/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Dark theme (default) - OSRS Wiki inspired */
  --bg:          #1b2030;
  --bg-card:     #222838;
  --bg-hover:    #2a3148;
  --bg-input:    #1e2535;
  --border:      #2e3650;
  --border-hover:#3e4a68;
  --accent:      #6fa8dc;
  --accent-hover:#8dbde8;
  --accent-dim:  #5890c0;
  --text:        #b0b8c8;
  --text-muted:  #6e7a8e;
  --text-bright: #dce0e8;
  --tag-bg:      #262e40;
  --tag-text:    #8892a8;
  --success:     #4ade80;
  --step-bg:     #6fa8dc;
  --step-text:   #1b2030;
}

[data-theme="light"] {
  --bg:          #f4f4f6;
  --bg-card:     #ffffff;
  --bg-hover:    #eeeef2;
  --bg-input:    #ffffff;
  --border:      #d8d8de;
  --border-hover:#b0b0ba;
  --accent:      #4a7fb5;
  --accent-hover:#5e94cc;
  --accent-dim:  #3d6d9e;
  --text:        #4a4a56;
  --text-muted:  #8a8a96;
  --text-bright: #1a1a20;
  --tag-bg:      #ededf2;
  --tag-text:    #5a5a68;
  --success:     #16a34a;
  --step-bg:     #4a7fb5;
  --step-text:   #ffffff;
}

[data-theme="midnight"] {
  --bg:          #0e1118;
  --bg-card:     #141820;
  --bg-hover:    #1a1f2c;
  --bg-input:    #11151c;
  --border:      #1e2432;
  --border-hover:#2a3244;
  --accent:      #6fa8dc;
  --accent-hover:#8dbde8;
  --accent-dim:  #5890c0;
  --text:        #8892a8;
  --text-muted:  #505a6e;
  --text-bright: #c0c8d8;
  --tag-bg:      #161c28;
  --tag-text:    #687088;
  --success:     #4ade80;
  --step-bg:     #6fa8dc;
  --step-text:   #0e1118;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ---------- Header ---------- */
header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.header-left h1 {
  font-size: 1.4rem;
  color: var(--text-bright);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

.header-right {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ---------- Theme Switcher ---------- */
.theme-switcher {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.theme-btn {
  background: var(--bg);
  border: none;
  color: var(--text-muted);
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border-right: 1px solid var(--border);
}

.theme-btn:last-child { border-right: none; }
.theme-btn:hover { background: var(--bg-hover); color: var(--text); }
.theme-btn.active { background: var(--accent); color: var(--step-text); }

/* ---------- Page Layout ---------- */
.page-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* ---------- Main (left) ---------- */
main {
  min-width: 0;
}

.filters {
  margin-bottom: 1rem;
}

.filter-row {
  display: flex;
  gap: 0.6rem;
}

.filter-row input,
.filter-row select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  transition: border-color 0.15s;
}

.filter-row input { flex: 1; }
.filter-row input::placeholder { color: var(--text-muted); }
.filter-row input:focus,
.filter-row select:focus { outline: none; border-color: var(--accent); }

/* ---------- Route List ---------- */
.route-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 0;
  font-size: 0.875rem;
}

/* ---------- Route Card ---------- */
.route-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  transition: border-color 0.15s;
}

.route-card:hover { border-color: var(--border-hover); }

.route-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.route-card-header h3 {
  font-size: 1rem;
  color: var(--text-bright);
  font-weight: 600;
}

.route-author {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 500;
}

.route-league {
  color: var(--tag-text);
  font-size: 0.72rem;
  background: var(--tag-bg);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  font-weight: 500;
}

.route-description {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.route-stats {
  display: flex;
  gap: 1.1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.route-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.tag {
  font-size: 0.7rem;
  background: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.12rem 0.45rem;
  border-radius: 3px;
}

.route-actions {
  display: flex;
  gap: 0.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
  color: var(--text-bright);
}

.btn-primary {
  background: var(--accent);
  color: var(--step-text);
  border-color: var(--accent);
  font-weight: 600;
}

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

.btn:disabled,
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:disabled:hover,
.btn-primary:disabled:hover {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
}

.btn-primary:disabled:hover {
  background: var(--accent);
  color: var(--step-text);
  border-color: var(--accent);
}

/* ---------- Converter ---------- */
.converter {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.converter-panel {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.panel-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.json-area {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-bright);
  padding: 0.75rem;
  font-family: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  min-height: 220px;
  resize: vertical;
  transition: border-color 0.15s;
  tab-size: 2;
}

.json-area:focus {
  outline: none;
  border-color: var(--accent);
}

.json-area[readonly] {
  background: var(--bg-card);
  color: var(--text);
}

.json-area::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.converter-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.converter-mode {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mode-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.6rem;
}

.mode-option {
  display: flex;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  background: var(--bg-input);
}

.mode-option:hover {
  border-color: var(--accent);
}

.mode-option input[type="radio"] {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.mode-label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.85rem;
}

.mode-help {
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.3;
}

.status-line {
  font-size: 0.8rem;
  color: var(--text-muted);
  flex: 1;
}

.status-success { color: var(--success); }
.status-error { color: #ef4444; font-weight: 500; }
.status-warning { color: #f59e0b; }
.status-info { color: var(--accent); }

.output-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

code {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--text-bright);
}

/* ---------- Sections preview ---------- */
.route-sections {
  margin-top: 0.65rem;
  border-top: 1px solid var(--border);
  padding-top: 0.65rem;
}

.route-sections summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-muted);
  user-select: none;
}

.route-sections summary:hover { color: var(--text); }

.section-list {
  list-style: none;
  margin-top: 0.4rem;
  padding-left: 0.4rem;
}

.section-list li {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.15rem 0;
  border-left: 2px solid var(--border);
  padding-left: 0.65rem;
}

.section-list .section-count {
  font-size: 0.7rem;
  opacity: 0.7;
}

/* ---------- Sidebar (right) ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 1.5rem;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.sidebar-card h2 {
  color: var(--text-bright);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.sidebar-card > p {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-bottom: 0.65rem;
}

/* ---------- Tool list ---------- */
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tool-link {
  display: block;
  padding: 0.45rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 0.8rem;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}

.tool-link:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  text-decoration: none;
  color: var(--text-bright);
}

.tool-author {
  display: block;
  color: var(--text-muted);
  font-size: 0.7rem;
}

.tool-link.coming-soon {
  opacity: 0.45;
  pointer-events: none;
}

.tool-link.coming-soon .tool-author::after {
  content: " (coming soon)";
}

/* ---------- Import steps ---------- */
.import-steps {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.step {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--step-bg);
  color: var(--step-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
}

.step-text > strong {
  display: block;
  font-size: 0.82rem;
  color: var(--text-bright);
  font-weight: 600;
}

.step-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* ---------- Sidebar links ---------- */
.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar-links h2 { margin-bottom: 0.25rem; }

.sidebar-links a {
  font-size: 0.8rem;
}

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 1.25rem 2rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text-bright);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Responsive fallback ---------- */
@media (max-width: 860px) {
  .page-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
}