:root {
    --primary: #00B894;
    --primary-dim: rgba(0, 184, 148, 0.15);
    --secondary: #55EFC4;
    --secondary-dim: rgba(85, 239, 196, 0.15);
    --accent: #FDCB6E;
    --accent-dim: rgba(253, 203, 110, 0.15);
    --success: #00B894;
    --success-dim: rgba(0, 184, 148, 0.15);
    --warning: #FDCB6E;
    --warning-dim: rgba(253, 203, 110, 0.15);
    --danger: #E17055;
    --danger-dim: rgba(225, 112, 85, 0.15);
    --info: #74B9FF;
    --info-dim: rgba(116, 185, 255, 0.15);
    --debug: #636E72;
    --debug-dim: rgba(99, 110, 114, 0.15);
    --fatal: #D63031;
    --fatal-dim: rgba(214, 48, 49, 0.15);

    --bg-primary: #0A1F1C;
    --bg-secondary: #0E2A26;
    --bg-elevated: #143632;
    --bg-card: rgba(20, 54, 50, 0.7);
    --bg-input: rgba(10, 31, 28, 0.9);

    --text-primary: #E0F2EF;
    --text-secondary: #7FAEA6;
    --text-muted: #3E6B63;

    --border: rgba(127, 174, 166, 0.1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    --glass-bg: rgba(20, 54, 50, 0.6);
    --glass-border: rgba(127, 174, 166, 0.08);
    --glass-blur: 16px;
    --shadow-glow: 0 0 20px rgba(0, 184, 148, 0.15);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 5%, rgba(0, 184, 148, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 95%, rgba(85, 239, 196, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 31, 28, 0.9);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

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

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--primary-dim);
    border: 1px solid rgba(0, 184, 148, 0.2);
}

.app-title {
    font-size: 1.125rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #00A381);
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 184, 148, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(0, 184, 148, 0.45);
    transform: translateY(-1px);
}

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

.btn-ghost:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.6875rem;
}

.format-select {
    padding: 7px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    outline: none;
}

.format-select:focus {
    border-color: var(--primary);
}

.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.12);
}

.panel-title {
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-editor {
    width: 100%;
    min-height: 200px;
    padding: 14px 16px;
    background: var(--bg-input);
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    resize: vertical;
    outline: none;
    white-space: pre;
}

.code-editor::placeholder {
    color: var(--text-muted);
}

.code-editor:focus {
    box-shadow: inset 0 0 0 1px var(--primary);
}

.detected-format {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

#format-badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.6875rem;
    background: var(--primary-dim);
    color: var(--primary);
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.summary-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 14px;
    text-align: center;
    transition: all var(--transition-base);
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.summary-label {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.mapper-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 16px;
}

.section-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mapper-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.mapper-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 6px;
    align-items: center;
}

.mapper-input {
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    outline: none;
}

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

.mapper-arrow {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: center;
}

.output-area {
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 500px;
    overflow: auto;
    background: var(--bg-input);
}

.log-line {
    padding: 2px 0;
    border-left: 3px solid transparent;
    padding-left: 8px;
}

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

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

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

.log-line.level-error {
    border-color: var(--danger);
}

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

.level-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-right: 4px;
}

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

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

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

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

.level-badge.fatal {
    background: var(--fatal-dim);
    color: var(--fatal);
}

.output-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.output-table th {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 2px solid var(--border);
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
}

.output-table td {
    padding: 6px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.output-table tr:hover td {
    background: rgba(0, 184, 148, 0.04);
}

.app-footer {
    text-align: center;
    padding: 14px;
    font-size: 0.7rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .mapper-grid {
        grid-template-columns: 1fr;
    }

    .mapper-arrow {
        display: none;
    }
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(127, 174, 166, 0.2);
    border-radius: 3px;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

::selection {
    background: rgba(0, 184, 148, 0.3);
}