/* ============================================================
   VARIABLES - DARK (default)
   ============================================================ */
:root {
  --bg:     #0a0a0a;
  --bg2:    #1a1a1a;
  --card:   #1a1a1a;
  --modal:  #111111;
  --border: #333333;
  --green:  #4ade80;
  --amber:  #fbbf24;
  --red:    #f87171;
  --text:   #f5f5f5;
  --text2:  #a3a3a3;
  --text3:  #555555;
}

/* ============================================================
   VARIABLES - LIGHT
   ============================================================ */
[data-theme="light"] {
  --bg:     #ffffff;
  --bg2:    #f5f5f5;
  --card:   #f5f5f5;
  --modal:  #ffffff;
  --border: #d4d4d4;
  --text:   #0a0a0a;
  --text2:  #666666;
  --text3:  #a3a3a3;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
  font-size: 14px;
}

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

/* ============================================================
   HEADER / NAV
   ============================================================ */
.hdr {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 48px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.tab-nav { display: flex; gap: 0; }

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  padding: 0 20px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  transition: color 0.2s, border-color 0.2s;
  display: flex;
  align-items: center;
  font-family: inherit;
}

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

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--text);
  font-weight: 600;
}

/* Header actions (right side) */
.hdr-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.hdr-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  height: 30px;
  display: flex;
  align-items: center;
}

.hdr-btn:hover { color: var(--text); border-color: var(--text2); }

.theme-toggle {
  font-size: 16px;
  text-transform: none;
  letter-spacing: 0;
  padding: 5px 10px;
}

/* ============================================================
   MAIN / TABS
   ============================================================ */
.main { max-width: 1100px; width: 100%; margin: 0 auto; padding: 30px 24px; flex: 1; }

.tab { display: none; }
.tab.active { display: block; }

/* ============================================================
   GRID
   ============================================================ */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
}

.bundle-card {
  background: var(--card);
  border: none;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 180px;
  position: relative;
  transition: background 0.15s;
}

.bundle-card:hover { background: var(--bg2); }

.add-card {
  cursor: pointer;
  justify-content: center;
  align-items: center;
  background: transparent;
  color: var(--text3);
  border-style: none;
}

.add-card:hover { background: var(--bg2); color: var(--text2); }

.add-plus { font-size: 1.6rem; line-height: 1; margin-bottom: 4px; }

.badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border: 1px solid;
  margin-bottom: 4px;
  align-self: flex-start;
}

.badge-inclusive {
  color: var(--green);
  border-color: var(--green);
  background: rgba(74, 222, 128, 0.08);
}

.badge-exclusive {
  color: var(--amber);
  border-color: var(--amber);
  background: rgba(251, 191, 36, 0.08);
}

.card-icon { font-size: 1.8rem; margin-bottom: 2px; }

.card-name {
  font-size: 15px;
  font-weight: 600;
  word-break: break-word;
}

.card-meta { font-size: 13px; color: var(--text3); }

.card-actions { display: flex; gap: 6px; margin-top: auto; padding-top: 8px; }

.btn-edit {
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-del {
  padding: 5px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--red);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-edit:hover { border-color: var(--text2); color: var(--text); }
.btn-del:hover  { border-color: var(--red); background: rgba(248, 113, 113, 0.08); }

/* ============================================================
   ROLL TAB
   ============================================================ */
.roll-wrap { max-width: 680px; }

.roll-ctrl { display: flex; gap: 0; margin-bottom: 24px; }

.roll-ctrl select {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-right: none;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.roll-ctrl select:focus { border-color: var(--text2); }

.roll-btn {
  padding: 10px 28px;
  background: var(--text);
  border: 1px solid var(--text);
  color: var(--bg);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
}

.roll-btn:hover:not(:disabled) { opacity: 0.8; }
.roll-btn:disabled { opacity: 0.3; cursor: default; }

/* Animation */
.roll-anim { padding: 32px 0; }

.rolling-txt {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text2);
  animation: pulse 0.5s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.3; }
  to   { opacity: 1; }
}

/* Result box */
.roll-result {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  padding: 16px 18px;
  margin-bottom: 24px;
}

.result-from { color: var(--text2); font-size: 13px; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.4px; }
.result-from strong { color: var(--text); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 5px 12px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  animation: chipIn 0.2s ease forwards;
}

.chip-empty {
  border-color: var(--text3);
  color: var(--text3);
  font-style: italic;
  font-weight: 400;
}

.chip-nested {
  border-color: var(--amber);
  color: var(--amber);
}

@keyframes chipIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Nested bundle result */
.nested-chip { display: flex; flex-direction: column; gap: 4px; }

.nested-result {
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 2px solid var(--amber);
}

.nested-label {
  display: block;
  font-size: 11px;
  color: var(--amber);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

/* History */
.history-section { margin-top: 0; }

.history-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.history-list { display: flex; flex-direction: column; }

.hist-row {
  display: grid;
  grid-template-columns: 80px 160px 1fr;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  overflow: hidden;
}

.hist-time    { color: var(--text3); }
.hist-name    { color: var(--text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-summary { color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.empty-msg { color: var(--text3); padding: 12px 0; font-size: 13px; }

/* ============================================================
   HELP TAB
   ============================================================ */
.help-wrap {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.help-block {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.help-block:last-child { border-bottom: none; }

.help-h2 {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.help-p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 10px;
}

.help-p:last-child { margin-bottom: 0; }

.help-ol {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
  margin: 10px 0 10px 20px;
  padding: 0;
}
.help-ol li { margin-bottom: 4px; }

.help-p code, .help-p kbd {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 1px 5px;
  color: var(--text);
}

.help-formula {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  padding: 12px 16px;
  color: var(--text);
  margin: 12px 0;
  line-height: 1.6;
}

.help-table-wrap {
  overflow-x: auto;
  margin: 12px 0;
}

.help-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.help-table th, .help-table td {
  padding: 9px 14px;
  text-align: left;
  border: 1px solid var(--border);
}

.help-table th {
  background: var(--bg2);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text2);
}

.help-table td { color: var(--text2); }
.help-table td strong { color: var(--text); }

/* Code block */
.code-block {
  position: relative;
  margin: 12px 0;
  background: var(--bg2);
  border: 1px solid var(--border);
}

.code-block pre {
  padding: 16px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.65;
  color: var(--text);
  margin: 0;
  white-space: pre;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.copy-btn:hover { color: var(--text); border-color: var(--text2); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.footer-credit { color: var(--text2); }
.footer-credit strong { color: var(--text); }

.linkedin-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #0077b5;
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: background 0.2s;
}

.linkedin-btn:hover { background: #006396; }

/* ============================================================
   MODAL
   ============================================================ */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

[data-theme="light"] .overlay { background: rgba(0, 0, 0, 0.5); }

.overlay.hidden { display: none; }

.modal {
  background: var(--modal);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 570px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

.modal-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-hdr h2 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text2);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
  transition: color 0.15s;
}

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

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-ftr {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* Fields */
.field { display: flex; flex-direction: column; gap: 6px; }

.lbl {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text3);
}

.inp {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  font-family: inherit;
}

.inp:focus { border-color: var(--text2); }

/* Name + emoji row */
.name-emoji-row { display: flex; align-items: stretch; gap: 0; }
.name-emoji-row .inp { flex: 1; width: auto; border-left: none; }

.emoji-preview-btn {
  width: 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 1.2rem;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  padding: 0;
  line-height: 1;
}

.emoji-preview-btn:hover { background: var(--bg2); }

/* Emoji picker grid */
.emoji-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: none;
}

.emoji-btn {
  width: 34px;
  height: 34px;
  background: none;
  border: 1px solid transparent;
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s, border-color 0.1s;
  padding: 0;
  line-height: 1;
}

.emoji-btn:hover { background: var(--bg2); }
.emoji-btn.selected { border-color: var(--text2); background: var(--bg2); }

/* Type selector */
.type-sel { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--border); }

.type-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 14px 16px;
  background: var(--bg);
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  font-family: inherit;
}

.type-btn:last-child { border-right: none; }
.type-btn:hover { background: var(--bg2); color: var(--text); }

.type-btn.active {
  background: var(--bg2);
  color: var(--text);
  box-shadow: inset 0 2px 0 var(--text);
}

.type-btn strong { font-size: 13px; font-weight: 600; }
.type-btn small { font-size: 12px; opacity: 0.6; line-height: 1.4; }

/* Section header */
.sect-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.sect-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text3);
}

.sect-note { font-size: 12px; color: var(--text3); }

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

.btn-auto {
  padding: 3px 10px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-auto:hover { background: rgba(251, 191, 36, 0.2); }

.field-hint {
  font-size: 12px;
  color: var(--text3);
  line-height: 1.4;
}

.prob-total {
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--text2);
  transition: all 0.2s;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.prob-total.ok   { color: var(--green); border-color: var(--green);  background: rgba(74,  222, 128, 0.08); }
.prob-total.over { color: var(--red);   border-color: var(--red);    background: rgba(248, 113, 113, 0.08); }

/* Item rows */
.item-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 6px; }

.item-row {
  display: grid;
  grid-template-columns: 1fr 82px 30px;
  gap: 4px;
  align-items: center;
}

/* Bundle inclusive item row: name | item-picker | prob | remove */
.bnd-inc-row { grid-template-columns: 1fr 115px 82px 30px !important; }

/* Exclusive entry row: name | prob | sub-bundle | remove */
.exc-row { grid-template-columns: 1fr 82px minmax(110px, 155px) 30px; }

.prob-group { display: flex; align-items: center; gap: 3px; }
.prob-group .inp { text-align: right; }
.pct { color: var(--text3); font-size: 12px; flex-shrink: 0; }

.sub-sel {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 8px;
  font-size: 13px;
  cursor: pointer;
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  font-family: inherit;
}

.sub-sel:focus { border-color: var(--text2); }

.rm-btn {
  width: 28px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--red);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  padding: 0;
  flex-shrink: 0;
}

.rm-btn:hover { background: rgba(248, 113, 113, 0.1); border-color: var(--red); }

.add-row-btn {
  width: 100%;
  padding: 8px;
  background: none;
  border: 1px dashed var(--border);
  color: var(--text3);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.15s;
}

.add-row-btn:hover { border-color: var(--text2); color: var(--text2); }

/* Buttons */
.btn-pri {
  padding: 10px 22px;
  background: var(--text);
  border: 1px solid var(--text);
  color: var(--bg);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-pri:hover { opacity: 0.85; }

.btn-sec {
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-sec:hover { color: var(--text); border-color: var(--text2); }

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ============================================================
   ITEM CARDS & PARAMETERS
   ============================================================ */
.item-card .card-initial {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid var(--border);
  color: var(--text2);
}

.params-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  width: 100%;
  margin-top: 4px;
}

.param-tag {
  display: inline-flex;
  align-items: stretch;
  font-size: 11px;
  line-height: 1;
  border: 1px solid var(--border);
}

.param-key {
  background: var(--bg2);
  color: var(--text2);
  padding: 3px 6px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.3px;
}

.param-val {
  background: var(--bg);
  color: var(--text2);
  padding: 3px 6px;
}

.param-more {
  background: var(--bg2);
  color: var(--text3);
  padding: 3px 7px;
  font-size: 11px;
  border: 1px solid var(--border);
}

.value-tag .param-key {
  background: rgba(251, 191, 36, 0.12);
  color: var(--amber);
}

/* Parameter rows in item modal: 2 text fields + remove */
.param-row { grid-template-columns: 1fr 1fr 30px !important; }

/* Item picker inside bundle rows */
.item-picker {
  font-size: 13px;
  padding: 5px 6px;
  color: var(--text2);
}

/* Roll result: item chip + parameters stacked */
.result-item-wrap {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-start;
}

.result-params {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding-left: 2px;
}

.hidden { display: none !important; }