:root {
    --bg: #f7f7f4;
    --surface: #ffffff;
    --ink: #202124;
    --muted: #646a73;
    --line: #d9ded8;
    --primary: #176b87;
    --primary-dark: #0f5065;
    --accent: #d46f4d;
    --danger: #b42318;
    --success: #176b45;
    --shadow: 0 18px 45px rgba(32, 33, 36, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-panel {
    width: min(420px, 100%);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 28px;
}

.login-panel h1 {
    margin-bottom: 22px;
}

.login-form {
    display: grid;
    gap: 16px;
}

.shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 20px 0 56px;
}

.app-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;
    min-height: 68px;
    margin-bottom: 34px;
    border-bottom: 1px solid var(--line);
}

.app-brand {
    display: flex;
    flex-direction: column;
    color: var(--ink);
    line-height: 1.05;
    text-decoration: none;
}

.app-brand span {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.app-brand strong {
    color: var(--primary-dark);
    font-size: 1.12rem;
}

.main-navigation,
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-navigation a {
    border-bottom: 2px solid transparent;
    color: var(--muted);
    padding: 22px 10px 20px;
    font-weight: 700;
    text-decoration: none;
}

.main-navigation a:hover,
.main-navigation a.active {
    border-bottom-color: var(--primary);
    color: var(--primary-dark);
}

.header-actions {
    justify-content: flex-end;
}

.page-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 2.35rem;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1;
}

h2 {
    margin-bottom: 4px;
    font-size: 1.18rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.button.primary {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}

.button.primary:hover {
    background: var(--primary-dark);
}

.button.subtle {
    color: var(--primary);
}

.button.danger {
    color: var(--danger);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat,
.rent-card,
.form-panel,
.empty {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.stat {
    padding: 18px;
}

.stat span {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
}

.stat strong {
    display: block;
    margin-top: 6px;
    font-size: 1.55rem;
}

.notice {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 8px;
    font-weight: 700;
}

.notice.success {
    background: #e8f4ec;
    color: var(--success);
}

.notice.error {
    background: #fff1f0;
    color: var(--danger);
}

.toolbar {
    margin-bottom: 16px;
}

.calendar-toolbar {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.month-picker {
    display: flex;
    align-items: end;
    gap: 10px;
}

.calendar-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search {
    display: flex;
    gap: 10px;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

input,
select {
    height: 44px;
    padding: 0 12px;
}

textarea {
    resize: vertical;
    padding: 10px 12px;
}

.search input {
    flex: 1;
}

.rent-list {
    display: grid;
    gap: 14px;
}

.rent-card {
    padding: 18px;
}

.rent-main,
.actions,
.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.rent-main p,
.notes {
    color: var(--muted);
}

.pill {
    flex: 0 0 auto;
    border-radius: 999px;
    background: #e8f1f4;
    color: var(--primary-dark);
    padding: 6px 10px;
    font-size: 0.82rem;
    font-weight: 800;
}

.rent-details {
    display: grid;
    grid-template-columns: 2fr repeat(5, 1fr);
    gap: 12px;
    margin: 18px 0;
}

.rent-details div {
    border-top: 1px solid var(--line);
    padding-top: 12px;
}

dt {
    color: var(--muted);
    font-size: 0.82rem;
}

dd {
    margin: 0;
    font-weight: 800;
}

.actions {
    justify-content: flex-end;
}

.empty {
    padding: 28px;
    text-align: center;
}

.empty p {
    margin-bottom: 0;
    color: var(--muted);
}

.form-panel {
    padding: 24px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

label span {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.full-width {
    display: block;
    margin-top: 18px;
}

.error-text {
    display: block;
    margin-top: 6px;
    color: var(--danger);
    font-weight: 700;
}

.form-actions {
    justify-content: flex-start;
    margin-top: 22px;
}

.calendar-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 18px;
}

.calendar-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.calendar-heading h2 {
    margin-bottom: 0;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-box {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid var(--line);
    border-radius: 4px;
}

.legend-box.occupied {
    background: #e8f4ec;
}

.legend-box.check-in {
    background: #e8f1f4;
}

.legend-box.check-out {
    background: #fff4e8;
}

.calendar-scroll {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.occupancy-table {
    width: 100%;
    min-width: 1040px;
    border-collapse: separate;
    border-spacing: 0;
}

.occupancy-table th,
.occupancy-table td {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    height: 50px;
    min-width: 42px;
    padding: 3px;
    text-align: center;
    vertical-align: middle;
}

.occupancy-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: #eef5f6;
    color: var(--primary-dark);
    font-size: 0.85rem;
}

.occupancy-table thead .day-number-row th {
    height: 28px;
    padding-bottom: 0;
    border-bottom: 0;
}

.occupancy-table thead .weekday-row th {
    top: 28px;
    height: 24px;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.occupancy-table thead th.event-day,
.occupancy-table thead .weekday-row th.event-day {
    color: var(--danger);
    font-weight: 900;
}

.occupancy-table thead .property-heading {
    height: 52px;
    border-bottom: 1px solid var(--line);
}

.occupancy-table .property-heading,
.occupancy-table .property-name {
    position: sticky;
    left: 0;
    z-index: 3;
    min-width: 190px;
    max-width: 190px;
    background: var(--surface);
    text-align: left;
}

.occupancy-table .property-heading {
    background: #eef5f6;
}

.occupancy-table .property-name {
    font-size: 0.9rem;
}

.occupancy-table td.occupied {
    background: #e8f4ec;
    color: var(--success);
    font-weight: 800;
}

.occupancy-table td.check-in {
    background: #e8f1f4;
    color: var(--primary-dark);
}

.occupancy-table td.check-out {
    background: #fff4e8;
    color: #8f4d18;
}

.occupancy-table td.check-in.check-out {
    background: linear-gradient(135deg, #e8f1f4 0 50%, #fff4e8 50% 100%);
}

.occupancy-table td.available {
    background: #fbfbf8;
}

.occupancy-table td span,
.calendar-rent-button {
    display: block;
    max-width: 92px;
    margin: 0 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-rent-button {
    width: 100%;
    min-height: 44px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1.1;
    cursor: pointer;
}

.calendar-rent-button:hover {
    text-decoration: underline;
}

.cell-event {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    max-width: 100%;
    min-height: 18px;
    border-radius: 5px;
    padding: 2px 3px;
}

.cell-event + .cell-event {
    margin-top: 2px;
}

.cell-event b {
    flex: 0 0 auto;
    font-size: 0.62rem;
    text-transform: uppercase;
}

.cell-event em {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-style: normal;
}

.cell-event.in {
    background: rgba(23, 107, 135, 0.13);
}

.cell-event.out {
    background: rgba(212, 111, 77, 0.16);
}

.available-mark {
    color: transparent;
    user-select: none;
}

.rent-dialog {
    width: min(560px, calc(100% - 32px));
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.rent-dialog::backdrop {
    background: rgba(32, 33, 36, 0.32);
}

.dialog-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.icon-button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.dialog-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 0 0 16px;
}

.dialog-event {
    border-top: 1px solid var(--line);
    padding-top: 14px;
}

.dialog-event + .dialog-event {
    margin-top: 14px;
}

.dialog-event h3 {
    margin: 0 0 12px;
    font-size: 1rem;
}

@media (max-width: 760px) {
    .app-header {
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding-bottom: 14px;
    }

    .main-navigation {
        grid-column: 1 / -1;
        grid-row: 2;
        overflow-x: auto;
        order: 3;
    }

    .main-navigation a {
        padding: 10px 8px 8px;
        white-space: nowrap;
    }

    .header-actions .button.primary {
        display: none;
    }

    .page-header,
    .search,
    .calendar-toolbar,
    .calendar-toolbar-actions,
    .month-picker,
    .rent-main,
    .actions,
    .form-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .page-header {
        align-items: flex-start;
    }

    .stats,
    .rent-details,
    .field-grid {
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
    }
}