/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a365d;
    --secondary-color: #ff6b35;
    --primary-light: #2c5aa0;
    --primary-dark: #0f2937;
    --secondary-light: #ff8c69;
    --secondary-dark: #e55a2b;
    --background-color: #f7fafc;
    --card-background: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --border-color: #e2e8f0;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --sidebar-width: 280px;
    --header-height: 70px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: white;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-screen h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease;
}

.loading-screen p {
    opacity: 0.8;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

/* Login Container */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: 20px;
}

.login-card {
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    animation: slideInUp 0.6s ease;
    border: 1px solid var(--border-color);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.login-header .logo i {
    font-size: 2.5rem;
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.login-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group label i {
    color: var(--primary-color);
    width: 16px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: #fafafa;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
    background-color: white;
    transform: translateY(-2px);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.login-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-btn:hover::before {
    width: 300px;
    height: 300px;
}

.demo-credentials {
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.demo-credentials h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    text-align: center;
    font-size: 1.1rem;
}

.credentials-grid {
    display: grid;
    gap: 10px;
}

.credential-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 8px;
    background: white;
    border-radius: 4px;
    border-left: 3px solid var(--secondary-color);
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-color), var(--primary-dark));
    color: white;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header .logo i {
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.sidebar-header .logo span {
    font-size: 1.3rem;
    font-weight: 700;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: var(--transition);
    margin-right: 15px;
}

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

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.header-title {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

/* Mobile Overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-overlay.show {
    opacity: 1;
    visibility: visible;
}

.user-info {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-avatar i {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.user-role {
    font-size: 0.9rem;
    opacity: 0.8;
    color: var(--secondary-light);
}

.sidebar-menu {
    padding: 20px 0;
    flex: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border-left: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.menu-item:hover,
.menu-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-left-color: var(--secondary-color);
    transform: translateX(5px);
}

.menu-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--secondary-color), transparent);
    transition: width 0.3s ease;
}

.menu-item:hover::before {
    width: 100%;
    opacity: 0.1;
}

.menu-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.menu-item .menu-text {
    font-weight: 500;
}

.menu-item .menu-badge {
    background: var(--secondary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.7rem;
    margin-left: auto;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 107, 53, 0.2);
    color: white;
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

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

.top-header {
    height: var(--header-height);
    background: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.page-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.breadcrumb span {
    position: relative;
}

.breadcrumb span:not(:last-child)::after {
    content: ' / ';
    margin: 0 5px;
    opacity: 0.5;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 15px;
    color: var(--text-secondary);
    z-index: 1;
}

.search-box input {
    padding: 10px 15px 10px 45px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    width: 300px;
    transition: var(--transition);
    background: #fafafa;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
    background: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-btn {
    position: relative;
    background: none;
    border: none;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.notification-badge,
.message-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 107, 53, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 107, 53, 0);
    }
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.user-menu-btn:hover {
    background: var(--background-color);
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.dashboard-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.card-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.card-change {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-change.positive {
    color: var(--success-color);
}

.card-change.negative {
    color: var(--error-color);
}

/* Tables */
.table-container {
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 30px;
}

.table-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fafafa;
}

.table-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.table-actions {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

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

.data-table th,
.data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: #fafafa;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr {
    transition: var(--transition);
}

.data-table tr:hover {
    background: rgba(26, 54, 93, 0.02);
}

.data-table td {
    color: var(--text-secondary);
}

/* Status Badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-color);
}

.status-inactive {
    background: rgba(245, 101, 101, 0.1);
    color: var(--error-color);
}

.status-pending {
    background: rgba(237, 137, 54, 0.1);
    color: var(--warning-color);
}

/* Forms */
.form-container {
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    padding: 30px;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 30px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideInScale 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInScale {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    padding: 5px;
    border-radius: 50%;
}

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

/* Attendance Styles */
.students-attendance-list {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    max-height: 300px;
    overflow-y: auto;
    background-color: #f8fafc;
}

.attendance-student {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    margin-bottom: 8px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.attendance-student:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.student-info {
    flex: 1;
}

.student-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2px;
}

.student-id {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.attendance-options {
    display: flex;
    gap: 8px;
}

.attendance-option {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
}

.attendance-option input[type="radio"] {
    margin: 0;
}

.attendance-option.present {
    color: #059669;
}

.attendance-option.absent {
    color: #dc2626;
}

.attendance-option.late {
    color: #d97706;
}

/* Dashboard Cards Row */
.dashboard-cards-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.dashboard-cards-row .dashboard-card {
    flex: 1;
    margin: 0;
}

@media (max-width: 768px) {
    .dashboard-cards-row {
        flex-direction: column;
        gap: 15px;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        width: 250px;
    }

    .main-content {
        margin-left: 250px;
    }

    .search-box input {
        width: 200px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-overlay {
        display: block;
    }

    .top-header {
        padding: 0 20px;
    }

    .search-box {
        display: none;
    }

    .content-area {
        padding: 20px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .header-actions {
        gap: 10px;
    }

    .user-menu-btn span {
        display: none;
    }

    /* Mobile Actions Dropdown */
    .desktop-actions {
        display: none;
    }

    .mobile-actions {
        display: block;
    }

    /* Table responsive improvements */
    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 8px 6px;
    }

    .table-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .table-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
        margin: 20px;
    }

    .content-area {
        padding: 15px;
    }

    .top-header {
        padding: 0 15px;
    }

    .page-title {
        font-size: 1.2rem;
    }

    .dashboard-card {
        padding: 20px;
    }

    .table-header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .data-table {
        font-size: 0.9rem;
    }

    .data-table th,
    .data-table td {
        padding: 10px;
    }

    .form-actions {
        flex-direction: column;
    }

    .modal-content {
        padding: 20px;
        margin: 20px;
    }
}

/* Developer Profile Page Styles */
.developer-profile {
    max-width: 800px;
    margin: 0 auto;
}

.profile-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.05) 10px,
        rgba(255, 255, 255, 0.05) 20px
    );
    animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
    0% { transform: translateX(-50px) translateY(-50px); }
    100% { transform: translateX(50px) translateY(50px); }
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    border: 4px solid var(--secondary-color);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.profile-title {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.profile-content {
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.profile-section {
    margin-bottom: 30px;
}

.profile-section h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile-section h3 i {
    color: var(--secondary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.skill-item {
    background: linear-gradient(135deg, var(--background-color), #f1f5f9);
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, var(--background-color), #f8fafc);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
    border: 2px solid transparent;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--secondary-color);
    background: white;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary-color);
}

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

/* Animation Classes */
.fade-in {
    animation: fadeInUp 0.6s ease;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* Success Notifications */
.success-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    font-weight: 500;
    max-width: 350px;
    word-wrap: break-word;
}

/* Actions Dropdown for Mobile */
.actions-dropdown {
    position: relative;
    display: inline-block;
}

.actions-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.actions-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.actions-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

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

.actions-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.actions-menu-item:last-child {
    border-bottom: none;
}

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

.actions-menu-item i {
    width: 16px;
    text-align: center;
    font-size: 0.9rem;
}

.actions-menu-item.edit { color: var(--primary-color); }
.actions-menu-item.delete { color: var(--error-color); }
.actions-menu-item.view { color: var(--text-secondary); }
.actions-menu-item.reset { color: var(--warning-color); }

/* Desktop vs Mobile Actions */
.desktop-actions {
    display: flex;
    gap: 5px;
}

.mobile-actions {
    display: none;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* Bulk Attendance Modal Styles */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.checkbox-label:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + span {
    font-weight: 500;
}

/* Dashboard Cards Row */
.dashboard-cards-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

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

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

.card-content {
    padding: 20px;
}

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

.card-title {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    margin: 0;
}

.card-icon {
    font-size: 24px;
    color: var(--primary-color);
    opacity: 0.7;
}

.card-stats {
    text-align: left;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-trend {
    font-size: 12px;
    font-weight: 500;
    margin-top: 5px;
}

.stat-trend.positive {
    color: var(--success-color);
}

.stat-trend.negative {
    color: var(--error-color);
}

.stat-trend i {
    margin-right: 4px;
}

/* Alert Styles */
.alert {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Bulk Actions Button */
.btn.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

/* Mobile Responsive for Dashboard Cards */
@media (max-width: 1024px) {
    .dashboard-cards-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-cards-row {
        display: block;
    }

    .dashboard-card {
        margin-bottom: 15px;
    }

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 24px;
    }
}