:root {
    --bg-base: #0a0a0c;
    --bg-panel: #141417;
    --bg-surface: #1e1e24;
    --bg-hover: #2a2a35;
    --text-main: #f0f0f5;
    --text-muted: #888899;
    --border-color: #2a2a35;

    --accent: #5c6bc0;
    --accent-hover: #7986cb;

    --color-comment: #6272a4;
    --color-rule: #f8f8f2;
    --color-negation: #ffb86c;
    --color-dir: #8be9fd;
    --color-wildcard: #ff79c6;

    --sim-match: #50fa7b;
    --sim-miss: #ff5555;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* --- SIDEBAR --- */
.sidebar {
    width: 360px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--accent);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

.search-bar {
    margin: 20px;
    position: relative;
}

.search-bar svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-bar input {
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 10px 10px 38px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent);
}

.presets-section,
.templates-section,
.custom-section {
    padding: 0 20px 20px;
}

h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.preset-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.preset-chip {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.preset-chip:hover,
.preset-chip.active {
    background-color: var(--bg-hover);
    color: var(--text-main);
    border-color: var(--accent);
}

.tags-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.tag-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-main);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.tag-btn:hover {
    background-color: var(--bg-hover);
}

.tag-btn.selected {
    background-color: rgba(92, 107, 192, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.tag-btn.selected::after {
    content: "✓";
    font-weight: bold;
}

#custom-rules {
    width: 100%;
    height: 120px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-main);
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    resize: vertical;
}

#custom-rules:focus {
    outline: none;
    border-color: var(--accent);
}

/* --- CONSOLE (RIGHT) --- */
.console {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

.console-header {
    height: 65px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    background-color: var(--bg-panel);
}

.tabs {
    display: flex;
    gap: 10px;
}

.tab {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--text-main);
    background-color: var(--bg-surface);
}

.tab.active {
    color: var(--accent);
    background-color: rgba(92, 107, 192, 0.1);
}

.actions {
    display: flex;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
}

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

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

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

.console-body {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.view-panel {
    display: none;
    width: 100%;
    height: 100%;
}

.view-panel.active {
    display: block;
}

/* Editor View */
.editor-wrap {
    display: flex;
    height: 100%;
    overflow: auto;
    background-color: var(--bg-base);
}

.line-numbers {
    padding: 20px 10px;
    text-align: right;
    color: var(--text-muted);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    border-right: 1px solid var(--border-color);
    user-select: none;
    min-width: 50px;
}

.code-area {
    flex: 1;
    padding: 20px;
    margin: 0;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-rule);
    white-space: pre;
    overflow-x: auto;
}

/* Syntax Highlighting */
.stx-comment {
    color: var(--color-comment);
    font-style: italic;
}

.stx-negation {
    color: var(--color-negation);
    font-weight: bold;
}

.stx-dir {
    color: var(--color-dir);
}

.stx-wildcard {
    color: var(--color-wildcard);
}

.stx-blank {
    display: inline-block;
    width: 100%;
}

/* Header Comments block */
.stx-header {
    color: var(--accent);
    font-weight: 600;
    display: block;
    margin-top: 10px;
    margin-bottom: 5px;
}

.stx-header:first-child {
    margin-top: 0;
}

/* Simulator View */
#view-simulator {
    padding: 40px;
    background-color: var(--bg-base);
    overflow-y: auto;
}

.sim-header {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: center;
}

.sim-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.sim-header p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.sim-input-group {
    display: flex;
    align-items: center;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    focus-within: border-color: var(--accent);
}

.sim-prefix {
    padding: 16px;
    color: var(--text-muted);
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

.sim-input-group input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 16px;
    color: var(--text-main);
    font-family: 'Fira Code', monospace;
    font-size: 1rem;
}

.sim-input-group input:focus {
    outline: none;
}

.sim-results {
    max-width: 600px;
    margin: 0 auto;
}

.sim-idle {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
}

.sim-match-box {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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

.sim-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.sim-status.ignored {
    background-color: rgba(255, 85, 85, 0.1);
    color: var(--sim-miss);
    border: 1px solid rgba(255, 85, 85, 0.2);
}

.sim-status.tracked {
    background-color: rgba(80, 250, 123, 0.1);
    color: var(--sim-match);
    border: 1px solid rgba(80, 250, 123, 0.2);
}

.sim-match-details h4 {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sim-rule-blame {
    background-color: var(--bg-surface);
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 3px solid var(--sim-miss);
    font-family: 'Fira Code', monospace;
    margin-bottom: 16px;
}

.sim-rule-blame.exception {
    border-left-color: var(--sim-match);
}

.sim-rule-source {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Footer */
.console-footer {
    height: 30px;
    background-color: var(--bg-panel);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.status-bar {
    display: flex;
    gap: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Fira Code', monospace;
}

/* Toast */
.toast {
    position: fixed;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-main);
    color: var(--bg-base);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: bottom 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.toast.show {
    bottom: 40px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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