:root {
    --bg-main: #f3f7fb;
    --bg-sidebar: linear-gradient(180deg, #0f172a 0%, #111827 55%, #172554 100%);
    --panel-bg: rgba(255, 255, 255, 0.92);
    --panel-border: rgba(148, 163, 184, 0.22);
    --text-main: #0f172a;
    --text-soft: #64748b;
    --text-inverse: #e2e8f0;
    --accent: #0f766e;
    --accent-strong: #115e59;
    --accent-alt: #2563eb;
    --danger: #dc2626;
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.16);
    --shadow-md: 0 16px 36px rgba(15, 23, 42, 0.1);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

body.admin-body,
body.login-body {
    margin: 0;
    min-height: 100vh;
    font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 28%),
        radial-gradient(circle at bottom right, rgba(15, 118, 110, 0.15), transparent 25%),
        var(--bg-main);
}

a {
    text-decoration: none;
}

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

.admin-sidebar {
    width: 310px;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
    background: var(--bg-sidebar);
    color: var(--text-inverse);
    position: sticky;
    top: 0;
    min-height: 100vh;
}

.brand-block {
    display: block;
    padding: 18px 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.brand-block strong,
.brand-block span {
    display: block;
}

.brand-kicker {
    font-size: 0.76rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #93c5fd;
    margin-bottom: 8px;
}

.brand-block strong {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.brand-block span:last-child {
    color: rgba(226, 232, 240, 0.75);
    font-size: 0.92rem;
    line-height: 1.55;
}

.sidebar-nav {
    display: grid;
    gap: 10px;
    margin-top: 22px;
}

.sidebar-link {
    padding: 14px 18px;
    border-radius: 16px;
    color: rgba(226, 232, 240, 0.86);
    font-weight: 600;
    transition: 0.22s ease;
}

.sidebar-link:hover,
.sidebar-link.is-active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    transform: translateX(3px);
}

.sidebar-activation-card {
    padding: 22px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.24), rgba(15, 118, 110, 0.3));
    border: 1px solid rgba(191, 219, 254, 0.18);
}

.sidebar-activation-card h2 {
    margin: 10px 0 8px;
    font-size: 1.3rem;
}

.sidebar-activation-card p {
    margin: 0 0 18px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: rgba(226, 232, 240, 0.84);
}

.quick-tag {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sidebar-cta,
.sidebar-logout,
.topbar-action,
.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    padding: 13px 18px;
    font-weight: 700;
    transition: 0.2s ease;
}

.sidebar-cta,
.topbar-action,
.primary-button {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    border: none;
    box-shadow: 0 14px 28px rgba(15, 118, 110, 0.22);
}

.sidebar-logout,
.secondary-button {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: none;
}

.sidebar-activation-card .sidebar-cta,
.sidebar-activation-card .sidebar-logout {
    width: 100%;
}

.sidebar-activation-card .sidebar-logout {
    margin-top: 12px;
}

.admin-main {
    flex: 1;
    padding: 32px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.eyebrow-text {
    margin: 0 0 6px;
    color: var(--accent-alt);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.74rem;
    font-weight: 800;
}

.admin-topbar h1 {
    margin: 0;
    font-size: clamp(1.9rem, 3vw, 2.5rem);
    font-weight: 800;
}

.page-description {
    margin: 8px 0 0;
    color: var(--text-soft);
    max-width: 640px;
    line-height: 1.5;
}

.page-content {
    display: grid;
    gap: 24px;
}

.admin-footer {
    margin-top: auto;
    padding: 20px 2px 6px;
    color: var(--text-soft);
    font-size: 0.9rem;
    text-align: center;
}

.admin-footer a {
    color: inherit;
}

.admin-footer a:hover {
    color: var(--accent-alt);
}

.content-card,
.stat-card,
.list-card,
.preview-card,
.login-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(18px);
}

.content-card,
.list-card,
.preview-card,
.login-card {
    padding: 24px;
}

.hero-grid,
.grid-two,
.stats-grid,
.preview-grid {
    display: grid;
    gap: 24px;
}

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

.grid-two {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.stat-card {
    padding: 24px;
}

.stat-label {
    color: var(--text-soft);
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-value {
    margin: 10px 0 6px;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
}

.stat-help {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.6;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}

.section-header h2,
.section-header h3 {
    margin: 0;
    font-weight: 800;
}

.section-header p {
    margin: 6px 0 0;
    color: var(--text-soft);
    line-height: 1.5;
}

.inline-actions,
.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button-row .primary-button,
.button-row .secondary-button {
    min-width: 180px;
}

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

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

.field-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.field-control,
.field-control:focus,
.field-control:active {
    width: 100%;
    border-radius: 16px;
    border: 1px solid #d6deea;
    padding: 15px 16px;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    color: var(--text-main);
    outline: none;
}

.field-control:focus {
    border-color: rgba(37, 99, 235, 0.5);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.helper-text {
    margin: 8px 0 0;
    color: var(--text-soft);
    font-size: 0.92rem;
    line-height: 1.6;
}

.alert-message {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 18px;
    font-weight: 600;
}

.alert-message.error {
    background: rgba(220, 38, 38, 0.1);
    color: #991b1b;
}

.alert-message.info,
.alert-message.success {
    background: rgba(15, 118, 110, 0.12);
    color: #115e59;
}

.resource-list {
    display: grid;
    gap: 14px;
}

.resource-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px;
    border-radius: 18px;
    background: rgba(248, 250, 252, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.95);
}

.resource-item strong {
    display: block;
    word-break: break-word;
}

.resource-item span {
    display: block;
    color: var(--text-soft);
    font-size: 0.92rem;
    margin-top: 6px;
}

.danger-button {
    border: none;
    border-radius: 12px;
    padding: 10px 14px;
    background: rgba(220, 38, 38, 0.12);
    color: var(--danger);
    font-weight: 700;
}

.preview-frame {
    width: 100%;
    max-height: 340px;
    object-fit: contain;
    border-radius: 22px;
    background: linear-gradient(180deg, #eff6ff, #f8fafc);
    border: 1px solid rgba(203, 213, 225, 0.9);
    padding: 14px;
}

.empty-state {
    padding: 18px;
    border-radius: 18px;
    background: rgba(248, 250, 252, 0.92);
    color: var(--text-soft);
    border: 1px dashed rgba(148, 163, 184, 0.4);
}

.sidebar-toggle {
    display: none;
    border: none;
    border-radius: 14px;
    padding: 12px 14px;
    background: rgba(15, 23, 42, 0.08);
    font-weight: 700;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 28px;
}

.login-card {
    width: min(100%, 1100px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(380px, 460px);
    overflow: hidden;
}

.login-aside {
    padding: 40px;
    background:
        radial-gradient(circle at top right, rgba(96, 165, 250, 0.26), transparent 24%),
        linear-gradient(160deg, #0f172a 0%, #0f766e 100%);
    color: #fff;
}

.login-aside h1 {
    margin: 18px 0 14px;
    font-size: clamp(2.1rem, 4vw, 3.3rem);
    line-height: 1.04;
}

.login-aside p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.7;
}

.login-points {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}

.login-point {
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
}

.login-point strong,
.login-point span {
    display: block;
}

.login-point span {
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.72);
}

.login-form-wrap {
    padding: 40px;
}

.login-form-wrap h2 {
    margin: 0 0 10px;
    font-size: 1.8rem;
    font-weight: 800;
}

.login-form-wrap > p {
    color: var(--text-soft);
    margin: 0 0 26px;
    line-height: 1.65;
}

.login-footer {
    width: 100%;
    padding-bottom: 0;
}

@media (max-width: 1100px) {
    .grid-two,
    .hero-grid,
    .stats-grid,
    .preview-grid,
    .login-card {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        width: 280px;
    }
}

@media (max-width: 900px) {
    .admin-shell {
        display: block;
    }

    .admin-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 40;
        width: min(84vw, 320px);
    }

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

    .admin-main {
        padding: 22px;
    }

    .sidebar-toggle {
        display: inline-flex;
    }

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

    .topbar-action {
        width: 100%;
    }

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

@media (max-width: 640px) {
    .content-card,
    .list-card,
    .preview-card,
    .login-card,
    .login-aside,
    .login-form-wrap,
    .stat-card {
        padding: 22px;
    }

    .admin-main {
        padding: 16px;
    }

    .login-shell {
        justify-content: flex-start;
    }

    .resource-item,
    .section-header,
    .button-row,
    .inline-actions {
        flex-direction: column;
        align-items: stretch;
    }
}