:root {
    --ink: #1a0a0a;
    --red: #c1121f;
    --red-deep: #8a0f18;
    --bg: #fff5f5;
    --panel: #ffffff;
    --font: "DM Sans", system-ui, sans-serif;
}

body.admin-body,
body.login-body {
    margin: 0;
    font-family: var(--font);
    background:
        radial-gradient(circle at top left, rgba(193, 18, 31, 0.14), transparent 35%),
        linear-gradient(160deg, #ffffff, #fff1f1);
    color: var(--ink);
    min-height: 100vh;
}

.admin-shell {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: linear-gradient(180deg, #8a0f18, #c1121f 55%, #e5383b);
    color: white;
    padding: 1.5rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.admin-brand {
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.admin-brand span {
    width: 2rem;
    height: 2rem;
    border-radius: 0.6rem;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.18);
}

.admin-logo {
    height: 36px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    background: white;
    border-radius: 8px;
    padding: 0.2rem 0.35rem;
}

.admin-nav {
    display: grid;
    gap: 0.35rem;
}

.admin-nav a {
    color: rgba(255, 255, 255, 0.88);
    text-decoration: none;
    padding: 0.7rem 0.85rem;
    border-radius: 12px;
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(255, 255, 255, 0.16);
    color: white;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.12);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.22);
    color: white;
}

.admin-main { min-width: 0; }

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 2px solid rgba(193, 18, 31, 0.18);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-badge {
    background: rgba(193, 18, 31, 0.12);
    color: var(--red-deep);
    text-transform: uppercase;
}

.admin-content { padding: 1.5rem; }

.admin-panel {
    background: var(--panel);
    border: 1px solid rgba(193, 18, 31, 0.12);
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: 0 10px 30px rgba(138, 15, 24, 0.06);
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid rgba(193, 18, 31, 0.12);
    display: grid;
    gap: 0.35rem;
}

.stat-card span {
    font-size: 0.85rem;
    color: #9a6b6b;
}

.stat-card strong { font-size: 1.6rem; }

.tone-news strong,
.tone-pub strong,
.tone-feat strong,
.tone-cat strong,
.tone-ads strong,
.tone-users strong { color: var(--red); }

.thumb {
    width: 72px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
}

.preview-img,
.logo-preview {
    max-width: 240px;
    max-height: 80px;
    object-fit: contain;
    border-radius: 12px;
    background: #fff5f5;
    border: 1px solid rgba(193, 18, 31, 0.12);
    padding: 0.5rem;
}

.media-hint {
    background: #fff5f5;
    border: 1px solid rgba(193, 18, 31, 0.14);
    border-radius: 12px;
    padding: 0.75rem 0.9rem;
    font-size: 0.9rem;
    color: #5c2a2a;
}

.preview-frame {
    border: 1px dashed rgba(193, 18, 31, 0.25);
    border-radius: 12px;
    background: #fff;
    display: grid;
    place-items: center;
    overflow: hidden;
}

.preview-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.preview-ad { width: 100%; max-width: 280px; aspect-ratio: 4 / 5; }
.preview-cover { width: 100%; max-width: 360px; aspect-ratio: 16 / 9; }
.preview-logo { width: 220px; aspect-ratio: 8 / 3; padding: 0.5rem; }

.btn-primary {
    background: var(--red);
    border-color: var(--red);
}

.btn-primary:hover {
    background: var(--red-deep);
    border-color: var(--red-deep);
}

.login-body {
    display: grid;
    place-items: center;
    padding: 2rem;
}

.login-card {
    width: min(420px, 100%);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(193, 18, 31, 0.14);
    border-radius: 22px;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(138, 15, 24, 0.1);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
}

.login-brand .brand-k {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 0.7rem;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, var(--red), var(--red-deep));
    color: white;
}

.login-title {
    font-size: 1.8rem;
    font-weight: 700;
}

@media (max-width: 900px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { min-height: auto; }
}