@font-face {
    font-family: 'Ravi';
    src: url('../assets/ravi.ttf') format('truetype');
}

:root {
    --primary-color: #6c5ce7;
    --primary-light: #a29bfe;
    --secondary-color: #2d3436;
    --accent-color: #e056fd;
    --text-color: #dfe6e9;
    --text-muted: #b2bec3;
    --background-dark: #1e272e;
    --background-card: #2d3436;
    --background-card-blur: #2d3436dd;
    --blur: blur(10px);
    --shadow-soft: 0 0px 0px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 0px 0px rgba(0, 0, 0, 0.3);
    --border-radius: 17px;
    --transition-speed: 0.3s;
}

.main-header {
    background: linear-gradient(135deg, var(--background-card), var(--background-dark));
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo-section .logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: var(--primary-light);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-section .logo i {
    font-size: 1.8rem;
    color: var(--primary-color);

}

.search-section {
    flex-grow: 1;
    max-width: 600px;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 0.5rem 1rem;
}

.search-form input {
    background: none;
    border: none;
    color: var(--text-color);
    width: 100%;
    padding: 0.5rem;
    font-family: 'Ravi', tahoma, arial;
}

.search-form input:focus {
    outline: none;
}

.search-form button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
}

.search-form button:hover {
    color: var(--primary-color);
}

.user-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.user-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-crown-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: linear-gradient(135deg, #ffd700, #ffa502);
    color: #2d3436;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--background-dark);

    display: none;
}

.user-crown-badge i {
    color: #2d3436;
}

.dropdown-menu {
    position: absolute;
    top: 120%;
    left: 0;
    background: var(--background-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    min-width: 220px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: top center;
    will-change: transform, opacity;
    overflow: hidden;
}

.user-menu.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-light);
}

.dropdown-menu i {
    width: 20px;
    text-align: center;
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

.premium-link {
    color: #ffd700 !important;
}

.premium-link:hover {
    background: rgba(255, 215, 0, 0.1) !important;
}

.logout-link {
    color: #ff6b6b !important;
}

.logout-link:hover {
    background: rgba(255, 107, 107, 0.1) !important;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-login {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

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

.btn-register:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}



* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: all var(--transition-speed) ease-in-out;
    font-family: 'Ravi';
}

body {
    font-family: 'Ravi', tahoma, arial;
    background: var(--background-dark);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 1.5rem;
    box-shadow: var(--shadow-medium);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

nav a {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
}

nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(0px);
}

nav a i {
    font-size: 1rem;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem;
    margin: 0 auto;
    max-width: 1400px;
}

.note-card, .single-note-view {
    background: var(--background-card);
    padding: 1.8rem;
    padding-bottom: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    animation: fadeIn 0.3s ease-out;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.single-note-view {
    width: 40%;
    margin-right: 30%;
}

.note-card:hover {
    transform: translateY(0px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.note-card h3 {
    color: var(--primary-light);
    margin-bottom: 1rem;
}

/* Course Title Styles */
.note-card p.course-title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(108, 92, 231, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    color: var(--primary-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(108, 92, 231, 0.2);
    transition: all 0.3s ease;
    margin: 0;
    max-width: calc(100% - 2rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.note-description {
    margin-bottom: 20px;
    height: 3rem;
}
.note-card p.course-title::before {
    content: '📚';
    font-size: 1.1em;
}

.note-card:hover p.course-title {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--primary-color);
}

/* Enhanced Download Button Style */
.download-btn {
    background: rgba(255, 255, 255, 0.05);
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    padding-left: 1.3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-family: 'Ravi', tahoma, arial;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    width: 60%;
    margin-right: 20%;
    margin-bottom: 0.5rem;
}

.download-btn::before {
    content: '📥';
    margin-left: 0.5rem;
    font-size: 1.1em;
    animation: bounce 2s ease-in-out infinite;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s linear infinite;
}

.download-btn:hover {
    transform: translateY(0px);
    box-shadow: 0 3px 10px rgba(108, 92, 231, 0.3);
}

.download-btn:active {
    transform: translateY(0);
}





button {
    background: rgba(255, 255, 255, 0.05);
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    padding-left: 1.3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-family: 'Ravi', tahoma, arial;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}



@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2px);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}



/* Course and Download Button Layout */
.note-card .card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
    width: 100%;
    flex-wrap: wrap;
}

.note-card p.course-title {
    margin-bottom: 0; /* حذف حاشیه پایین قبلی */
    flex-shrink: 0; /* جلوگیری از فشرده شدن عنوان درس */
}

.note-card .download-btn,
.note-card button:disabled {
    flex-shrink: 0; /* جلوگیری از فشرده شدن دکمه */
    white-space: nowrap;
}



.auth-form {
    max-width: 450px;
    margin: 3rem auto;
    padding: 2.5rem;
    background: var(--background-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-family: 'Ravi', tahoma, arial;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    background: rgba(255, 255, 255, 0.1);
}

.error {
    color: #ff7675;
    background: rgba(255, 118, 117, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    margin: 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

table th {
    background: var(--primary-color);
    color: white;
    padding: 1.2rem;
    font-weight: 500;
}

table td {
    padding: 1rem;
    background: var(--background-card);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

table tr:hover td {
    background: rgba(108, 92, 231, 0.1);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.premium-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #ffd700, #ffa502);
    color: #2d3436;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.3rem;


    display: none;
}

.premium-badge i {
    color: #2d3436;
    font-size: 0.8rem;
}

/* Admin Dashboard Styles */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--background-card) 0%, rgba(45, 52, 54, 0.95) 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
}

.admin-logo {
    padding: 0 2rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.admin-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-tabs {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 0 1.5rem;
}

.admin-tab-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-weight: 500;
}

.admin-tab-btn::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.2s ease;
    border-radius: 0 2px 2px 0;
}

.admin-tab-btn i {
    font-size: 1.3rem;
    width: 24px;
    text-align: center;
    transition: transform 0.3s ease;
}

.admin-tab-btn:hover {
    background: rgba(108, 92, 231, 0.1);
    color: var(--text-color);
}

.admin-tab-btn:hover i {
    transform: scale(1.1);
    color: var(--primary-light);
}

.admin-tab-btn.active {
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary-light);
    font-weight: 600;
}

.admin-tab-btn.active::before {
    transform: scaleY(1);
}

.admin-tab-btn.active i {
    color: var(--primary-light);
    transform: scale(1.1);
}

.admin-main {
    margin-left: 280px;
    padding: 2rem;
    width: calc(100% - 280px);
    background: linear-gradient(180deg, rgba(30, 39, 46, 0.8) 0%, rgba(30, 39, 46, 1) 100%);
    min-height: 100vh;
    padding-right: 400px;
}

/* Enhanced Admin Main Content Styles */
.admin-main .page-title {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(108, 92, 231, 0.2);
}

.admin-main .section {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.admin-main .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.admin-main .section-title {
    font-size: 1.4rem;
    color: var(--primary-light);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.admin-main .section-title i {
    font-size: 1.6rem;
}

.admin-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.admin-filter {
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.admin-filter:hover,
.admin-filter.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.admin-item-card {
    background: rgba(45, 52, 54, 0.5);
    border-radius: var (--border-radius);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.admin-item-card:hover {
    transform: translateY(-0px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.admin-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.admin-item-title {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.admin-item-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(46, 213, 115, 0.2);
    color: #2ed573;
}

.badge-warning {
    background: rgba(255, 171, 0, 0.2);
    color: #ffab00;
}

.badge-danger {
    background: rgba(255, 71, 87, 0.2);
    color: #ff4757;
}

.admin-item-content {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.admin-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-table {
    background: rgba(45, 52, 54, 0.5);
    border-radius: var(--border-radius);
    overflow: hidden;
    width: 100%;
}

.admin-table th {
    text-align: right;
    font-weight: 500;
    padding: 1.2rem;
    background: rgba(108, 92, 231, 0.1);
}

.admin-table td {
    padding: 1rem 1.2rem;
}

.admin-table tbody tr {
    transition: background 0.3s ease;
}

.admin-table tbody tr:hover {
    background: rgba(108, 92, 231, 0.05);
}

.admin-action-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-family: 'Ravi', tahoma, arial;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-edit {
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary-light);
}

.btn-delete {
    background: rgba(255, 71, 87, 0.1);
    color: #ff4757;
}

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

.btn-delete:hover {
    background: #ff4757;
    color: white;
}

.admin-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.admin-pagination-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(108, 92, 231, 0.1);
    color: var(--text-color);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.admin-pagination-btn:hover,
.admin-pagination-btn.active {
    background: var(--primary-color);
    color: white;
}

.admin-main .section {
    margin-bottom: 3rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    background: var(--background-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.admin-button {
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Ravi', tahoma, arial;
}

.admin-button:hover {
    background: var(--accent-color);
}

.admin-card {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}


.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.2);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.stat-info h3 {
    font-size: 2rem;
    margin: 0;
}

.stat-info span {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Enhanced Dashboard Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
    margin: 2rem 0;
}

.stat-card {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0.1;
    z-index: 0;
}

.stat-card:hover {
    transform: translateY(-0px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-light);
    background: rgba(108, 92, 231, 0.1);
    padding: 1rem;
    border-radius: 50%;
    z-index: 1;
    transition: all 0.3s ease;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
}

.stat-card:hover i {
    transform: scale(1.1) rotate(10deg);
    color: var(--accent-color);
}

.stat-card .stat-info {
    z-index: 1;
    flex-grow: 1;
}

.stat-card .stat-info h3 {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.stat-card .stat-info p {
    color: var (--text-color);
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Dashboard Section Title */
.admin-main h2 {
    color: var(--text-color);
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(108, 92, 231, 0.2);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-main h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 2px;
}




/* Add smooth scrolling for the sticky header */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    /* Height of sticky header */
}

/* Admin Form Styles */
.admin-main form {
    background: var(--background-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 3rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.admin-main h2 {
    color: var(--primary-light);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-main h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 2px;
}

.admin-main .form-group {
    margin-bottom: 2rem;
}

.admin-main .form-group label {
    display: block;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

.admin-main .form-group input[type="text"],
.admin-main .form-group select,
.admin-main .form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var (--border-radius);
    color: var(--text-color);
    font-family: 'Ravi', tahoma, arial;
    font-size: 1rem;
}

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

.admin-main .form-group input[type="file"] {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    width: 100%;
    cursor: pointer;
}

.admin-main .form-group input[type="checkbox"] {
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.admin-main .form-group input[type="checkbox"]+label {
    display: inline;
    vertical-align: middle;
}

.admin-main button[type="submit"] {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: 'Ravi', tahoma, arial;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-main button[type="submit"]:hover {
    background: var(--accent-color);
}

/* Admin Table Enhanced Styles */
.admin-main table {
    width: 100%;
    border-spacing: 0;
    border-collapse: separate;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--background-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.admin-main table th {
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary-light);
    font-weight: 500;
    padding: 1.2rem;
    text-align: right;
    border-bottom: 2px solid rgba(108, 92, 231, 0.2);
}

.admin-main table td {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var (--text-color);
}

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

.admin-main table a {
    color: #ff4757;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    background: rgba(255, 71, 87, 0.1);
    transition: all 0.3s ease;
}

.admin-main table a:hover {
    background: #ff4757;
    color: white;
}

.admin-main table tr:hover td {
    background: rgba(108, 92, 231, 0.05);
}





/* Premium Button Styles */
button:disabled {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-family: 'Ravi', tahoma, arial;
    cursor: not-allowed;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

button:disabled::before {
    content: '🔒';
    margin-left: 0.5rem;
    font-size: 1.1em;
    animation: wiggle 2s ease-in-out infinite;
}

button:disabled::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s linear infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-10deg);
    }
    75% {
        transform: rotate(10deg);
    }
}

button:disabled:hover {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px rgba(108, 92, 231, 0.1);
}

/* Enhanced Authentication Form Styles */
.auth-form {
    max-width: 480px;
    margin: 4rem auto;
    padding: 2.5rem;
    background: linear-gradient(145deg, var(--background-card), rgba(45, 52, 54, 0.95));
    border-radius: var(--border-radius);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: slideUp 0.5s ease-out;
}

.auth-form h2 {
    color: var(--primary-light);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.auth-form h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.auth-form input {
    width: 100%;
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-family: 'Ravi', tahoma, arial;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.1);
}

.auth-form input::placeholder {
    color: var(--text-muted);
}

.auth-form button[type="submit"] {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Ravi', tahoma, arial;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.auth-form button[type="submit"]::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s linear infinite;
}

.auth-form button[type="submit"]:hover {
    box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
}

.auth-form button[type="submit"]:active {
}

.auth-form p {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-muted);
}

.auth-form a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.auth-form .error {
    background: rgba(255, 71, 87, 0.1);
    color: #ff4757;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 71, 87, 0.2);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    animation: shake 0.5s ease-in-out;
}

.auth-form .error::before {
    content: '⚠️';
    font-size: 1.2rem;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}



/* Search Modal Styles */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    background: var(--background-card);
    border-radius: var(--border-radius);
    margin-top: 2rem;
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.search-modal.active .search-modal-content {
    transform: translateY(0);
    opacity: 1;
}

.search-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.search-header h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 500;
}

.search-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 1;
}

.search-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.search-modal .search-form {
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    background: none;
    border: none;
}

.search-modal .search-form input {
    flex: 1;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-modal .search-form input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.1);
}

.search-modal .search-form button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-modal .search-form button:hover {
    background: var(--accent-color);
}

.search-modal .search-form button i {
    font-size: 1.2rem;
}

/* Search Page Styles */
.search-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.search-header {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    width: fit-content;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.main-search-form {
    display: flex;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.main-search-form input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    font-family: 'Ravi', tahoma, arial;
}

.main-search-form input:focus {
    outline: none;
}

.main-search-form button {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.main-search-form button:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.search-results h2 {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 500;
}

.no-results, .search-prompt {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.no-results i, .search-prompt i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.no-results p, .search-prompt p {
    font-size: 1.2rem;
}


.save-btn {
    position: absolute;
    top: 15px;
    left: 15px;
    border: none;
    background: rgba(45, 52, 54, 0.8);
    backdrop-filter: blur(4px);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.save-btn i {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.save-btn:hover {
    background: rgba(255, 215, 0, 0.15);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.2);
}

.save-btn:hover i {
    color: #ffd700;
    transform: scale(1.1);
}

.save-btn.active {
    background: rgba(255, 215, 0, 0.15);
}

.save-btn.active i {
    color: #ffd700;
    animation: saveAnimation 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}





.like-btn {
    position: absolute;
    top: 15px;
    left: 65px;
    border: none;
    background: rgba(45, 52, 54, 0.8);
    backdrop-filter: blur(4px);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.like-btn i {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.like-btn:hover {
    background: rgba(255, 0, 0, 0.15);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.2);
}

.like-btn:hover i {
    color: #ff0000;
    transform: scale(1.1);
}

.like-btn.active {
    background: rgba(255, 0, 0, 0.15);
}

.like-btn.active i {
    color: #ff0000;
    animation: saveAnimation 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.like-btn .like-count {
    color: #000;
    position: absolute;
}
.like-btn.active .like-count {
    color: #fff;
    position: absolute;
}




.save-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    animation: tooltipAnimation 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.save-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
}

@keyframes saveAnimation {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.4);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes tooltipAnimation {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
    20% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    80% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

.save-btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background: none !important;
    display: none;
}

.save-btn:disabled i {
    color: var(--text-muted) !important;
    transform: none !important;
}

/* اضافه کردن افکت موج */
.save-btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.2);
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.save-btn.active::after {
    animation: rippleEffect 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes rippleEffect {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}




/* My Notes Page Styles */
.my-notes-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3rem;
    background: var(--background-card);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.my-notes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.my-notes-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    color: var(--primary-light);
}

.my-notes-title i {
    color: var(--primary-color);
    font-size: 2rem;
}

.my-notes-filters {
    display: flex;
    gap: 1rem;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.my-notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.5s ease-out;
}

.my-note-card {
    background: var(--background-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.my-note-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.note-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.note-content {
    padding: 1.5rem;
}

.note-subject {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(108, 92, 231, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    color: var(--primary-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.note-title {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.note-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.note-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.note-actions {
    display: flex;
    gap: 0.8rem;
}

.note-action-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.note-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    transform: translateY(-2px);
}

.remove-btn:hover {
    background: rgba(255, 71, 87, 0.1);
    color: #ff4757;
    border-color: #ff4757;
}

.empty-notes {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--background-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    align-self: center;
    position: absolute;
    width: 50%;
    left: 25%;
    top: 200px;
    animation: fadeIn 0.3s ease-out;
}

.empty-notes i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    opacity: 0.5;
}

.empty-notes h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.empty-notes p {
    margin-bottom: 2rem;
}

.browse-notes-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.browse-notes-btn:hover {
    background: var(--accent-color);
}

.browse-notes-btn i {
    font-size: 2rem;
    margin-bottom: 0rem;
    color: var(--text-color);
    opacity: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* Edit Note Page Styles */
.edit-note-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--background-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.edit-note-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(108, 92, 231, 0.2);
}

.edit-note-header h2 {
    color: var(--primary-light);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.edit-note-header h2 i {
    color: var(--primary-color);
    font-size: 2rem;
}

.edit-note-form .form-group {
    margin-bottom: 2rem;
}

.edit-note-form .form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-weight: 500;
}

.edit-note-form .form-group input[type="text"],
.edit-note-form .form-group select,
.edit-note-form .form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-family: 'Ravi', tahoma, arial;
    transition: all 0.3s ease;
}

.edit-note-form .form-group input[type="text"]:focus,
.edit-note-form .form-group select:focus,
.edit-note-form .form-group textarea:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.1);
}

.edit-note-form .form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.edit-note-form .form-group.file-group {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 2px dashed rgba(255, 255, 255, 0.1);
}

.edit-note-form .file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    margin-top: 1rem;
}

.edit-note-form .file-info i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.edit-note-form .file-details {
    flex-grow: 1;
}

.edit-note-form .file-name {
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.edit-note-form .file-size {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.edit-note-form .remove-file {
    background: rgba(255, 71, 87, 0.1);
    color: #ff4757;
    border: none;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.edit-note-form .remove-file:hover {
    background: #ff4757;
    color: white;
}

main h2 {
    /* font-size: 1.8rem; */
    color: var(--text-color);
    /* margin-bottom: 2rem;
    padding: 0 2rem; */
    position: relative;
    display: flex;
    align-items: center;
    /* gap: 1rem; */
    /* max-width: 1400px; */
    /* margin: 0 auto;
    margin-top: 2rem; */
}


.subjects-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
    padding: 0 2rem;
    max-width: 1400px;
    margin: 0 auto;
    margin-bottom: 2rem;
    margin-top: 30px;
}

/* حذف کردن استایل‌های مربوط به اسکرول */
.subjects-filter::before,
.subjects-filter::after {
    display: none;
}

main {
    padding-top: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding-bottom: 150px;
    width: 100%;
}

/* حذف این استایل‌ها چون دیگه نیاز نیست */
.subjects-filter::-webkit-scrollbar {
    display: none;
}

.subjects-filter.dragging {
    cursor: default;
}

.subject-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    font-family: 'Ravi', tahoma, arial;
}

.subject-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.subject-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.subject-btn i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.subject-btn:hover i {
    transform: scale(1.1);
}

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Ravi', tahoma, arial;
}

.page-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    transform: translateY(-2px);
}

.page-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.page-btn i {
    font-size: 0.9rem;
}

/* Add smooth scroll animation for subject filter */
.subjects-filter {
    position: relative;
}

.subjects-filter::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50px;
    background: linear-gradient(to left, var(--background-dark), transparent);
    pointer-events: none;
}

.subjects-filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 50px;
    background: linear-gradient(to right, var(--background-dark), transparent);
    pointer-events: none;
    z-index: 1;
}

.subject-count {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.subject-btn:hover .subject-count {
    background: rgba(255, 255, 255, 0.15);
}

.subject-btn.active .subject-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 1.2rem 0;
    position: relative;
}

.remember-me input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.remember-me label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
    transition: color 0.3s ease;
}

.remember-me label::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.remember-me label::after {
    content: '✓';
    position: absolute;
    right: 6px;
    color: white;
    font-size: 12px;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.remember-me input[type="checkbox"]:checked + label::before {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.remember-me input[type="checkbox"]:checked + label::after {
    opacity: 1;
    transform: scale(1);
}

.remember-me input[type="checkbox"]:focus + label::before {
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.2);
}

.remember-me label:hover::before {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.remember-me:hover label {
    color: var(--text-color);
}

.note-uploader {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 5px;
}

.uploader-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-left: 8px;
    object-fit: cover;
}

.uploader-name {
    font-size: 0.9em;
    color: #666;
}



/* Enhanced Note Uploader Styles */
.note-uploader {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.note-card:hover .note-uploader {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.uploader-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(108, 92, 231, 0.2);
    transition: all 0.3s ease;
}

.note-uploader:hover .uploader-avatar {
    transform: scale(1.1);
    border-color: var(--accent-color);
}

.uploader-name {
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.uploader-name::before {
    content: '';
    font-size: 1rem;
    color: var(--primary-light);
    opacity: 0.8;
}

.note-uploader:hover .uploader-name {
    color: var(--primary-light);
}

.logo-svg {
    width: 32px;
    height: 32px;
    margin-left: 8px;
    vertical-align: middle;
}

.logo {
    display: flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
    font-weight: bold;
}

.logo img {
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.1);
}




/* Premium Button Styles */
.download-btn.premium-prompt {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-family: 'Ravi', tahoma, arial;
    cursor: not-allowed;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.download-btn.premium-prompt::before {
    content: '🔒';
    margin-left: 0.5rem;
    font-size: 1.1em;
    animation: wiggle 2s ease-in-out infinite;
}

.download-btn.premium-prompt::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s linear infinite;
}




.note-metadata{
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 0px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}



.note-card:hover .note-metadata {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.professor-info {
    width: 100%;
}

.note-metadata {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0.5rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.subject-info {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
}

.professor-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.professor-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    margin-right: 8px;
    margin-left: 8px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.major-info {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
}

.professor-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.note-uploader {
    margin-bottom: 0.5rem;
}











/* From Uiverse.io by vinodjangid07 */
.navigation-card {
  width: fit-content;
  margin: 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  background-color: var(--background-card-blur);
  backdrop-filter: var(--blur);
  padding: 15px 20px;
  border-radius: 50px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: fixed;
  bottom: 0px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}
.tab {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 15px;
  border-radius: 50%;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  color: var(--text-muted);
}
.tab:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
}
.tab.profile {
    padding: 0;
}
.tab.profile img {

    border: 0;
}
.tab.active {
    background-color: var(--primary-color);
    color: white;
}

.tab.active:hover {
    background-color: var(--accent-color);
}

.navigation-card .tab i {
    font-size: 1.2rem;
}

.navigation-card .tab.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}


.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* YouTube Link Styles */
.link {
    display: inline-flex;
    align-items: center;
    /* gap: 0.5rem; */
    /* background: rgba(255, 0, 0, 0.1); */
    /* color: #FF0000; */
    /* padding: 0.5rem 1rem; */
    /* border-radius: var(--border-radius); */
    text-decoration: none;
    transition: all 0.3s ease;
}

.link:hover {
    /* background: rgba(255, 0, 0, 0.2);
    transform: translateY(-2px); */
    text-decoration: none !important;
}

.link i {
    font-size: 1rem;
    margin: 10px;
}

.post-content p {
    white-space: pre-line;
}

.post-content p button {
    white-space: normal;
    display: inline;
}

.post-content p br {
    display: none !important;
}