/* ============================================
   LOG FILE VIEWER - STYLES
   Amber/Orange Theme
   ============================================ */

/* ============================================
   CSS VARIABLES - THEME SYSTEM
   ============================================ */
:root {
    /* Primary Colors - Amber/Orange */
    --primary-color: #F59E0B;
    --primary-dark: #D97706;
    --primary-light: #FEF3C7;
    --primary-gradient: linear-gradient(135deg, #F59E0B, #D97706);
    
    /* Background Colors */
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-secondary: #F1F5F9;
    --bg-tertiary: #E2E8F0;
    --bg-viewer: #1E1E1E;
    
    /* Text Colors */
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    --text-viewer: #D4D4D4;
    
    /* Border Colors */
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    --border-focus: #F59E0B;
    
    /* Log Level Colors */
    --level-error: #EF4444;
    --level-error-bg: rgba(239, 68, 68, 0.15);
    --level-warn: #F59E0B;
    --level-warn-bg: rgba(245, 158, 11, 0.15);
    --level-info: #3B82F6;
    --level-info-bg: rgba(59, 130, 246, 0.15);
    --level-debug: #6B7280;
    --level-debug-bg: rgba(107, 114, 128, 0.15);
    --level-trace: #9CA3AF;
    --level-trace-bg: rgba(156, 163, 175, 0.15);
    
    /* Status Colors */
    --success-color: #10B981;
    --success-bg: #D1FAE5;
    --error-color: #EF4444;
    --error-bg: #FEE2E2;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    
    /* Viewer specific */
    --line-number-bg: #252526;
    --line-number-text: #858585;
    --line-number-width: 60px;
    --viewer-font: 'Consolas', 'Monaco', 'Courier New', monospace;
    --viewer-line-height: 1.6;
    
    /* Timestamp color */
    --timestamp-color: #6A9955;
    
    /* Search highlight */
    --search-highlight: #FFEB3B;
    --search-current: #FF9800;
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"] {
    --bg-main: #0F172A;
    --bg-card: #1E293B;
    --bg-secondary: #334155;
    --bg-tertiary: #475569;
    --bg-viewer: #0D1117;
    
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-light: #64748B;
    --text-viewer: #E6EDF3;
    
    --border-color: #334155;
    --border-light: #1E293B;
    
    --primary-light: rgba(245, 158, 11, 0.2);
    
    --level-error-bg: rgba(239, 68, 68, 0.2);
    --level-warn-bg: rgba(245, 158, 11, 0.2);
    --level-info-bg: rgba(59, 130, 246, 0.2);
    --level-debug-bg: rgba(107, 114, 128, 0.2);
    --level-trace-bg: rgba(156, 163, 175, 0.2);
    
    --success-bg: rgba(16, 185, 129, 0.2);
    --error-bg: rgba(239, 68, 68, 0.2);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    
    --line-number-bg: #161B22;
    --line-number-text: #6E7681;
    
    --timestamp-color: #7EE787;
    
    --search-highlight: rgba(255, 235, 59, 0.4);
    --search-current: rgba(255, 152, 0, 0.6);
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ============================================
   TOOL CONTAINER
   ============================================ */
.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ============================================
   HEADER
   ============================================ */
.tool-header {
    text-align: center;
    margin-bottom: 30px;
}

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.tool-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.tool-icon-wrapper.log-theme {
    background: var(--primary-gradient);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.tool-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.tool-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   MAIN TOOL AREA
   ============================================ */
.tool-main {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    transition: background-color var(--transition-normal);
}

/* ============================================
   UPLOAD SECTION
   ============================================ */
.upload-section {
    margin-bottom: 0;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--bg-secondary);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.upload-icon {
    color: var(--primary-color);
    opacity: 0.8;
}

.upload-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.upload-subtitle {
    color: var(--text-muted);
    margin: 0;
}

.upload-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.btn-toolbar {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 8px 12px;
    border: 1px solid var(--border-color);
}

.btn-toolbar:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-toolbar.active {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-sm {
    padding: 6px 10px;
}

.btn-browse {
    margin-top: 10px;
}

/* ============================================
   VIEWER SECTION
   ============================================ */
.viewer-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* File Info Bar */
.file-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.file-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-info-item i {
    color: var(--primary-color);
}

/* ============================================
   TOOLBAR
   ============================================ */
.viewer-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.toolbar-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

/* Filter Dropdown */
.filter-dropdown {
    position: relative;
}

.filter-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 5px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    min-width: 160px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: none;
}

.filter-menu.show {
    display: block;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: background var(--transition-fast);
}

.filter-option:hover {
    background: var(--bg-secondary);
}

.filter-option input {
    cursor: pointer;
}

/* Level Badges */
.level-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.level-badge.all {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.level-badge.error {
    background: var(--level-error-bg);
    color: var(--level-error);
}

.level-badge.warn {
    background: var(--level-warn-bg);
    color: var(--level-warn);
}

.level-badge.info {
    background: var(--level-info-bg);
    color: var(--level-info);
}

.level-badge.debug {
    background: var(--level-debug-bg);
    color: var(--level-debug);
}

.level-badge.trace {
    background: var(--level-trace-bg);
    color: var(--level-trace);
}

.level-badge.other {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 12px;
    min-width: 280px;
    transition: border-color var(--transition-fast);
}

.search-box:focus-within {
    border-color: var(--primary-color);
}

.search-box i {
    color: var(--text-light);
}

.search-box input {
    flex: 1;
    border: none;
    background: none;
    font-size: 0.9rem;
    color: var(--text-primary);
    outline: none;
    min-width: 100px;
}

.search-box input::placeholder {
    color: var(--text-light);
}

.search-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.search-nav,
.search-clear {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-light);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.search-nav:hover,
.search-clear:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Go to Line */
.goto-line {
    display: flex;
    align-items: center;
    gap: 5px;
}

.goto-line input {
    width: 80px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
}

.goto-line input:focus {
    border-color: var(--primary-color);
}

.goto-line input::-webkit-inner-spin-button,
.goto-line input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ============================================
   LEVEL STATS
   ============================================ */
.level-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 0;
}

.stat-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.stat-chip.error {
    background: var(--level-error-bg);
    color: var(--level-error);
}

.stat-chip.warn {
    background: var(--level-warn-bg);
    color: var(--level-warn);
}

.stat-chip.info {
    background: var(--level-info-bg);
    color: var(--level-info);
}

.stat-chip.debug {
    background: var(--level-debug-bg);
    color: var(--level-debug);
}

.stat-chip.trace {
    background: var(--level-trace-bg);
    color: var(--level-trace);
}

.stat-chip:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   LOG VIEWER
   ============================================ */
.log-viewer-wrapper {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.log-viewer {
    display: flex;
    background: var(--bg-viewer);
    min-height: 400px;
    max-height: 600px;
    overflow: auto;
    font-family: var(--viewer-font);
    font-size: 13px;
    line-height: var(--viewer-line-height);
}

.log-viewer.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: none;
    z-index: 9999;
    border-radius: 0;
}

/* Line Numbers */
.line-numbers {
    flex-shrink: 0;
    width: var(--line-number-width);
    background: var(--line-number-bg);
    color: var(--line-number-text);
    text-align: right;
    padding: 10px 0;
    user-select: none;
    border-right: 1px solid var(--border-color);
}

.line-number {
    display: block;
    padding: 0 12px 0 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.line-number:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
}

.line-number.active {
    background: rgba(245, 158, 11, 0.2);
    color: var(--primary-color);
}

/* Log Content */
.log-content {
    flex: 1;
    padding: 10px 15px;
    color: var(--text-viewer);
    overflow-x: auto;
}

.log-content.wrap-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.log-content:not(.wrap-text) {
    white-space: pre;
}

/* Log Lines */
.log-line {
    display: block;
    padding: 0 5px;
    border-radius: 2px;
    transition: background var(--transition-fast);
}

.log-line:hover {
    background: rgba(255, 255, 255, 0.03);
}

.log-line.hidden {
    display: none;
}

/* Log Level Styling */
.log-line.level-error {
    color: var(--level-error);
}

.log-line.level-warn {
    color: var(--level-warn);
}

.log-line.level-info {
    color: var(--level-info);
}

.log-line.level-debug {
    color: var(--level-debug);
}

.log-line.level-trace {
    color: var(--level-trace);
}

/* Timestamp Highlighting */
.timestamp {
    color: var(--timestamp-color);
}

.log-viewer.highlight-timestamps .timestamp {
    background: rgba(106, 153, 85, 0.15);
    padding: 0 2px;
    border-radius: 2px;
}

/* Search Highlighting */
.search-match {
    background: var(--search-highlight);
    color: #000;
    border-radius: 2px;
    padding: 0 1px;
}

.search-match.current {
    background: var(--search-current);
}

/* ============================================
   ACTION BAR
   ============================================ */
.action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    margin-top: 15px;
}

/* ============================================
   PROGRESS & ERROR
   ============================================ */
.progress-container {
    padding: 30px;
    text-align: center;
}

.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width var(--transition-normal);
    border-radius: 3px;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.error-message {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--error-bg);
    color: var(--error-color);
    border-radius: 8px;
    margin-top: 20px;
}

.error-message i {
    flex-shrink: 0;
}

.error-message span {
    flex: 1;
}

.error-close {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background var(--transition-fast);
}

.error-close:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* ============================================
   RELATED TOOLS
   ============================================ */
.related-tools {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

.related-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.related-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.related-link:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* ============================================
   INFO SECTIONS
   ============================================ */
.info-sections {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 25px 30px;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-normal);
}

.info-card h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.info-card h2 i {
    color: var(--primary-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 10px;
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Formats Grid */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 15px;
}

.format-item {
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.format-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.format-tag.apache {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.format-tag.syslog {
    background: rgba(59, 130, 246, 0.15);
    color: #3B82F6;
}

.format-tag.app {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.format-tag.custom {
    background: rgba(139, 92, 246, 0.15);
    color: #8B5CF6;
}

.format-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* Steps List */
.steps-list {
    list-style: none;
    counter-reset: step;
}

.steps-list li {
    position: relative;
    padding-left: 50px;
    margin-bottom: 15px;
    counter-increment: step;
}

.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.steps-list li:last-child {
    margin-bottom: 0;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--bg-secondary);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-question i {
    color: var(--text-muted);
    transition: transform var(--transition-normal);
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 15px 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 10000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.success i {
    color: var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast.error i {
    color: var(--error-color);
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
.log-viewer::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.log-viewer::-webkit-scrollbar-track {
    background: var(--line-number-bg);
}

.log-viewer::-webkit-scrollbar-thumb {
    background: var(--text-light);
    border-radius: 6px;
    border: 3px solid var(--line-number-bg);
}

.log-viewer::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 900px) {
    .tool-container {
        padding: 15px;
    }
    
    .tool-title {
        font-size: 1.8rem;
    }
    
    .viewer-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .toolbar-group {
        justify-content: center;
    }
    
    .search-box {
        min-width: 100%;
    }
}

@media (max-width: 768px) {
    .tool-main {
        padding: 20px;
    }
    
    .upload-area {
        padding: 30px 20px;
    }
    
    .upload-title {
        font-size: 1.2rem;
    }
    
    .file-info-bar {
        flex-direction: column;
        gap: 10px;
    }
    
    .level-stats {
        justify-content: center;
    }
    
    .log-viewer {
        min-height: 300px;
        max-height: 400px;
        font-size: 12px;
    }
    
    .line-numbers {
        width: 45px;
    }
    
    .action-bar {
        flex-direction: column;
    }
    
    .action-bar .btn {
        width: 100%;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .related-tools {
        flex-direction: column;
        text-align: center;
    }
    
    .related-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .tool-title-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .tool-icon-wrapper {
        width: 50px;
        height: 50px;
    }
    
    .tool-title {
        font-size: 1.5rem;
    }
    
    .tool-description {
        font-size: 1rem;
    }
    
    .toolbar-group {
        flex-direction: column;
        width: 100%;
    }
    
    .goto-line {
        width: 100%;
    }
    
    .goto-line input {
        flex: 1;
    }
    
    .btn-toolbar {
        flex: 1;
    }
    
    .toast {
        left: 15px;
        right: 15px;
        bottom: 15px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .tool-header,
    .upload-section,
    .viewer-toolbar,
    .level-stats,
    .action-bar,
    .related-tools,
    .info-sections,
    .toast {
        display: none !important;
    }
    
    .tool-main {
        box-shadow: none;
        padding: 0;
    }
    
    .log-viewer {
        max-height: none;
        border: 1px solid #ccc;
    }
    
    .log-content {
        white-space: pre-wrap;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.viewer-section {
    animation: fadeIn 0.3s ease;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading .progress {
    animation: pulse 1.5s ease infinite;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}