/* ===========================================
   Perspektive - Clean Modern Theme
   =========================================== */

:root {
    --accent: #ea580c;
    --accent-light: #f97316;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.03);
    --radius: 8px;
}

[data-theme="dark"] {
    --accent: #fb923c;
    --accent-light: #fdba74;
    --gray-50: #18181b;
    --gray-100: #27272a;
    --gray-200: #3f3f46;
    --gray-300: #52525b;
    --gray-400: #71717a;
    --gray-500: #a1a1aa;
    --gray-600: #d4d4d8;
    --gray-700: #e4e4e7;
    --gray-800: #f4f4f5;
    --gray-900: #fafafa;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.2), 0 2px 4px rgba(0,0,0,0.15);
}

/* ===========================================
   Base
   =========================================== */

body {
    background: var(--gray-50);
}

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

a:hover {
    color: var(--accent-light);
}

/* ===========================================
   Header
   =========================================== */

.site-header {
    background: var(--pico-background-color);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
    margin-bottom: 0;
}

.site-header .container {
    padding-top: 0.875rem;
    padding-bottom: 0.875rem;
}

.site-header nav {
    margin: 0;
}

.brand {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--gray-900) !important;
    letter-spacing: -0.01em;
}

.brand:hover {
    color: var(--gray-700) !important;
}

.site-header nav ul {
    margin: 0;
    gap: 0.5rem;
}

.site-header nav a {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.site-header nav a:hover {
    color: var(--gray-900);
}

.theme-toggle {
    background: transparent !important;
    border: 1px solid var(--gray-200) !important;
    border-radius: 6px !important;
    padding: 0.4rem !important;
    cursor: pointer;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--gray-100) !important;
    border-color: var(--gray-300) !important;
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    fill: var(--gray-500);
}

/* ===========================================
   Main Content
   =========================================== */

main.container {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

/* ===========================================
   Homepage Intro
   =========================================== */

.intro {
    margin-bottom: 3.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.intro h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 1rem 0;
    letter-spacing: -0.03em;
}

.intro-lead {
    font-size: 1.25rem;
    color: var(--gray-700);
    line-height: 1.5;
    margin: 0 0 1rem 0;
}

.intro-text {
    color: var(--gray-500);
    line-height: 1.7;
    margin: 0;
    max-width: 600px;
}

.recent-posts {
    margin-bottom: 2rem;
}

.recent-posts h2 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 1.5rem 0;
}

.empty-text {
    color: var(--gray-400);
}

/* ===========================================
   Post Cards
   =========================================== */

.posts-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.post-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.post-item:first-child {
    padding-top: 0;
}

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

.post-item h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}

.post-item h2 a {
    color: var(--gray-900);
}

.post-item h2 a:hover {
    color: var(--accent);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.post-summary {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ===========================================
   Tags
   =========================================== */

.tags {
    display: flex;
    gap: 0.375rem;
}

.tag {
    font-size: 0.75rem;
    color: var(--accent);
    background: transparent;
    padding: 0;
}

.tag::before {
    content: "#";
}

/* ===========================================
   Single Post
   =========================================== */

.post-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.post-header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 1rem 0;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.post-header .post-meta {
    margin: 0;
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--gray-700);
}

.post-content h2 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 2.5rem 0 1rem 0;
    letter-spacing: -0.01em;
}

.post-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 2rem 0 0.75rem 0;
}

.post-content p {
    margin: 0 0 1.25rem 0;
}

.post-content ul, .post-content ol {
    margin: 0 0 1.25rem 0;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content blockquote {
    border-left: 2px solid var(--gray-300);
    margin: 1.5rem 0;
    padding: 0 0 0 1.25rem;
    color: var(--gray-500);
    font-style: italic;
}

.post-content pre {
    background: var(--gray-900) !important;
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    font-size: 0.875rem;
}

.post-content code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9em;
}

.post-content p code {
    background: var(--gray-100);
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--gray-700);
}

.post-content a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.post-footer a {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.post-footer a:hover {
    color: var(--gray-900);
}

/* ===========================================
   Admin
   =========================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--pico-background-color);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th {
    text-align: left;
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.admin-table tr:hover td {
    background: var(--gray-50);
}

.admin-table a {
    color: var(--gray-900);
}

.admin-table .actions {
    display: flex;
    gap: 1rem;
}

.admin-table .actions a {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.admin-table .actions a:hover {
    color: var(--accent);
}

.badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-published {
    background: #dcfce7;
    color: #166534;
}

.badge-draft {
    background: var(--gray-100);
    color: var(--gray-600);
}

[data-theme="dark"] .badge-published {
    background: #166534;
    color: #dcfce7;
}

[data-theme="dark"] .badge-draft {
    background: var(--gray-200);
    color: var(--gray-600);
}

/* Form */
.post-form textarea {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    min-height: 400px;
    background: var(--pico-background-color);
}

/* ===========================================
   Empty State
   =========================================== */

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-500);
}

.empty-state p {
    margin-bottom: 1rem;
}

/* ===========================================
   Footer
   =========================================== */

.site-footer {
    margin-top: 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--gray-200);
    background: var(--pico-background-color);
}

.site-footer p {
    margin: 0;
    color: var(--gray-400);
    font-size: 0.85rem;
    text-align: center;
}

/* ===========================================
   Login
   =========================================== */

.login-container {
    max-width: 360px;
    margin: 0 auto;
}

.login-card {
    background: var(--pico-background-color);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
}

.login-header p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin: 0;
}

/* ===========================================
   Utilities
   =========================================== */

.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }

/* ===========================================
   Responsive
   =========================================== */

@media (max-width: 768px) {
    main.container {
        padding-top: 2rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .post-header h1 {
        font-size: 1.5rem;
    }

    .post-content {
        font-size: 1rem;
    }

    .stat-value {
        font-size: 1.75rem;
    }
}