/**
 * Contador de Caracteres e Palavras - Main Stylesheet
 * Comprehensive styling with light/dark theme support and proper text visibility
 */

/* CSS Custom Properties for Theme Management */
.contador-container {
    --primary: #3498db;
    --primary-hover: #2980b9;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #17a2b8;
    --background: #ffffff;
    --surface: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #95a5a6;
    --border: #dee2e6;
    --shadow: rgba(0, 0, 0, 0.1);
    --textarea-bg: #ffffff;
    --textarea-text: #2c3e50;
    --textarea-placeholder: #6c757d;
    --textarea-border: #ced4da;
    --textarea-focus-border: #3498db;
    --card-bg: #ffffff;
    --stats-bg: #f8f9fa;
    --button-text: #ffffff;
    --notification-bg: #ffffff;
    --notification-border: #dee2e6;
}

/* Dark Theme Variables */
.contador-container.dark-theme {
    --primary: #3498db;
    --primary-hover: #5dade2;
    --success: #2ecc71;
    --warning: #f1c40f;
    --danger: #e74c3c;
    --info: #17a2b8;
    --background: #1a1a1a;
    --surface: #2d3748;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border: #4a5568;
    --shadow: rgba(0, 0, 0, 0.3);
    --textarea-bg: #2d3748;
    --textarea-text: #e2e8f0;
    --textarea-placeholder: #a0aec0;
    --textarea-border: #4a5568;
    --textarea-focus-border: #3498db;
    --card-bg: #2d3748;
    --stats-bg: #1a202c;
    --button-text: #ffffff;
    --notification-bg: #2d3748;
    --notification-border: #4a5568;
}

/* Container and Layout */
.contador-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    transition: all 0.3s ease;
}

/* Header Styles */
.contador-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px var(--shadow);
}

.contador-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.contador-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 15px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.contador-icon {
    font-size: 2.8rem;
    animation: pulse 2s infinite;
}

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

.contador-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
    font-weight: 300;
}

/* Main Content */
.contador-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contador-section {
    margin-bottom: 30px;
}

.contador-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Card Styles */
.contador-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.contador-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--shadow);
}

.contador-card-content {
    padding: 30px;
}

/* Label Styles */
.contador-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.contador-label-icon {
    font-size: 1.2rem;
}

/* Textarea Styles - CRITICAL FIX FOR TEXT VISIBILITY */
.contador-textarea {
    width: 100%;
    min-height: 200px;
    padding: 20px;
    border: 2px solid var(--textarea-border);
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    line-height: 1.6;
    resize: vertical;
    transition: all 0.3s ease;
    box-sizing: border-box;
    
    /* EXPLICIT TEXT COLOR FIXES */
    background-color: var(--textarea-bg) !important;
    color: var(--textarea-text) !important;
    
    /* Fallback colors for better compatibility */
    background: var(--textarea-bg);
}

/* Light theme specific textarea fixes */
.contador-container.light-theme .contador-textarea,
.contador-container:not(.dark-theme) .contador-textarea {
    background-color: #ffffff !important;
    color: #2c3e50 !important;
    border-color: #ced4da;
}

/* Dark theme specific textarea */
.contador-container.dark-theme .contador-textarea {
    background-color: #2d3748 !important;
    color: #e2e8f0 !important;
    border-color: #4a5568;
}

/* Textarea placeholder styling */
.contador-textarea::placeholder {
    color: var(--textarea-placeholder) !important;
    opacity: 0.7;
    font-style: italic;
}

.contador-container.light-theme .contador-textarea::placeholder,
.contador-container:not(.dark-theme) .contador-textarea::placeholder {
    color: #6c757d !important;
}

.contador-container.dark-theme .contador-textarea::placeholder {
    color: #a0aec0 !important;
}

/* Textarea focus states */
.contador-textarea:focus {
    outline: none;
    border-color: var(--textarea-focus-border);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

/* Additional text color fixes for form elements */
.contador-textarea::-webkit-input-placeholder { color: var(--textarea-placeholder) !important; }
.contador-textarea::-moz-placeholder { color: var(--textarea-placeholder) !important; }
.contador-textarea:-ms-input-placeholder { color: var(--textarea-placeholder) !important; }
.contador-textarea:-moz-placeholder { color: var(--textarea-placeholder) !important; }

/* Action Buttons */
.contador-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.contador-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--button-text);
    min-height: 44px;
    box-sizing: border-box;
}

.contador-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    background: var(--primary-hover);
}

.contador-btn:active {
    transform: translateY(0);
}

.contador-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.contador-btn-primary {
    background: var(--primary);
    color: var(--button-text);
}

.contador-btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.contador-btn-outline:hover {
    background: var(--primary);
    color: var(--button-text);
}

.contador-btn-export {
    background: var(--success);
}

.contador-btn-export:hover {
    background: #229954;
}

.contador-btn-translate {
    background: var(--warning);
}

.contador-btn-translate:hover {
    background: #d68910;
}

.contador-btn-share {
    background: var(--info);
}

.contador-btn-share:hover {
    background: #138496;
}

/* Keyboard Shortcuts Info */
.contador-shortcuts {
    margin-top: 20px;
    padding: 15px;
    background: var(--stats-bg);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
}

.contador-shortcuts p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.contador-shortcuts-icon {
    margin-right: 8px;
}

/* Statistics Grid */
.contador-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.contador-stat-card {
    background: var(--stats-bg);
    padding: 25px 20px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contador-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover));
}

.contador-stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.contador-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    display: block;
    animation: countUp 0.5s ease;
}

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

.contador-stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.4;
}

/* Action Groups */
.contador-action-group {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border);
}

.contador-action-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contador-action-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contador-action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* About Section */
.contador-about-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contador-about-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contador-about-content h4 {
    color: var(--text-primary);
    margin: 25px 0 15px 0;
    font-weight: 600;
}

.contador-about-content ul {
    padding-left: 20px;
    margin: 15px 0;
}

.contador-about-content li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.contador-privacy-note {
    background: rgba(52, 152, 219, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border-left: 4px solid var(--primary);
}

.contador-privacy-note span:first-child {
    font-size: 1.2rem;
    margin-top: 2px;
}

/* Footer */
.contador-footer {
    margin-top: 50px;
    padding: 30px 0;
    border-top: 2px solid var(--border);
    text-align: center;
}

.contador-social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.contador-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.contador-social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.3);
    background: var(--primary-hover);
}

.contador-copyright {
    color: var(--text-muted);
    margin: 0;
    font-size: 14px;
}

/* Theme Toggle */
#contador-theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow);
    z-index: 1000;
}

#contador-theme-toggle:hover {
    transform: scale(1.1);
    background: var(--primary-hover);
}

/* Notifications */
.contador-notification {
    position: fixed;
    top: 80px;
    right: 20px;
    max-width: 400px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 10px 30px var(--shadow);
    z-index: 1001;
    animation: slideIn 0.3s ease;
    background: var(--notification-bg);
    border: 1px solid var(--notification-border);
    color: var(--text-primary);
}

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

.contador-notification-success {
    border-left: 4px solid var(--success);
}

.contador-notification-warning {
    border-left: 4px solid var(--warning);
}

.contador-notification-error {
    border-left: 4px solid var(--danger);
}

.contador-notification-info {
    border-left: 4px solid var(--info);
}

.contador-notification-content {
    margin-right: 30px;
}

.contador-notification-content strong {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.contador-notification-content p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

.contador-notification-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .contador-container {
        padding: 15px;
    }
    
    .contador-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .contador-icon {
        font-size: 2.2rem;
    }
    
    .contador-subtitle {
        font-size: 1rem;
    }
    
    .contador-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .contador-stat-value {
        font-size: 2rem;
    }
    
    .contador-actions {
        flex-direction: column;
    }
    
    .contador-btn {
        width: 100%;
        justify-content: center;
    }
    
    .contador-action-buttons {
        flex-direction: column;
    }
    
    .contador-social-links {
        gap: 15px;
    }
    
    .contador-social-link {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    #contador-theme-toggle {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .contador-notification {
        top: 70px;
        right: 15px;
        left: 15px;
        max-width: none;
    }
    
    .contador-card-content {
        padding: 20px;
    }
    
    .contador-textarea {
        min-height: 150px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

@media (max-width: 480px) {
    .contador-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contador-header {
        padding: 20px 15px;
    }
    
    .contador-title {
        font-size: 1.8rem;
    }
    
    .contador-textarea {
        padding: 15px;
    }
    
    .contador-shortcuts {
        padding: 12px;
    }
    
    .contador-shortcuts p {
        font-size: 13px;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .contador-container {
        --border: #000000;
        --shadow: rgba(0, 0, 0, 0.5);
    }
    
    .contador-textarea {
        border-width: 3px;
    }
    
    .contador-btn {
        border: 2px solid transparent;
    }
    
    .contador-btn:focus {
        border-color: #000000;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .contador-icon {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .contador-container {
        background: white;
        color: black;
        box-shadow: none;
    }
    
    .contador-header {
        background: none;
        color: black;
    }
    
    .contador-btn,
    #contador-theme-toggle,
    .contador-notification {
        display: none;
    }
    
    .contador-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Focus Indicators for Accessibility */
.contador-btn:focus,
.contador-textarea:focus,
#contador-theme-toggle:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Screen Reader Only Content */
.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;
}