/* Neo-Brutalism Theme */
:root {
    --color-bg: #FAFAFA;
    --color-text: #000000;
    --color-primary: #FF6B6B;
    --color-secondary: #4ECDC4;
    --color-accent: #FFE66D;
    --color-danger: #FF006E;
    --color-success: #06FFA5;
    --color-border: #000000;
    --shadow: 8px 8px 0px rgba(0, 0, 0, 1);
    --shadow-hover: 12px 12px 0px rgba(0, 0, 0, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', monospace;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    padding: 20px;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 900;
    border: 3px solid var(--color-border);
    z-index: 100;
}

.skip-to-content:focus {
    top: 10px;
    left: 10px;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: var(--color-accent);
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
    transform: rotate(-1deg);
}

.title {
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 10px;
    text-shadow: 4px 4px 0px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
}

.init-status {
    margin-top: 15px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 3px solid var(--color-border);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* Controls Section */
.controls-section {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    padding: 30px;
    background: white;
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
}

.control-group {
    flex: 1;
    min-width: 200px;
}

.control-label {
    display: block;
    font-weight: 900;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.control-select {
    width: 100%;
    padding: 12px;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 700;
    border: 4px solid var(--color-border);
    background: var(--color-bg);
    cursor: pointer;
    text-transform: uppercase;
}

.control-select:focus {
    outline: none;
    background: var(--color-accent);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-checkbox {
    width: 24px;
    height: 24px;
    border: 4px solid var(--color-border);
    cursor: pointer;
}

.control-checkbox + label {
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
}

/* Buttons */
.btn {
    padding: 14px 28px;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 900;
    text-transform: uppercase;
    border: 4px solid var(--color-border);
    cursor: pointer;
    box-shadow: 6px 6px 0px rgba(0, 0, 0, 1);
    transition: all 0.1s ease;
    letter-spacing: 1px;
}

.btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 1);
}

.btn:active {
    transform: translate(4px, 4px);
    box-shadow: 2px 2px 0px rgba(0, 0, 0, 1);
}

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

.btn-secondary {
    background: var(--color-secondary);
    color: white;
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

/* Converter Grid */
.converter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 968px) {
    .converter-grid {
        grid-template-columns: 1fr;
    }
}

.input-panel, .output-panel {
    background: white;
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--color-secondary);
    border-bottom: 5px solid var(--color-border);
}

.output-panel .panel-header {
    background: var(--color-primary);
}

.panel-title {
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: white;
}

.token-badge {
    padding: 8px 16px;
    background: white;
    border: 3px solid var(--color-border);
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.code-area {
    flex: 1;
    min-height: 400px;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    border: none;
    resize: vertical;
    background: var(--color-bg);
}

.code-area:focus {
    outline: none;
    background: white;
}

.action-buttons {
    display: flex;
    gap: 10px;
    padding: 20px;
    background: var(--color-bg);
    border-top: 5px solid var(--color-border);
}

.action-buttons .btn {
    flex: 1;
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.stat-card {
    padding: 40px;
    background: var(--color-success);
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
    text-align: center;
    transform: rotate(1deg);
}

.stat-card:nth-child(even) {
    transform: rotate(-1deg);
}

.stat-value {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 3px 3px 0px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 1rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.info-card {
    padding: 30px;
    background: white;
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
}

.info-card:nth-child(1) {
    background: #FFE5E5;
}

.info-card:nth-child(2) {
    background: #E5F9F7;
}

.info-card:nth-child(3) {
    background: #FFF9E5;
}

.info-title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.info-card p {
    font-size: 1rem;
    line-height: 1.8;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    background: var(--color-border);
    color: white;
    border: 5px solid var(--color-border);
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 30px;
}

.footer-nav {
    margin: 15px 0;
}

.footer-links {
    margin: 10px 0;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--color-accent);
    text-decoration: underline;
}

.footer-copyright {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.9;
}

/* SEO Content Section */
.seo-content {
    margin: 40px 0;
    padding: 40px;
    background: white;
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
}

.seo-article {
    margin-bottom: 40px;
}

.seo-article:last-child {
    margin-bottom: 0;
}

.seo-article h2 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.seo-article p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

.seo-article ul {
    margin: 20px 0;
    padding-left: 40px;
}

.seo-article li {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 10px;
}

.seo-article strong {
    font-weight: 900;
    color: var(--color-primary);
}

.seo-article mark {
    background: var(--color-accent);
    padding: 2px 6px;
    font-weight: 900;
}

.seo-article abbr {
    text-decoration: none;
    border-bottom: 2px dotted var(--color-border);
    cursor: help;
}

/* Notification */
.notification {
    position: fixed;
    top: 30px;
    right: 30px;
    padding: 20px 30px;
    background: var(--color-success);
    border: 5px solid var(--color-border);
    box-shadow: var(--shadow);
    font-weight: 900;
    text-transform: uppercase;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.notification.hidden {
    display: none;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .controls-section {
        flex-direction: column;
    }
    
    .control-group {
        min-width: 100%;
    }
    
    .stat-value {
        font-size: 2.5rem;
    }
}