* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #e0f2fe, #f8fafc);
    min-height: 100vh;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}

.login-logo img {
    width: 100px;
    height: auto;
}

.login-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-header h1 {
    margin: 0 0 8px;
    font-size: 24px;
    color: #0f172a;
}

.login-header p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #334155;
}

input {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-size: 14px;
}

.password-box {
    position: relative;
}

.password-box input {
    padding-right: 40px;
}

.toggle-password {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    cursor: pointer;
}

.login-options {
    text-align: center;
    margin: 12px 0 18px;
}

.login-options a {
    color: #2563eb;
    text-decoration: none;
    font-size: 14px;
}

.login-options a:hover {
    text-decoration: underline;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: #2563eb;
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-weight: bold;
    cursor: pointer;
}

.btn-login:hover {
    background: #1d4ed8;
}

.login-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 16px;
    text-align: center;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 24px;
    }
}