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

:root {
    --primary-color: #E53935;
    --primary-dark: #C62828;
    --primary-light: #EF5350;
    --secondary-color: #1976D2;
    --success-color: #43A047;
    --warning-color: #FB8C00;
    --danger-color: #E53935;
    --dark-color: #263238;
    --light-color: #FAFAFA;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #E53935 0%, #C62828 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--gray-800);
    direction: rtl;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: currentColor;
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

.alert-success {
    background: #e8f5e8;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

.alert-warning {
    background: #fff3e0;
    color: #ef6c00;
    border: 1px solid #ffcc02;
}

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

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.login-header .logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 8px 25px rgba(229, 57, 53, 0.3);
}

.login-header h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 1.8rem;
}

.login-header p {
    color: var(--gray-600);
    margin-bottom: 30px;
    font-size: 14px;
}

.form-group {
    position: relative;
    margin-bottom: 20px;
    text-align: right;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 15px 45px 15px 15px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
    transform: translateY(-1px);
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    margin-top: 12px;
    transition: var(--transition);
}

.form-group input:focus + i {
    color: var(--primary-color);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    font-size: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
    color: var(--gray-600);
    cursor: pointer;
}

.remember-me input {
    margin-left: 8px;
    width: auto;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border: none;
    padding: 15px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.login-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-500);
    font-size: 12px;
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: var(--gray-100);
}

.sidebar {
    width: 280px;
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
}

.sidebar-header .logo {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 15px;
    backdrop-filter: blur(10px);
}

.sidebar-header h2 {
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-menu li {
    margin-bottom: 2px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    border-radius: 0 25px 25px 0;
    margin-left: 10px;
}

.sidebar-menu a:hover,
.sidebar-menu li.active a {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    transform: translateX(-5px);
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--primary-dark);
    transition: width 0.3s ease;
}

.sidebar-menu a:hover::before,
.sidebar-menu li.active a::before {
    width: 4px;
}

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

.main-content {
    flex: 1;
    margin-right: 280px;
    min-height: 100vh;
    transition: var(--transition);
}

.dashboard-header {
    background: var(--white);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.dashboard-header h1 {
    color: var(--gray-800);
    font-weight: 600;
    font-size: 1.5rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

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

.user-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--gray-500);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.dropdown-toggle:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

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

.dropdown-menu a {
    display: block;
    padding: 12px 15px;
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.dropdown-menu a:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.dropdown-menu hr {
    margin: 5px 0;
    border: none;
    border-top: 1px solid var(--gray-200);
}

.dashboard-content {
    padding: 30px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.page-header h1 {
    color: var(--gray-800);
    font-weight: 600;
    font-size: 1.8rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: 0 8px 25px rgba(229, 57, 53, 0.3);
}

.stat-info {
    flex: 1;
}

.stat-label {
    color: var(--gray-600);
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: 500;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 5px;
}

.stat-change {
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
}

.stat-change.positive {
    color: var(--success-color);
    background: rgba(67, 160, 71, 0.1);
}

.stat-change.negative {
    color: var(--danger-color);
    background: rgba(229, 57, 53, 0.1);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.chart-container,
.activities-container {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.chart-container:hover,
.activities-container:hover {
    box-shadow: var(--shadow-lg);
}

.chart-container h3,
.activities-container h3 {
    margin-bottom: 20px;
    color: var(--gray-800);
    font-weight: 600;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chart-container h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    border-radius: var(--border-radius);
    background: var(--gray-50);
    transition: var(--transition);
    border-right: 4px solid transparent;
}

.activity-item:hover {
    background: var(--gray-100);
    border-right-color: var(--primary-color);
    transform: translateX(-3px);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.3);
}

.activity-content {
    flex: 1;
}

.activity-content p {
    color: var(--gray-800);
    font-weight: 500;
    margin-bottom: 5px;
    font-size: 14px;
}

.activity-time {
    color: var(--gray-500);
    font-size: 12px;
}

/* Table Styles */
.table-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 30px;
}

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

.data-table th,
.data-table td {
    padding: 15px;
    text-align: right;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
}

.data-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.data-table tbody tr:hover {
    background: var(--gray-50);
}

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

.employee-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 14px;
}

.action-buttons {
    display: flex;
    gap: 5px;
}

/* Button Styles */
.btn {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 57, 53, 0.4);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #66bb6a);
    color: var(--white);
}

.btn-success:hover {
    background: linear-gradient(135deg, #388e3c, var(--success-color));
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #ef5350);
    color: var(--white);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #d32f2f, var(--danger-color));
    transform: translateY(-2px);
}

/* Status and Badge Styles */
.status,
.role-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active,
.role-employee {
    background: rgba(67, 160, 71, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(67, 160, 71, 0.2);
}

.status-inactive {
    background: rgba(251, 140, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(251, 140, 0, 0.2);
}

.status-deleted {
    background: rgba(229, 57, 53, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(229, 57, 53, 0.2);
}

.role-admin {
    background: rgba(25, 118, 210, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(25, 118, 210, 0.2);
}

.role-super_admin {
    background: rgba(156, 39, 176, 0.1);
    color: #9c27b0;
    border: 1px solid rgba(156, 39, 176, 0.2);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: slideInDown 0.3s ease;
}

.close {
    color: var(--gray-400);
    float: left;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    left: 20px;
    top: 15px;
    transition: var(--transition);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

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

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

/* Projects Page Styles */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 25px;
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

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

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

.project-header h3 {
    color: var(--gray-800);
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.status-planning {
    background: rgba(25, 118, 210, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(25, 118, 210, 0.2);
}

.status-completed {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.status-on_hold {
    background: rgba(251, 140, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(251, 140, 0, 0.2);
}

.project-details {
    margin-bottom: 20px;
}

.project-details p {
    margin-bottom: 8px;
    color: var(--gray-600);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-details strong {
    color: var(--gray-700);
    min-width: 80px;
}

.progress-section {
    margin-bottom: 20px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.progress-header span {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

/* Tasks Page Styles */
.tasks-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tasks-column {
    background: var(--gray-100);
    border-radius: var(--border-radius);
    padding: 20px;
    min-height: 400px;
}

.tasks-column h3 {
    margin-bottom: 20px;
    color: var(--gray-800);
    font-weight: 600;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--primary-color);
    position: relative;
}

.tasks-column h3::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-light);
    border-radius: 2px;
}

.task-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-right: 4px solid var(--primary-color);
}

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

.task-card.completed {
    background: rgba(76, 175, 80, 0.05);
    border-right-color: var(--success-color);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.task-header h4 {
    color: var(--gray-800);
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1rem;
}

.priority {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.priority-low {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
}

.priority-medium {
    background: rgba(251, 140, 0, 0.1);
    color: var(--warning-color);
}

.priority-high {
    background: rgba(229, 57, 53, 0.1);
    color: var(--danger-color);
}

.priority-urgent {
    background: var(--danger-color);
    color: var(--white);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(229, 57, 53, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0); }
}

.task-project,
.task-assignee,
.task-due-date {
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.task-actions {
    display: flex;
    gap: 8px;
    margin-top: 15px;
}

/* Reports Page Styles */
.report-filters {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.form-select {
    padding: 8px 15px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stats-summary {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.stats-summary h3 {
    margin-bottom: 20px;
    color: var(--gray-800);
    font-weight: 600;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.stat-item:hover {
    background: var(--gray-50);
    margin: 0 -10px;
    padding: 12px 10px;
    border-radius: var(--border-radius);
}

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

.stat-label {
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
}

.stat-value {
    color: var(--gray-800);
    font-weight: 600;
    font-size: 16px;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .reports-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .dashboard-header {
        padding: 15px 20px;
    }
    
    .dashboard-content {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .tasks-board {
        grid-template-columns: 1fr;
    }
    
    .user-details {
        display: none;
    }
    
    .page-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .report-filters {
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 3px;
    }
    
    .btn-sm {
        padding: 6px 12px;
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .dashboard-content {
        padding: 15px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .chart-container,
    .activities-container {
        padding: 20px 15px;
    }
    
    .project-card,
    .task-card {
        padding: 20px 15px;
    }
    
    .modal-content {
        padding: 20px 15px;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .sidebar-toggle,
    .dropdown,
    .btn,
    .action-buttons {
        display: none !important;
    }
    
    .main-content {
        margin-right: 0 !important;
    }
    
    .dashboard-header {
        box-shadow: none;
        border-bottom: 1px solid var(--gray-300);
    }
    
    .stat-card,
    .chart-container,
    .project-card,
    .task-card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    body {
        background: white !important;
    }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --gray-50: #2a2a2a;
        --gray-100: #2d2d2d;
        --gray-200: #3a3a3a;
        --gray-300: #4a4a4a;
        --gray-600: #9a9a9a;
        --gray-700: #b0b0b0;
        --gray-800: #d0d0d0;
        --gray-900: #f0f0f0;
    }
    
    body {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
        color: var(--gray-800);
    }
    
    .login-card {
        background: var(--gray-100);
        border: 1px solid var(--gray-300);
    }
    
    .sidebar,
    .dashboard-header,
    .stat-card,
    .chart-container,
    .activities-container,
    .table-container,
    .project-card,
    .task-card,
    .modal-content {
        background: var(--gray-100);
        border: 1px solid var(--gray-300);
    }
    
    .data-table th {
        background: var(--gray-200);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea,
    .form-select {
        background: var(--gray-200);
        border-color: var(--gray-300);
        color: var(--gray-800);
    }
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus indicators */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline-color: var(--primary-color);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    }
    
    .btn,
    .stat-card,
    .project-card,
    .task-card {
        border: 2px solid var(--gray-800);
    }
    
    .status,
    .priority,
    .role-badge {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .progress-fill::after {
        animation: none;
    }
    
    .priority-urgent {
        animation: none;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-bold { font-weight: bold; }
.text-muted { color: var(--gray-500); }

.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; }

.p-10 { padding: 10px; }
.p-20 { padding: 20px; }
.p-30 { padding: 30px; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--gray-200); }
.bg-success { background-color: var(--success-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-danger { background-color: var(--danger-color); }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--gray-600); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

.border { border: 1px solid var(--gray-300); }
.border-top { border-top: 1px solid var(--gray-300); }
.border-bottom { border-bottom: 1px solid var(--gray-300); }
.border-left { border-left: 1px solid var(--gray-300); }
.border-right { border-right: 1px solid var(--gray-300); }

.rounded { border-radius: var(--border-radius); }
.rounded-full { border-radius: 50%; }

.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-in-up {
    animation: slideInUp 0.3s ease;
}

.slide-in-down {
    animation: slideInDown 0.3s ease;
}

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

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

::-webkit-scrollbar-track {
    background: var(--gray-200);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Selection styles */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}