/* ====================================
   LINE Login System - Complete CSS
   Version: 1.0.5
   Compatible with: def456 PHP/JS naming
   ==================================== */

/* ====================================
   1. CSS Variables & Root Settings
   ==================================== */
:root {
    /* LINE Brand Colors */
    --line-primary: #00B900;
    --line-primary-dark: #009900;
    --line-primary-light: #00C300;
    --line-gradient: linear-gradient(135deg, #00C300 0%, #00B900 100%);
    --line-gradient-hover: linear-gradient(135deg, #00B900 0%, #009900 100%);
    
    /* Status Colors */
    --color-success: #4CAF50;
    --color-error: #f44336;
    --color-warning: #FF9800;
    --color-info: #2196F3;
    
    /* Neutral Colors */
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-border: #dddddd;
    --color-bg: #ffffff;
    --color-bg-secondary: #f9f9f9;
    
    /* Shadows & Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-line: 0 2px 8px rgba(0, 185, 0, 0.2);
    --shadow-line-hover: 0 4px 12px rgba(0, 185, 0, 0.3);
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --animation-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 50%;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #f0f0f0;
        --color-text-secondary: #b0b0b0;
        --color-border: #444444;
        --color-bg: #1a1a1a;
        --color-bg-secondary: #2a2a2a;
    }
}

/* ====================================
   2. Reset & Base Styles
   ==================================== */
.line-login-wrapper-def456 *,
.line-profile-container-def456 *,
.line-user-info-def456 *,
.line-notification * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ====================================
   3. Login Button Styles
   ==================================== */
.line-login-wrapper-def456 {
    display: inline-block;
    position: relative;
}

.line-btn-def456 {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--line-gradient);
    color: var(--color-bg) !important;
    text-decoration: none !important;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 16px;
    line-height: 1;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-line);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

/* Button Shine Effect */
.line-btn-def456::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent
    );
    transition: left var(--transition-slow);
}

.line-btn-def456:hover::before {
    left: 100%;
}

.line-btn-def456:hover {
    background: var(--line-gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-line-hover);
}

.line-btn-def456:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Button Loading State */
.line-btn-def456.is-loading {
    pointer-events: none;
    opacity: 0.7;
}

.line-btn-def456 .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

/* Button Icon */
.line-btn-def456 svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    fill: currentColor;
}

/* Button Variants */
.line-btn-def456.line-btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
}

.line-btn-def456.line-btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 18px;
}

.line-btn-def456.line-btn-block {
    width: 100%;
    justify-content: center;
}

/* ====================================
   4. Notification Styles
   ==================================== */
.line-notification,
.line-notice-def456 {
    position: fixed;
    top: 20px;
    right: -400px;
    max-width: 400px;
    min-width: 300px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    z-index: 100000;
    transition: right var(--transition-normal) var(--animation-bounce);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.line-notification.is-visible,
.line-notice-def456.is-visible {
    right: 20px;
}

/* Notification Types */
.line-notification-success,
.line-notice-def456.success {
    border-left: 4px solid var(--color-success);
    background: linear-gradient(to right, rgba(76, 175, 80, 0.1), var(--color-bg));
}

.line-notification-error,
.line-notice-def456.error {
    border-left: 4px solid var(--color-error);
    background: linear-gradient(to right, rgba(244, 67, 54, 0.1), var(--color-bg));
}

.line-notification-warning,
.line-notice-def456.warning {
    border-left: 4px solid var(--color-warning);
    background: linear-gradient(to right, rgba(255, 152, 0, 0.1), var(--color-bg));
}

.line-notification-info,
.line-notice-def456.info {
    border-left: 4px solid var(--color-info);
    background: linear-gradient(to right, rgba(33, 150, 243, 0.1), var(--color-bg));
}

/* Notification Icons */
.notification-icon,
.notice-icon {
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
    flex-shrink: 0;
}

.line-notification-success .notification-icon { color: var(--color-success); }
.line-notification-error .notification-icon { color: var(--color-error); }
.line-notification-warning .notification-icon { color: var(--color-warning); }
.line-notification-info .notification-icon { color: var(--color-info); }

/* Notification Message */
.notification-message {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
}

/* Close Button */
.notification-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    line-height: 1;
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.notification-close:hover {
    color: var(--color-text);
}

/* ====================================
   5. Profile Card Styles
   ==================================== */
.line-profile-container-def456 {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.line-profile-card-def456 {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    position: relative;
}

/* Profile Avatar */
.line-profile-avatar-def456 {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 3px solid var(--line-primary);
    box-shadow: var(--shadow-md);
    position: relative;
}

.line-profile-avatar-def456 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.line-profile-avatar-def456:hover img {
    transform: scale(1.1);
}

/* Profile Info */
.line-profile-name-def456 {
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    font-size: 24px;
    font-weight: 700;
}

.line-profile-status-def456 {
    text-align: center;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    font-size: 14px;
}

.line-user-role {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--line-primary);
    margin-top: var(--spacing-sm);
}

/* ====================================
   6. Form Styles
   ==================================== */
.line-profile-form-def456,
#line-profile-form {
    margin-top: var(--spacing-xl);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
    font-size: 14px;
}

.form-group label .required {
    color: var(--color-error);
    margin-left: 2px;
}

/* Form Inputs */
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all var(--transition-fast);
    background: var(--color-bg);
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--line-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 185, 0, 0.1);
}

/* Input States */
.form-group input.field-valid,
.form-group select.field-valid {
    border-color: var(--color-success);
    background-color: rgba(76, 175, 80, 0.05);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%234CAF50'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
}

.form-group input.field-invalid,
.form-group select.field-invalid {
    border-color: var(--color-error);
    background-color: rgba(244, 67, 54, 0.05);
}

/* Error Messages */
.field-error {
    display: block;
    color: var(--color-error);
    font-size: 12px;
    margin-top: var(--spacing-xs);
    animation: slideDown var(--transition-fast);
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--line-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.submit-button:hover::before {
    width: 300px;
    height: 300px;
}

.submit-button:hover {
    background: var(--line-gradient-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-line);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled,
.submit-button.is-loading {
    background: #cccccc;
    cursor: not-allowed;
    opacity: 0.7;
}

.submit-button.is-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

/* ====================================
   7. User Info Display
   ==================================== */
.line-user-info-def456 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 350px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.line-user-info-def456:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.line-user-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--line-primary);
    flex-shrink: 0;
}

.line-user-details {
    flex: 1;
    min-width: 0;
}

.line-user-name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Logout Button */
.line-logout-btn {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-error);
    color: white !important;
    text-decoration: none !important;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.line-logout-btn:hover {
    background: #c82333;
    transform: translateY(-1px);
}

/* ====================================
   8. Modal Styles
   ==================================== */
.line-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-normal);
}

.line-modal.is-open {
    display: flex;
    align-items: center;
    justify-content: center;
}

.line-modal-content {
    background-color: var(--color-bg);
    padding: var(--spacing-xl);
    width: 90%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: slideUp var(--transition-normal) var(--animation-bounce);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

/* ====================================
   9. Animations
   ==================================== */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

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

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

@keyframes slideRight {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ====================================
   10. Loading States
   ==================================== */
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: -100% 0; }
    100% { background-position: 100% 0; }
}

/* ====================================
   11. Accessibility
   ==================================== */
/* Focus Visible */
.line-btn-def456:focus-visible,
.submit-button:focus-visible,
.line-logout-btn:focus-visible {
    outline: 2px solid var(--line-primary);
    outline-offset: 2px;
}

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ====================================
   12. Responsive Design
   ==================================== */
/* Tablet */
@media (max-width: 768px) {
    .line-profile-container-def456 {
        padding: var(--spacing-md);
    }
    
    .line-profile-card-def456 {
        padding: var(--spacing-lg);
    }
    
    .line-notification,
    .line-notice-def456 {
        left: 10px;
        right: 10px;
        max-width: none;
    }
    
    .line-notification.is-visible,
    .line-notice-def456.is-visible {
        right: 10px;
    }
    
    .line-btn-def456 {
        width: 100%;
        justify-content: center;
    }
    
    .line-user-info-def456 {
        max-width: 100%;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-xs: 2px;
        --spacing-sm: 4px;
        --spacing-md: 8px;
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }
    
    .line-profile-name-def456 {
        font-size: 20px;
    }
    
    .line-profile-avatar-def456 {
        width: 80px;
        height: 80px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Print Styles */
@media print {
    .line-btn-def456,
    .line-logout-btn,
    .submit-button,
    .line-notification,
    .modal-close {
        display: none !important;
    }
}

/* ====================================
   13. Utility Classes
   ==================================== */
.line-text-center { text-align: center; }
.line-text-left { text-align: left; }
.line-text-right { text-align: right; }

.line-mt-0 { margin-top: 0; }
.line-mt-1 { margin-top: var(--spacing-xs); }
.line-mt-2 { margin-top: var(--spacing-sm); }
.line-mt-3 { margin-top: var(--spacing-md); }
.line-mt-4 { margin-top: var(--spacing-lg); }
.line-mt-5 { margin-top: var(--spacing-xl); }

.line-mb-0 { margin-bottom: 0; }
.line-mb-1 { margin-bottom: var(--spacing-xs); }
.line-mb-2 { margin-bottom: var(--spacing-sm); }
.line-mb-3 { margin-bottom: var(--spacing-md); }
.line-mb-4 { margin-bottom: var(--spacing-lg); }
.line-mb-5 { margin-bottom: var(--spacing-xl); }

.line-hide { display: none !important; }
.line-show { display: block !important; }

/* ====================================
   14. WordPress Admin Bar Fix
   ==================================== */
.logged-in .line-notification,
.logged-in .line-notice-def456 {
    top: 52px; /* Account for admin bar */
}

@media (max-width: 782px) {
    .logged-in .line-notification,
    .logged-in .line-notice-def456 {
        top: 66px; /* Mobile admin bar */
    }
}