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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #1e293b;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light-bg);
    color: var(--text-primary);
}


.login-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 420px;
    animation: slideUp 0.5s ease-out;
}

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

.login-container h2 {
    margin-bottom: 30px;
    color: #333;
    font-size: 28px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #c33;
}

/* ============================================
   DASHBOARD LAYOUT
============================================ */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
    background: var(--light-bg);
}

/* SIDEBAR */
.sidebar {
    width: 260px;
    background: var(--dark-bg);
    color: white;
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 30px;
}

.sidebar-header h3 {
    font-size: 24px;
    font-weight: 700;
}

.sidebar-header p {
    font-size: 13px;
    color: #94a3b8;
    margin-top: 5px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 8px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #cbd5e1;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(99, 102, 241, 0.2);
    color: white;
}

.sidebar-menu a i {
    margin-right: 12px;
    font-size: 18px;
}

.sidebar-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.logout-btn-sidebar {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.logout-btn-sidebar:hover {
    background: #dc2626;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: white;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.dashboard-header h1 {
    font-size: 28px;
    color: var(--text-primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
}

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

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s;
    border-left: 4px solid var(--primary-color);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.danger {
    border-left-color: var(--danger-color);
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

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

.stat-change {
    font-size: 13px;
    margin-top: 10px;
}

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

.stat-change.negative {
    color: var(--danger-color);
}

/* ============================================
   CONTENT GRID
============================================ */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.card-header h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.view-all:hover {
    text-decoration: underline;
}

/* ============================================
   PROJECTS SECTION
============================================ */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-item {
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s;
}

.project-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.project-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.project-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.project-status.completed {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.project-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.project-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============================================
   ACTIVITY FEED
============================================ */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    border-radius: 8px;
    background: var(--light-bg);
    transition: all 0.3s;
}

.activity-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.update {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.activity-icon.completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.activity-icon.upload {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.activity-content {
    flex: 1;
}

.activity-content p {
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 5px;
}

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

/* ============================================
   TASKS TABLE
============================================ */
.tasks-table {
    width: 100%;
    border-collapse: collapse;
}

.tasks-table thead {
    background: var(--light-bg);
}

.tasks-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tasks-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.task-priority {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.task-priority.high {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.task-priority.medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.task-priority.low {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.task-status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.task-status-badge.todo {
    background: rgba(148, 163, 184, 0.1);
    color: #64748b;
}

.task-status-badge.in_progress {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.task-status-badge.completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

/* ============================================
   RESPONSIVE DESIGN
============================================ */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        padding: 15px 10px;
    }
    
    .sidebar-header h3,
    .sidebar-header p,
    .sidebar-menu span {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
}