:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d26;
    --bg-card: #21242d;
    --bg-card-hover: #282c38;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #2d3341;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1e2130 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-blue), #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header .tagline {
    color: var(--text-muted);
    font-size: 14px;
}

.login-card .form-label {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
}

.login-card .form-control {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s;
}

.login-card .form-control:focus {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-card .btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #2563eb);
    border: none;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.login-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.login-card .alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer p {
    color: var(--text-muted);
    font-size: 13px;
}

.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 18px;
}

.navbar-brand svg {
    color: var(--accent-blue);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.dashboard-main {
    padding: 48px 0;
    min-height: calc(100vh - 130px);
}

.dashboard-header {
    text-align: center;
    margin-bottom: 48px;
}

.dashboard-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.dashboard-header p {
    color: var(--text-muted);
    font-size: 16px;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.app-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity 0.3s;
}

.app-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.app-card:hover::before {
    opacity: 1;
}

.app-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    opacity: 0.9;
}

.app-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.app-content {
    flex: 1;
}

.app-content h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.app-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.feature-tag {
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.app-launch {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent-color);
    color: white;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.2s;
}

.app-launch:hover {
    filter: brightness(1.1);
    color: white;
    transform: scale(1.02);
}

.dashboard-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
}

.dashboard-footer p {
    color: var(--text-muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    .apps-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }
    
    .dashboard-header h1 {
        font-size: 24px;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 16px;
    }
    
    .login-card {
        padding: 32px 24px;
    }
}