/* ===== CSS Variables ===== */
:root {
    --bg-primary: #f8f5f0;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #2c2416;
    --text-secondary: #5c5346;
    --accent: #8b5a2b;
    --accent-hover: #6d4520;
    --accent-light: #d4a574;
    --border: #e8e0d5;
    --shadow: rgba(44, 36, 22, 0.08);
    --shadow-hover: rgba(44, 36, 22, 0.15);
    --nav-bg: rgba(248, 245, 240, 0.95);
    --hero-overlay: rgba(44, 36, 22, 0.55);
    --success: #2d6a4f;
    --danger: #9b2226;
    --radius: 12px;
    --transition: 0.3s ease;
    --font-fa: 'Vazirmatn', 'Tahoma', sans-serif;
    --font-ru: 'Inter', 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
    --bg-primary: #1a1612;
    --bg-secondary: #241f19;
    --bg-card: #2a241c;
    --text-primary: #f0e9df;
    --text-secondary: #b8a99a;
    --accent: #c9956c;
    --accent-hover: #e0b088;
    --accent-light: #8b5a2b;
    --border: #3d342a;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    --nav-bg: rgba(26, 22, 18, 0.95);
    --hero-overlay: rgba(0, 0, 0, 0.65);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-fa);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background var(--transition), color var(--transition);
    min-height: 100vh;
}

body[dir="ltr"] {
    font-family: var(--font-ru);
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; }

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    list-style: none;
}

.nav-links a {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    background: rgba(139, 90, 43, 0.08);
}

[data-theme="dark"] .nav-links a:hover,
[data-theme="dark"] .nav-links a.active {
    background: rgba(201, 149, 108, 0.12);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    font-size: 1.1rem;
}

.btn-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.lang-switch {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.lang-switch a {
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

.lang-switch a.active {
    background: var(--accent);
    color: #fff;
}

.mobile-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.3rem;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(var(--hero-overlay), var(--hero-overlay)),
                url('../images/hero-wood.jpg') center/cover no-repeat;
    background-color: #3d2b1f;
    color: #fff;
    padding: 4rem 1.5rem;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 90, 43, 0.35);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.7);
    color: #fff;
}

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

.btn-success {
    background: #25D366;
    color: #fff;
}

.btn-success:hover {
    background: #1da851;
    color: #fff;
}

.btn-telegram {
    background: #0088cc;
    color: #fff;
}

.btn-telegram:hover {
    background: #006699;
    color: #fff;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
}

/* ===== Sections ===== */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* ===== Works Grid ===== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.work-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px var(--shadow);
    transition: all var(--transition);
}

.work-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px var(--shadow-hover);
}

.work-card-img {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: linear-gradient(135deg, #d4a574, #8b5a2b);
    position: relative;
}

.work-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-card:hover .work-card-img img {
    transform: scale(1.06);
}

.work-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 3rem;
}

.work-card-body {
    padding: 1.4rem;
}

.work-card-body h3 {
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.work-card-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.work-card-body .btn {
    width: 100%;
    justify-content: center;
}

/* ===== Work Detail ===== */
.work-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.work-detail-img {
    border-radius: var(--radius);
    overflow: hidden;
    background: linear-gradient(135deg, #d4a574, #8b5a2b);
    aspect-ratio: 1;
    box-shadow: 0 10px 40px var(--shadow);
}

.work-detail-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-detail-img .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 5rem;
}

.work-detail-info h1 {
    margin-bottom: 1rem;
}

.work-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 1.5rem 0;
    padding: 1.2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.work-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.work-meta-item span:first-child {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.work-meta-item span:last-child {
    font-weight: 600;
}

.work-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.contact-box h3 {
    margin-bottom: 0.5rem;
}

.contact-box p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

.contact-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

/* ===== About Pages ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.resume-list {
    list-style: none;
    margin-top: 2rem;
}

.resume-list li {
    position: relative;
    padding: 1rem 0 1rem 1.8rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.7;
}

.resume-list li::before {
    content: '✦';
    position: absolute;
    right: auto;
    left: 0;
    color: var(--accent);
    font-size: 0.9rem;
}

[dir="rtl"] .resume-list li {
    padding: 1rem 1.8rem 1rem 0;
}

[dir="rtl"] .resume-list li::before {
    left: auto;
    right: 0;
}

/* ===== Admin ===== */
.admin-wrapper {
    min-height: 100vh;
    display: flex;
}

.admin-sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    padding: 1.5rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

[dir="ltr"] .admin-sidebar {
    border-left: none;
    border-right: 1px solid var(--border);
}

.admin-sidebar h2 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.admin-nav {
    list-style: none;
}

.admin-nav a {
    display: block;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(139, 90, 43, 0.1);
    color: var(--accent);
}

.admin-main {
    flex: 1;
    padding: 2rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: start;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table img {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: 6px;
}

.form-group {
    margin-bottom: 1.3rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: 0 10px 40px var(--shadow);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.login-box p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.alert {
    padding: 0.9rem 1.2rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-success {
    background: rgba(45, 106, 79, 0.15);
    color: var(--success);
    border: 1px solid rgba(45, 106, 79, 0.3);
}

.alert-error {
    background: rgba(155, 34, 38, 0.15);
    color: var(--danger);
    border: 1px solid rgba(155, 34, 38, 0.3);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
    margin-top: 3rem;
    text-align: center;
}

.site-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Utilities ===== */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .work-detail {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .admin-wrapper {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border: none;
        border-bottom: 1px solid var(--border);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px var(--shadow);
    }
    
    .nav-links.open {
        display: flex;
    }
    
    .nav-links a {
        width: 100%;
        text-align: center;
    }
    
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        min-height: 55vh;
    }
}