/* app/static/css/login.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1F4E79 0%, #2A2E33 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(31, 78, 121, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-header h1 {
    color: #1F4E79;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #7F8C8D;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2A2E33;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #D5D8DC;
    border-radius: 5px;
    font-size: 1rem;
    transition: border 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #1F4E79;
    box-shadow: 0 0 0 2px rgba(31, 78, 121, 0.1);
}

.captcha-group {
    margin-top: 0.5rem;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.captcha-question {
    flex: 1;
    padding: 0.7rem 0.75rem;
    border-radius: 5px;
    background: #EEF3F8;
    color: #1F4E79;
    font-weight: 700;
}

.captcha-refresh {
    width: 42px;
    height: 42px;
    border: 1px solid #D5D8DC;
    border-radius: 5px;
    background: #FFFFFF;
    color: #1F4E79;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 700;
}

.captcha-refresh:hover {
    background: #F4F7FA;
}

.login-btn {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, #1F4E79 0%, #2A5D8F 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.login-btn:disabled {
    cursor: not-allowed;
    opacity: 0.65;
    transform: none;
    box-shadow: none;
}

.login-btn:hover {
    background: linear-gradient(135deg, #1A3F5F 0%, #1F4E79 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(31, 78, 121, 0.3);
}

.message-container {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
}

.login-footer {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: #7F8C8D;
}