:root {
  color-scheme: dark;
  --ink: #f7f7f4;
  --muted: #9ea7aa;
  --line: rgba(255,255,255,.12);
  --panel: #151a1d;
  --panel-2: #1b2225;
  --accent: #80d9ad;
  --accent-strong: #4fc38d;
  --danger: #ff8b8b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: #0e1113;
  color: var(--ink);
}
button, input { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 60px; }
.auth-panel {
  width: min(420px, 100%);
  margin: 10vh auto 0;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
}
.brand-mark {
  display: grid; place-items: center; width: 48px; height: 48px;
  border-radius: 12px; background: var(--accent); color: #0e1113; font-weight: 800;
}
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(28px, 5vw, 48px); margin-bottom: 12px; }
h2 { margin-bottom: 0; font-size: 24px; }
h3 { font-size: 16px; margin-bottom: 8px; }
.muted { color: var(--muted); line-height: 1.6; }
form { display: grid; gap: 14px; margin-top: 28px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
input {
  width: 100%; border: 1px solid var(--line); border-radius: 6px;
  background: #0f1315; color: var(--ink); padding: 12px 13px; outline: none;
}
input:focus { border-color: var(--accent); }
button {
  border: 0; border-radius: 6px; padding: 11px 15px; color: #0e1113;
  transition: transform .16s ease, opacity .16s ease, background .16s ease;
}
button:hover { transform: translateY(-1px); }
button:disabled { cursor: wait; opacity: .55; transform: none; }
.primary { background: var(--accent); }
.primary:hover { background: var(--accent-strong); }
.secondary { background: #283236; color: var(--ink); border: 1px solid var(--line); }
.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.wide { width: 100%; }
.error { color: var(--danger); min-height: 20px; margin: 0; }
.topbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.topbar h1 { margin-bottom: 0; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.user-pill, .badge { border: 1px solid var(--line); border-radius: 999px; color: var(--muted); padding: 8px 11px; font-size: 12px; }
.badge { color: var(--accent); border-color: rgba(128,217,173,.3); }
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
.stat, .task-panel, .side-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.stat { padding: 20px; display: grid; gap: 7px; }
.stat span, .stat small { color: var(--muted); font-size: 12px; }
.stat strong { font-size: 28px; font-variant-numeric: tabular-nums; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .8fr); gap: 12px; }
.task-panel, .side-panel { padding: 24px; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 24px; }
.empty-state { min-height: 250px; display: grid; place-content: center; justify-items: center; text-align: center; color: var(--muted); }
.loader-ring { width: 36px; height: 36px; border: 3px solid rgba(255,255,255,.15); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; margin-bottom: 16px; }
@keyframes spin { to { transform: rotate(360deg); } }
.task-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.task-meta div { padding: 13px; background: var(--panel-2); border-radius: 6px; display: grid; gap: 7px; }
.task-meta span { color: var(--muted); font-size: 12px; }
.task-meta strong { overflow-wrap: anywhere; font-size: 14px; }
.payment-code { padding: 22px; background: #0f1315; border: 1px dashed rgba(128,217,173,.35); border-radius: 6px; margin-bottom: 14px; }
.payment-code span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.payment-code strong { font-size: clamp(22px, 4vw, 38px); letter-spacing: .04em; overflow-wrap: anywhere; }
.task-actions { display: flex; gap: 10px; }
.task-actions button { flex: 1; }
.summary-list { display: grid; gap: 10px; margin-bottom: 28px; }
.summary-row { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 10px; color: var(--muted); font-size: 13px; }
.summary-row strong { color: var(--ink); }
.withdraw-box { border-top: 1px solid var(--line); padding-top: 20px; }
.withdraw-box input { margin-bottom: 10px; }
#claim-button { margin-top: 22px; }
.management-panel { margin-top: 12px; padding: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.management-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.tool-panel { display: grid; gap: 10px; padding: 16px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; }
.tool-panel h3 { margin-bottom: 2px; }
textarea { width: 100%; resize: vertical; border: 1px solid var(--line); border-radius: 6px; background: #0f1315; color: var(--ink); padding: 10px; font: inherit; }
.management-block { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 18px; }
.block-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.block-heading h3 { margin: 0; }
select { border: 1px solid var(--line); border-radius: 6px; background: #0f1315; color: var(--ink); padding: 8px 10px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 11px 8px; font-size: 13px; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
td { color: var(--ink); }
td .table-action { padding: 6px 9px; margin-right: 5px; font-size: 12px; }

@media (max-width: 760px) {
  .shell { width: min(100% - 20px, 620px); padding-top: 18px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .status-grid, .workspace { grid-template-columns: 1fr; }
  .task-meta { grid-template-columns: 1fr; }
  .task-actions { flex-direction: column; }
  .auth-panel { margin-top: 5vh; padding: 24px; }
  .management-grid { grid-template-columns: 1fr; }
}