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

/* ── Design tokens ── */
:root {
  --bg: #0a0a0a;
  --surface: #111;
  --border: #1e1e1e;
  --border-focus: #333;
  --text: #e0e0e0;
  --text-dim: #666;
  --accent: #4ade80;
  --accent-dim: #16a34a;
  --danger: #f87171;
  --mono: "SF Mono", "Cascadia Code", "Fira Code", monospace;
}

html {
  font-size: 14px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── Header ── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h1 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
}
h1 span {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 1rem;
}

.status-pill {
  font-size: 0.7rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 0.15rem 0.6rem;
  letter-spacing: 0.04em;
}

/* ── Tab bar ── */
.tab-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.75rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all 0.15s;
}
.tab-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.tab-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(74, 222, 128, 0.06);
}
.tab-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ── Form elements ── */
label {
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

input,
textarea,
select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.5rem 0.65rem;
  outline: none;
  transition: border-color 0.15s;
}
input:focus,
textarea:focus,
select:focus {
  border-color: var(--border-focus);
}

textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

select {
  width: 100%;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23666'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  padding-right: 2rem;
}

code {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.75rem;
}

/* ── Grid helpers ── */
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

/* ── Buttons ── */
.btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 600;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: var(--accent-dim);
  color: #fff;
}
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-stop {
  background: var(--danger);
  color: #000;
}
.btn-stop:hover {
  background: #dc2626;
  color: #fff;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-clear {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.65rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.15s;
}
.btn-clear:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ── Fetch button (inline with input) ── */
.input-btn-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}
.input-btn-row label {
  flex: 1;
}

.btn-fetch {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: transparent;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s;
  white-space: nowrap;
  height: fit-content;
}
.btn-fetch:hover {
  background: var(--accent);
  color: #000;
}
.btn-fetch:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-fetch.loading {
  pointer-events: none;
  opacity: 0.6;
}

/* ── Gas cost calculator ── */
.calc-section {
  margin-top: 0.8rem;
  border-top: 1px solid var(--border);
  padding-top: 0.7rem;
}
.calc-header {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.calc-header span {
  font-size: 0.65rem;
  opacity: 0.6;
}
.calc-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
#calcToggleBtn,
#readPanelToggle {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border-focus);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
#calcToggleBtn:hover,
#readPanelToggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.calc-row {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}
.calc-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.72rem;
  color: var(--text-dim);
  flex: 1;
  min-width: 80px;
}
.calc-field input {
  font-size: 0.78rem;
  padding: 0.35rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--mono);
  width: 100%;
}
.calc-fetch-btn {
  flex-shrink: 0;
  align-self: flex-end;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  margin-left: 0.4rem;
}
.calc-sep {
  color: var(--text-dim);
  font-size: 0.8rem;
  flex-shrink: 0;
  padding-bottom: 0.4rem;
}

/* ── Collapse dynamic field containers when empty ── */
#argFieldsRow:empty,
#readFnArgs:empty,
#priceArgFields:empty,
#maxWalletArgFields:empty {
  display: none;
}

/* ── Read arg inputs — flex row, consistent gap ── */
#readFnArgs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 1px;
}

/* ── Read panel (collapsible, inside calc-section) ── */
#readPanel {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Match calc-section compact sizing */
#readPanel select,
#readFnArgs input {
  font-size: 0.78rem;
  padding: 0.35rem 0.5rem;
  height: 24px;
}
#readPanel .btn-fetch {
  font-size: 0.72rem;
  height: 24px;
  padding-top: 0;
  padding-bottom: 0;
}

/* ── Read function output field ── */
#readFnSelect {
  height: 25px !important;
}

.read-fn-output {
  padding: 0.35rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--text-dim);
  min-height: 1.8em;
  word-break: break-all;
}
.read-fn-output:empty::before {
  content: "—";
  opacity: 0.35;
}

/* ── Eye (show/hide wallets) ── */
.btn-eye {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.65rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.15s;
}
.btn-eye:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.wallet-wrap textarea {
  width: 100%;
}
.wallet-btn-group {
  display: flex;
  gap: 0.3rem;
  justify-content: flex-end;
}
#walletsSaveBtn {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}
#walletsSaveBtn:hover {
  background: var(--accent-dim);
  color: #fff;
}
#walletsSaveBtn.ready {
  opacity: 0.8;
  cursor: not-allowed;
  pointer-events: none;
}
#walletsClearBtn:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* Blur wallet textarea content when hidden */
#wallets {
  scrollbar-width: thin;
  scrollbar-color: var(--border-focus) transparent;
}
#wallets::-webkit-scrollbar {
  width: 4px;
}
#wallets::-webkit-scrollbar-track {
  background: transparent;
}
#wallets::-webkit-scrollbar-thumb {
  background: var(--border-focus);
  border-radius: 99px;
}
#wallets::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

#wallets.text-hidden {
  color: transparent;
  text-shadow: 0 0 8px var(--text-dim);
  caret-color: var(--text);
}

/* ── Schedule row ── */
.schedule-row {
  display: none;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  align-items: end;
}
.schedule-row.visible {
  display: grid;
}

/* ── Log ── */
#log {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.6;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-dim);
  scrollbar-width: thin;
  scrollbar-color: var(--border-focus) transparent;
  will-change: scroll-position;
}
#log::-webkit-scrollbar {
  width: 4px;
}
#log::-webkit-scrollbar-track {
  background: transparent;
}
#log::-webkit-scrollbar-thumb {
  background: var(--border-focus);
  border-radius: 99px;
}
#log::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}
#log:empty::before {
  content: "Waiting for mint…";
  color: var(--border-focus);
}
.log-ok {
  color: var(--accent);
}
.log-err {
  color: var(--danger);
}
.log-info {
  color: var(--text-dim);
}
#log a {
  color: inherit;
  text-decoration: underline;
  opacity: 1;
}
#log a:hover {
  opacity: 0.8;
}

/* ── Countdown ── */
#countdown {
  font-size: 0.8rem;
  color: var(--accent);
  min-width: 6rem;
  display: none;
}
#countdown.visible {
  display: block;
}

/* ── Toast container (stacks toasts top-right) ── */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 9999;
  pointer-events: none;
}

/* ── Individual toast ── */
.toast {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.85rem 2rem 0.85rem 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text);
  min-width: 260px;
  max-width: 360px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  pointer-events: all;
  animation: toastIn 0.22s ease;
  transition:
    opacity 0.28s ease,
    transform 0.28s ease;
}
.toast.fade-out {
  opacity: 0;
  transform: translateX(110%);
}

/* Toast types */
.toast.success {
  border-color: var(--accent);
}
.toast.error {
  border-color: var(--danger);
}
.toast.info {
  border-color: var(--border-focus);
}

.toast-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent);
}
.toast.error .toast-title {
  color: var(--danger);
}
.toast.info .toast-title {
  color: var(--text-dim);
}

.toast-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  line-height: 1.6;
  color: var(--text);
}

.toast-close {
  position: absolute;
  top: 0.4rem;
  right: 0.55rem;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1rem;
  cursor: pointer;
  font-family: var(--mono);
  line-height: 1;
  padding: 0;
}
.toast-close:hover {
  color: var(--text);
}

@keyframes toastIn {
  from {
    transform: translateX(110%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ── Responsive ── */
@media (max-width: 500px) {
  .row,
  .row-3,
  .schedule-row.visible {
    grid-template-columns: 1fr;
  }
  .toast {
    left: 1rem;
    right: 1rem;
    max-width: unset;
    min-width: unset;
  }
}