/* 
 * cakal.cloud Login Page Styles
 * Modern, minimal design following the site's design system
 */

/* Login Container - Full Viewport */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

/* Background Pattern */
.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.login-pattern {
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(37, 99, 235, 0.03) 0%, transparent 50%);
    background-size: 400px 400px;
}

/* Main Login Card */
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xxl);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
    background: rgba(254, 254, 254, 0.95);
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.login-logo {
    margin-bottom: var(--spacing-lg);
}

.logo-image {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.login-title {
    color: var(--text-primary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.025em;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    margin: 0;
}

/* Login Messages */
.login-messages {
    margin-bottom: var(--spacing-lg);
}

.alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.alert-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-content i {
    font-size: var(--font-size-md);
}

.alert-danger {
    background: rgba(220, 38, 38, 0.1);
    color: var(--brand-danger);
    border-left: 3px solid var(--brand-danger);
}

.alert-success {
    background: rgba(5, 150, 105, 0.1);
    color: var(--brand-success);
    border-left: 3px solid var(--brand-success);
}

.alert-warning {
    background: rgba(217, 119, 6, 0.1);
    color: var(--brand-warning);
    border-left: 3px solid var(--brand-warning);
}

.alert-info {
    background: rgba(8, 145, 178, 0.1);
    color: var(--brand-info);
    border-left: 3px solid var(--brand-info);
}

/* Login Form */
.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-label i {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Input Wrapper */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper .form-control {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    height: 48px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all 0.2s ease;
}

.input-wrapper .form-control:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.input-wrapper .form-control::placeholder {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Input Icon */
.input-icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    pointer-events: none;
}

.input-icon i {
    font-size: var(--font-size-md);
}

/* Password Toggle Button */
.btn-icon {
    position: absolute;
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--text-muted);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--text-muted);
    background: none;
}

.btn-icon i {
    font-size: var(--font-size-md);
}

/* Form Options Row */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-check-input {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.form-check-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

/* Forgot Password Link */
.forgot-password {
    color: var(--brand-primary);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color 0.2s ease;
}

.forgot-password:hover {
    color: var(--brand-primary);
    text-decoration: none;
}

/* reCAPTCHA */
.recaptcha-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.form-text {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-align: center;
}

/* Login Button */
.btn-login {
    width: 100%;
    height: 48px;
    background: var(--brand-primary);
    border: 1px solid var(--brand-primary);
    border-radius: var(--border-radius-lg);
    color: var(--text-white);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    transform: none;
    box-shadow: none;
}

.btn-login:active {
    transform: none;
}

.btn-login:disabled,
.btn-login.disabled {
    background: var(--text-muted);
    border-color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

.btn-login:disabled:hover,
.btn-login.disabled:hover {
    background: var(--text-muted);
    border-color: var(--text-muted);
    transform: none;
    box-shadow: none;
}

/* Button Loading Spinner */
.btn-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--text-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Login Footer */
.login-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color-light);
}

.security-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.security-info i {
    color: var(--brand-success);
}

.version-info {
    color: var(--text-light);
    font-size: var(--font-size-xs);
}

/* Invalid Feedback */
.invalid-feedback {
    display: block;
    color: var(--brand-danger);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    padding-left: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: var(--spacing-sm);
    }
    
    .login-card {
        padding: var(--spacing-xl);
        max-width: 100%;
    }
    
    .login-title {
        font-size: var(--font-size-2xl);
    }
    
    .form-options {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
}

/* Loading State */
.login-container.loading {
    pointer-events: none;
}

.login-container.loading .login-card {
    opacity: 0.7;
}

/* Focus States */
.form-control:focus + .input-icon {
    color: var(--brand-primary);
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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