:root {
    --vn-bg: #0f172a;
    --vn-bg-2: #111827;
    --vn-soft: #f8fafc;
    --vn-dark: #111827;
    --vn-muted: #64748b;
    --vn-accent: #2563eb;
    --vn-accent-dark: #1d4ed8;
    --vn-border: #e5e7eb;
    --vn-radius: 22px;

    --vn-nav-bg: rgba(15, 23, 42, 0.94);
    --vn-nav-border: rgba(255,255,255,0.08);
    --vn-text-on-dark: #ffffff;

    --vn-brand-glow: rgba(239, 68, 68, 0.35);
    --vn-hero-accent-1: rgba(239, 68, 68, 0.16);
    --vn-hero-accent-2: rgba(59, 130, 246, 0.10);
    --vn-eyebrow: #fca5a5;

    --vn-card-bg: #ffffff;
    --vn-card-border: #eef2f7;
    --vn-thumb-bg-1: #334155;
    --vn-thumb-bg-2: #0f172a;

    --vn-badge-bg: #e2e8f0;
    --vn-badge-text: #334155;

    --vn-empty-icon-bg-1: #fee2e2;
    --vn-empty-icon-bg-2: #fecdd3;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--vn-soft);
    color: var(--vn-dark);
    margin: 0;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
}

.vidnook-nav {
    background: var(--vn-nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--vn-nav-border);
}

.vidnook-nav .nav-link,
.brand-text {
    color: var(--vn-text-on-dark);
}

.vidnook-nav .nav-link {
    opacity: 0.92;
    font-weight: 500;
}

.vidnook-nav .nav-link:hover {
    opacity: 1;
    color: var(--vn-text-on-dark);
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--vn-accent), var(--vn-accent-dark));
    color: #fff;
    box-shadow: 0 8px 20px var(--vn-brand-glow);
}

.brand-text {
    font-weight: 800;
    letter-spacing: 0.2px;
    font-size: 1.2rem;
}

.page-wrap {
    padding: 2.5rem 0 3rem;
}

.card,
.vn-card {
    background: var(--vn-card-bg);
    border: 1px solid var(--vn-card-border);
    border-radius: var(--vn-radius);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.form-control,
.form-select {
    min-height: 48px;
    font-size: 16px;
    border-radius: 12px;
    border-color: var(--vn-border);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--vn-accent);
    box-shadow: 0 0 0 .2rem rgba(239, 68, 68, .15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    font-size: 16px;
    line-height: 1.2;
    text-align: center;
    border-radius: 12px;
}

.btn-accent {
    background-color: var(--vn-accent);
    border-color: var(--vn-accent);
    color: #fff;
}

.btn-accent:hover,
.btn-accent:focus {
    background-color: var(--vn-accent-dark);
    border-color: var(--vn-accent-dark);
    color: #fff;
}

.btn-outline-accent {
    color: var(--vn-accent);
    border-color: var(--vn-accent);
    background-color: transparent;
}

.btn-outline-accent:hover,
.btn-outline-accent:focus {
    background-color: var(--vn-accent);
    border-color: var(--vn-accent);
    color: #fff;
}

.family-badge,
.vn-badge {
    display: inline-block;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: var(--vn-badge-bg);
    color: var(--vn-badge-text);
    font-size: 0.78rem;
    font-weight: 600;
}

.empty-state {
    background: var(--vn-card-bg);
    border: 1px solid var(--vn-card-border);
    border-radius: 28px;
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.empty-icon {
    width: 82px;
    height: 82px;
    margin: 0 auto 1rem;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--vn-empty-icon-bg-1), var(--vn-empty-icon-bg-2));
    color: var(--vn-accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

@media (max-width: 575.98px) {
    .page-wrap {
        padding: 2rem 0 2.5rem;
    }

    .form-control,
    .form-select {
        min-height: 54px;
        font-size: 16px;
    }

    .btn {
        min-height: 54px;
        font-size: 16px;
    }
}

body.view-b-shell {
    min-width: 320px;
    background:
        radial-gradient(circle at top, rgba(37, 99, 235, 0.14), transparent 32rem),
        linear-gradient(180deg, #f8fbff 0%, var(--vn-soft) 24rem);
}

.view-b-shell .container {
    width: 100%;
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

.view-b-shell .page-wrap {
    padding: 1.25rem 0 2.5rem;
}

.view-b-shell .card,
.view-b-shell .vn-card {
    border-radius: 20px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.07);
}

.view-b-shell .btn,
.view-b-shell .form-control,
.view-b-shell .form-select {
    min-height: 48px;
}

.view-b-shell .btn {
    font-weight: 600;
}

@media (min-width: 768px) {
    .view-b-shell .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (min-width: 1200px) {
    .view-b-shell .container {
        max-width: 1140px;
    }
}

/* Profile page refinements */
.profile-page .profile-page-header {
    max-width: 36rem;
}

.profile-page .profile-page-lead {
    line-height: 1.5;
}

.profile-page .profile-section-card {
    height: 100%;
    padding: 1.2rem;
    border: 1px solid rgba(25, 32, 56, 0.08);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}

.profile-page .profile-section-heading,
.profile-page .profile-subsection-heading {
    margin-bottom: 1rem;
}

.profile-page .profile-field-stack,
.profile-page .profile-preferences-grid {
    display: grid;
    gap: 1rem;
}

.profile-page .profile-field-group,
.profile-page .profile-preference-field {
    display: grid;
    gap: 0.5rem;
}

.profile-page .profile-inline-help,
.profile-page .profile-page-lead {
    color: var(--vn-muted);
}

.profile-page .profile-photo-group {
    display: grid;
    gap: 0.65rem;
}

.profile-page .profile-photo-row {
    align-items: flex-start !important;
    margin-bottom: 0.2rem !important;
}

.profile-page .profile-photo-input-wrap {
    display: grid;
    gap: 0.45rem;
}

.profile-page .profile-photo-input-wrap .mt-1,
.profile-page .profile-preference-field .mt-1,
.profile-page .profile-account-block .mt-1,
.profile-page .profile-field-group .mt-1 {
    margin-top: 0 !important;
}

.profile-page .profile-account-block {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1.1rem;
    border-top: 1px solid rgba(25, 32, 56, 0.08);
}

.profile-page .account-form-actions {
    margin-top: 1.65rem;
}

@media (min-width: 992px) {
    .profile-page .profile-page-row {
        --bs-gutter-x: 1.5rem;
        --bs-gutter-y: 1.5rem;
    }

    .profile-page .profile-page-header {
        margin-bottom: 1.75rem !important;
    }

    .profile-page .profile-page-col {
        display: flex;
    }

    .profile-page .profile-section-card {
        width: 100%;
        padding: 1.45rem 1.5rem;
    }

    .profile-page .profile-section-heading,
    .profile-page .profile-subsection-heading {
        margin-bottom: 1.1rem;
    }

    .profile-page .profile-field-stack,
    .profile-page .profile-preferences-grid {
        gap: 1.15rem;
    }

    .profile-page .profile-preferences-card {
        padding-bottom: 1.7rem;
    }

    .profile-page .profile-preferences-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 1.25rem;
        row-gap: 1.15rem;
    }

    .profile-page .profile-field-group,
    .profile-page .profile-preference-field {
        gap: 0.55rem;
    }

    .profile-page .profile-photo-row {
        gap: 1rem !important;
    }

    .profile-page .profile-photo-preview,
    .profile-page .profile-photo-placeholder {
        width: 88px;
        height: 88px;
        font-size: 1.8rem;
    }

    .profile-page .profile-account-block {
        margin-top: 1.55rem;
        padding-top: 1.3rem;
    }

    .profile-page .account-form-actions {
        margin-top: 1.85rem;
        gap: 0.9rem !important;
    }
}

@media (min-width: 1200px) {
    .profile-page .profile-page-row {
        --bs-gutter-x: 1.75rem;
    }

    .profile-page .profile-section-card {
        padding: 1.55rem 1.65rem;
    }

    .profile-page .profile-preferences-card {
        padding-bottom: 1.85rem;
    }

    .profile-page .account-form-actions {
        margin-top: 2rem;
    }
}