:root {
    --color-primary: #E10098;
    --color-primary-hover: #c40084;
    --bg-dark: #0D1117;
    --bg-panel: #161B22;
    --bg-input: #010409;
    --border-color: #30363D;
    --text-primary: #C9D1D9;
    --text-muted: #8B949E;

    --syntax-keyword: #FF7B72;
    --syntax-type: #79C0FF;
    --syntax-string: #A5D6FF;

    --diff-add-bg: rgba(63, 185, 80, 0.15);
    --diff-add-text: #3fb950;
    --diff-remove-bg: rgba(248, 81, 73, 0.15);
    --diff-remove-text: #f85149;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header & Navigation */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    height: 60px;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.tabs {
    display: flex;
    height: 100%;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0 1.25rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Core Layout */
.app-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.tab-panel {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    flex-direction: column;
}

.tab-panel.active {
    display: flex;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.alt-header {
    margin-top: 1rem;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

/* UI Components */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    border: 1px solid var(--color-primary);
}

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

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

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

.icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

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

.code-editor {
    flex: 1;
    width: 100%;
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    outline: none;
}

.code-editor:focus {
    border-color: var(--color-primary);
}

.code-editor.readonly {
    background-color: var(--bg-panel);
}

.small-editor {
    flex: none;
    height: 120px;
}

.mono-input {
    width: 100%;
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    outline: none;
}

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

.status-bar {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.empty-state,
.empty-state-large {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

.empty-state-large {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}

/* Browser Layout */
.browser-layout {
    display: flex;
    height: 100%;
    gap: 1.5rem;
}

.sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.search-box {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.type-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
}

.type-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--syntax-type);
    border-bottom: 1px solid var(--border-color);
}

.type-item:hover,
.type-item.active {
    background-color: rgba(225, 0, 152, 0.1);
}

.main-view {
    flex: 1;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    overflow-y: auto;
    font-family: 'Fira Code', monospace;
}

/* Detail view styling */
.type-detail h3 {
    color: var(--color-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.field-row {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-color);
}

.field-name {
    color: var(--text-primary);
}

.field-colon {
    color: var(--text-muted);
    margin: 0 0.5rem;
}

.field-type {
    color: var(--syntax-type);
    cursor: pointer;
    transition: color 0.2s;
}

.field-type:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.field-args {
    color: var(--syntax-string);
}

/* Graph Config */
.graph-container {
    flex: 1;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

#graph-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Query Layout */
.query-layout,
.diff-layout {
    display: flex;
    height: 100%;
    gap: 1.5rem;
}

.query-editor-pane,
.query-results-pane,
.diff-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.endpoint-config {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Modal */
.modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 600px;
    max-width: 90%;
    height: 400px;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.modal-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 0.5rem 0;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.modal-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Diff Results */
.diff-results {
    height: 200px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 1rem;
    padding: 1rem;
    overflow-y: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
}

.diff-add {
    color: var(--diff-add-text);
    background: var(--diff-add-bg);
}

.diff-remove {
    color: var(--diff-remove-text);
    background: var(--diff-remove-bg);
}