/* ============================================================
   App surface — the DARK workspace (dashboard, admin, settings).
   Default dark; a .theme-light override is provided for the toggle.
   ============================================================ */

.surface-dark {
  background: var(--d-bg);
  color: var(--d-ink);
  min-height: 100vh;
}

/* Optional light theme for the app (toggle) */
.surface-dark.theme-light {
  --d-bg: #f4f7f5;
  --d-panel: #ffffff;
  --d-raised: #ffffff;
  --d-ink: #0f1b14;
  --d-muted: #5b6b61;
  --d-line: #e3eae5;
  --d-shadow: 0 1px 2px rgba(15,27,20,.04), 0 8px 24px rgba(15,27,20,.06);
  background: var(--d-bg); color: var(--d-ink);
}

/* ---- Layout shell ---- */
.app-shell { display: grid; grid-template-columns: 256px 1fr; min-height: 100vh; }

/* Sidebar */
.sidebar {
  background: var(--d-panel); border-right: 1px solid var(--d-line);
  display: flex; flex-direction: column; padding: 20px 14px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 20px; font-weight: 800; font-size: 1.15rem; letter-spacing: -.03em; }
.sidebar .brand .mark { width: 30px; height: 30px; }
.sidebar .brand .accent { color: var(--green-bright); }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 10px; color: var(--d-muted); font-weight: 500; font-size: .94rem; transition: background .12s ease, color .12s ease; }
.nav a svg { flex: 0 0 20px; }
.nav a:hover { background: var(--d-raised); color: var(--d-ink); }
.nav a.active { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--green-bright); }
.nav .nav-sep { height: 1px; background: var(--d-line); margin: 10px 6px; }
.sidebar-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--d-line); }
.sidebar-foot .email { font-size: .82rem; color: var(--d-muted); padding: 4px 10px; word-break: break-all; }
.sidebar-foot .row { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; }
.sidebar-foot .signout { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--err); font-weight: 500; font-size: .9rem; }
.sidebar-foot .signout:hover { background: color-mix(in srgb, var(--err) 14%, transparent); }

/* Main area */
.main { padding: 28px 32px 60px; max-width: 1080px; width: 100%; margin: 0 auto; }
@media (max-width: 920px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 200; width: 256px; left: 0; top: 0; transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar.open { transform: none; }
  .main { padding: 20px 16px 60px; }
  .mobile-topbar { display: flex !important; }
}

/* Mobile top bar */
.mobile-topbar { display: none; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--d-line); background: var(--d-panel); position: sticky; top: 0; z-index: 150; }
.hamburger { background: none; border: 1px solid var(--d-line); border-radius: 8px; color: var(--d-ink); width: 40px; height: 40px; cursor: pointer; display: grid; place-items: center; }
.backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 190; }
.backdrop.show { display: block; }

/* ---- Wallet card ---- */
.wallet-card {
  background: linear-gradient(135deg, #0a7d56, #12a978 60%, #16c489);
  border-radius: var(--radius-lg); padding: 26px 28px; color: #fff;
  position: relative; overflow: hidden; box-shadow: var(--d-shadow);
}
.wallet-card::after { content: ""; position: absolute; right: -40px; top: -40px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(255,255,255,.14), transparent 70%); }
.wallet-card .wl-top { display: flex; justify-content: space-between; align-items: flex-start; }
.wallet-card .wl-label { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; opacity: .85; font-weight: 600; }
.wallet-card .bal { font-size: 2.6rem; font-weight: 800; font-variant-numeric: tabular-nums; margin: 6px 0 2px; letter-spacing: -.02em; }
.wallet-card .bal.hidden-bal { letter-spacing: .1em; }
.wallet-card .ref { font-size: .86rem; opacity: .9; display: flex; align-items: center; gap: 8px; }
.wallet-card .ref .copy { background: rgba(255,255,255,.18); border: none; color: #fff; width: 26px; height: 26px; border-radius: 7px; cursor: pointer; display: grid; place-items: center; }
.wallet-card .wl-actions { display: flex; gap: 12px; margin-top: 22px; }
.wallet-card .wl-actions .btn { flex: 1; background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.22); backdrop-filter: blur(4px); }
.wallet-card .wl-actions .btn:hover { background: rgba(255,255,255,.26); }
.cur-toggle { display: inline-flex; background: rgba(255,255,255,.16); border-radius: 999px; padding: 3px; }
.cur-toggle button { background: none; border: none; color: rgba(255,255,255,.8); font-family: inherit; font-weight: 600; font-size: .8rem; padding: 5px 14px; border-radius: 999px; cursor: pointer; }
.cur-toggle button.active { background: #fff; color: var(--green-dark); }
.eye-btn { background: rgba(255,255,255,.16); border: none; color: #fff; width: 34px; height: 34px; border-radius: 9px; cursor: pointer; display: grid; place-items: center; }

/* ---- Cards / panels ---- */
.panel { background: var(--d-panel); border: 1px solid var(--d-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--d-shadow); }
.panel + .panel, .block + .block { margin-top: 20px; }
.panel-title { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.panel-title svg { color: var(--green-bright); }
.block { margin-top: 24px; }
.muted { color: var(--d-muted); }
.section-label { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--d-muted); font-weight: 600; margin-bottom: 10px; }

/* Quick access tiles */
.quick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quick a { background: var(--d-panel); border: 1px solid var(--d-line); border-radius: var(--radius); padding: 22px 18px; text-align: center; transition: border-color .12s, transform .08s; }
.quick a:hover { border-color: var(--green); transform: translateY(-2px); }
.quick a .ic { color: var(--green-bright); margin-bottom: 10px; display: grid; place-items: center; }
.quick a .t { font-weight: 600; font-size: .95rem; }
@media (max-width: 620px) { .quick { grid-template-columns: 1fr 1fr; } }

/* Source toggle (USA Server / Virtual / All) */
.source-toggle { display: inline-flex; background: var(--d-raised); border: 1px solid var(--d-line); border-radius: 12px; padding: 4px; gap: 4px; flex-wrap: wrap; }
.source-toggle button { background: none; border: none; color: var(--d-muted); font-family: inherit; font-weight: 600; font-size: .9rem; padding: 8px 16px; border-radius: 9px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.source-toggle button.active { background: var(--green); color: #fff; }

/* Form controls (dark) */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .84rem; font-weight: 600; color: var(--d-muted); margin-bottom: 7px; }
.input, select.input, textarea.input {
  width: 100%; background: var(--d-raised); border: 1px solid var(--d-line);
  border-radius: 10px; padding: 12px 14px; color: var(--d-ink); font-family: inherit; font-size: .98rem;
}
.input:focus { border-color: var(--green); outline: none; }
select.input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%238aa096' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }

/* Orders / lists */
.order-row { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--d-line); }
.order-row:last-child { border-bottom: none; }
.order-row .ic { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px; background: var(--d-raised); display: grid; place-items: center; color: var(--green-bright); }
.order-row .meta { flex: 1; min-width: 0; }
.order-row .meta .t { font-weight: 600; }
.order-row .meta .s { font-size: .84rem; color: var(--d-muted); }
.order-row .num { font-variant-numeric: tabular-nums; font-weight: 600; }
.code-pill { font-variant-numeric: tabular-nums; letter-spacing: .14em; font-weight: 800; color: var(--green-bright); background: color-mix(in srgb, var(--green) 15%, transparent); padding: 6px 12px; border-radius: 8px; }
.copy-inline { background: var(--d-raised); border: 1px solid var(--d-line); color: var(--d-muted); border-radius: 7px; width: 30px; height: 30px; cursor: pointer; display: grid; place-items: center; }

/* Status badges */
.badge { font-size: .76rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; display: inline-flex; align-items: center; gap: 5px; }
.badge-pending { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge-completed { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge-refunded, .badge-failed { background: color-mix(in srgb, var(--err) 18%, transparent); color: var(--err); }
.spin { width: 13px; height: 13px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty states */
.empty { text-align: center; padding: 34px 20px; }
.empty .ic { width: 56px; height: 56px; border-radius: 16px; background: var(--d-raised); color: var(--green-bright); display: grid; place-items: center; margin: 0 auto 14px; }
.empty h3 { font-size: 1.1rem; margin-bottom: .3em; }
.empty p { color: var(--d-muted); max-width: 42ch; margin: 0 auto 1.2em; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th { text-align: left; font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--d-muted); padding: 10px 12px; border-bottom: 1px solid var(--d-line); font-weight: 600; }
.table td { padding: 12px; border-bottom: 1px solid var(--d-line); }
.table tr:hover td { background: var(--d-raised); }
.table .amt-pos { color: var(--ok); font-variant-numeric: tabular-nums; }
.table .amt-neg { color: var(--err); font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }

/* Page header */
.page-head { margin-bottom: 24px; }
.page-head h1 { font-size: 1.6rem; }
.page-head p { color: var(--d-muted); margin: 0; }

/* Floating support button */
.support-fab { position: fixed; right: 22px; bottom: 22px; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.4); z-index: 300; transition: transform .1s; }
.support-fab:hover { transform: scale(1.06); }

/* Toggle switch */
.switch { position: relative; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track { position: absolute; inset: 0; background: var(--d-line); border-radius: 999px; cursor: pointer; transition: background .15s; }
.switch .track::before { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform .15s; }
.switch input:checked + .track { background: var(--green); }
.switch input:checked + .track::before { transform: translateX(20px); }

/* Code block (api docs) */
.code { background: var(--d-raised); border: 1px solid var(--d-line); border-radius: 10px; padding: 16px; overflow-x: auto; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; color: var(--d-ink); line-height: 1.6; }
.code .k { color: var(--green-bright); }

/* Stat cards (admin) */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.stat { background: var(--d-panel); border: 1px solid var(--d-line); border-radius: var(--radius); padding: 18px 20px; }
.stat .v { font-size: 1.7rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--d-muted); font-size: .84rem; }
@media (max-width: 760px) { .stat-grid { grid-template-columns: 1fr 1fr; } }

/* Inline form rows */
.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { margin-bottom: 0; }
.btn-danger { background: var(--err); color: #fff; }
.btn-sm { padding: .5rem .9rem; font-size: .85rem; }
.btn-ghost-dark { background: var(--d-raised); color: var(--d-ink); border-color: var(--d-line); }
.btn-ghost-dark:hover { border-color: var(--green); }

/* Auth pages share the light surface but centered */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 40px 16px; background: var(--l-panel); }
.auth-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--l-line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--l-shadow); }
.auth-card .logo { margin-bottom: 22px; }
.auth-card h1 { font-size: 1.5rem; }
.auth-card .sub { color: var(--l-muted); margin-bottom: 24px; }
.auth-field { margin-bottom: 16px; }
.auth-field label { display: block; font-size: .86rem; font-weight: 600; margin-bottom: 7px; }
.auth-field input { width: 100%; padding: 12px 14px; border: 1px solid var(--l-line); border-radius: 10px; font-family: inherit; font-size: 1rem; }
.auth-field input:focus { border-color: var(--green); outline: none; }
.auth-err { color: var(--err); font-size: .84rem; margin-top: 5px; }
.auth-foot { text-align: center; margin-top: 20px; color: var(--l-muted); font-size: .92rem; }
.auth-foot a { color: var(--green-dark); font-weight: 600; }
.auth-check { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--l-muted); margin-bottom: 18px; }