/* ===================================================================
   NewsForge -- Digital Publishing CMS
   Clean editorial / newspaper theme with serif headings.
   =================================================================== */

/* -- Reset & Base ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --color-ink: #1a1a2e;
    --color-ink-light: #4a4a5a;
    --color-ink-muted: #8888a0;
    --color-paper: #fafaf8;
    --color-paper-warm: #f5f3ef;
    --color-white: #ffffff;
    --color-border: #e2e0dc;
    --color-border-light: #eeece8;

    --color-accent: #c0392b;
    --color-accent-dark: #962d22;
    --color-accent-light: #e74c3c;
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-info: #2980b9;
    --color-danger: #e74c3c;

    --color-draft: #95a5a6;
    --color-review: #f39c12;
    --color-published: #27ae60;
    --color-archived: #8e44ad;

    --sidebar-width: 260px;
    --radius: 6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: 0.2s ease;
}

html { font-size: 15px; }

body {
    font-family: var(--font-sans);
    background: var(--color-paper);
    color: var(--color-ink);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-dark); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-ink);
}

/* -- Layout ----------------------------------------------------------- */
#app {
    display: flex;
    min-height: 100vh;
}

/* -- Sidebar ---------------------------------------------------------- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-ink);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.8rem 1.5rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--color-white);
}

.logo span {
    color: var(--color-accent-light);
}

.logo-tagline {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.5);
    margin-top: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.nav-menu {
    list-style: none;
    padding: 0.8rem 0;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.7);
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.08);
}

.nav-link.active {
    color: var(--color-white);
    background: rgba(255,255,255,0.12);
    border-left-color: var(--color-accent-light);
}

.nav-icon {
    font-size: 1.15rem;
    width: 1.4rem;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.search-box input {
    width: 100%;
    padding: 0.55rem 0.9rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    color: var(--color-white);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
}

.search-box input::placeholder { color: rgba(255,255,255,0.4); }
.search-box input:focus {
    background: rgba(255,255,255,0.15);
    border-color: var(--color-accent-light);
}

/* -- Main Content ----------------------------------------------------- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem 2.5rem;
    min-height: 100vh;
}

.view-container { max-width: 1200px; margin: 0 auto; }

/* -- Page Header ------------------------------------------------------ */
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-ink);
}

.page-header h2 {
    font-size: 1.8rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.page-header .subtitle {
    font-family: var(--font-sans);
    color: var(--color-ink-muted);
    font-size: 0.92rem;
    margin-top: 0.3rem;
}

/* -- Cards ------------------------------------------------------------ */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--color-border-light);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

/* -- Stats Grid ------------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.3rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border-top: 3px solid var(--color-accent);
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-ink);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.4rem;
}

/* -- Status Badges ---------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: 3px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-draft { background: var(--color-draft); color: #fff; }
.badge-in_review, .badge-in-review { background: var(--color-review); color: #fff; }
.badge-published { background: var(--color-published); color: #fff; }
.badge-archived { background: var(--color-archived); color: #fff; }

/* -- Article List ----------------------------------------------------- */
.article-list { display: flex; flex-direction: column; gap: 1rem; }

.article-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.2rem 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
}

.article-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.article-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.82rem;
    color: var(--color-ink-muted);
    margin-top: 0.4rem;
}

.article-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 0.2rem;
}

.article-excerpt {
    font-size: 0.88rem;
    color: var(--color-ink-light);
    line-height: 1.5;
}

.article-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    min-width: 120px;
}

/* -- SEO Score Indicator ---------------------------------------------- */
.seo-score {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
}

.seo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.seo-good .seo-dot { background: var(--color-success); }
.seo-ok .seo-dot { background: var(--color-warning); }
.seo-poor .seo-dot { background: var(--color-danger); }

.seo-bar {
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.3rem;
}

.seo-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease;
}

.seo-bar-fill.good { background: var(--color-success); }
.seo-bar-fill.ok { background: var(--color-warning); }
.seo-bar-fill.poor { background: var(--color-danger); }

/* -- Editor ----------------------------------------------------------- */
.editor-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
}

.editor-main { display: flex; flex-direction: column; gap: 1rem; }

.editor-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-ink-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    color: var(--color-ink);
    background: var(--color-white);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

.form-group textarea.body-editor {
    min-height: 300px;
    font-size: 0.95rem;
}

/* -- Buttons ---------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
}
.btn-primary:hover { background: var(--color-accent-dark); color: var(--color-white); }

.btn-success {
    background: var(--color-success);
    color: var(--color-white);
}
.btn-success:hover { background: #219a52; color: var(--color-white); }

.btn-warning {
    background: var(--color-warning);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-paper-warm);
    color: var(--color-ink);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-border); color: var(--color-ink); }

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }

.btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* -- Filters ---------------------------------------------------------- */
.filters-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filters-bar select,
.filters-bar input {
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.88rem;
    background: var(--color-white);
}

/* -- Category Tree ---------------------------------------------------- */
.category-tree { list-style: none; }

.category-item {
    padding: 0.9rem 1.2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    background: var(--color-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.category-item:hover { border-color: var(--color-accent); }

.category-info h4 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
}

.category-info p {
    font-size: 0.82rem;
    color: var(--color-ink-muted);
    margin-top: 0.15rem;
}

.category-count {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--color-accent);
}

/* -- Dashboard Sections ----------------------------------------------- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.recent-list { list-style: none; }

.recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.recent-item:last-child { border-bottom: none; }

.recent-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--color-ink);
}

.recent-date {
    font-size: 0.78rem;
    color: var(--color-ink-muted);
}

.top-author-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.top-author-item:last-child { border-bottom: none; }

/* -- Search Results --------------------------------------------------- */
.search-results {
    margin-top: 1rem;
}

.search-result-item {
    padding: 1rem 1.2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 0.6rem;
    background: var(--color-white);
}

.search-result-item h4 {
    font-family: var(--font-serif);
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.search-result-item p {
    font-size: 0.85rem;
    color: var(--color-ink-light);
}

/* -- SEO Detail Panel ------------------------------------------------- */
.seo-panel {
    background: var(--color-paper-warm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.2rem;
}

.seo-panel h4 {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.seo-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.45rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--color-border-light);
}

.seo-detail-row:last-child { border-bottom: none; }

.seo-detail-label { color: var(--color-ink-light); }
.seo-detail-value { font-weight: 600; }

/* -- Notifications ---------------------------------------------------- */
.toast {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.8rem 1.3rem;
    background: var(--color-ink);
    color: var(--color-white);
    border-radius: var(--radius);
    font-size: 0.88rem;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-danger); }

/* -- Empty State ------------------------------------------------------ */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--color-ink-muted);
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* -- Loading ---------------------------------------------------------- */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--color-ink-muted);
    font-style: italic;
}

/* -- Responsive ------------------------------------------------------- */
@media (max-width: 900px) {
    .sidebar { width: 220px; }
    :root { --sidebar-width: 220px; }
    .main-content { padding: 1.5rem; }
    .editor-layout { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .sidebar {
        width: 100%;
        position: relative;
        flex-direction: row;
        overflow-x: auto;
    }
    :root { --sidebar-width: 0px; }
    .main-content { margin-left: 0; padding: 1rem; }
    .sidebar-header { display: none; }
    .sidebar-footer { display: none; }
    .nav-menu { display: flex; padding: 0; }
    .nav-link { padding: 0.8rem 1rem; white-space: nowrap; border-left: none; border-bottom: 3px solid transparent; }
    .nav-link.active { border-bottom-color: var(--color-accent-light); border-left-color: transparent; }
    #app { flex-direction: column; }
    .stats-grid { grid-template-columns: 1fr; }
}