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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.login-logo {
    max-width: 120px;
    width: 120px;
    height: auto;
}

.login-title {
    color: #071b30;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    text-align: center;
}

.login-box h2 {
    color: #667eea;
    font-size: 18px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.btn-secondary {
    padding: 10px 20px;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

.btn-secondary:hover {
    background: #c0392b;
}

.message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
}

.message.error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.message.success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

/* Dashboard */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: #2c3e50;
    color: white;
    display: flex;
    flex-direction: column;
}

.logo {
    padding: 30px 20px;
    background: #34495e;
    border-bottom: 1px solid #1a252f;
}

.logo h2 {
    font-size: 18px;
}

.menu {
    flex: 1;
    list-style: none;
    padding: 20px 0;
}

.menu li {
    margin-bottom: 5px;
}

.menu a {
    display: block;
    padding: 15px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: background 0.3s;
}

.menu a:hover,
.menu a.active {
    background: #34495e;
    border-left: 3px solid #667eea;
}

.user-info {
    padding: 20px;
    border-top: 1px solid #34495e;
}

.user-info p {
    margin-bottom: 10px;
    font-weight: 500;
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    background: white;
    padding: 20px 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
    color: #2c3e50;
    font-size: 24px;
}

.main-content {
    padding: 30px;
}

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

.card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: #666;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.card-value {
    font-size: 32px;
    font-weight: bold;
    color: #667eea;
}