:root {
    --primary: #E84393;
    --secondary: #FD79A8;
    --accent: #00B894;
    --bg-dark: #2A0F1E;
    --bg-panel: rgba(42, 15, 30, 0.7);
    --bg-input: rgba(69, 29, 52, 0.5);
    --text-primary: #FFFFFF;
    --text-muted: #FFB8D2;
    --border-color: rgba(232, 67, 147, 0.3);
    --glass-bg: rgba(232, 67, 147, 0.05);
    --glass-border: rgba(253, 121, 168, 0.2);
    --radius: 12px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --shadow-glow: 0 4px 20px rgba(232, 67, 147, 0.15);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(232, 67, 147, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(0, 184, 148, 0.05) 0%, transparent 50%);
}

.app-container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.logo-icon {
    filter: drop-shadow(0 0 8px rgba(232, 67, 147, 0.5));
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
}

.lang-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Input Section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary);
}

.text-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: color 0.2s;
}

.text-btn:hover {
    color: var(--primary);
}

.textarea-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    backdrop-filter: blur(10px);
}

textarea {
    width: 100%;
    height: 300px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 1.25rem;
    resize: vertical;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2), 0 0 0 2px rgba(232, 67, 147, 0.2);
}

textarea::placeholder {
    color: rgba(255, 184, 210, 0.4);
}

.input-actions {
    display: flex;
    justify-content: flex-end;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(232, 67, 147, 0.3);
}

.examples-section {
    margin-top: 2rem;
}

.examples-section h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.example-chips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chip {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.chip:hover {
    background: var(--glass-bg);
    border-color: var(--secondary);
    color: var(--text-primary);
}

/* Results Section */
.result-section {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    height: 100%;
    color: var(--text-muted);
}

.empty-state.active {
    display: flex;
}

.empty-icon {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.results-container {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    animation: fadeIn 0.4s ease;
}

.results-container.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.error-title-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.lang-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 600;
}

#res-title {
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 1.4rem;
    word-break: break-all;
}

.icon-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: rgba(232, 67, 147, 0.15);
    color: var(--text-primary);
}

.card {
    background: var(--bg-input);
    border-radius: 8px;
    padding: 1.25rem;
    border-left: 3px solid transparent;
}

.glass-card {
    border-left-color: var(--primary);
    background: linear-gradient(90deg, var(--glass-bg), transparent);
}

.cause-card {
    border-left-color: #FDCB6E;
}

.fix-card {
    border-left-color: var(--accent);
}

.card h3 {
    font-size: 0.95rem;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.desc-text {
    font-size: 1.05rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

/* Code Block */
.code-block {
    background: #180811;
    border-radius: 6px;
    padding: 1rem;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #a9b7c6;
}

.code-highlight {
    color: var(--accent);
    font-weight: 600;
}

.code-keyword {
    color: var(--primary);
}

.code-string {
    color: #f1fa8c;
}

.code-comment {
    color: #6272a4;
}

/* Documentation Link */
.links-section h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.doc-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: opacity 0.2s;
}

.doc-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Tooltip & Toast */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: #000;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.tooltip:hover::after {
    opacity: 1;
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(232, 67, 147, 0.4);
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.hidden {
    opacity: 0;
    transform: translate(-50%, 20px);
    pointer-events: none;
}