/* ═══════════════════════════════════════════════════════════════════════════
   3DMdl v2 Public — Bootstrap 5.3 public-facing styles
   Requires: theme.css (loaded first — provides CSS variables + base overrides)
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Navbar ────────────────────────────────────────────────────────────── */

.dm-navbar {
    background: var(--dm-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dm-card-border);
    padding: 0.5rem 0;
    z-index: 1030;
}

.dm-navbar .nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dm-text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--dm-radius);
    transition: color var(--dm-transition), background var(--dm-transition);
}
.dm-navbar .nav-link:hover {
    color: var(--dm-text-primary);
    background: var(--dm-accent-soft);
}
.dm-navbar .nav-link.active {
    color: var(--dm-accent);
    font-weight: 600;
}

/* ── Brand ─────────────────────────────────────────────────────────────── */

.dm-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-shrink: 0;
}
.dm-brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 0.5rem;
    background: var(--dm-gradient);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.dm-brand-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dm-text-primary);
    letter-spacing: -0.02em;
}

/* ── Search ────────────────────────────────────────────────────────────── */

.dm-search-form { position: relative; }
.dm-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    color: var(--dm-text-muted);
    pointer-events: none;
    z-index: 2;
}
.dm-search-input {
    padding-left: 2.25rem;
    background: var(--dm-input-bg);
    border: 1px solid var(--dm-input-border);
    border-radius: 2rem;
    font-size: 0.875rem;
    height: 38px;
    transition: border-color var(--dm-transition), box-shadow var(--dm-transition);
}
.dm-search-input:focus {
    border-color: var(--dm-accent);
    box-shadow: 0 0 0 3px rgba(var(--dm-accent-rgb), 0.15);
}
.dm-search-input::placeholder { color: var(--dm-text-muted); }

/* ── Mobile search bar ─────────────────────────────────────────────────── */

.dm-mobile-search {
    background: var(--dm-header-bg);
    border-bottom: 1px solid var(--dm-card-border);
}

/* ── Icon button ───────────────────────────────────────────────────────── */

.dm-icon-btn {
    color: var(--dm-text-secondary);
    padding: 0.35rem;
    font-size: 1.1rem;
    line-height: 1;
    text-decoration: none;
    border-radius: var(--dm-radius);
    transition: color var(--dm-transition), background var(--dm-transition);
}
.dm-icon-btn:hover {
    color: var(--dm-text-primary);
    background: var(--dm-accent-soft);
}

/* ── Avatar ─────────────────────────────────────────────────────────────── */

.dm-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--dm-gradient);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--dm-transition);
}
.dm-avatar:hover { transform: scale(1.05); }
.dm-avatar-sm { width: 32px; height: 32px; font-size: 0.8rem; }

/* ── Theme toggle ──────────────────────────────────────────────────────── */

[data-bs-theme="dark"] .dm-theme-icon-sun { display: none; }
[data-bs-theme="dark"] .dm-theme-icon-moon { display: inline; }
[data-bs-theme="light"] .dm-theme-icon-sun { display: inline; }
[data-bs-theme="light"] .dm-theme-icon-moon { display: none; }

/* ── Offcanvas (mobile nav) ────────────────────────────────────────────── */

.dm-offcanvas {
    background: var(--dm-card-bg);
    border-left: 1px solid var(--dm-card-border);
    width: 280px;
}
.dm-offcanvas .offcanvas-header {
    border-bottom: 1px solid var(--dm-card-border);
}
.dm-mobile-link {
    display: flex;
    align-items: center;
    padding: 0.6rem 0.75rem;
    border-radius: var(--dm-radius);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dm-text-secondary);
    transition: background var(--dm-transition), color var(--dm-transition);
}
.dm-mobile-link:hover,
.dm-mobile-link.active {
    background: var(--dm-accent-soft);
    color: var(--dm-accent);
}

/* ── Main content ──────────────────────────────────────────────────────── */

.dm-public-main {
    min-height: calc(100vh - 62px - 280px);
    padding-bottom: 2rem;
}

/* ── Section spacing ───────────────────────────────────────────────────── */

.dm-section { padding-top: 3rem; padding-bottom: 3rem; }
.dm-section-sm { padding-top: 2rem; padding-bottom: 2rem; }
.dm-section-lg { padding-top: 4.5rem; padding-bottom: 4.5rem; }

/* ── Page header (public) ──────────────────────────────────────────────── */

.dm-public-page-header {
    padding: 2rem 0 1.5rem;
}
.dm-public-page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}
.dm-public-page-header p {
    color: var(--dm-text-secondary);
    margin-bottom: 0;
}

/* ── Footer ────────────────────────────────────────────────────────────── */

.dm-footer {
    background: var(--dm-card-bg);
    border-top: 1px solid var(--dm-card-border);
    margin-top: auto;
}
.dm-footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dm-text-primary);
    margin-bottom: 0.75rem;
}
.dm-footer-links { list-style: none; padding: 0; margin: 0; }
.dm-footer-links li { margin-bottom: 0.4rem; }
.dm-footer-links a {
    font-size: 0.875rem;
    color: var(--dm-text-secondary);
    text-decoration: none;
    transition: color var(--dm-transition);
}
.dm-footer-links a:hover { color: var(--dm-accent); }
.dm-footer-bottom {
    border-top: 1px solid var(--dm-card-border);
    padding: 1.25rem 0;
    color: var(--dm-text-muted);
}

/* ── Model card (reusable for explore/home) ────────────────────────────── */

.dm-model-card {
    background: var(--dm-card-bg);
    border: 1px solid var(--dm-card-border);
    border-radius: var(--dm-radius-lg);
    overflow: hidden;
    transition: transform var(--dm-transition), box-shadow var(--dm-transition);
}
.dm-model-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--dm-shadow-lg);
}
.dm-model-card-img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    background: var(--dm-input-bg);
}
.dm-model-card-body { padding: 0.875rem; }
.dm-model-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dm-text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.dm-model-card-meta {
    font-size: 0.8rem;
    color: var(--dm-text-secondary);
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 991.98px) {
    .dm-navbar .navbar-collapse { display: none !important; }
    .dm-public-page-header h1 { font-size: 1.4rem; }
    .dm-section { padding-top: 2rem; padding-bottom: 2rem; }
    .dm-section-lg { padding-top: 3rem; padding-bottom: 3rem; }
}
@media (max-width: 575.98px) {
    .dm-brand-text { display: none; }
    .dm-footer .row > [class*="col-"] { margin-bottom: 0.5rem; }
}

/* ── Utilities ─────────────────────────────────────────────────────────── */

.text-muted-dm { color: var(--dm-text-secondary) !important; }
.text-accent { color: var(--dm-accent) !important; }
.bg-accent-soft { background: var(--dm-accent-soft) !important; }

/* Sticky footer via flex body */
body { display: flex; flex-direction: column; min-height: 100vh; }
.dm-public-main { flex: 1; }