:root {
    --primary-color: #2E86AB;
    --secondary-color: #1B4965;
    --accent-color: #62B6CB;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --light-color: #FFFFFF;
    --dark-color: #1A1A1A;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #6C757D;
    --gray-600: #495057;
    --gray-700: #343A40;
    --gray-800: #212529;
    --border-radius: 12px;
    --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, #2E86AB 0%, #1B4965 100%);
    --gradient-accent: linear-gradient(135deg, #62B6CB 0%, #2E86AB 100%);
    --gradient-light: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
    --gradient-dark: linear-gradient(135deg, #343A40 0%, #212529 100%);
}

.wordcounter-pro-wrapper.dark-mode {
    --light-color: #1A1A1A;
    --dark-color: #FFFFFF;
    --gray-100: #212529;
    --gray-200: #343A40;
    --gray-300: #495057;
    --gray-400: #6C757D;
    --gray-500: #ADB5BD;
    --gray-600: #CED4DA;
    --gray-700: #DEE2E6;
    --gray-800: #E9ECEF;
    --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    --box-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.wordcounter-pro-wrapper {
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.7;
    font-weight: 400;
    transition: var(--transition);
    min-height: 100vh;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.wordcounter-pro-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.wordcounter-pro-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
.wordcounter-pro-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px 0;
}

.wordcounter-pro-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.wordcounter-pro-theme-toggle {
    background: var(--gray-200);
    border: none;
    width: 60px;
    height: 32px;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 5px;
    transition: var(--transition);
}

.wordcounter-pro-theme-toggle::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    transition: var(--transition);
    transform: translateX(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.wordcounter-pro-wrapper.dark-mode .wordcounter-pro-theme-toggle::before {
    transform: translateX(28px);
    background: var(--dark-color);
}

.wordcounter-pro-theme-toggle-icons {
    display: flex;
    width: 100%;
    justify-content: space-between;
    font-size: 14px;
}

.wordcounter-pro-language-switcher {
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-400);
    background-color: var(--light-color);
    color: var(--dark-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.wordcounter-pro-language-switcher:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 134, 171, 0.1);
}

/* Main Content */
.wordcounter-pro-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 1024px) {
    .wordcounter-pro-main-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

/* Input Section */
.wordcounter-pro-input-section {
    display: flex;
    flex-direction: column;
}

.wordcounter-pro-input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.wordcounter-pro-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-color);
}

.wordcounter-pro-text-input-container {
    position: relative;
    flex-grow: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.wordcounter-pro-text-input-container:focus-within {
    box-shadow: var(--box-shadow-hover);
}

.wordcounter-pro-text-input {
    width: 100%;
    min-height: 400px;
    padding: 18px;
    border: none;
    background-color: var(--light-color);
    color: var(--dark-color);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    transition: var(--transition);
}

.wordcounter-pro-text-input:focus {
    outline: none;
}

.wordcounter-pro-input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.wordcounter-pro-word-goal {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.wordcounter-pro-goal-progress {
    width: 120px;
    height: 6px;
    background: var(--gray-300);
    border-radius: 3px;
    overflow: hidden;
}

.wordcounter-pro-goal-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* Button Styles */
.wordcounter-pro-btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.wordcounter-pro-btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.wordcounter-pro-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.wordcounter-pro-btn-secondary {
    background: var(--gray-200);
    color: var(--dark-color);
    border: 1px solid var(--gray-300);
}

.wordcounter-pro-btn-secondary:hover {
    background: var(--gray-300);
}

.wordcounter-pro-btn-group {
    display: flex;
    gap: 10px;
}

/* Stats Section */
.wordcounter-pro-stats-section {
    display: flex;
    flex-direction: column;
}

.wordcounter-pro-stats-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    background: var(--gray-200);
    padding: 5px;
    border-radius: var(--border-radius);
    overflow-x: auto;
}

.wordcounter-pro-tab {
    padding: 10px 16px;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--gray-600);
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    flex: 1;
    text-align: center;
    min-width: 120px;
    white-space: nowrap;
}

.wordcounter-pro-tab.active {
    background: var(--light-color);
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.wordcounter-pro-stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.wordcounter-pro-stat-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 18px;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-300);
}

.wordcounter-pro-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.wordcounter-pro-stat-card.highlight {
    background: var(--gradient-primary);
    color: white;
}

.wordcounter-pro-stat-card.highlight .wordcounter-pro-stat-value,
.wordcounter-pro-stat-card.highlight .wordcounter-pro-stat-label {
    color: white;
}

.wordcounter-pro-stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1;
}

.wordcounter-pro-stat-label {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 500;
}

.wordcounter-pro-stat-trend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 0.75rem;
    margin-top: 8px;
    font-weight: 500;
}

.wordcounter-pro-trend-up {
    color: var(--success-color);
}

.wordcounter-pro-trend-down {
    color: var(--error-color);
}

/* Advanced Stats */
.wordcounter-pro-advanced-stats {
    display: none;
    margin-top: 20px;
}

.wordcounter-pro-advanced-stats.active {
    display: block;
}

.wordcounter-pro-section-subtitle {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.wordcounter-pro-readability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.wordcounter-pro-readability-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 18px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--gray-300);
}

.wordcounter-pro-readability-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.wordcounter-pro-readability-name {
    font-weight: 700;
    color: var(--dark-color);
    font-size: 0.95rem;
}

.wordcounter-pro-readability-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.wordcounter-pro-readability-desc {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.wordcounter-pro-score-bar {
    height: 8px;
    background-color: var(--gray-300);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 5px;
}

.wordcounter-pro-score-fill {
    height: 100%;
    border-radius: 4px;
    transition: var(--transition);
}

.wordcounter-pro-score-easy {
    background: var(--success-color);
}

.wordcounter-pro-score-medium {
    background: var(--warning-color);
}

.wordcounter-pro-score-hard {
    background: var(--error-color);
}

.wordcounter-pro-score-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--gray-600);
}

/* SEO Stats */
.wordcounter-pro-keyword-list {
    margin-top: 15px;
}

.wordcounter-pro-keyword-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-300);
}

.wordcounter-pro-keyword-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wordcounter-pro-keyword-rank {
    font-weight: 700;
    color: var(--primary-color);
    width: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.wordcounter-pro-keyword-text {
    font-weight: 500;
    font-size: 0.9rem;
}

.wordcounter-pro-keyword-stats {
    display: flex;
    align-items: center;
    gap: 10px;
}

.wordcounter-pro-keyword-frequency {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
}

.wordcounter-pro-keyword-percentage {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.wordcounter-pro-progress-bar {
    width: 80px;
    height: 6px;
    background-color: var(--gray-300);
    border-radius: 3px;
    overflow: hidden;
}

.wordcounter-pro-progress-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: 3px;
}

/* Suggestions */
.wordcounter-pro-suggestions-list {
    margin-top: 15px;
}

.wordcounter-pro-suggestion-item {
    padding: 12px;
    margin-bottom: 12px;
    background-color: rgba(46, 134, 171, 0.05);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.wordcounter-pro-suggestion-item:hover {
    background-color: rgba(46, 134, 171, 0.1);
}

.wordcounter-pro-suggestion-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-color);
    font-size: 0.95rem;
}

.wordcounter-pro-suggestion-desc {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Feature Toggles */
.wordcounter-pro-feature-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
    padding: 12px;
    background: var(--gray-200);
    border-radius: var(--border-radius);
}

.wordcounter-pro-toggle-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.wordcounter-pro-toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.wordcounter-pro-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-400);
    transition: var(--transition);
    border-radius: 34px;
}

.wordcounter-pro-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

.wordcounter-pro-toggle-switch input:checked + .wordcounter-pro-slider {
    background-color: var(--primary-color);
}

.wordcounter-pro-toggle-switch input:checked + .wordcounter-pro-slider:before {
    transform: translateX(22px);
}

.wordcounter-pro-toggle-label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
}

/* Export Options */
.wordcounter-pro-export-options {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .wordcounter-pro-container {
        padding: 15px;
    }
    
    .wordcounter-pro-header {
        margin-bottom: 20px;
    }
    
    .wordcounter-pro-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .wordcounter-pro-stats-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 5px;
    }
    
    .wordcounter-pro-tab {
        min-width: 110px;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .wordcounter-pro-stats-container {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
    
    .wordcounter-pro-stat-card {
        padding: 15px;
    }
    
    .wordcounter-pro-stat-value {
        font-size: 1.5rem;
    }
    
    .wordcounter-pro-readability-grid {
        grid-template-columns: 1fr;
    }
    
    .wordcounter-pro-text-input {
        min-height: 300px;
    }
    
    .wordcounter-pro-input-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .wordcounter-pro-btn-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .wordcounter-pro-btn {
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .wordcounter-pro-container {
        padding: 10px;
    }
    
    .wordcounter-pro-stats-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .wordcounter-pro-stat-card {
        padding: 12px;
    }
    
    .wordcounter-pro-stat-value {
        font-size: 1.3rem;
    }
    
    .wordcounter-pro-stat-label {
        font-size: 0.8rem;
    }
    
    .wordcounter-pro-tab {
        min-width: 100px;
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .wordcounter-pro-export-options {
        flex-direction: column;
    }
    
    .wordcounter-pro-btn {
        width: 100%;
    }
}

/* Performance Optimizations */
.wordcounter-pro-performance-optimized {
    will-change: transform;
    backface-visibility: hidden;
}