/* Document Portal - Modern CSS Styles */

:root {
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    
    --sidebar-width: 260px;
    --top-nav-height: 70px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    background: #f0f4f8;
    padding: 0;
    margin: 0;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    position: relative;
}

/* Login Page Header */
.login-page-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-icon-box {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.login-icon-box i {
    font-size: 32px;
    color: white;
    display: block;
}

.login-main-title {
    font-size: 32px;
    font-weight: 700;
    color: #6366f1;
    margin: 0 0 6px 0;
    letter-spacing: -0.5px;
}

.login-college {
    font-size: 14px;
    color: #64748b;
    margin: 0;
    font-weight: 500;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 480px;
    margin-bottom: 24px;
}

.login-box {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

/* Secure Access Header */
.secure-access-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.secure-line {
    flex: 1;
    height: 1px;
    background: #6366f1;
    opacity: 0.3;
}

.secure-text {
    color: #6366f1;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* Modern Form Styles */
.login-form {
    margin-top: 0;
}

.form-group-modern {
    margin-bottom: 18px;
}

.form-group-modern label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1e293b;
    font-size: 14px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: #94a3b8;
    font-size: 16px;
    z-index: 1;
}

.form-group-modern input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 1.5px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    background: white;
    color: #1e293b;
}

.form-group-modern input::placeholder {
    color: #94a3b8;
}

.form-group-modern input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group-modern input:focus ~ .input-icon,
.input-wrapper:focus-within .input-icon {
    color: #6366f1;
}

/* Gradient Login Button */
.btn-login-gradient {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #6366f1 0%, #3b82f6 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 6px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-login-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-login-gradient i {
    font-size: 14px;
}

/* Security Message */
.security-message {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 18px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 3px solid #6366f1;
}

.security-message i {
    color: #6366f1;
    font-size: 14px;
    margin-top: 2px;
    flex-shrink: 0;
}

.security-message p {
    margin: 0;
    font-size: 12px;
    color: #64748b;
    line-height: 1.5;
}

/* Login Page Footer */
.login-page-footer {
    text-align: center;
    margin-top: auto;
    padding-top: 16px;
}

.login-page-footer p {
    font-size: 12px;
    color: #94a3b8;
    margin: 0;
}

/* Legacy form styles for other pages */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--secondary-color);
}

.form-group input,
.form-control,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
    background: var(--card-bg);
    color: var(--text-primary);
}

.form-group input:focus,
.form-control:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.nav-item.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.top-nav {
    height: var(--top-nav-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
}

.nav-left h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-left h1 i {
    color: var(--primary-color);
    font-size: 22px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.user-info i {
    font-size: 20px;
}

.content-wrapper {
    padding: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #475569;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-color);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

/* Alerts */
.alert {
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert i {
    font-size: 18px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-admin {
    background: #ddd6fe;
    color: #5b21b6;
}

.badge-user {
    background: #dbeafe;
    color: #1e40af;
}

.badge-action {
    background: var(--bg-color);
    color: var(--text-primary);
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    text-transform: none;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    width: 100%;
}

.page-header-controls .search-form {
    flex: 1 1 280px;
    min-width: 240px;
    margin: 0;
}

.page-header-controls .search-box {
    width: 100%;
}

.page-header-controls .view-toggle,
.page-header-controls .sort-control {
    flex-shrink: 0;
}

.page-header--documents {
    flex-wrap: wrap;
}

.page-header--documents .page-header-info {
    flex: 1 1 100%;
    order: 2;
}

.page-header--documents .page-header-controls {
    order: 1;
}

.page-header--align-right {
    justify-content: flex-end;
}

.page-header--align-right .page-header-actions {
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 0px;
    font-size: 12px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--text-secondary);
}

/* Dashboard */
.dashboard {
    max-width: 1400px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon-documents {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-icon-folders {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-icon-users {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-icon-activity {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.stat-content h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 4px;
}

.stat-link {
    display: block;
    margin-top: 8px;
}

.stat-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: color 0.2s;
}

.stat-link a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Welcome Section */
.welcome-section {
    margin-bottom: 24px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.welcome-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.welcome-section p {
    font-size: 15px;
    color: var(--text-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.dashboard-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 24px;
}

.card-body.scrollable {
    max-height: 500px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-color);
}

.card-body.scrollable::-webkit-scrollbar {
    width: 8px;
}

.card-body.scrollable::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 4px;
}

.card-body.scrollable::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.card-body.scrollable::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--bg-color);
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 14px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: var(--bg-color);
}

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

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

/* Main Footer */
footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    width: 100%;
    /* margin-top: auto; Pushes footer to the bottom */
    position: relative;
    bottom: 0;
}

footer p {
    margin: 0;
}

/* Documents Grid */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.documents-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.document-item {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 12px;
    cursor: pointer;
    position: relative;
}

/* List View Styles */
.documents-grid.list-view .document-item {
    flex-direction: row;
    align-items: center;
    padding: 16px 20px;
    gap: 20px;
}

.documents-grid.list-view .document-item:hover {
    transform: none;
}

.documents-grid.list-view .document-icon {
    width: 56px;
    height: 56px;
    font-size: 28px;
    flex-shrink: 0;
}

.documents-grid.list-view .document-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.documents-grid.list-view .document-info h4 {
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.documents-grid.list-view .document-info p,
.documents-grid.list-view .document-info small {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.documents-grid.list-view .document-menu {
    flex-shrink: 0;
    position: relative;
}

.document-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.document-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.1);
    border-radius: 10px;
}

.folder-icon {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
}

.document-info {
    flex: 1;
}

.document-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    word-break: break-word;
}

.document-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.document-info small {
    font-size: 12px;
    color: var(--text-secondary);
}

.document-actions {
    display: flex;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* Document Menu (3-dot menu) */
.document-menu {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.menu-toggle:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
    margin-top: 4px;
}

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

.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.menu-item:first-child {
    border-radius: 8px 8px 0 0;
}

.menu-item:last-child {
    border-radius: 0 0 8px 8px;
}

.menu-item:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.menu-item i {
    width: 18px;
    text-align: center;
    font-size: 14px;
}

.menu-item:last-child {
    color: var(--danger-color);
}

.menu-item:last-child:hover {
    background: #fee2e2;
    color: var(--danger-color);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-small {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state-small i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
    display: block;
}

/* Document Name in Table */
.document-name {
    margin-left: 8px;
}

/* Type Breakdown */
.type-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.type-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    transition: background 0.2s;
}

.type-item:hover {
    background: #e2e8f0;
}

.type-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.type-info i {
    font-size: 18px;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.type-name {
    font-weight: 500;
    color: var(--text-primary);
}

.type-count {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.type-count strong {
    font-size: 18px;
    color: var(--text-primary);
}

.type-percentage {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Folders List */
.folders-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.folder-item-small {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.folder-item-small:hover {
    background: #e2e8f0;
    transform: translateX(4px);
}

.folder-icon-small {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 8px;
    color: #f59e0b;
    font-size: 18px;
}

.folder-info-small {
    flex: 1;
}

.folder-link {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 4px;
    transition: color 0.2s;
}

.folder-link:hover {
    color: var(--primary-color);
}

/* Activity List Compact */
.activity-list-compact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item-compact {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    transition: background 0.2s;
}

.activity-item-compact:hover {
    background: #e2e8f0;
}

.activity-icon-compact {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 8px;
    color: var(--primary-color);
    font-size: 14px;
    flex-shrink: 0;
}

.activity-content-compact {
    flex: 1;
}

.activity-content-compact p {
    margin-bottom: 4px;
    font-size: 14px;
}

.activity-content-compact p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.activity-content-compact p a:hover {
    text-decoration: underline;
}

.activity-content-compact small {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
    text-align: center;
}

.quick-action-btn:hover {
    background: var(--card-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quick-action-btn i {
    font-size: 24px;
    color: var(--primary-color);
}

.quick-action-btn span {
    font-size: 13px;
    font-weight: 500;
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.activity-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
}

.activity-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 8px;
    color: var(--primary-color);
}

.activity-content p {
    margin-bottom: 4px;
    font-size: 14px;
    color: var(--text-primary);
}

.activity-content strong {
    color: var(--primary-color);
}

.activity-content small {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--card-bg);
    margin: 5% auto;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s;
}

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

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.close {
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: 300;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Directory Path */
.directory-path {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #666;
    font-size: 0.9em;
}

.directory-path .path-separator {
    color: #999;
    margin: 0 4px;
}

.directory-path i {
    color: #4a5568;
    margin-right: 4px;
}

/* Search Form */
.search-form {
    display: flex;
    gap: 8px;
}

.search-box {
     margin-top:10px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-box input {
    min-width: 250px;
}

/* View Toggle */
.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-color);
    border-radius: 8px;
    padding: 4px;
    border: 1px solid var(--border-color);
}

.view-toggle-btn {
    background: transparent;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
}

.view-toggle-btn:hover {
    background: var(--card-bg);
    color: var(--text-primary);
}

.view-toggle-btn.active {
    background: var(--primary-color);
    color: white;
}

.view-toggle-btn i {
    font-size: 16px;
}

/* Sort Control */
.sort-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 12px;
}

.sort-control label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
    white-space: nowrap;
}

.sort-control select {
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
    padding: 4px 8px;
    cursor: pointer;
    outline: none;
    font-weight: 500;
}

.sort-control select:hover {
    color: var(--primary-color);
}

.sort-control select:focus {
    color: var(--primary-color);
}

/* Viewer */
.viewer-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.viewer-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 16px;
}

.viewer-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.viewer-content {
    padding: 24px;
    min-height: 600px;
}

.image-viewer {
    text-align: center;
}

.preview-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.pdf-viewer {
    width: 100%;
    height: 80vh;
}

.pdf-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

.text-viewer {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    max-height: 70vh;
    overflow: auto;
}

.text-viewer pre {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.unsupported-viewer {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.unsupported-viewer i {
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 20px;
}

.page-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Tablet and below (768px) */
@media (max-width: 768px) {
    .login-main-title {
        font-size: 36px;
    }
    
    .login-box {
        padding: 36px 32px;
    }
    
    :root {
        --sidebar-width: 260px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .top-nav {
        padding: 0 16px;
    }
    
    .nav-left h1 {
        font-size: 18px;
    }
    
    .nav-left h1 i {
        font-size: 20px;
    }
    
    .content-wrapper {
        padding: 20px 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-content h3 {
        font-size: 28px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .documents-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px;
    }
    
    .documents-grid.list-view .document-item {
        padding: 14px 16px;
        gap: 16px;
    }
    
    .documents-grid.list-view .document-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }
    
    .view-toggle {
        padding: 2px;
    }
    
    .view-toggle-btn {
        padding: 6px 10px;
        min-width: 32px;
        height: 32px;
        font-size: 13px;
    }
    
    .sort-control {
        padding: 4px 10px;
        gap: 6px;
    }
    
    .sort-control label {
        font-size: 12px;
    }
    
    .sort-control select {
        font-size: 12px;
        padding: 4px 6px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .page-header > div {
        width: 100%;
    }
    
    .page-header h2 {
        font-size: 20px;
    }
    
    .search-form {
        width: 100%;
    }
    
    .search-box {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .search-box input {
        min-width: 0;
        flex: 1;
        min-width: 200px;
    }
    
    .viewer-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .viewer-content {
        padding: 16px;
        min-height: 400px;
    }
    
    .pdf-viewer {
        height: 60vh;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: 16px 20px;
    }
    
    .modal-header h3 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-footer {
        padding: 16px 20px;
        flex-direction: column-reverse;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    .welcome-section {
        padding: 16px;
    }
    
    .welcome-section h2 {
        font-size: 24px;
    }
    
    .quick-actions {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .type-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .type-count {
        align-self: flex-end;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }
    
    .card-header {
        padding: 16px 20px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .card-header h2 {
        font-size: 16px;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .card-body.scrollable {
        max-height: 400px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .btn-sm {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        font-size: 13px;
    }
    
    .document-item {
        padding: 16px;
    }
    
    .document-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .document-info h4 {
        font-size: 14px;
    }
    
    .menu-dropdown {
        min-width: 140px;
    }
    
    .activity-item {
        padding: 12px;
        gap: 12px;
    }
    
    .folder-item-small {
        padding: 10px;
    }
}

/* Mobile devices (480px and below) */
@media (max-width: 480px) {
    .login-wrapper {
        padding: 20px 16px;
    }
    
    .login-page-header {
        margin-bottom: 30px;
    }
    
    .login-icon-box {
        width: 64px;
        height: 64px;
        margin-bottom: 20px;
    }
    
    .login-icon-box i {
        font-size: 32px;
    }
    
    .login-main-title {
        font-size: 32px;
    }
    
    .login-subtitle,
    .login-college {
        font-size: 14px;
    }
    
    .login-box {
        padding: 30px 24px;
        border-radius: 16px;
    }
    
    .secure-access-header {
        margin-bottom: 24px;
    }
    
    .secure-text {
        font-size: 11px;
    }
    
    .form-group-modern {
        margin-bottom: 20px;
    }
    
    .form-group-modern input {
        padding: 12px 14px 12px 44px;
        font-size: 14px;
    }
    
    .input-icon {
        left: 14px;
        font-size: 14px;
    }
    
    .btn-login-gradient {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .security-message {
        padding: 12px;
        margin-top: 20px;
    }
    
    .security-message p {
        font-size: 11px;
    }
    
    .login-page-footer {
        padding-top: 16px;
    }
    
    .login-page-footer p {
        font-size: 11px;
    }
    
    .content-wrapper {
        padding: 16px 12px;
    }
    
    .top-nav {
        height: 60px;
        padding: 0 12px;
    }
    
    .nav-left h1 {
        font-size: 16px;
        gap: 8px;
    }
    
    .nav-left h1 i {
        font-size: 18px;
    }
    
    .user-info {
        font-size: 12px;
        gap: 6px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        flex-direction: row;
        padding: 16px;
        gap: 16px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .stat-content h3 {
        font-size: 24px;
    }
    
    .stat-content p {
        font-size: 13px;
    }
    
    .dashboard-grid {
        gap: 16px;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .documents-grid.list-view .document-item {
        flex-direction: row;
        padding: 12px 14px;
        gap: 14px;
    }
    
    .documents-grid.list-view .document-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    
    .view-toggle {
        padding: 2px;
    }
    
    .view-toggle-btn {
        padding: 6px 8px;
        min-width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .view-toggle-btn i {
        font-size: 14px;
    }
    
    .sort-control {
        padding: 4px 8px;
        gap: 4px;
        flex-wrap: wrap;
    }
    
    .sort-control label {
        font-size: 11px;
    }
    
    .sort-control select {
        font-size: 11px;
        padding: 4px 6px;
        min-width: 120px;
    }
    
    .page-header {
        margin-bottom: 16px;
        gap: 8px;
    }
    
    .page-header h2 {
        font-size: 18px;
    }
    
    .search-box {
        flex-direction: column;
        width: 100%;
    }
    
    .search-box input {
        width: 100%;
        min-width: 0;
    }
    
    .search-box button {
        width: 100%;
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .data-table {
        font-size: 12px;
        min-width: 600px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
    
    .data-table th {
        font-size: 11px;
        white-space: nowrap;
    }
    
    .modal-content {
        width: 100%;
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
        height: 100vh;
        display: flex;
        flex-direction: column;
    }
    
    .modal-header {
        padding: 16px;
        flex-shrink: 0;
    }
    
    .modal-header h3 {
        font-size: 16px;
    }
    
    .close {
        font-size: 24px;
    }
    
    .modal-body {
        padding: 16px;
        flex: 1;
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: 12px 16px;
        flex-shrink: 0;
    }
    
    .card-header {
        padding: 14px 16px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-header h2 {
        font-size: 15px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .card-body.scrollable {
        max-height: 350px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
    
    .btn-sm {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .btn-icon {
        padding: 6px;
        font-size: 14px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-group input,
    .form-control,
    .form-group select {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .document-item {
        padding: 14px;
        gap: 10px;
    }
    
    .document-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .document-info h4 {
        font-size: 13px;
    }
    
    .document-info p {
        font-size: 12px;
    }
    
    .document-info small {
        font-size: 11px;
    }
    
    .document-menu {
        top: 8px;
        right: 8px;
    }
    
    .menu-toggle {
        width: 28px;
        height: 28px;
        padding: 6px;
        font-size: 14px;
    }
    
    .menu-dropdown {
        min-width: 130px;
        font-size: 13px;
    }
    
    .menu-item {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    .activity-item {
        padding: 10px;
        gap: 10px;
    }
    
    .activity-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .activity-content p {
        font-size: 13px;
    }
    
    .activity-content small {
        font-size: 11px;
    }
    
    .folder-item-small {
        padding: 10px;
        gap: 10px;
    }
    
    .folder-icon-small {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .viewer-content {
        padding: 12px;
        min-height: 300px;
    }
    
    .pdf-viewer {
        height: 50vh;
    }
    
    .text-viewer {
        padding: 16px;
        max-height: 60vh;
    }
    
    .text-viewer pre {
        font-size: 12px;
    }
    
    .empty-state {
        padding: 40px 16px;
    }
    
    .empty-state i {
        font-size: 48px;
    }
    
    .empty-state-small {
        padding: 30px 16px;
    }
    
    .empty-state-small i {
        font-size: 40px;
    }
    
    .welcome-section {
        padding: 14px;
    }
    
    .welcome-section h2 {
        font-size: 20px;
    }
    
    .welcome-section p {
        font-size: 14px;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .quick-action-btn {
        padding: 16px;
    }
    
    .quick-action-btn i {
        font-size: 20px;
    }
    
    .type-item {
        padding: 10px;
    }
    
    .alert {
        padding: 12px 14px;
        font-size: 13px;
    }
    
    .alert i {
        font-size: 16px;
    }
}

/* Large tablets and small desktops (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .documents-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .content-wrapper {
        padding: 20px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .btn-icon,
    .menu-toggle,
    .nav-item {
        min-height: 44px;
        min-width: 44px;
    }
    
    .document-item {
        cursor: default;
    }
    
    .menu-dropdown {
        font-size: 15px;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .modal-content {
        max-height: 95vh;
    }
    
    .pdf-viewer {
        height: 70vh;
    }
    
    .text-viewer {
        max-height: 75vh;
    }
}