/* CSS cho trang đăng nhập và đăng ký */

/* Container chính */
.container-login {
    max-width: 450px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Tiêu đề */
.container-login .heading {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
    padding-top: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Form */
.container-login .form {
    padding: 0 2rem 2rem 2rem;
}

/* Input fields */
.container-login .input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    margin-bottom: 0.5rem;
    border: 2px solid #e1e8ed;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    color: #2c3e50;
    outline: none;
}

.container-login .input:focus {
    border-color: #667eea;
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.container-login .input::placeholder {
    color: #95a5a6;
    font-weight: 400;
}

/* Validation messages */
.container-login .text-danger {
    display: block;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    margin-bottom: 0.75rem;
    color: #e74c3c;
    font-style: italic;
}

/* Login button */
.container-login .login-button {
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.container-login .login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.container-login .login-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
}

/* Validation summary */
.container-login .validation-summary-errors {
    background-color: #fee;
    border: 1px solid #fcc;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.container-login .validation-summary-errors ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.container-login .validation-summary-errors li {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.container-login .validation-summary-errors li:last-child {
    margin-bottom: 0;
}

/* Spacing adjustments cho Register form */
.container-login .mt-3 {
    margin-top: 0 !important;
}

.container-login .form > div.mt-3 {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 576px) {
    .container-login {
        margin: 1rem;
        border-radius: 15px;
    }

    .container-login .heading {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .container-login .form {
        padding: 0 1.5rem 1.5rem 1.5rem;
    }

    .container-login .input {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .container-login .login-button {
        padding: 0.875rem;
        font-size: 0.95rem;
    }
}

/* Animation cho page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container-login {
    animation: fadeInUp 0.6s ease-out;
}

/* Input hover effect */
.container-login .input:hover {
    border-color: #b8c5d6;
}

/* Disabled state */
.container-login .input:disabled {
    background-color: #ecf0f1;
    cursor: not-allowed;
    opacity: 0.6;
}

.container-login .login-button:disabled {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    cursor: not-allowed;
    opacity: 0.7;
    box-shadow: none;
}

.container-login .login-button:disabled:hover {
    transform: none;
    box-shadow: none;
}