/* Admin Design System */
:root {
    --admin-primary: #1f1f1f;
    --admin-primary-dark: #111111;
    --admin-accent: #2f2f2f;
    --admin-accent-soft: #f3f3f3;
    --admin-text: #1f1f1f;
    --admin-muted: #5b5b5b;
    --admin-border: #e2e2e2;
    --admin-bg: #f6f6f6;
    --admin-surface: #ffffff;
    --admin-sidebar: #6f1220;
    --admin-sidebar-muted: #f0d8dd;
    --sidebar-width: 258px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Roboto', 'Inter', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
}

.admin-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #8f1d2c 0%, #5f0f1b 100%);
    color: #eaf0ff;
    flex-shrink: 0;
    border-right: 1px solid #4f0c17;
    transition: transform .28s ease;
    z-index: 1200;
}

.admin-menu-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 12px;
    border-radius: 9px;
    border: 1px solid #dcdcdc;
    background: #fff;
    color: #1f1f1f;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
}

.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(35, 8, 13, 0.54);
    backdrop-filter: blur(1px);
    z-index: 1100;
}

.sidebar-header {
    padding: 18px 14px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.sidebar-header h3 {
    margin: 0;
    letter-spacing: 0.3px;
    font-weight: 700;
}

.sidebar-logo {
    display: block;
    margin: 0 auto;
    height: 36px;
    width: auto;
    max-width: 190px;
    object-fit: contain;
}

.sidebar-menu {
    list-style: none;
    padding: 10px;
    margin: 0;
}

.sidebar-menu li a {
    display: block;
    padding: 12px 12px;
    border-radius: 8px;
    color: #f6e6e9;
    text-decoration: none;
    transition: all .2s ease;
    font-size: .95rem;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
}

.admin-content {
    flex-grow: 1;
    padding: 24px 28px;
    min-width: 0;
}

.admin-brandbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 54px 18px 16px;
    border-radius: 16px;
    background: linear-gradient(145deg, #ffffff 0%, #fafafa 48%, #f4f4f4 100%);
    color: #171717;
    border: 1px solid #d9d9d9;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.75);
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.admin-brandbar::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 132px;
    height: 30px;
    background: url('/quantum-soluciones/assets/images/logo.PNG') center center / contain no-repeat;
    opacity: 0.98;
    pointer-events: none;
}

.admin-brandbar-title {
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: .01em;
}

.admin-brandbar-sub {
    font-size: .84rem;
    color: #4f4f4f;
}

.admin-brandbar-links,
.admin-brandbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-brandbar-links a,
.admin-brandbar-actions a {
    height: 34px;
    padding: 0 13px;
    border-radius: 10px;
    border: 1px solid #cfcfcf;
    color: #242424;
    background: linear-gradient(180deg, #ffffff 0%, #f5f5f5 100%);
    text-decoration: none;
    font-size: .86rem;
    display: inline-flex;
    align-items: center;
}

.admin-brandbar-links a.active,
.admin-brandbar-links a:hover,
.admin-brandbar-actions a:hover {
    background: #f4f4f4;
    border-color: #d0d0d0;
    color: #1f1f1f;
}

.admin-header {
    margin-bottom: 16px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    box-shadow: none;
    padding: 14px 16px;
}

.admin-header h2 {
    margin: 0;
    font-size: 1.2rem;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 14px;
}

.card,
.metric-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    box-shadow: none;
}

.metric-card {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 16px;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    position: relative;
    overflow: hidden;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: #d5d5d5;
}

.dashboard-cards .metric-card:nth-child(1) {
    background: #ffffff;
}

.dashboard-cards .metric-card:nth-child(2) {
    background: #ffffff;
}

.dashboard-cards .metric-card:nth-child(3) {
    background: #ffffff;
}

.dashboard-cards .metric-card:nth-child(4) {
    background: #ffffff;
}

.dashboard-cards .metric-card::after {
    content: none;
}

.metric-label {
    font-size: .88rem;
    color: var(--admin-muted);
    margin-bottom: 6px;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.metric-link {
    font-size: .84rem;
    color: #44506a;
    font-weight: 500;
}

.quick-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.quick-links a {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    text-decoration: none;
    color: #2b2b2b;
    background: #fff;
}

.quick-links a:hover {
    background: #f3f3f3;
}

.module-form {
    display: block;
    margin-bottom: 16px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid var(--admin-border);
    border-radius: 14px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

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

.form-grid label {
    display: block;
    margin-bottom: 4px;
    font-size: .9rem;
    color: #3b3b3b;
}

.form-grid input,
.form-grid select,
.form-grid textarea,
.table-search input,
.table-search select {
    width: 100%;
    height: 42px;
    border: 1px solid #dddddd;
    border-radius: 8px;
    padding: 0 10px;
    background: #ffffff;
}

.form-grid textarea {
    height: 90px;
    padding: 10px;
}

.checks {
    display: flex;
    gap: 14px;
    align-items: center;
}

.btn-save,
.btn,
.btn-mini {
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-save,
.btn {
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid #1f1f1f;
    background: #1f1f1f;
    color: #fff;
}

.admin-content .btn-save,
.admin-content .btn {
    border: 1px solid #1f1f1f;
    background: #1f1f1f;
}

.admin-content .btn-save:hover,
.admin-content .btn:hover {
    background: #111111;
}

.btn {
    width: 100%;
}

.btn-mini {
    height: 34px;
    border: 1px solid #d7d7d7;
    background: #ffffff;
    color: #2b2b2b;
    padding: 0 10px;
    font-size: .88rem;
}

.btn-mini.danger {
    border-color: #d2d2d2;
    color: #1f1f1f;
}

.btn-inline {
    margin-left: 8px;
}

.alert {
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    border: 1px solid transparent;
    font-size: .92rem;
}

.alert.ok {
    background: #f6f8fb;
    color: #1f1f1f;
    border-color: #dce1ea;
}

.alert.err {
    background: #f8f8f8;
    color: #1f1f1f;
    border-color: #e1e1e1;
}

.table-tools {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin: 0 0 10px;
    padding: 10px;
    border-radius: 10px;
    background: #ffffff;
    border: 1px solid #e2e2e2;
}

.table-search {
    display: flex;
    gap: 8px;
    align-items: center;
}

.table-search input {
    min-width: 260px;
    height: 36px;
}

.table-search select {
    min-width: 120px;
    height: 36px;
}

.orders-search {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(220px, 2.2fr) minmax(150px, 1fr) minmax(150px, 1fr) minmax(150px, 1fr) auto auto;
    gap: 8px;
    align-items: center;
}

.orders-search input,
.orders-search select {
    min-width: 0;
    width: 100%;
}

.orders-search .btn-mini {
    white-space: nowrap;
}

@media (max-width: 1200px) {
    .orders-search {
        grid-template-columns: minmax(180px, 1.5fr) repeat(3, minmax(130px, 1fr));
    }

    .orders-search .btn-mini {
        width: 100%;
    }
}

@media (max-width: 980px) {
    .orders-search {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .orders-search {
        grid-template-columns: 1fr;
    }
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: none;
}

.table th,
.table td {
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid #efefef;
    font-size: .92rem;
}

.table th {
    background: #f4f4f4;
    font-weight: 600;
    color: #2b2b2b;
}

.table tbody tr:nth-child(even) td {
    background: #fcfcfc;
}

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

.actions {
    display: flex;
    gap: 8px;
}

.file-link {
    color: #1f1f1f;
    text-decoration: none;
}

.file-link:hover {
    text-decoration: underline;
}

.pager {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
    margin-top: 12px;
}

.pager a,
.pager span {
    height: 32px;
    min-width: 32px;
    padding: 0 10px;
    border: 1px solid #d7d7d7;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #333;
    background: #fff;
}

.pager .current {
    background: #1f1f1f;
    color: #fff;
    border-color: #1f1f1f;
}

@media (max-width: 1200px) {
    .admin-content {
        padding: 18px;
    }

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

.login-shell {
    min-height: 100vh;
    padding: 20px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-layout {
    width: min(1120px, 100%);
    margin: 0;
    min-height: min(720px, calc(100vh - 40px));
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    border-radius: 0;
    overflow: visible;
    border: 0;
    background: transparent;
    box-shadow: none;
}

@media (max-width: 1200px) {
    .login-layout {
        grid-template-columns: 1fr 1fr;
        min-height: min(660px, calc(100vh - 40px));
    }

    .login-brand-panel,
    .login-wrap {
        padding: 0 30px;
    }

    .login-brand-logo {
        width: min(440px, 92%);
    }
}

.login-brand-panel {
    background: #ffffff;
    color: #111;
    border-right: 1px solid #e3e3e3;
    padding: 0 46px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-brand-logo {
    width: min(520px, 96%);
    height: auto;
    object-fit: contain;
}

.login-brand-panel h1 {
    margin: 0;
    font-size: clamp(1.45rem, 2vw, 2.05rem);
    letter-spacing: -0.02em;
}

.login-brand-panel p {
    margin: 0;
    color: #4f4f4f;
    font-size: 0.94rem;
    line-height: 1.55;
    max-width: 520px;
}

.login-brand-points {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 9px;
}

.login-brand-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #303030;
    font-size: 0.88rem;
}

.login-brand-points i {
    color: #111;
}

.login-brand-link {
    margin-top: 6px;
    height: 42px;
    width: fit-content;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid #1f1f1f;
    color: #fff;
    background: #1f1f1f;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.login-brand-link:hover {
    background: #111;
}

.login-wrap {
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 46px;
}

.login-card {
    width: min(420px, 100%);
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.login-card h2 {
    margin: 0 0 16px;
    font-size: 1.55rem;
    letter-spacing: -0.02em;
}

.login-card-sub {
    margin: -8px 0 14px;
    color: #5f5f5f;
    font-size: 0.9rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.login-card .form-row input {
    height: 42px;
    border: 1px solid #d6d6d6;
    border-radius: 8px;
    padding: 0 10px;
}

.error {
    margin: 0 0 12px;
    color: #111;
    font-size: .92rem;
    background: transparent;
    border: 0;
    border-left: 2px solid #1f1f1f;
    border-radius: 0;
    padding: 4px 0 4px 10px;
}

.login-card .form-row input:focus {
    border-color: #1f1f1f;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
    outline: none;
}

.login-shell .login-card,
.login-shell .login-card:hover {
    transform: none !important;
    box-shadow: none !important;
}

@media (max-width: 980px) {
    .login-shell {
        padding: 12px;
        align-items: stretch;
    }

    .login-layout {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .login-brand-panel {
        padding: 22px 16px;
        border-right: 0;
        border-bottom: 1px solid #e3e3e3;
        min-height: 220px;
    }

    .login-brand-logo {
        width: min(460px, 92%);
    }

    .login-wrap {
        padding: 22px 16px 18px;
    }

    .login-card {
        padding: 0;
    }

    .login-card h2,
    .login-card-sub {
        text-align: center;
    }
}

@media (max-width: 640px) {
    .login-brand-panel {
        min-height: 180px;
        padding: 18px 12px;
    }

    .login-brand-logo {
        width: min(360px, 94%);
    }

    .login-card {
        width: 100%;
    }

    .form-row {
        margin-bottom: 10px;
    }

    .form-row input {
        height: 44px;
    }

    .btn {
        min-height: 44px;
    }
}

@media (max-width: 980px) {
    .admin-wrapper {
        flex-direction: column;
    }

    .admin-sidebar {
        width: min(280px, 84vw);
        max-width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        transform: translateX(-102%);
        box-shadow: 16px 0 36px rgba(47, 8, 15, 0.38);
        overflow-y: auto;
    }

    .admin-wrapper.menu-open .admin-sidebar {
        transform: translateX(0);
    }

    .admin-wrapper.menu-open .admin-sidebar-overlay {
        display: block;
    }

    .admin-content {
        padding: 14px;
        overflow-x: hidden;
    }

    .admin-menu-toggle {
        display: inline-flex;
        margin-bottom: 10px;
    }

    .admin-brandbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding-top: 50px;
    }

    .admin-brandbar-actions,
    .admin-brandbar-links {
        width: 100%;
    }

    .admin-brandbar-actions a,
    .admin-brandbar-links a {
        flex: 1;
        justify-content: center;
    }

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

    .checks {
        flex-wrap: wrap;
        row-gap: 8px;
    }

    .table-tools {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .table-search {
        width: 100%;
        flex-wrap: wrap;
    }

    .table-search input,
    .table-search select {
        min-width: 0;
        flex: 1;
    }

    .table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    .pager {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .admin-content {
        padding: 12px;
    }

    .admin-header {
        padding: 12px;
    }

    .admin-header h2 {
        font-size: 1.05rem;
    }

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

    .admin-brandbar-title {
        font-size: 1rem;
    }

    .admin-brandbar-sub {
        font-size: .8rem;
    }

    .admin-brandbar::before {
        width: 114px;
        height: 26px;
        top: 12px;
    }

    .admin-brandbar-actions a,
    .admin-brandbar-links a,
    .table-search .btn-mini,
    .table-search .btn,
    .btn-inline {
        width: 100%;
    }

    .btn-inline {
        margin-left: 0;
        margin-top: 8px;
    }

    .module-form {
        padding: 12px;
    }
}

/* ADMIN PREMIUM POLISH */
.admin-content {
    background: transparent;
}

.admin-header,
.card,
.metric-card,
.table,
.login-card,
.module-form,
.table-tools {
    transition: border-color .2s ease, background-color .2s ease;
}

.metric-card:hover,
.module-form:hover,
.table:hover,
.login-card:hover {
    transform: none;
    box-shadow: none;
}

.admin-header h2,
.admin-brandbar-title,
.metric-value {
    letter-spacing: -0.2px;
}

.form-grid input,
.form-grid select,
.form-grid textarea,
.table-search input,
.table-search select,
.form-row input {
    transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus,
.table-search input:focus,
.table-search select:focus,
.form-row input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, .12);
    outline: none;
    background-color: #fff;
}

.btn-save,
.btn,
.btn-mini {
    transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}

.btn-save:hover,
.btn:hover,
.btn-mini:hover {
    transform: none;
    box-shadow: none;
}

/* LOGIN CENTERED OVERRIDE (MOBILE/TABLET ONLY) */
@media (max-width: 980px) {
    .login-shell {
        min-height: 100vh;
        padding: 12px;
        background: #fff;
        display: flex;
        align-items: stretch;
        justify-content: center;
    }

    .login-layout {
        width: min(560px, 100%);
        min-height: calc(100vh - 24px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 4px;
        padding-top: 24px;
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .login-brand-panel {
        border: 0;
        padding: 0;
        min-height: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .login-brand-logo {
        width: min(190px, 52vw);
        height: auto;
        object-fit: contain;
    }

    .login-wrap {
        width: 100%;
        padding: 8px 0 0;
        margin-top: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }

    .login-wrap::before {
        content: none;
    }

    .login-card {
        width: min(400px, 100%);
        border: 0;
        box-shadow: none;
        padding: 0;
    }

    .login-card h2,
    .login-card-sub {
        text-align: center;
    }
}

@media (max-width: 640px) {
    .login-layout {
        padding-top: 56px;
    }

    .login-brand-logo {
        width: min(160px, 48vw);
    }
}

.table th {
    position: sticky;
    top: 0;
    z-index: 1;
}

.table tr:hover td {
    background-color: #f7f7f7;
}

.sidebar-menu li a {
    border: 1px solid transparent;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    border-color: rgba(255, 255, 255, 0.25);
}

.blog-admin-form textarea {
    min-height: 170px;
    resize: vertical;
}

.blog-admin-form textarea[name="resumen"] {
    min-height: 110px;
}

.blog-admin-form textarea[name="informacion_tecnica"] {
    min-height: 360px;
}