:root {
    --bg: #f4f1ea;
    --panel: #fffdfa;
    --panel-strong: #f2eadb;
    --ink: #172121;
    --muted: #5d6b6b;
    --line: #d6d1c4;
    --brand: #19647e;
    --brand-dark: #0f3e4d;
    --accent: #f4b942;
    --danger: #b8403b;
    --success: #2f7d4b;
    --shadow: 0 18px 40px rgba(23, 33, 33, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    background:
        radial-gradient(circle at top left, rgba(244, 185, 66, 0.15), transparent 28%),
        linear-gradient(135deg, #f7f3eb 0%, #eef4f1 100%);
    color: var(--ink);
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    padding: 32px 24px;
    background: linear-gradient(180deg, var(--brand-dark) 0%, #14303a 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar h1 {
    margin: 0 0 8px;
    font-size: 1.8rem;
    line-height: 1.1;
}

.sidebar-subtitle {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
}

.nav {
    display: grid;
    gap: 10px;
}

.nav a {
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.12);
}

.main-content {
    padding: 28px;
}

.topbar {
    margin-bottom: 24px;
}

.topbar h2 {
    margin: 0;
    font-size: 2rem;
}

.topbar p {
    margin: 8px 0 0;
    color: var(--muted);
}

.panel {
    background: var(--panel);
    border: 1px solid rgba(25, 100, 126, 0.08);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.panel-heading h3 {
    margin: 0;
}

.panel-note {
    padding: 16px;
    background: var(--panel-strong);
    border-radius: 16px;
}

.panel-inline-hint {
    margin: 0 0 18px;
    color: var(--muted);
}

.crud-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 18px;
}

.crud-pill {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
}

.crud-on {
    background: rgba(47, 125, 75, 0.12);
    color: var(--success);
}

.crud-off {
    background: rgba(184, 64, 59, 0.12);
    color: var(--danger);
}

.stats-grid,
.dashboard-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 24px;
}

.stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.stat-card p {
    margin: 0;
    color: var(--muted);
}

.stat-card strong {
    display: block;
    margin-top: 12px;
    font-size: 2.2rem;
    color: var(--brand-dark);
}

.form-grid {
    display: grid;
    gap: 18px;
}

.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.full-width {
    grid-column: 1 / -1;
}

label span {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    font: inherit;
    color: var(--ink);
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(25, 100, 126, 0.2);
    border-color: var(--brand);
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    border-radius: 14px;
    border: 0;
    cursor: pointer;
    font: inherit;
}

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

.button.subtle {
    background: var(--panel-strong);
    color: var(--ink);
}

.button.danger {
    background: rgba(184, 64, 59, 0.12);
    color: var(--danger);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.filters label {
    min-width: 220px;
}

.form-actions,
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    text-align: left;
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.94rem;
}

.inventory-row .inline-input,
.inventory-row .inline-save,
.inventory-row .inline-cancel {
    display: none;
}

.inventory-row.is-editing .inline-view {
    display: none;
}

.inventory-row.is-editing .inline-input {
    display: block;
    min-width: 120px;
}

.inventory-row.is-editing .inline-save,
.inventory-row.is-editing .inline-cancel {
    display: inline-flex;
}

.inventory-row td {
    min-width: 130px;
}

.muted-inline {
    color: var(--muted);
    font-size: 0.92rem;
}

.status-pill {
    display: inline-block;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
}

.status-available {
    background: rgba(47, 125, 75, 0.12);
    color: var(--success);
}

.status-in_use {
    background: rgba(25, 100, 126, 0.12);
    color: var(--brand);
}

.status-maintenance {
    background: rgba(244, 185, 66, 0.18);
    color: #996d0f;
}

.status-damaged,
.status-retired {
    background: rgba(184, 64, 59, 0.12);
    color: var(--danger);
}

.flash {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 16px;
}

.flash-success {
    background: rgba(47, 125, 75, 0.12);
    color: var(--success);
}

.flash-error {
    background: rgba(184, 64, 59, 0.12);
    color: var(--danger);
}

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

.permission-grid div {
    padding: 16px;
    border-radius: 18px;
    background: var(--panel-strong);
}

.permission-grid span {
    display: block;
    color: var(--muted);
}

.permission-grid strong {
    display: block;
    margin-top: 6px;
}

.auth-panel {
    max-width: 480px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkbox-row input {
    width: auto;
}

@media (max-width: 960px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding-bottom: 20px;
    }

    .stats-grid,
    .dashboard-grid,
    .two-columns {
        grid-template-columns: 1fr;
    }
}