/* ============== Login Page ============== */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 100%;
}

.login-card h1 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 10px;
    color: #333;
}

.subtitle {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-bottom: 30px;
}

/* ============== Form ============== */
.login-form {
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

/* ============== Button ============== */
.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

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

.btn-block {
    width: 100%;
}

/* ============== Login Info ============== */
.login-info {
    background: #f5f7fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.login-info h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

.login-info ol {
    margin: 0;
    padding-left: 20px;
    color: #666;
    font-size: 13px;
}

.login-info li {
    margin-bottom: 6px;
    line-height: 1.5;
}

.login-info code {
    background: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #d63384;
    font-weight: 500;
}

/* ============== Messages ============== */
.message {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: none;
    font-size: 14px;
}

.message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.message.error {
    display: block;
    background: #fee2e2;
    color: #7f1d1d;
    border-left: 4px solid #ef4444;
}

.message.info {
    display: block;
    background: #dbeafe;
    color: #1e3a8a;
    border-left: 4px solid #3b82f6;
}

/* ============== Responsive ============== */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }

    .login-card h1 {
        font-size: 28px;
    }

    .login-info {
        padding: 15px;
    }

    .login-info h3 {
        font-size: 13px;
    }

    .login-info ol {
        font-size: 12px;
    }
}