/*
 * PlainAdmin-derived shell styles for the YouTube Dashboard.
 * Source inspiration: https://github.com/PlainAdmin/plain-free-bootstrap-admin-template
 * License: MIT. See /vendor/plainadmin/LICENSE.
 */

:root {
    --pa-body-bg: #f3f6fb;
    --pa-sidebar-bg: #ffffff;
    --pa-surface: #ffffff;
    --pa-surface-2: #f8faff;
    --pa-border: #dfe6f1;
    --pa-shadow: 0 12px 24px -4px rgba(145, 158, 171, 0.18), 0 0 2px rgba(145, 158, 171, 0.3);
    --pa-text: #1a2142;
    --pa-muted: #5d657b;
    --pa-accent: #365cf5;
    --pa-accent-soft: rgba(54, 92, 245, 0.12);
    --pa-danger: #d50100;
    --pa-success: #219653;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--pa-muted);
    background:
        radial-gradient(circle at top right, rgba(54, 92, 245, 0.08), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, var(--pa-body-bg) 100%);
}

* {
    box-sizing: border-box;
}

a {
    color: inherit;
}

button,
input,
select {
    font: inherit;
}

#app {
    min-height: 100vh;
}

.app-shell {
    min-height: 100vh;
}

.sidebar-nav-wrapper {
    position: fixed;
    inset: 0 auto 0 0;
    width: 280px;
    background: var(--pa-sidebar-bg);
    border-right: 1px solid var(--pa-border);
    box-shadow: var(--pa-shadow);
    z-index: 40;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease;
}

.sidebar-nav-wrapper__inner {
    display: flex;
    min-height: 100%;
    flex-direction: column;
    padding: 24px 18px;
    gap: 24px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.navbar-logo__mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #365cf5 0%, #6f8dff 100%);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.navbar-logo__copy {
    display: grid;
    gap: 4px;
}

.navbar-logo__title {
    color: var(--pa-text);
    font-size: 1.05rem;
    font-weight: 700;
}

.navbar-logo__subtitle {
    font-size: 0.88rem;
    color: var(--pa-muted);
}

.sidebar-nav {
    flex: 1 1 auto;
}

.sidebar-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.sidebar-nav .nav-item {
    display: block;
}

.sidebar-nav .nav-link {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid transparent;
    border-radius: 14px;
    padding: 14px 16px;
    color: var(--pa-muted);
    text-decoration: none;
    background: transparent;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.is-active {
    border-color: rgba(54, 92, 245, 0.15);
    background: var(--pa-accent-soft);
    color: var(--pa-accent);
}

.sidebar-nav .nav-link__icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(26, 33, 66, 0.06);
    color: currentColor;
    flex: 0 0 auto;
}

.sidebar-nav .nav-link.is-active .nav-link__icon,
.sidebar-nav .nav-link:hover .nav-link__icon {
    background: rgba(54, 92, 245, 0.16);
}

.sidebar-nav .nav-link__copy {
    display: grid;
    gap: 2px;
}

.sidebar-nav .nav-link__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pa-text);
}

.sidebar-nav .nav-link__meta {
    font-size: 0.82rem;
    color: var(--pa-muted);
}

.sidebar-nav .nav-link.is-active .nav-link__title,
.sidebar-nav .nav-link:hover .nav-link__title,
.sidebar-nav .nav-link.is-active .nav-link__meta,
.sidebar-nav .nav-link:hover .nav-link__meta {
    color: inherit;
}

.sidebar-footer {
    border-top: 1px solid var(--pa-border);
    padding-top: 18px;
    display: grid;
    gap: 10px;
}

.sidebar-footer__label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #8f97aa;
}

.sidebar-footer__copy {
    font-size: 0.92rem;
    line-height: 1.5;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 33, 66, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 30;
}

.overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.main-wrapper {
    min-height: 100vh;
    padding-left: 280px;
    transition: padding-left 0.25s ease;
}

.main-wrapper.active {
    padding-left: 96px;
}

.sidebar-nav-wrapper.sidebar-collapsed {
    width: 96px;
}

.sidebar-nav-wrapper.sidebar-collapsed .navbar-logo__copy,
.sidebar-nav-wrapper.sidebar-collapsed .nav-link__copy,
.sidebar-nav-wrapper.sidebar-collapsed .sidebar-footer {
    display: none;
}

.sidebar-nav-wrapper.sidebar-collapsed .sidebar-nav .nav-link {
    justify-content: center;
    padding-inline: 0;
}

.header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(243, 246, 251, 0.82);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(223, 230, 241, 0.9);
}

.header.header-shadow {
    box-shadow: 0 8px 24px rgba(145, 158, 171, 0.16);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 28px;
}

.header__left,
.header__right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    border: 1px solid rgba(54, 92, 245, 0.14);
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--pa-text);
    font-size: 0.92rem;
}

.header__badge strong {
    color: var(--pa-accent);
}

.menu-toggle-btn {
    display: inline-flex;
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 10px 16px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.primary-btn {
    background: var(--pa-accent);
    color: #fff;
}

.primary-btn:hover {
    background: #2949cd;
    color: #fff;
}

.light-btn {
    background: #fff;
    border-color: var(--pa-border);
    color: var(--pa-text);
}

.light-btn:hover {
    border-color: rgba(54, 92, 245, 0.26);
    color: var(--pa-accent);
}

.page-shell {
    padding: 28px;
    display: grid;
    gap: 24px;
}

.title-wrapper {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.title-wrapper__copy {
    display: grid;
    gap: 8px;
}

.title-wrapper__eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pa-accent);
}

.title-wrapper__title {
    margin: 0;
    color: var(--pa-text);
    font-size: clamp(2rem, 2.4vw, 2.6rem);
    line-height: 1.1;
}

.title-wrapper__description {
    margin: 0;
    max-width: 60ch;
    font-size: 1rem;
}

.breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
}

.breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb li:not(:last-child)::after {
    content: "/";
    color: #9ba4bb;
}

.breadcrumb a {
    color: var(--pa-muted);
    text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb .is-current {
    color: var(--pa-accent);
}

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

@media (max-width: 1200px) {
    .sidebar-nav-wrapper {
        transform: translateX(-100%);
    }

    .sidebar-nav-wrapper.active {
        transform: translateX(0);
    }

    .main-wrapper,
    .main-wrapper.active {
        padding-left: 0;
    }
}

@media (max-width: 720px) {
    .header__inner,
    .page-shell {
        padding-inline: 16px;
    }

    .header__inner {
        align-items: start;
        flex-direction: column;
    }

    .header__left,
    .header__right {
        width: 100%;
        flex-wrap: wrap;
    }

    .title-wrapper {
        align-items: start;
        flex-direction: column;
    }
}