:root {
    --bg: #f4f5ef;
    --surface: #ffffff;
    --ink: #1f2937;
    --muted: #6b7280;
    --line: #d9decc;
    --primary: #1f5f4b;
    --primary-soft: #e8f1ed;
    --danger: #a83b3b;
    --danger-soft: #f9e9e9;
    --warning: #b67f16;
    --warning-soft: #fff4dc;
    --ok: #1d6c3f;
    --ok-soft: #eaf7ef;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 5% 10%, #eef6f1, #f4f5ef 45%);
}

.app-shell {
    min-height: 100vh;
}

.topbar {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    position: sticky;
    top: 0;
}

.brand {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.menu {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.menu a {
    text-decoration: none;
    color: var(--ink);
    font-size: 0.95rem;
}

.menu a:hover {
    color: var(--primary);
}

.session-box {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.container {
    max-width: 1180px;
    margin: 1.3rem auto;
    padding: 0 1rem 2rem;
}

.grid {
    display: grid;
    gap: 1rem;
}

.grid.cards {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 1rem;
}

.card h3,
.card h2 {
    margin-top: 0;
}

.kpi {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 0.4rem;
}

.toolbar {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0.55rem 0.65rem;
    background: #fff;
}

textarea {
    min-height: 78px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.7rem;
}

.form-actions {
    margin-top: 0.8rem;
    display: flex;
    gap: 0.6rem;
}

.btn {
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0.52rem 0.82rem;
    cursor: pointer;
    text-decoration: none;
}

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

.btn-secondary {
    background: transparent;
    border-color: var(--line);
    color: var(--ink);
}

.inline-form {
    display: inline;
}

.alert {
    border-radius: 8px;
    padding: 0.65rem 0.8rem;
    margin-bottom: 0.8rem;
}

.alert.success {
    background: var(--ok-soft);
    border: 1px solid #bfdcc9;
}

.alert.error {
    background: var(--danger-soft);
    border: 1px solid #f0c7c7;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--line);
}

th,
td {
    text-align: left;
    padding: 0.6rem;
    border-bottom: 1px solid #ecf0df;
    vertical-align: top;
}

th {
    background: #f8f9f4;
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    border-radius: 999px;
    padding: 0.15rem 0.5rem;
    font-size: 0.76rem;
    border: 1px solid transparent;
}

.badge.estado-disponible,
.badge.estado-devuelto {
    background: var(--ok-soft);
    border-color: #c6e2d1;
}

.badge.estado-prestada,
.badge.estado-prestado {
    background: var(--warning-soft);
    border-color: #e9d29e;
}

.badge.estado-incidencia,
.badge.estado-danada,
.badge.estado-revision,
.badge.estado-fuera_servicio {
    background: var(--danger-soft);
    border-color: #e9b9b9;
}

.login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1.2rem;
}

.print-label {
    width: 60mm;
    height: 40mm;
    border: 1px dashed #333;
    margin: 0 auto;
    padding: 2mm;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5mm;
    text-align: center;
    background: #fff;
}

.print-label img {
    width: 26mm;
    height: 26mm;
}

@media (max-width: 840px) {
    .topbar {
        flex-wrap: wrap;
    }

    .session-box {
        margin-left: 0;
    }
}

@media print {
    .topbar,
    .no-print,
    .alert {
        display: none !important;
    }

    body,
    .container {
        margin: 0;
        padding: 0;
        background: #fff;
    }
}