;
    gap: .6rem;
    max-width: 500px;
    margin: 1rem 0;
    padding: .8rem 1rem;
    background: #fff4df;
    border: 1px solid #f0d18a;
    border-left: 4px solid var(--apple);
    border-radius: var(--radius-small);
    color: #7b3e39;
    font-weight: 650;
}

    .booking-error:empty {
        display: none;
    }

.booking-error-icon {
    color: var(--apple);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* -------------------------------------------------
   Delete booking
------------------------------------------------- */

.booking-delete-warning {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin: 1rem 0 1.5rem;
    padding: .8rem 1rem;
    background: #fff4df;
    border: 1px solid #f0d18a;
    border-left: 4px solid var(--apple);
    border-radius: var(--radius-small);
    color: #7b3e39;
}

.booking-delete-table {
    margin-bottom: 1.5rem;
}

.booking-delete-form {
    display: flex;
    gap: .75rem;
}

/* -------------------------------------------------
   Booking calendar
------------------------------------------------- */

#BookingCalendar {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

#selectedPeriod {
    max-width: 307px;
    padding: .8rem 1rem;
    background: var(--fjord-light);
    border-left: 4px solid var(--fjord);
    border-radius: var(--radius-small);
}

#bookingForm {
    margin-top: 1.5rem;
}

    #bookingForm .btn-primary {
        background: var(--fjord);
        color: #fff;
    }

        #bookingForm .btn-primary:hover {
            background: var(--fjord-dark);
        }

    #bookingForm .btn-secondary {
        background: #e7edeb;
        color: var(--ink);
    }

        #bookingForm .btn-secondary:hover {
            background: #d9e3e0;
        }

.guest-label {
    font-weight: 700;
}

.form-check {
    margin-bottom: .45rem;
}

#selectedPeriod {
    margin-top: 1.25rem;
    margin-bottom: 1.5rem;
}

/* Booking – bedre luft */

.booking-section {
    margin-bottom: 2rem;
}

    .booking-section > .form-label {
        display: block;
        margin-bottom: .75rem;
        font-weight: 700;
    }

.family-booking-group {
    margin-bottom: 1.25rem;
}

    .family-booking-group > strong {
        display: block;
        margin-bottom: .5rem;
    }

#existingBookings {
    margin-top: 1.5rem !important;
    margin-bottom: 2rem;
}

#bookingForm > .btn {
    margin-top: .5rem;
}

.booking-family-group {
    margin-bottom: 1.5rem;
}

.booking-family-name {
    display: block;
    margin-bottom: .65rem;
    font-size: 1rem;
}

.booking-family-group .form-check {
    margin-bottom: .5rem;
} 

/* Bookede datoer i Flatpickr */

.flatpickr-calendar .flatpickr-day.booked-date {
    color: #555 !important;
    background-color: #eeeeee !important;
    background-image: linear-gradient( 45deg, transparent 47%, #999 48%, #999 52%, transparent 53% ) !important;
    border: 1px solid #999 !important;
    border-radius: 0 !important;
    opacity: 1 !important;
    position: relative;
}

/* -------------------------------------------------
   Responsive
------------------------------------------------- */

@media (max-width: 900px) {

    .header-inner {
        flex-wrap: wrap;
    }

    .cabin-name {
        order: 3;
        width: 100%;
        padding-left: 3.1rem;
        margin-top: -.5rem;
    }

    .main-nav {
        width: 100%;
        justify-content: flex-start;
        margin-left: 0;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: .15rem;
    }
}

@media (max-width: 768px) {

    .container {
        padding: 1rem;
    }

    .page-content {
        padding-top: 1.5rem;
    }

    .booking-header {
        align-items: flex-start;
        flex-direction: column;
    }

        .booking-header .btn {
            width: 100%;
        }

    .booking-table th,
    .booking-table td {
        padding: .75rem;
    }
}

@media (max-width: 600px) {

    .header-inner {
        align-items: center;
    }

    .brand-mark {
        width: 44px;
        height: 44px;
    }

    .brand-copy strong {
        font-size: 1.2rem;
    }

    .main-nav {
        gap: .25rem;
        scrollbar-width: none;
    }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a,
        .main-nav .link-button {
            min-height: 44px;
            padding: .55rem .7rem;
            white-space: nowrap;
        }

    .auth-card {
        margin: 2rem auto;
        padding: 1.25rem;
    }

    .btn {
        width: 100%;
    }

    .booking-delete-form {
        flex-direction: column;
    }
   
    .hero-overlay {
        padding: 1.25rem;
    }

    .brand-logo {
        display: block;
        width: 210px;
        height: auto;
    }
}