/* Admin Librería Woody - diseño profesional */

:root {
    --admin-blue: #123a60;
    --admin-blue-2: #17496f;
    --admin-orange: #f26938;
    --admin-orange-2: #ff8b48;
    --admin-bg: #f6f0e7;
    --admin-card: #ffffff;
    --admin-text: #102033;
    --admin-muted: #627084;
    --admin-border: rgba(20, 56, 90, .10);
    --admin-shadow: 0 18px 36px rgba(20, 56, 90, .10);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--admin-bg);
    color: var(--admin-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
}

.admin-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    background:
        radial-gradient(circle at 85% 10%, rgba(242,105,56,.08), transparent 25%),
        var(--admin-bg);
}

.admin-side {
    width: 280px;
    min-height: 100vh;
    padding: 24px 18px;
    background:
        radial-gradient(circle at 10% 5%, rgba(255,255,255,.12), transparent 22%),
        linear-gradient(180deg, var(--admin-blue) 0%, #123f69 100%);
    color: #fff;
    position: sticky;
    top: 0;
    align-self: start;
    box-shadow: 12px 0 32px rgba(20, 56, 90, .12);
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 30px;
    padding: 12px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255,255,255,.10);
}

.admin-brand img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    background: #fff;
    border-radius: 15px;
    padding: 7px;
    flex: 0 0 auto;
    box-shadow: 0 12px 22px rgba(0,0,0,.18);
}

.admin-brand span {
    font-size: 1.1rem;
    font-weight: 900;
    line-height: 1.2;
    white-space: nowrap;
}

.admin-menu {
    display: grid;
    gap: 9px;
}

.admin-menu a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 0 15px;
    border-radius: 14px;
    color: #fff;
    text-decoration: none;
    font-weight: 850;
    transition: background .2s ease, transform .2s ease, color .2s ease;
}

.admin-menu a:hover {
    background: rgba(255, 255, 255, 0.13);
    transform: translateX(3px);
}

.admin-main {
    min-width: 0;
    padding: 42px 44px;
}

.admin-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 26px;
}

.admin-top h1 {
    margin: 0 0 8px;
    color: var(--admin-blue);
    font-size: clamp(2rem, 3.4vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.admin-note {
    margin: 0;
    color: var(--admin-muted);
    line-height: 1.65;
    font-size: 1.02rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(170px, 1fr));
    gap: 20px;
    margin: 24px 0 30px;
}

.metric {
    position: relative;
    overflow: hidden;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    border-radius: 24px;
    background:
        radial-gradient(circle at top right, rgba(242,105,56,.14), transparent 36%),
        var(--admin-card);
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
    color: var(--admin-blue);
}

.metric::after {
    content: "";
    position: absolute;
    right: -28px;
    bottom: -28px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(242,105,56,.10);
}

.metric b {
    display: block;
    margin-bottom: 18px;
    font-size: 3rem;
    line-height: 1;
    color: var(--admin-orange);
    letter-spacing: -0.05em;
}

.metric span,
.metric {
    font-weight: 900;
    font-size: 1.02rem;
}

.panel {
    background: var(--admin-card);
    border-radius: 24px;
    padding: 26px;
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
}

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

.field {
    display: grid;
    gap: 8px;
}

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

.field label {
    font-weight: 900;
    color: var(--admin-blue);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: 48px;
    border: 1px solid #d9e1ea;
    border-radius: 14px;
    padding: 10px 13px;
    font-size: 1rem;
    color: var(--admin-text);
    background: #fff;
    outline: none;
}

.field textarea {
    min-height: 130px;
    resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--admin-orange);
    box-shadow: 0 0 0 4px rgba(242, 105, 56, 0.12);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 17px;
    border-radius: 13px;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    font-weight: 900;
    font-size: .95rem;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--admin-orange) 0%, var(--admin-orange-2) 100%);
    box-shadow: 0 12px 20px rgba(242, 105, 56, 0.24);
}

.btn-light {
    color: var(--admin-blue);
    background: #eaf1f8;
}

.btn-danger {
    color: #fff;
    background: #c0392b;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--admin-shadow);
    border: 1px solid var(--admin-border);
}

.table th,
.table td {
    padding: 14px 15px;
    border-bottom: 1px solid #edf1f5;
    text-align: left;
    vertical-align: middle;
}

.table th {
    background: var(--admin-blue);
    color: #fff;
}

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

.thumb,
.admin-current-img {
    width: 76px;
    height: 76px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid #e1e7ee;
    background: #f7f9fb;
}

.admin-current-img {
    width: 120px;
    height: 120px;
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
    font-weight: 800;
}

.alert.ok {
    background: #e9f8ef;
    color: #1f7a43;
    border: 1px solid #bfe8cd;
}

.alert.error {
    background: #fff0ec;
    color: #b54624;
    border: 1px solid #ffd5c9;
}

/* Login */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background:
        radial-gradient(circle at 10% 10%, rgba(242,105,56,.16), transparent 28%),
        linear-gradient(135deg, #f8f3ea 0%, #eef5fb 100%);
}

.admin-login-card {
    width: min(430px, 100%);
    background: #fff;
    border-radius: 24px;
    padding: 34px;
    box-shadow: 0 22px 50px rgba(20, 56, 90, .16);
    border: 1px solid rgba(20,56,90,.08);
}

.admin-login-brand {
    text-align: center;
    margin-bottom: 24px;
}

.admin-login-brand img {
    width: 104px;
    height: auto;
    display: block;
    margin: 0 auto 16px;
    background: #fff;
    border-radius: 18px;
    padding: 8px;
    box-shadow: 0 12px 24px rgba(20,56,90,.13);
}

.admin-login-brand h1 {
    margin: 0 0 8px;
    color: var(--admin-blue);
    font-size: 1.65rem;
}

.admin-login-brand p {
    margin: 0;
    color: #5f6f7f;
    line-height: 1.6;
}

.admin-alert {
    padding: 13px 15px;
    border-radius: 14px;
    margin-bottom: 18px;
    font-weight: 700;
}

.admin-alert-error {
    background: #fff0ec;
    color: #b54624;
    border: 1px solid #ffd5c9;
}

.admin-login-form {
    display: grid;
    gap: 12px;
}

.admin-login-form label {
    font-weight: 800;
    color: var(--admin-blue);
}

.admin-login-form input {
    width: 100%;
    min-height: 48px;
    border: 1px solid #d9e1ea;
    border-radius: 14px;
    padding: 0 14px;
    font-size: 1rem;
    outline: none;
}

.admin-login-form input:focus {
    border-color: var(--admin-orange);
    box-shadow: 0 0 0 4px rgba(242,105,56,.12);
}

.admin-login-form button {
    margin-top: 8px;
    min-height: 50px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--admin-orange) 0%, var(--admin-orange-2) 100%);
    color: #fff;
    font-weight: 900;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 14px 24px rgba(242,105,56,.24);
}

.admin-back-link {
    display: block;
    margin-top: 18px;
    text-align: center;
    color: var(--admin-blue);
    text-decoration: none;
    font-weight: 800;
}

@media (max-width: 1150px) {
    .grid {
        grid-template-columns: repeat(2, minmax(170px, 1fr));
    }
}

@media (max-width: 900px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-side {
        position: relative;
        width: 100%;
        min-height: auto;
    }

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

    .admin-main {
        padding: 24px;
    }

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

    .admin-top {
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .admin-menu {
        grid-template-columns: 1fr;
    }

    .admin-main {
        padding: 16px;
    }

    .panel {
        padding: 18px;
    }

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