:root {
    --adtrack-red: #b42318;
    --adtrack-red-dark: #7f1d1d;
    --adtrack-red-soft: #fee2e2;
    --adtrack-rose: #fff1f2;
    --adtrack-ink: #2b1618;
    --adtrack-muted: #6b4b4f;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(180, 35, 24, 0.16), transparent 28%),
        radial-gradient(circle at right center, rgba(127, 29, 29, 0.12), transparent 25%),
        linear-gradient(180deg, #fff7f7 0%, #fff 100%);
    color: var(--adtrack-ink);
}

.topbar {
    background: linear-gradient(135deg, var(--adtrack-red-dark), var(--adtrack-red));
}

.navbar-brand {
    letter-spacing: 0.04em;
}

.auth-card,
.stat-card,
.ad-card,
.card {
    border-radius: 1.25rem;
}

.auth-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.stat-card {
    background: linear-gradient(180deg, #fff, #fff5f5);
}

.empty-state {
    padding: 2rem;
    text-align: center;
    border: 1px dashed rgba(180, 35, 24, 0.25);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.65);
    color: var(--adtrack-muted);
}

.ad-card {
    padding: 1.25rem;
    border: 1px solid rgba(180, 35, 24, 0.12);
    background: #fff;
    box-shadow: 0 12px 30px rgba(100, 33, 33, 0.08);
}

.ad-card.overdue {
    border-left: 6px solid var(--adtrack-red-dark);
}

.ad-card.due {
    border-left: 6px solid var(--adtrack-red);
}

.ad-card.upcoming {
    border-left: 6px solid #f59e0b;
}

.copy-box {
    margin: 0;
    padding: 1rem;
    border-radius: 1rem;
    white-space: pre-wrap;
    background: var(--adtrack-rose);
    color: var(--adtrack-ink);
    border: 1px solid rgba(180, 35, 24, 0.15);
    font-family: "Consolas", "Courier New", monospace;
    font-size: 0.95rem;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.85rem;
}

.photo-grid-editor {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.photo-card {
    display: block;
    padding: 0.5rem;
    border-radius: 1rem;
    background: #fff7f7;
    border: 1px solid rgba(180, 35, 24, 0.12);
}

.photo-link {
    color: inherit;
    text-decoration: none;
}

.photo-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 0.8rem;
    background: #f5dede;
}

.photo-meta {
    margin-top: 0.5rem;
    font-size: 0.78rem;
    color: var(--adtrack-muted);
    word-break: break-word;
}

.soft-badge {
    background: var(--adtrack-red-soft);
    color: var(--adtrack-red-dark);
}

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

.btn-danger:hover,
.btn-danger:focus {
    background-color: var(--adtrack-red-dark);
    border-color: var(--adtrack-red-dark);
}

.btn-outline-danger {
    color: var(--adtrack-red);
    border-color: rgba(180, 35, 24, 0.35);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
    background-color: var(--adtrack-red);
    border-color: var(--adtrack-red);
}

.form-control,
.form-select {
    border-radius: 0.9rem;
    border-color: rgba(107, 75, 79, 0.2);
    padding: 0.8rem 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(180, 35, 24, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(180, 35, 24, 0.12);
}

.table > :not(caption) > * > * {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

@media (max-width: 767.98px) {
    .display-6 {
        font-size: 2.2rem;
    }

    .ad-card,
    .card-body {
        padding: 1rem;
    }
}