@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: 100;
  src: url("../fonts/woff/YekanBakhFaNum-thin.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-thin.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-Thin.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-Thin.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: 300;
  src: url("../fonts/woff/YekanBakhFaNum-Light.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-Light.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-Light.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-Light.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: normal;
  src: url("../fonts/woff/YekanBakhFaNum-Regular.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-Regular.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-Regular.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-Regular.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: 600;
  src: url("../fonts/woff/YekanBakhFaNum-SemiBold.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-SemiBold.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-SemiBold.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-SemiBold.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: bold;
  src: url("../fonts/woff/YekanBakhFaNum-Bold.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-Bold.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-Bold.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-Bold.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: 800;
  src: url("../fonts/woff/YekanBakhFaNum-ExtraBold.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-ExtraBold.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-ExtraBold.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-ExtraBold.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: 900;
  src: url("../fonts/woff/YekanBakhFaNum-Black.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-Black.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-Black.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-Black.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: 950;
  src: url("../fonts/woff/YekanBakhFaNum-ExtraBlack.woff") format("woff"),
    url("../fonts/woff2/YekanBakhFaNum-ExtraBlack.woff2") format("woff2"),
    url("../fonts/ttf/YekanBakhFaNum-ExtraBlack.ttf") format("truetype"),
    url("../fonts/otf/YekanBakhFaNum-ExtraBlack.otf") format("opentype");
}

@font-face {
  font-family: YekanBakhFaNum;
  font-style: normal;
  font-weight: normal;
  src: url("../fonts/ttf/YekanBakhFaNum-VF.ttf") format("truetype");
}

@font-face {
	font-family: IRANYekanXFaNum;
	font-style: normal;
	font-weight: normal;
	src: url("../fonts/woff/IRANYekanXFaNum-Regular.woff") format("woff"),   
	url("../fonts/woff2/IRANYekanXFaNum-Regular.woff2") format("woff2"),
  url("../fonts/ttf/IRANYekanXFaNum-Regular.ttf") format("truetype");
}

@font-face {
	font-family: IRANYekanXFaNum;
	font-style: normal;
	font-weight: bold;
	src: url("../fonts/woff/IRANYekanXFaNum-Bold.woff") format("woff"),   
	url("../fonts/woff2/IRANYekanXFaNum-Bold.woff2") format("woff2"),
  url("../fonts/ttf/IRANYekanXFaNum-Bold.ttf") format("truetype"); 
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 100;
	src: url("../fonts/woff2/PeydaWebFaNum-Thin.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-Thin.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-Thin.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 200;
	src: url("../fonts/woff2/PeydaWebFaNum-ExtraLight.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-ExtraLight.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-ExtraLight.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 300;
	src: url("../fonts/woff2/PeydaWebFaNum-Light.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-Light.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-Light.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 500;
	src: url("../fonts/woff2/PeydaWebFaNum-Medium.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-Medium.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-Medium.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 600;
	src: url("../fonts/woff2/PeydaWebFaNum-SemiBold.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-SemiBold.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-SemiBold.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 800;
	src: url("../fonts/woff2/PeydaWebFaNum-ExtraBold.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-ExtraBold.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-ExtraBold.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: 900;
	src: url("../fonts/woff2/PeydaWebFaNum-Black.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-Black.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-Black.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: bold;
	src: url("../fonts/woff2/PeydaWebFaNum-Bold.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-Bold.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-Bold.ttf") format("truetype");
}

@font-face {
	font-family: PeydaWebFaNum;
	font-style: normal;
	font-weight: normal;
	src: url("../fonts/woff2/PeydaWebFaNum-Regular.woff2") format("woff2"),
		url("../fonts/woff/PeydaWebFaNum-Regular.woff") format("woff"),
		url("../fonts/ttf/PeydaFaNum-Regular.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 10;
	src: url("../fonts/woff2/DanaFaNum-Hairline.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Hairline.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Hairline.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 100;
	src: url("../fonts/woff2/DanaFaNum-Thin.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Thin.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Thin.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 200;
	src: url("../fonts/woff2/DanaFaNum-UltraLight.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-UltraLight.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-UltraLight.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 300;
	src: url("../fonts/woff2/DanaFaNum-Light.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Light.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Light.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 500;
	src: url("../fonts/woff2/DanaFaNum-Medium.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Medium.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Medium.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 600;
	src: url("../fonts/woff2/DanaFaNum-DemiBold.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-DemiBold.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-DemiBold.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 800;
	src: url("../fonts/woff2/DanaFaNum-ExtraBold.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-ExtraBold.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-ExtraBold.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 900;
	src: url("../fonts/woff2/DanaFaNum-Black.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Black.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Black.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 930;
	src: url("../fonts/woff2/DanaFaNum-ExtraBlack.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-ExtraBlack.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-ExtraBlack.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 960;
	src: url("../fonts/woff2/DanaFaNum-Heavy.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Heavy.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Heavy.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: 990;
	src: url("../fonts/woff2/DanaFaNum-Fat.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Fat.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Fat.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: bold;
	src: url("../fonts/woff2/DanaFaNum-Bold.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Bold.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Bold.ttf") format("truetype");
}

@font-face {
	font-family: Dana;
	font-style: normal;
	font-weight: normal;
	src: url("../fonts/woff2/DanaFaNum-Regular.woff2") format("woff2"),
		 url("../fonts/woff/DanaFaNum-Regular.woff") format("woff"),
         url("../fonts/ttf/DanaFaNum-Regular.ttf") format("truetype");
}

@font-face {
  font-family: Dana;
  font-style: normal;
  font-weight: normal;
  src: url("../fonts/ttf/DanaVF.ttf") format("truetype");
}

/* متغیرهای اصلی */
:root {
    --bg-color: #0b0f19;
    --surface-color: #151a28;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
    --border-color: #2e364f;
}

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

body {
    font-family: 'YekanBakhFaNum', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* انیمیشن‌ها */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-up { animation: fadeInUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* هدر و نوبار */
header {
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    margin-right: 2rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--text-primary);
}

.hero { padding: 8rem 5% 5rem; text-align: center; margin: 0 auto; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 900; line-height: 1.2; margin-bottom: 1.5rem; }
.hero h1 .highlight { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--text-secondary); max-width: 700px; margin: 0 auto 3rem; font-weight: 300; }
.cta-btn { display: inline-block; padding: 1rem 3rem; font-size: 1.1rem; font-weight: 700; background: var(--text-primary); color: var(--bg-color); border-radius: 50px; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2); }

.description-section { padding: 5rem 5%; background-color: var(--surface-color); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.desc-container { max-width: 800px; margin: 0 auto; }
.desc-title { font-size: 2rem; margin-bottom: 1.5rem; color: var(--text-primary); font-weight: 800; }
.desc-text { font-size: 1.15rem; color: var(--text-secondary); text-align: justify; margin-bottom: 1.5rem; }

.archive-grid { padding: 6rem 5%; max-width: 1200px; margin: 0 auto; }
.grid-header { margin-bottom: 3rem; }
.grid-header h2 { font-size: 2.5rem; font-weight: 800; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card { background: var(--surface-color); padding: 2.5rem; border-radius: 20px; border: 1px solid var(--border-color); transition: all 0.4s ease; position: relative; overflow: hidden; }
.card::before { content: ''; position: absolute; top: 0; right: 0; width: 100%; height: 4px; background: var(--accent-gradient); transform: scaleX(0); transform-origin: right; transition: transform 0.4s ease; }
.card:hover { transform: translateY(-10px); border-color: rgba(255,255,255,0.2); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.card:hover::before { transform: scaleX(1); }
.card h3 { font-size: 1.5rem; margin-bottom: 1rem; font-weight: 700; }
.card p { color: var(--text-secondary); font-size: 0.95rem; }
.card .meta { margin-top: 2rem; display: flex; justify-content: space-between; font-size: 0.85rem; color: #ec4899; font-weight: 600; }

/* ========================================= */
/* استایل‌های اختصاصی صفحه دسته‌بندی‌ها (جدید) */
/* ========================================= */

.page-title-section {
    padding: 6rem 5% 3rem;
    text-align: center;
}

.page-title-section h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.page-title-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.categories-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 5% 6rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cat-parent-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.cat-parent-card:hover {
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.cat-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cat-icon svg {
    width: 24px;
    height: 24px;
}

.cat-title-wrap {
    flex-grow: 1;
}

.cat-title-wrap h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.cat-title-wrap span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cat-link {
    padding: 0.5rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cat-link:hover {
    background: var(--text-primary);
    color: var(--bg-color);
}

/* زیرمجموعه‌ها (ساب‌کتگوری‌ها) */
.subcategories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.sub-item {
    background: rgba(11, 15, 25, 0.5);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.sub-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.6;
}

.sub-item:hover {
    background: var(--accent-gradient);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
}

.sub-item:hover svg {
    opacity: 1;
}

/* فوتر */
footer {
    text-align: center;
    padding: 3rem 5%;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

@media (max-width: 768px) {
    header { flex-direction: column; gap: 1rem; }
    nav a { margin: 0 1rem; }
    .cat-header { flex-direction: column; text-align: center; }
    .cat-link { width: 100%; text-align: center; }
}


.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem 5%;
}

.teacher-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.teacher-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-color);
}

.teacher-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    overflow: hidden;
}

.teacher-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.teacher-card .dept {
    font-size: 0.85rem;
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 1rem;
}

.teacher-card p {
    font-size: 0.9rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.profile-btn {
    display: block;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}

.profile-btn:hover {
    background: var(--primary-color);
}
/* --- Search Header --- */
.search-header {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.8), var(--bg-color));
}

.search-header h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: #fff;
}

.search-header p {
    color: #94a3b8;
    margin-bottom: 2.5rem;
}

.search-box-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 5px;
    transition: all 0.3s ease;
}

.search-form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 15px 25px;
    color: #fff;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
}

.search-submit-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 0 30px;
    border-radius: 40px;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.search-submit-btn:hover {
    background: var(--secondary-color);
}

/* --- Search Results --- */
.search-results-container {
    padding: 2rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.results-title {
    color: #fff;
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.highlight {
    color: var(--primary-color);
}

/* --- File Cards --- */
.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.file-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: 0.3s;
}

.file-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.file-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.file-icon[data-type="pdf"] { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.file-icon[data-type="mp3"] { background: rgba(16, 185, 129, 0.2); color: #10b981; }
.file-icon[data-type="zip"] { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }

.file-info h4 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.file-desc {
    color: #94a3b8;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.file-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.meta-tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
}

.download-btn {
    display: block;
    text-align: center;
    padding: 10px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 10px;
    transition: 0.3s;
    font-weight: bold;
    font-size: 0.9rem;
}

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

/* --- Empty State --- */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: 20px;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}
mark {
    background: rgba(255, 215, 0, 0.3); /* طلایی شفاف */
    color: #fff;
    padding: 0 2px;
    border-radius: 4px;
    border-bottom: 2px solid var(--primary-color);
}
/* =========================================
   Admin Upload Page Styles
========================================= */

.admin-upload-section {
    padding: 60px 20px;
    min-height: calc(100vh - 100px); /* با توجه به ارتفاع هدر خودتان تنظیم کنید */
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.upload-card {
    background: rgba(20, 25, 40, 0.6); /* رنگ پس‌زمینه شیشه‌ای تیره */
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 40px;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.upload-header {
    text-align: center;
    margin-bottom: 35px;
}

.upload-header h1 {
    color: #60a5fa; /* آبی روشن */
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: bold;
}

.upload-header p {
    color: #9ca3af;
    font-size: 14px;
}

/* استایل پیام‌های موفقیت و خطا */
.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-top: 20px;
    font-size: 14px;
    font-weight: bold;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* منطقه دراگ اند دراپ */
.upload-zone {
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.upload-zone:hover {
    border-color: #3b82f6; /* تغییر رنگ حاشیه هنگام هاور */
    background: rgba(59, 130, 246, 0.05);
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.upload-zone .upload-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.upload-zone .upload-title {
    color: #ffffff;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 5px;
}

.upload-zone .upload-subtitle {
    color: #6b7280;
    font-size: 13px;
}

/* گرید فرم‌ها */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    color: #d1d5db;
    font-size: 14px;
    margin-bottom: 8px;
}

/* استایل اینپوت‌ها، سلکت‌ها و تکست‌اریا */
.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 14px 16px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group select option {
    background: #1f2937;
    color: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #6b7280;
}

/* دکمه سابمیت */
.submit-btn {
    width: 100%;
    background: #2563eb;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    padding: 16px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-family: inherit;
    margin-top: 10px;
}

.submit-btn:hover {
    background: #1d4ed8;
}

/* ریسپانسیو برای موبایل */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width {
        grid-column: span 1;
    }
    .upload-card {
        padding: 25px 20px;
    }
}
/* =========================================
   Dynamic Meta Tags (Key-Value) Styles
========================================= */
.meta-tags-section {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.meta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.meta-header label {
    color: #d1d5db;
    font-size: 14px;
    margin: 0;
}

.add-meta-btn {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-meta-btn:hover {
    background: rgba(34, 197, 94, 0.3);
}

.meta-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    align-items: center;
}

.meta-row:last-child {
    margin-bottom: 0;
}

.meta-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
}

.meta-input:focus {
    outline: none;
    border-color: #3b82f6;
    background: rgba(255, 255, 255, 0.08);
}

.remove-meta-btn {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    line-height: 1;
}

.remove-meta-btn:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* ریسپانسیو برای موبایل */
@media (max-width: 768px) {
    .meta-row {
        flex-direction: column;
        background: rgba(255,255,255,0.02);
        padding: 10px;
        border-radius: 8px;
        position: relative;
    }
    
    .remove-meta-btn {
        position: absolute;
        top: 10px;
        left: 10px;
        width: 30px;
        height: 30px;
        font-size: 18px;
    }
}
/* =========================================
   Admin Toolbar Styles (CSS خالص)
   ========================================= */
.admin-toolbar {
    background: linear-gradient(to left, #450a0a, #000000); /* گرادیانت قرمز تیره به مشکی */
    color: #ffffff;
    padding: 10px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    direction: rtl; /* راست‌چین کردن پنل */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 9999; /* قرارگیری بالاتر از تمام المان‌های سایت */
}

.admin-toolbar-right, 
.admin-toolbar-left {
    display: flex;
    align-items: center;
    gap: 16px; /* فاصله بین آیتم‌ها */
}

/* استایل بج (نشان) ادمین */
.admin-badge {
    background-color: #dc2626; /* قرمز روشن */
    color: white;
    padding: 3px 12px;
    border-radius: 50px; /* کاملا گرد */
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 1px;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.3);
}

.admin-welcome {
    color: #e5e7eb;
    font-weight: 500;
}

/* استایل لینک‌های پنل ادمین */
.admin-link {
    color: #e5e7eb;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
}

.admin-link:hover {
    color: #60a5fa; /* آبی روشن در حالت هاور */
    background-color: rgba(255, 255, 255, 0.05);
}

.admin-link.admin-logout {
    color: #9ca3af; /* رنگ خاکستری برای دکمه خروج */
}

.admin-link.admin-logout:hover {
    color: #f87171; /* قرمز شدن دکمه خروج در حالت هاور */
    background-color: rgba(239, 68, 68, 0.1);
}

/* واکنش‌گرایی برای موبایل */
@media (max-width: 640px) {
    .admin-toolbar {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
        text-align: center;
    }
    .admin-toolbar-right, 
    .admin-toolbar-left {
        justify-content: center;
        flex-wrap: wrap;
    }
}
/* کانتینر اصلی داشبورد */
.admin-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: 'Vazir', sans-serif;
    color: #fff;
    direction: rtl;
}

.dashboard-header {
    margin-bottom: 30px;
}

.dashboard-header h1 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 5px;
}

.dashboard-header p {
    color: #9ca3af;
}

/* شبکه کارت‌های آمار */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #151515;
    border: 1px solid #222;
    padding: 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: #444;
}

.stat-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #1a1a1a;
}

.red-glow { box-shadow: inset 0 0 15px rgba(220, 38, 38, 0.2); border: 1px solid rgba(220, 38, 38, 0.3); }
.blue-glow { box-shadow: inset 0 0 15px rgba(59, 130, 246, 0.2); border: 1px solid rgba(59, 130, 246, 0.3); }
.green-glow { box-shadow: inset 0 0 15px rgba(16, 185, 129, 0.2); border: 1px solid rgba(16, 185, 129, 0.3); }

.stat-label { display: block; color: #9ca3af; font-size: 0.9rem; }
.stat-value { font-size: 1.5rem; font-weight: bold; color: #fff; }

/* محتوای اصلی */
.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.content-card {
    background: #151515;
    border: 1px solid #222;
    border-radius: 15px;
    padding: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #222;
}

.card-header h3 { font-size: 1.1rem; }
.view-all { color: #60a5fa; text-decoration: none; font-size: 0.85rem; }

/* جدول اختصاصی ادمین */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
}

.admin-table th { color: #9ca3af; padding: 12px; font-weight: 500; font-size: 0.9rem; }
.admin-table td { padding: 15px 12px; border-bottom: 1px solid #1a1a1a; color: #e5e7eb; }

.ext-badge {
    background: #222;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    filter: grayscale(1);
    transition: 0.2s;
}

.btn-icon:hover { filter: grayscale(0) scale(1.2); }

/* دکمه‌های دسترسی سریع */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: #1a1a1a;
    border: 1px solid #222;
    border-radius: 10px;
    color: #e5e7eb;
    text-decoration: none;
    transition: 0.3s;
}

.action-btn:hover {
    background: #252525;
    border-color: #dc2626;
    transform: translateX(-5px);
}

@media (max-width: 992px) {
    .dashboard-content { grid-template-columns: 1fr; }
}

.teachers-container {
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: 4rem;
}