/* Login Page Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-box {
    background: #1e1e1e;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    padding: 40px;
    color: #ffffff;
}

.logo {
    text-align: center;
    margin-bottom: 32px;
}

.logo h1 {
    font-size: 3rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo p {
    font-size: 1rem;
    color: #999;
    font-weight: 300;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    color: #ccc;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    padding: 12px 16px;
    border: 2px solid #2d2d2d;
    border-radius: 8px;
    background: #2d2d2d;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
    background: #353535;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #667eea;
}

.checkbox-group span {
    font-size: 0.9rem;
    color: #ccc;
}

.error-message {
    padding: 12px 16px;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ff6b6b;
    font-size: 0.9rem;
    text-align: center;
}

.btn-login {
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-footer {
    margin-top: 32px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #2d2d2d;
}

.login-footer p {
    font-size: 0.85rem;
    color: #666;
}

/* Responsive */
@media (max-width: 480px) {
    .login-box {
        padding: 32px 24px;
    }

    .logo h1 {
        font-size: 2.5rem;
    }
}

/* Loading animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}