:root {
  --bg: #0f1216;
  --bg-elevated: #171b21;
  --bg-panel: #1b2028;
  --border: #2a3038;
  --text: #e7ebf0;
  --text-dim: #8b95a3;
  --text-faint: #5a6472;
  --accent: #6c9fff;
  --accent-text: #0b1220;
  --danger: #ff6b6b;
  --success: #4fd1a5;
  --radius: 10px;
  --shadow: 0 8px 30px rgba(0,0,0,0.35);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="light"] {
  --bg: #f4f5f7;
  --bg-elevated: #ffffff;
  --bg-panel: #ffffff;
  --border: #e1e4e9;
  --text: #1a1f27;
  --text-dim: #5a6472;
  --text-faint: #8b95a3;
  --accent: #3d6fe0;
  --accent-text: #ffffff;
  --shadow: 0 8px 30px rgba(20,25,35,0.08);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

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

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 10%;
  height: 56px;
  flex: 0 0 auto;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.brand-mark { color: var(--accent); font-size: 20px; }
.brand-name { font-size: 15px; }

.session-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Form controls ---------- */

select, input[type="text"] {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--sans);
  outline: none;
}
select:focus, input[type="text"]:focus {
  border-color: var(--accent);
}

.btn {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost {
  background: transparent;
}
.btn.danger {
  color: var(--danger);
  border-color: var(--danger);
  background: transparent;
}
.btn.danger:hover { background: rgba(255,107,107,0.1); }

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  border-radius: 7px;
  width: 30px;
  height: 30px;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-panel);
}
.icon-btn.small { width: 24px; height: 24px; font-size: 12px; }

.badge {
  background: var(--accent);
  color: var(--accent-text);
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  padding: 1px 7px;
  margin-left: 4px;
}

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 10% 0;
  flex: 0 0 auto;
  background: var(--bg);
}
.tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 4px;
  margin-right: 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ---------- Workspace ---------- */

.workspace {
  flex: 1 1 auto;
  min-height: 0;
  padding: 14px 10% 8px;
  display: flex;
  flex-direction: column;
}

.view {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  flex: 0 0 auto;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}

.toolbar-label {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

.toolbar-sep {
  width: 1px;
  height: 22px;
  background: var(--border);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  color: var(--text-dim);
}
.chip input { accent-color: var(--accent); }
.chip.checked {
  color: var(--text);
  border-color: var(--chip-color, var(--accent));
  background: color-mix(in srgb, var(--chip-color, var(--accent)) 14%, transparent);
}

.panel-columns {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

#freitextInput {
  width: 200px;
}

textarea {
  flex: 1;
  min-height: 0;
  resize: none;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  padding: 14px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
}
textarea::placeholder { color: var(--text-faint); }
textarea[readonly] { color: var(--text-dim); }

.hint {
  flex: 0 0 auto;
  margin: 0;
  font-size: 12px;
  color: var(--text-faint);
}

/* ---------- Candidates ---------- */

.candidates {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
  padding: 10px 12px;
  max-height: 220px;
}

.candidates-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
  flex: 0 0 auto;
}

.candidates-actions {
  display: flex;
  gap: 8px;
}

.candidates-commit {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.candidates-list {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.candidate-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 12px;
}
.candidate-row:hover { border-color: var(--row-color, var(--accent)); }

.candidate-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--row-color, var(--accent));
  border: 1px solid var(--row-color, var(--accent));
  border-radius: 4px;
  padding: 1px 5px;
  flex: 0 0 auto;
  white-space: nowrap;
}

.candidate-value {
  font-family: var(--mono);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.candidate-count {
  font-size: 11px;
  color: var(--text-faint);
  flex: 0 0 auto;
}

.footer {
  flex: 0 0 auto;
  padding: 8px 10% 12px;
  font-size: 11px;
  color: var(--text-faint);
  text-align: center;
}

/* ---------- Drawer ---------- */

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 40;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 400px;
  max-width: 92vw;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  z-index: 50;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform 0.18s ease;
}
.drawer.hidden { transform: translateX(100%); display: flex; visibility: hidden; }

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
}

.drawer-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
  gap: 12px;
  overflow-y: auto;
}

.manual-add {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.manual-add-row {
  display: flex;
  gap: 8px;
}
.manual-add-row select,
.manual-add-row input {
  flex: 1;
  width: 0;
}
.manual-add-row .btn { flex: 0 0 auto; }

.mapping-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mapping-empty {
  color: var(--text-faint);
  font-size: 12px;
  text-align: center;
  padding: 24px 0;
}

.mapping-group-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin: 10px 0 2px;
}
.mapping-group-label:first-child { margin-top: 0; }

.mapping-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
}

.mapping-placeholder {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--row-color, var(--accent));
  border: 1px solid var(--row-color, var(--accent));
  background: color-mix(in srgb, var(--row-color, var(--accent)) 12%, transparent);
  padding: 2px 6px;
  border-radius: 5px;
  white-space: nowrap;
  flex: 0 0 auto;
}

.mapping-value {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mapping-value.masked {
  filter: blur(4px);
  user-select: none;
}

.mapping-row .icon-btn { flex: 0 0 auto; }

.drawer-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

@media (max-width: 860px) {
  .topbar, .tabs, .workspace, .footer { padding-left: 5%; padding-right: 5%; }
  .panel-columns { grid-template-columns: 1fr; }
  .session-controls select { max-width: 110px; }
}