:root {
  --bg: #0d0d0f;
  --panel: #111417;
  --text: #e4e4ea;
  --accent: #ff2fd5;  /* pink */
  --accent2: #8c40ff; /* purple */
  --accent3: #ffd86b; /* gold */
  --border: #2a2a2e;
  --hover: #1a1a1f;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  overflow: hidden;
}

#app {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==================== NAVBAR ==================== */
#navbar {
  background: var(--panel);
  border-bottom: 2px solid var(--accent);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-right {
  display: flex;
  gap: 0.75rem;
}

.nav-btn {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--accent2);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.nav-btn:hover {
  background: var(--accent2);
  transform: translateY(-1px);
}

.nav-btn.danger {
  border-color: #ff4444;
}

.nav-btn.danger:hover {
  background: #ff4444;
}

/* ==================== LAYOUT ==================== */
#layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#sidebar {
  width: 300px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 1.5rem;
  overflow-y: auto;
  flex-shrink: 0;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent3);
}

#load-btn {
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
}

#load-btn:hover {
  transform: scale(1.02);
}

#load-btn:active {
  transform: scale(0.98);
}

/* ==================== VIEWER ==================== */
#viewer {
  flex: 1;
  background: var(--bg);
  padding: 2rem;
  overflow-y: auto;
}

.empty {
  text-align: center;
  color: #888;
  font-size: 1.2rem;
  margin-top: 3rem;
}

.error {
  background: #ff444420;
  border: 1px solid #ff4444;
  color: #ff8888;
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

/* ==================== JSON TREE ==================== */
.json-container {
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}

.json-line {
  display: flex;
  align-items: flex-start;
  padding: 0.2rem 0;
  position: relative;
}

.json-line:hover {
  background: var(--hover);
}

.json-indent {
  display: inline-block;
  width: 20px;
  flex-shrink: 0;
}

.json-key {
  color: var(--accent);
  margin-right: 0.5rem;
  font-weight: 500;
}

.json-value {
  color: var(--text);
}

.json-value.string {
  color: var(--accent3);
}

.json-value.number {
  color: #6be;
}

.json-value.boolean {
  color: #e6a;
}

.json-value.null {
  color: #999;
}

.json-expand {
  cursor: pointer;
  user-select: none;
  margin-right: 0.5rem;
  color: var(--accent2);
  font-weight: bold;
  width: 16px;
  display: inline-block;
  text-align: center;
}

.json-expand:hover {
  color: var(--accent);
}

.json-collapsed {
  color: #888;
  font-style: italic;
}

/* ==================== BREADCRUMBS ==================== */
.breadcrumbs {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border-radius: 6px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.breadcrumb {
  color: var(--accent2);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: background 0.2s;
}

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

.breadcrumb-separator {
  color: #666;
  user-select: none;
}

.breadcrumb.active {
  color: var(--text);
  cursor: default;
}

.breadcrumb.active:hover {
  background: transparent;
  color: var(--text);
}

/* ==================== STATS ==================== */
.stats-panel {
  background: var(--panel);
  border-radius: 6px;
  padding: 1rem;
  margin-top: 1rem;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.stat-item:last-child {
  border-bottom: none;
}

.stat-label {
  color: #999;
}

.stat-value {
  color: var(--accent3);
  font-weight: 600;
}

/* ==================== FILTER PANEL ==================== */
.filter-box {
  margin-top: 2rem;
}

.filter-box h3 {
  margin-top: 0;
  color: var(--accent3);
}

.filter-box label {
  display: block;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: #aaa;
  font-size: 0.9rem;
}

.filter-box input,
.filter-box select {
  width: 100%;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-size: 0.9rem;
}

.filter-box input:focus,
.filter-box select:focus {
  outline: none;
  border-color: var(--accent2);
}

.apply-btn {
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--accent2);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}

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

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent2);
}