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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

.login-wrapper {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #0c5f95 0%, #1a7fc4 100%);
    padding: 35px 30px;
    text-align: center;
}

.login-header h1 {
    color: white;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.login-header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
}

.login-body {
    padding: 40px 35px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2a2f44;
    font-size: 15px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid #e0e6ed;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-group input:focus {
    outline: none;
    border-color: #1a7fc4;
    background: white;
    box-shadow: 0 0 0 4px rgba(26, 127, 196, 0.1);
}

.form-group input::placeholder {
    color: #9aa6d4;
}

.btn-login {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #2f6ea6 0%, #1a5c87 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-login:hover {
    background: linear-gradient(135deg, #3a7fc7 0%, #1f6e9a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 127, 196, 0.4);
}

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

.alert {
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 25px;
    font-size: 14px;
}

.alert-error {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #dcfce7;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

.login-footer {
    text-align: center;
    padding: 20px;
    background: #f8fafc;
    border-top: 1px solid #e0e6ed;
    color: #6f7aa6;
    font-size: 13px;
}