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

:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-2: #181825;
  --surface-3: #1e1e2e;
  --border: #2a2a3e;
  --border-light: #3a3a55;
  --text: #e2e2f0;
  --text-2: #a0a0b8;
  --text-3: #6a6a80;
  --accent: #a855f7;
  --accent-dim: #7c3aed;
  --accent-glow: rgba(168, 85, 247, 0.15);
  --green: #4ade80;
  --green-dim: #22c55e;
  --orange: #fb923c;
  --red: #f87171;
  --gold: #fbbf24;
  --blue: #60a5fa;
  --rare: #ffd700;
  --unique: #af6025;
  --magic: #8888ff;
  --normal: #c0c0c0;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 15px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), #d8b4fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
}

/* ── Paste Section ─────────────────────────────────────────── */
.paste-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}
.paste-area {
  position: relative;
  width: 100%;
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
  cursor: text;
}
.paste-area:hover {
  border-color: var(--border-light);
  background: var(--surface-2);
}
.paste-area:focus-within,
.paste-area.dragover {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.08);
}
.paste-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 24px;
  color: var(--text-3);
  text-align: center;
  transition: opacity var(--transition);
  gap: 8px;
}
.paste-placeholder svg { opacity: 0.5; margin-bottom: 4px; }
.paste-placeholder h2 { font-size: 1.1rem; font-weight: 500; color: var(--text-2); }
.paste-placeholder p { font-size: 0.85rem; color: var(--text-3); }
.paste-placeholder kbd {
  display: inline-block;
  padding: 2px 7px;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-2);
}
.paste-area.has-text .paste-placeholder { display: none; }

.item-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 24px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  resize: none;
  opacity: 0;
  transition: opacity var(--transition);
  min-height: 220px;
  z-index: 2;
}
.paste-area.has-text .item-input {
  opacity: 1;
  position: relative;
}
.item-input::placeholder { color: var(--text-3); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  color: #fff;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.25);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.35);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-2);
  padding: 12px 18px;
}
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }

/* ── Results ───────────────────────────────────────────────── */
.results-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeSlideUp 0.4s ease;
}

/* ── Item Card ─────────────────────────────────────────────── */
.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.item-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.item-rarity { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.item-rarity.Normal { color: var(--normal); }
.item-rarity.Magic { color: var(--magic); }
.item-rarity.Rare { color: var(--rare); }
.item-rarity.Unique { color: var(--unique); }
.item-rarity.Gem { color: var(--blue); }
.item-name { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 2px; }
.item-name.Rare { color: var(--rare); }
.item-name.Unique { color: var(--unique); }
.item-name.Magic { color: var(--magic); }
.item-name.Normal { color: var(--normal); }
.item-name.Gem { color: var(--blue); }
.item-base {
  font-size: 0.85rem;
  color: var(--text-2);
}
.item-level {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}

.item-stats {
  padding: 16px 24px;
}
.item-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 4px 0;
  font-size: 0.88rem;
  line-height: 1.5;
}
.item-stat.separator {
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 10px;
}
.stat-label {
  color: var(--text-2);
}
.stat-value {
  font-weight: 500;
  text-align: right;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}
.stat-value.positive { color: var(--blue); }
.stat-value.good { color: var(--green); }
.stat-value.augmented { color: var(--blue); }
.stat-value.fire { color: #f87171; }
.stat-value.cold { color: #60a5fa; }
.stat-value.lightning { color: #fbbf24; }
.stat-value.chaos { color: #a78bfa; }
.stat-value.phys { color: #fca5a5; }
.stat-value.gem { color: var(--blue); }
.stat-value.mana { color: #60a5fa; }

.stat-implicit {
  color: var(--text-3);
  font-size: 0.78rem;
  font-style: italic;
  padding: 8px 24px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.item-footer {
  padding: 12px 24px;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-3);
}
.item-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.item-tag.corrupted { color: var(--red); }

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--surface-2); border: 1px solid var(--border-light);
  color: var(--text); padding: 12px 20px; border-radius: 10px;
  font-size: 0.85rem; white-space: nowrap; z-index: 100;
  opacity: 0; transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* ── Header reset button ───────────────────────────────────── */
.btn-reset { opacity: 0.6; transition: opacity 0.15s; }
.btn-reset:hover { opacity: 1; background: var(--surface-2); }
.item-tag.sockets { color: var(--gold); }

/* ── Price Section ─────────────────────────────────────────── */
.price-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  animation: fadeSlideUp 0.4s ease 0.1s both;
}
.price-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.price-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.price-badge {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.price-badge.low { border-color: var(--green); color: var(--green); background: rgba(74, 222, 128, 0.1); }
.price-badge.medium { border-color: var(--orange); color: var(--orange); background: rgba(251, 146, 60, 0.1); }
.price-badge.high { border-color: var(--red); color: var(--red); background: rgba(248, 113, 113, 0.1); }
.price-badge.estimate { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.price-body {
  padding: 20px 24px;
}
.price-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 0.9rem;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.price-result {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.price-main {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.price-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.price-currency {
  font-size: 1.1rem;
  color: var(--text-2);
  font-weight: 500;
}
.price-range {
  font-size: 0.85rem;
  color: var(--text-3);
}
.price-range span {
  color: var(--text-2);
}
.price-detail {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.5;
}
.price-detail strong {
  color: var(--text-2);
  font-weight: 500;
}

.price-error {
  color: var(--red);
  font-size: 0.88rem;
  padding: 8px 0;
}

.price-actions {
  display: flex;
  gap: 8px;
  padding: 12px 24px 16px;
  border-top: 1px solid var(--border);
}

/* ── Raw Details ───────────────────────────────────────────── */
.raw-details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.raw-details summary {
  padding: 12px 24px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  user-select: none;
}
.raw-details summary:hover { color: var(--text-2); }
.raw-details pre {
  padding: 16px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-3);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  margin-top: auto;
  padding: 32px 0 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ── Header Right ─────────────────────────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.session-status {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.session-status.ok {
  background: rgba(74, 222, 128, 0.1);
  color: var(--green);
  border: 1px solid rgba(74, 222, 128, 0.25);
}
.session-status.warn {
  background: rgba(251, 191, 36, 0.1);
  color: var(--gold);
  border: 1px solid rgba(251, 191, 36, 0.25);
}
.session-status.warn a {
  color: var(--gold);
}
.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.btn-icon:hover {
  border-color: var(--text-3);
  color: var(--text);
}
.btn-mini {
  background: transparent;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.7rem;
  text-decoration: underline;
  padding: 0 4px;
}
.btn-mini:hover { color: var(--text-2); }

/* ── Modal ────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 520px;
  width: 100%;
  padding: 28px;
  animation: fadeSlideUp 0.25s ease;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}
.modal-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--transition);
  margin-bottom: 20px;
}
.modal-input:focus {
  border-color: var(--accent);
}
.modal-input::placeholder { color: var(--text-3); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
}
.modal kbd {
  display: inline-block;
  padding: 1px 5px;
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-2);
}

/* ── Currency Bar ─────────────────────────────────────────── */
.currency-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}
.currency-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.currency-options {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 3px;
}
.currency-btn {
  background: transparent;
  border: none;
  color: var(--text-2);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  transition: all var(--transition);
}
.currency-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}
.currency-btn.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .container { padding: 16px 12px; }
  .paste-placeholder { padding: 32px 16px 20px; }
  .item-header { padding: 16px 16px 12px; }
  .item-stats { padding: 12px 16px; }
  .stat-implicit { padding: 6px 16px; }
  .item-footer { padding: 10px 16px; }
  .price-header { padding: 14px 16px; }
  .price-body { padding: 16px; }
  .price-actions { padding: 10px 16px 14px; flex-direction: column; }
  .price-value { font-size: 1.6rem; }
}

/* ── Changelog ─────────────────────────────────────────────── */
.footer-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.changelog-toggle {
  background: none;
  border: none;
  color: var(--text-3);
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  opacity: 0.6;
  transition: opacity var(--transition);
}
.changelog-toggle:hover { opacity: 1; color: var(--text-2); }

.changelog-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.3s ease;
  opacity: 0;
  margin-top: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: left;
}
.changelog-panel.open {
  max-height: 400px;
  opacity: 1;
  margin-top: 12px;
}
.changelog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
.changelog-count {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-3);
  background: var(--surface);
  padding: 2px 8px;
  border-radius: 100px;
}
.changelog-list {
  padding: 6px 0;
  max-height: 300px;
  overflow-y: auto;
}
.changelog-entry {
  display: flex;
  gap: 10px;
  padding: 8px 14px;
  font-size: 0.78rem;
  line-height: 1.5;
  border-bottom: 1px solid var(--border);
}
.changelog-entry:last-child { border-bottom: none; }
.cl-time {
  color: var(--text-3);
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding-top: 1px;
}
.cl-msg { color: var(--text-2); }
.changelog-empty {
  padding: 20px 14px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-3);
}