:root {
    color-scheme: light;
    --color-primary: #17365c;
    --color-primary-hover: #102744;
    --color-background: #f3f5f8;
    --color-surface: #ffffff;
    --color-text: #202938;
    --color-muted: #697586;
    --color-border: #dce2ea;
    --color-danger: #b42318;
    --color-success: #067647;
    --radius: 8px;
    --shadow: 0 2px 8px rgb(16 24 40 / 6%);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--color-background);
    color: var(--color-text);
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #ffffff;
    cursor: pointer;
    text-decoration: none;
}

button:hover,
.button:hover {
    background: var(--color-primary-hover);
    text-decoration: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid #84adff;
    outline-offset: 2px;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

input,
select,
textarea {
    width: 100%;
    min-height: 40px;
    padding: 9px 11px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 8px;
    font-size: 26px;
    line-height: 1.25;
}

h2 {
    font-size: 19px;
}

.muted {
    color: var(--color-muted);
}

.card {
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 18px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th,
td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

th {
    background: #f8fafc;
    color: #344054;
    font-weight: 600;
}

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

.alert {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.alert-error {
    border-color: #fecdca;
    color: var(--color-danger);
}

.alert-success {
    border-color: #abefc6;
    color: var(--color-success);
}

@media (max-width: 640px) {
    h1 {
        font-size: 22px;
    }

    .card {
        padding: 16px;
    }

    th,
    td {
        padding: 10px;
    }
}

/* Estructura general del BackOffice */

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    flex: 0 0 245px;
    padding: 24px 16px;
    background: var(--color-primary);
    color: #ffffff;
}

.admin-brand {
    display: block;
    margin-bottom: 32px;
    padding: 0 10px;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.admin-brand:hover {
    text-decoration: none;
}

.admin-sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav-link {
    display: block;
    padding: 11px 12px;
    border-radius: 6px;
    color: #e8eef6;
}

.nav-link:hover,
.nav-link-active {
    background: rgb(255 255 255 / 14%);
    color: #ffffff;
    text-decoration: none;
}

.admin-main {
    display: flex;
    flex: 1;
    min-width: 0;
    flex-direction: column;
}

.admin-header {
    display: flex;
    min-height: 64px;
    align-items: center;
    padding: 16px 28px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-muted);
}

.admin-content {
    flex: 1;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 32px 28px;
}

.admin-footer {
    padding: 18px 28px;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 12px;
}

@media (max-width: 760px) {
    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        flex: auto;
        padding: 16px;
    }

    .admin-brand {
        margin-bottom: 16px;
    }

    .admin-sidebar nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nav-link {
        padding: 10px;
    }

    .admin-header {
        min-height: 52px;
        padding: 14px 18px;
    }

    .admin-content {
        padding: 22px 16px;
    }

    .admin-footer {
        padding: 16px;
    }
}