/* Login Page Styles */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    max-width: 450px;
    width: 100%;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 30px;
    text-align: center;
    color: white;
}

.login-header i {
    font-size: 4rem;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.login-header h2 {
    margin: 0;
    font-weight: 700;
    font-size: 1.8rem;
}

.login-header p {
    margin: 5px 0 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Body */
.login-body {
    padding: 40px 30px;
}

/* Form Elements */
.form-floating {
    margin-bottom: 20px;
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    padding: 12px 15px;
    height: auto;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-floating label {
    padding: 1rem 0.75rem;
}

.input-group-text {
    background: transparent;
    border: 2px solid #e0e0e0;
    border-right: none;
    border-radius: 10px 0 0 10px;
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

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

.btn-login .btn-text {
    display: inline-block;
    transition: opacity 0.3s ease;
}

.btn-login.loading .btn-text {
    opacity: 0;
}

/* Loader Spinner */
.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
}

.btn-login.loading .btn-loader {
    display: block;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Remember & Forgot */
.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.form-check-label {
    cursor: pointer;
}

.forgot-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.forgot-link:hover {
    text-decoration: underline;
    color: #764ba2;
}

/* Footer */
.login-footer {
    text-align: center;
    padding: 20px 30px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
}

/* Demo Credentials */
.demo-credentials {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease-out 0.3s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.demo-credentials h6 {
    color: #856404;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.demo-credentials ul {
    margin: 0;
    padding-left: 20px;
    color: #856404;
}

.demo-credentials li {
    margin-bottom: 5px;
}

.demo-credentials code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Alerts */
.alert {
    border-radius: 10px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 576px) {
    .login-container {
        padding: 10px;
    }

    .login-header {
        padding: 30px 20px;
    }

    .login-header i {
        font-size: 3rem;
    }

    .login-header h2 {
        font-size: 1.5rem;
    }

    .login-body {
        padding: 30px 20px;
    }

    .demo-credentials {
        font-size: 0.85rem;
    }
}

/* Validation Errors */
.text-danger {
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.validation-summary-errors {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 10px;
    padding: 15px;
    color: #721c24;
}

.validation-summary-errors ul {
    margin: 0;
    padding-left: 20px;
}