@font-face {
    font-family: 'IRANSans';
    src: url('../fonts/IRANSansXFaNum-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg: #f5f7fb;
    --bg-secondary: #eef2f8;
    --surface: rgba(255, 255, 255, 0.68);
    --surface-solid: #ffffff;
    --surface-soft: rgba(255, 255, 255, 0.5);
    --text: #0f172a;
    --muted: #64748b;
    --line: rgba(15, 23, 42, 0.08);
    --line-strong: rgba(15, 23, 42, 0.14);
    --primary: #2563eb;
    --primary-2: #4f46e5;
    --primary-soft: rgba(37, 99, 235, 0.12);
    --success-bg: rgba(16, 185, 129, 0.12);
    --success-text: #047857;
    --success-dot: #10b981;
    --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.10);
    --radius-xl: 32px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --blur: blur(20px);
}

body.dark {
    --bg: #07111f;
    --bg-secondary: #0b1628;
    --surface: rgba(10, 18, 32, 0.62);
    --surface-solid: #0c1729;
    --surface-soft: rgba(255, 255, 255, 0.03);
    --text: #e5eefc;
    --muted: #94a3b8;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --primary: #60a5fa;
    --primary-2: #818cf8;
    --primary-soft: rgba(96, 165, 250, 0.12);
    --success-bg: rgba(16, 185, 129, 0.14);
    --success-text: #6ee7b7;
    --success-dot: #34d399;
    --shadow-xl: 0 25px 80px rgba(0, 0, 0, 0.42);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'IRANSans', sans-serif;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 85% 15%, rgba(79, 70, 229, 0.18), transparent 22%),
        radial-gradient(circle at 10% 80%, rgba(37, 99, 235, 0.16), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 28px;
    transition: background 0.35s ease, color 0.35s ease;
    overflow-x: hidden;
    position: relative;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: auto;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
}

body::before {
    top: -120px;
    right: -80px;
    background: rgba(79, 70, 229, 0.20);
}

body::after {
    bottom: -160px;
    left: -120px;
    background: rgba(37, 99, 235, 0.18);
}

.shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1440px;
}

/* ===== هدر بالا ===== */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    gap: 16px;
}

.mini-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
}

.mini-brand img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--surface-solid);
    padding: 6px;
    border: 1px solid var(--line);
    object-fit: contain;
}

.theme-toggle {
    border: 1px solid var(--line);
    background: var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    color: var(--text);
    height: 46px;
    min-width: 46px;
    border-radius: 14px;
    padding: 0 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    transition: all 0.25s ease;
    font-family: inherit;
    font-size: 13px;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--line-strong);
}

/* ===== کارت اصلی ===== */
.main-card {
    position: relative;
    background: var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 240px 1fr;
    transition: background 0.35s ease, border-color 0.35s ease;
    min-height: 70vh;
}

.main-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.16), transparent 28%, transparent 72%, rgba(255,255,255,0.06)),
        linear-gradient(180deg, rgba(255,255,255,0.08), transparent 20%);
    pointer-events: none;
}

/* ===== سایدبار ===== */
.sidebar {
    position: relative;
    padding: 28px 20px;
    border-left: 1px solid var(--line);
    background: var(--surface-soft);
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar .logo-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.sidebar .logo-box {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.6));
    border: 1px solid rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

body.dark .sidebar .logo-box {
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    border: 1px solid rgba(255,255,255,0.10);
}

.sidebar .logo-box img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.sidebar .brand-name {
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
}

.sidebar .nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar .nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.sidebar .nav li a:hover {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--line);
}

.sidebar .nav li a.active {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--line-strong);
}

.sidebar .nav li a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar .nav li a.danger {
    color: #ef4444;
}

.sidebar .nav li a.danger:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.2);
}

/* ===== محتوای اصلی ===== */
.content {
    position: relative;
    padding: 40px 40px 32px;
    z-index: 1;
    overflow-y: auto;
}

.content h2 {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: 18px;
}

.content .lead {
    color: var(--muted);
    margin-bottom: 28px;
}

/* ===== فرم‌ها و جداول ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--surface-solid);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    transition: border 0.2s;
}

body.dark .form-control {
    background: rgba(255,255,255,0.04);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.form-control-color {
    height: 48px;
    padding: 4px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 24px;
    height: 48px;
    border-radius: 14px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 800;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.24);
}

.btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.03);
}

.btn-success {
    background: #10b981;
    color: #fff;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.24);
}

.btn-success:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.btn-danger {
    background: #ef4444;
    color: #fff;
}

.btn-danger:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.btn-secondary {
    background: var(--surface-solid);
    border-color: var(--line);
}

body.dark .btn-secondary {
    background: rgba(255,255,255,0.04);
}

.btn-secondary:hover {
    border-color: var(--line-strong);
}

.btn-sm {
    height: 36px;
    padding: 0 16px;
    font-size: 12px;
}

.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th {
    text-align: right;
    padding: 14px 12px;
    background: var(--surface-soft);
    border-bottom: 2px solid var(--line);
    font-weight: 800;
    color: var(--muted);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

.table img {
    max-width: 80px;
    height: auto;
    border-radius: 10px;
}

.alert {
    padding: 14px 20px;
    border-radius: 16px;
    margin-bottom: 20px;
    font-weight: 700;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

body.dark .alert-danger {
    color: #fca5a5;
}

/* ===== کارت‌های بنر ===== */
.banner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.banner-card {
    background: var(--surface-solid);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: transform 0.2s;
}

.banner-card:hover {
    transform: translateY(-4px);
}

.banner-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.banner-card .body {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ===== فوتر ===== */
.footer {
    margin-top: 18px;
    text-align: center;
    color: var(--muted);
    font-size: 12px;
}

/* ===== واکنش‌گرایی ===== */
@media (max-width: 980px) {
    .main-card {
        grid-template-columns: 1fr;
    }
    .sidebar {
        border-left: none;
        border-bottom: 1px solid var(--line);
        padding: 18px 20px;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }
    .sidebar .logo-row {
        width: 100%;
        margin-bottom: 12px;
        border-bottom: none;
        padding-bottom: 0;
    }
    .sidebar .nav {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .sidebar .nav li a {
        padding: 8px 14px;
        font-size: 13px;
    }
    .content {
        padding: 28px 20px;
    }
}

@media (max-width: 640px) {
    body {
        padding: 12px;
    }
    .main-card {
        border-radius: 24px;
    }
    .content {
        padding: 20px 14px;
    }
    .topbar .mini-brand span {
        display: none;
    }
    .theme-toggle span {
        display: none;
    }
    .theme-toggle {
        width: 46px;
        padding: 0;
    }
    .sidebar .nav li a {
        padding: 6px 12px;
        font-size: 12px;
    }
    .sidebar .nav li a i {
        font-size: 14px;
    }
}

/* ===== آیکن‌های داخلی بدون وابستگی به CDN ===== */
.fas { font-style: normal; display: inline-flex; width: 1.25em; min-width: 1.25em; align-items: center; justify-content: center; }
.fa-home::before { content: "⌂"; }
.fa-star::before { content: "★"; }
.fa-newspaper::before { content: "▤"; }
.fa-list-ul::before { content: "☰"; }
.fa-plus-circle::before { content: "+"; }
.fa-images::before { content: "▧"; }
.fa-rss::before { content: "◔"; }
.fa-cog::before { content: "⚙"; }
.fa-clipboard-list::before { content: "☷"; }
.fa-sign-out-alt::before { content: "↩"; }
.fa-moon::before { content: "◐"; }