:root {
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: #121821;
  background: #eef2f6;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.91);
  --line: rgba(20, 31, 48, 0.11);
  --muted: #667085;
  --accent: #315eea;
  --accent-strong: #2148c9;
  --ok: #176b43;
  --ok-bg: #e8f7ef;
  --warn: #8a5a00;
  --warn-bg: #fff4d8;
  --danger: #a92b2b;
  --danger-bg: #fdeaea;
  --shadow: 0 20px 55px rgba(42, 55, 75, 0.11);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: #eef2f6; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background: linear-gradient(160deg, #f6f8fb 0%, #e8edf4 46%, #f4f6fa 100%);
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { border: 0; }
a { color: inherit; }

.background-orb {
  position: fixed;
  z-index: -1;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(58px);
  opacity: .22;
  pointer-events: none;
}
.orb-one { top: -120px; left: -100px; background: #a6c1ff; }
.orb-two { right: -150px; bottom: 8%; background: #d2bdf8; }

.app-shell { width: min(1220px, calc(100% - 32px)); margin: 0 auto; padding: max(24px, env(safe-area-inset-top)) 0 max(36px, env(safe-area-inset-bottom)); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: #111826; color: white; box-shadow: 0 10px 24px rgba(12, 20, 35, .18); }
.brand h1 { margin: 0; font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -.02em; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: .86rem; }

.glass {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.74);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(15, 23, 42, .035);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  backdrop-filter: blur(18px) saturate(125%);
}
.main-tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 16px; margin-bottom: 18px; }
.main-tab { min-width: 110px; padding: 10px 16px; border-radius: 12px; background: transparent; color: #445064; cursor: pointer; font-weight: 700; }
.main-tab.active { background: var(--surface-strong); color: #111827; box-shadow: 0 4px 14px rgba(33, 45, 66, .09); }

.panel { border-radius: var(--radius); padding: 22px; }
.login-panel { max-width: 660px; }
.panel + .panel { margin-top: 16px; }
.panel-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.panel-title h2, .verification-heading h3 { margin: 2px 0 0; letter-spacing: -.02em; }
.panel-title h2 { font-size: 1.08rem; }
.verification-heading h3 { font-size: 1rem; }
.panel-number { color: #8b95a5; font-size: .86rem; font-variant-numeric: tabular-nums; }
.eyebrow { margin: 0; color: #748094; font-size: .68rem; letter-spacing: .12em; font-weight: 800; }

.workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 360px); gap: 18px; align-items: start; }
.main-column, .side-column { min-width: 0; }
.side-column { position: sticky; top: 16px; }
.steps { border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px; }
.steps-head { display: none; align-items: center; justify-content: space-between; margin-bottom: 10px; font-size: .83rem; }
.steps ol { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 7px; padding: 0; margin: 0; list-style: none; }
.steps li { min-width: 0; display: flex; align-items: center; gap: 7px; color: #8a94a5; font-size: .72rem; white-space: nowrap; overflow: hidden; }
.steps li span { flex: 0 0 auto; display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: #e9edf3; color: #5d697b; font-weight: 800; }
.steps li b { overflow: hidden; text-overflow: ellipsis; }
.steps li.current { color: #1f2a3d; }
.steps li.current span { background: var(--accent); color: white; }
.steps li.done span { background: #dff4e7; color: var(--ok); }

label { display: block; margin-bottom: 7px; color: #39465a; font-size: .82rem; font-weight: 700; }
input, select, textarea {
  width: 100%; min-width: 0; border: 1px solid #d7dde7; border-radius: 13px; background: rgba(255,255,255,.88); color: #151b26;
  padding: 11px 12px; outline: none; box-shadow: inset 0 1px 2px rgba(15,23,42,.025); transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus { border-color: #91a9f4; box-shadow: 0 0 0 3px rgba(49,94,234,.10); }
input:disabled, select:disabled, textarea:disabled, button:disabled { opacity: .55; cursor: not-allowed; }
textarea { resize: none; overflow-wrap: anywhere; word-break: break-word; }
input[type="checkbox"] { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }

.input-action { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: end; }
.token-row { grid-template-columns: minmax(0, 1fr) auto auto; }
.domain-action-row { grid-template-columns: minmax(0, 1fr) auto; }
.login-row { grid-template-columns: minmax(0, 1fr) auto; }
.button-row { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }
.button-row.end { justify-content: flex-end; }

.primary, .secondary, .danger, .link-button, .icon-button, .empty-add, .text-button, .upload-zone {
  cursor: pointer; border-radius: 13px; font-weight: 750; transition: transform .12s ease, background .12s ease, border-color .12s ease, opacity .12s ease;
}
.primary:active, .secondary:active, .danger:active, .link-button:active, .icon-button:active, .upload-zone:active { transform: translateY(1px); }
.primary { padding: 11px 15px; background: var(--accent); color: white; box-shadow: 0 8px 18px rgba(49,94,234,.20); }
.primary:hover { background: var(--accent-strong); }
.secondary, .link-button { padding: 10px 14px; background: rgba(255,255,255,.86); border: 1px solid #d5dce7; color: #2d394d; text-decoration: none; }
.danger { padding: 10px 14px; background: var(--danger-bg); border: 1px solid #f3c3c3; color: var(--danger); }
.compact { padding: 9px 12px; min-height: 40px; }
.icon-button { width: 40px; min-width: 40px; height: 40px; background: #f3f5f8; color: #3f4b5e; border: 1px solid #dbe1e9; font-size: 1.1rem; }
.text-button { padding: 7px 0; background: transparent; color: #4f5c70; }
.empty-add { width: 100%; padding: 11px; background: transparent; border: 1px dashed #cbd3df; color: #526078; }

.status-badge { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; min-height: 28px; padding: 5px 9px; border-radius: 999px; font-size: .72rem; font-weight: 800; white-space: nowrap; }
.status-badge.neutral { background: #eef1f5; color: #586578; }
.status-badge.ok { background: var(--ok-bg); color: var(--ok); }
.status-badge.warn { background: var(--warn-bg); color: var(--warn); }
.status-badge.danger { background: var(--danger-bg); color: var(--danger); }
.status-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: #9ba4b1; }
.status-dot.ok { background: #299867; }
.status-dot.warn { background: #d99a1d; }
.status-dot.danger { background: #d85a5a; }

.section-block + .section-block { margin-top: 16px; }
.grid-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, .7fr); gap: 14px; }
.option-box { border: 1px solid var(--line); border-radius: 16px; padding: 13px; background: rgba(255,255,255,.35); }
.check-option { display: flex; align-items: center; gap: 9px; margin: 0; cursor: pointer; }
.hint { color: var(--muted); font-size: .79rem; line-height: 1.48; margin: 8px 0 0; }
.error-text { margin: 9px 0 0; color: var(--danger); font-size: .82rem; font-weight: 650; line-height: 1.45; }

.optional-area { margin-top: 15px; transition: opacity .15s ease; }
.optional-area.optional-off { opacity: .48; }
.domain-status-line { display: flex; align-items: center; gap: 8px; margin: 11px 0; min-width: 0; }
.domain-status-line strong { min-width: 0; overflow-wrap: anywhere; }
.switch-row { display: flex; align-items: center; gap: 10px; margin-top: 13px; cursor: pointer; }
.switch-row input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch { width: 40px; height: 23px; padding: 3px; border-radius: 99px; background: #c9d0da; transition: background .15s ease; }
.switch::after { content: ""; display: block; width: 17px; height: 17px; border-radius: 50%; background: white; box-shadow: 0 2px 6px rgba(0,0,0,.16); transition: transform .15s ease; }
.switch-row input:checked + .switch { background: var(--accent); }
.switch-row input:checked + .switch::after { transform: translateX(17px); }

.verification-box { margin-top: 16px; padding: 16px; border: 1px solid #d6deea; border-radius: 18px; background: rgba(247,249,252,.72); }
.verification-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 13px; }
.nameserver-list { display: grid; gap: 11px; }
.nameserver-row { min-width: 0; }
.copy-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: stretch; }
.copy-row textarea { min-height: 52px; line-height: 1.35; }
.copy-button { min-width: 96px; min-height: 52px; }
.details-card { margin-top: 15px; border: 1px solid var(--line); border-radius: 15px; overflow: hidden; background: rgba(255,255,255,.35); }
.details-card summary { cursor: pointer; list-style: none; padding: 12px 13px; color: #49566a; font-size: .8rem; font-weight: 800; }
.details-card summary::-webkit-details-marker { display: none; }
.details-card[open] summary { border-bottom: 1px solid var(--line); }
.compact-details { margin-top: 12px; }
.permission-list { display: grid; gap: 0; }
.permission-list div { display: grid; grid-template-columns: minmax(140px, .45fr) minmax(0, 1fr); gap: 12px; padding: 10px 13px; border-top: 1px solid rgba(20,31,48,.07); }
.permission-list div:first-child { border-top: 0; }
.permission-list strong { font-size: .79rem; }
.permission-list span { color: var(--muted); font-size: .77rem; line-height: 1.45; }
.technical-status { margin: 0; padding: 5px 13px 12px; }
.technical-status div { display: grid; grid-template-columns: 88px minmax(0,1fr); gap: 10px; padding-top: 8px; }
.technical-status dt { color: var(--muted); font-size: .76rem; }
.technical-status dd { margin: 0; min-width: 0; overflow-wrap: anywhere; font-size: .78rem; }

.upload-zone { width: 100%; min-height: 105px; display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 14px; padding: 17px; text-align: left; background: rgba(255,255,255,.48); border: 1px dashed #bdc8d8; color: #334056; }
.upload-zone:hover, .upload-zone.dragging { background: rgba(255,255,255,.8); border-color: #8fa7e7; }
.upload-zone strong, .upload-zone small { display: block; overflow-wrap: anywhere; }
.upload-zone small { margin-top: 4px; color: var(--muted); font-weight: 500; }
.upload-symbol { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; background: #e9eefb; color: var(--accent); font-size: 1.25rem; }

.option-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.pair-list { display: grid; gap: 8px; }
.pair-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.2fr) auto; gap: 8px; }
.pair-list + .empty-add { margin-top: 8px; }

.security-heading { align-items: center; }
.security-toggle-wrap { display: flex; align-items: center; gap: 9px; margin: 0; cursor: pointer; }
.security-toggle { width: 42px; height: 24px; padding: 3px; background: #c9d0da; border-radius: 99px; }
.security-toggle span { display: block; width: 18px; height: 18px; border-radius: 50%; background: white; box-shadow: 0 2px 6px rgba(0,0,0,.16); transition: transform .15s ease; }
.security-toggle-wrap input:checked + .security-toggle { background: var(--accent); }
.security-toggle-wrap input:checked + .security-toggle span { transform: translateX(18px); }
.security-message { margin: -4px 0 14px; color: #526075; line-height: 1.5; font-size: .82rem; }
.protection-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.protection-levels > div { min-width: 0; padding: 11px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.43); }
.protection-levels span, .protection-levels strong { display: block; min-width: 0; overflow-wrap: anywhere; }
.protection-levels span { color: var(--muted); font-size: .72rem; margin-bottom: 5px; }
.protection-levels strong { font-size: .79rem; }
.protection-list { padding: 6px 13px 12px; }
.protection-item { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid rgba(20,31,48,.07); }
.protection-item:first-child { border-top: 0; }
.protection-item strong, .protection-state { font-size: .76rem; }
.protection-state.ok { color: var(--ok); }
.protection-state.warn { color: var(--warn); }

.deploy-panel { overflow: hidden; }
.native-progress { appearance: none; width: 100%; height: 12px; border: 0; border-radius: 99px; overflow: hidden; background: #e1e6ee; }
.native-progress::-webkit-progress-bar { background: #e1e6ee; border-radius: 99px; }
.native-progress::-webkit-progress-value { background: var(--accent); border-radius: 99px; transition: width .18s ease; }
.native-progress::-moz-progress-bar { background: var(--accent); border-radius: 99px; }
.progress-text { margin: 9px 0 16px; min-height: 20px; color: #566276; font-size: .82rem; }
.deploy-button { width: 100%; min-height: 48px; }
.deploy-panel .secondary { width: 100%; margin-top: 8px; }
.result-grid { display: grid; gap: 9px; }
.result-item { min-width: 0; padding: 11px; background: rgba(255,255,255,.44); border: 1px solid var(--line); border-radius: 14px; }
.result-item span { display: block; color: var(--muted); font-size: .72rem; margin-bottom: 4px; }
.result-item strong { display: block; min-width: 0; overflow-wrap: anywhere; font-size: .82rem; }

.history-panel { min-height: 280px; }
.history-list { display: grid; gap: 10px; }
.history-card { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 12px; align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255,255,255,.48); min-width: 0; }
.history-card-main { min-width: 0; }
.history-card-main strong, .history-card-main span, .history-card-main small { display: block; min-width: 0; overflow-wrap: anywhere; }
.history-card-main strong { font-size: .91rem; }
.history-card-main span { margin-top: 3px; color: #4e5b6e; font-size: .79rem; }
.history-card-main small { margin-top: 5px; color: var(--muted); font-size: .72rem; }
.history-actions { display: flex; gap: 7px; }

footer { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 18px 4px 0; color: #7a8595; font-size: .76rem; }
.toast { position: fixed; z-index: 50; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); max-width: min(92vw, 520px); transform: translate(-50%, 18px); opacity: 0; pointer-events: none; padding: 11px 15px; border-radius: 13px; background: #151c28; color: white; box-shadow: 0 12px 32px rgba(0,0,0,.2); font-size: .8rem; transition: opacity .16s ease, transform .16s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.modal { width: min(92vw, 490px); border: 1px solid rgba(255,255,255,.8); border-radius: 22px; padding: 21px; background: rgba(249,250,252,.97); color: #151b25; box-shadow: 0 24px 75px rgba(15,23,42,.26); }
.modal::backdrop { background: rgba(18,24,35,.36); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.modal h2 { margin: 0 0 8px; font-size: 1.05rem; }
.modal p { color: #5a6679; line-height: 1.5; font-size: .84rem; }
.history-details { margin: 10px 0 18px; }
.history-details div { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: 10px; padding: 9px 0; border-top: 1px solid var(--line); }
.history-details dt { color: var(--muted); font-size: .76rem; }
.history-details dd { margin: 0; min-width: 0; overflow-wrap: anywhere; font-size: .8rem; font-weight: 700; }

.hidden { display: none !important; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .side-column { position: static; }
  .steps-head { display: flex; }
  .steps ol { grid-template-columns: repeat(9, 1fr); gap: 5px; }
  .steps li { justify-content: center; }
  .steps li b { display: none; }
  .protection-levels { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .app-shell { width: min(100% - 20px, 1220px); padding-top: max(14px, env(safe-area-inset-top)); }
  .topbar { align-items: flex-start; }
  .brand p { display: none; }
  .brand-mark { width: 38px; height: 38px; }
  .panel { padding: 16px; border-radius: 20px; }
  .main-tabs { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .main-tab { min-width: 0; }
  .grid-two { grid-template-columns: 1fr; }
  .input-action, .token-row, .domain-action-row, .login-row { grid-template-columns: 1fr; }
  .token-row .compact, .domain-action-row .compact, .login-row .compact { width: 100%; }
  .copy-row { grid-template-columns: 1fr; }
  .copy-button { width: 100%; min-height: 44px; }
  .permission-list div { grid-template-columns: 1fr; gap: 4px; }
  .pair-row { grid-template-columns: 1fr auto; }
  .pair-row input:first-child { grid-column: 1 / -1; }
  .history-card { grid-template-columns: minmax(0,1fr) auto; align-items: start; }
  .history-card .status-badge { justify-self: end; }
  .history-actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
  .history-actions button { width: 100%; }
  .verification-heading { display: grid; grid-template-columns: minmax(0,1fr) auto; }
  .technical-status div { grid-template-columns: 72px minmax(0,1fr); }
  .security-heading { align-items: flex-start; }
  footer { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Giao diện nút V3: icon cục bộ, phản hồi chạm rõ ràng, không phụ thuộc CDN. */
.primary, .secondary, .danger, .link-button, .icon-button, .empty-add, .text-button, .main-tab {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid transparent;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transform: translateZ(0);
}
.primary, .secondary, .danger, .link-button, .empty-add, .main-tab {
  box-shadow: 0 1px 0 rgba(255,255,255,.72) inset, 0 8px 22px rgba(26, 39, 67, .08);
}
.primary {
  border-color: rgba(35, 72, 190, .16);
  background: linear-gradient(180deg, #4d76f3 0%, #315eea 54%, #294fcf 100%);
  box-shadow: 0 1px 0 rgba(255,255,255,.28) inset, 0 10px 24px rgba(49,94,234,.25), 0 1px 2px rgba(20,35,78,.18);
}
.primary:hover { background: linear-gradient(180deg, #5a80f4 0%, #3563ee 52%, #254bc9 100%); }
.secondary, .link-button {
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(245,248,252,.86));
  border-color: rgba(122, 138, 161, .23);
  box-shadow: 0 1px 0 #fff inset, 0 7px 18px rgba(27, 39, 62, .07);
}
.secondary:hover, .link-button:hover { background: rgba(255,255,255,.99); border-color: rgba(79, 103, 143, .3); }
.danger {
  background: linear-gradient(180deg, #fff6f6, #fee8e8);
  border-color: rgba(200, 68, 68, .2);
  box-shadow: 0 1px 0 #fff inset, 0 7px 18px rgba(169,43,43,.08);
}
.primary:active, .secondary:active, .danger:active, .link-button:active, .icon-button:active, .empty-add:active, .main-tab:active, .upload-zone:active {
  transform: translateY(1px) scale(.985);
}
.primary:focus-visible, .secondary:focus-visible, .danger:focus-visible, .link-button:focus-visible, .icon-button:focus-visible, .empty-add:focus-visible, .main-tab:focus-visible, .upload-zone:focus-visible {
  outline: 3px solid rgba(49,94,234,.2);
  outline-offset: 2px;
}
button:disabled, .link-button[aria-disabled="true"] { transform: none !important; box-shadow: none; }

.main-tabs { padding: 6px; gap: 6px; }
.main-tab { min-height: 44px; border-radius: 13px; }
.main-tab.active {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,249,253,.92));
  border-color: rgba(126, 143, 168, .16);
  box-shadow: 0 1px 0 white inset, 0 8px 20px rgba(31,45,70,.1);
}

.token-row { align-items: stretch; }
.token-row > input { min-height: 44px; }
#toggleToken { min-width: 88px; }
#connectButton { min-width: 176px; }
#connectButton.is-busy { cursor: progress; }

.icon-eye::before, .icon-eye-off::before, .icon-cloud-check::before, .icon-search::before, .icon-plus::before,
.icon-refresh::before, .icon-copy::before, .icon-external::before, .icon-upload::before, .icon-rocket::before,
.icon-history::before, .icon-trash::before, .icon-x::before, .icon-check::before, .icon-grid::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.icon-eye::before { -webkit-mask-image: url("/assets/ui-eye.svg"); mask-image: url("/assets/ui-eye.svg"); }
.icon-eye-off::before { -webkit-mask-image: url("/assets/ui-eye-off.svg"); mask-image: url("/assets/ui-eye-off.svg"); }
.icon-cloud-check::before { -webkit-mask-image: url("/assets/ui-cloud-check.svg"); mask-image: url("/assets/ui-cloud-check.svg"); }
.icon-search::before { -webkit-mask-image: url("/assets/ui-search.svg"); mask-image: url("/assets/ui-search.svg"); }
.icon-plus::before { -webkit-mask-image: url("/assets/ui-plus.svg"); mask-image: url("/assets/ui-plus.svg"); }
.icon-refresh::before { -webkit-mask-image: url("/assets/ui-refresh.svg"); mask-image: url("/assets/ui-refresh.svg"); }
.icon-copy::before { -webkit-mask-image: url("/assets/ui-copy.svg"); mask-image: url("/assets/ui-copy.svg"); }
.icon-external::before { -webkit-mask-image: url("/assets/ui-external.svg"); mask-image: url("/assets/ui-external.svg"); }
.icon-upload::before { -webkit-mask-image: url("/assets/ui-upload.svg"); mask-image: url("/assets/ui-upload.svg"); }
.icon-rocket::before { -webkit-mask-image: url("/assets/ui-rocket.svg"); mask-image: url("/assets/ui-rocket.svg"); }
.icon-history::before { -webkit-mask-image: url("/assets/ui-history.svg"); mask-image: url("/assets/ui-history.svg"); }
.icon-trash::before { -webkit-mask-image: url("/assets/ui-trash.svg"); mask-image: url("/assets/ui-trash.svg"); }
.icon-x::before { -webkit-mask-image: url("/assets/ui-x.svg"); mask-image: url("/assets/ui-x.svg"); }
.icon-check::before { -webkit-mask-image: url("/assets/ui-check.svg"); mask-image: url("/assets/ui-check.svg"); }
.icon-grid::before { -webkit-mask-image: url("/assets/ui-grid.svg"); mask-image: url("/assets/ui-grid.svg"); }

.is-busy::before {
  width: 16px !important;
  height: 16px !important;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  background: transparent !important;
  -webkit-mask-image: none !important;
  mask-image: none !important;
  animation: button-spin .72s linear infinite;
}
@keyframes button-spin { to { transform: rotate(360deg); } }

.upload-zone {
  border-style: solid;
  border-color: rgba(120,139,166,.24);
  background: linear-gradient(145deg, rgba(255,255,255,.76), rgba(244,247,252,.56));
  box-shadow: 0 1px 0 rgba(255,255,255,.9) inset, 0 12px 28px rgba(36,49,72,.06);
}
.upload-zone:hover, .upload-zone.dragging { border-color: rgba(66,99,203,.38); background: rgba(255,255,255,.9); }
.upload-symbol {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: linear-gradient(145deg, #eef3ff, #dde7ff);
  color: #315eea;
  box-shadow: 0 1px 0 white inset, 0 8px 18px rgba(49,94,234,.11);
}
.upload-symbol::before { width: 22px; height: 22px; }
.upload-plus { color: #65748c; display: inline-flex; }
.upload-plus::before { width: 20px; height: 20px; }

.icon-button {
  padding: 0;
  border-color: rgba(118,136,161,.2);
  background: linear-gradient(180deg, #fff, #f3f6fa);
  box-shadow: 0 1px 0 #fff inset, 0 6px 14px rgba(30,43,66,.07);
}
.icon-button::before { width: 18px; height: 18px; }
.empty-add { border-style: dashed; background: rgba(255,255,255,.44); }
.copy-button { min-width: 112px; }
.deploy-button { min-height: 52px; font-size: .91rem; letter-spacing: .01em; }

@media (max-width: 640px) {
  .token-row { grid-template-columns: minmax(0, 1fr) auto; }
  .token-row #connectButton { grid-column: 1 / -1; width: 100%; min-height: 48px; }
  .token-row #toggleToken { width: auto; min-width: 88px; }
  .domain-action-row .compact { min-height: 46px; }
  .button-row > .primary, .button-row > .secondary, .button-row > .danger, .button-row > .link-button { min-height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  .is-busy::before { animation-duration: 1.5s !important; }
}

/* V4 — nút và tương tác iOS/Android: asset cục bộ, phản hồi nhanh, không phụ thuộc CDN. */
.notice-text {
  margin: 10px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(175, 126, 23, .16);
  border-radius: 13px;
  background: rgba(255, 246, 218, .7);
  color: #765009;
  font-size: .8rem;
  font-weight: 700;
  line-height: 1.45;
}

.primary, .secondary, .danger, .link-button, .icon-button, .empty-add, .main-tab {
  -webkit-appearance: none;
  appearance: none;
  min-height: 46px;
  border-radius: 15px;
  letter-spacing: -.01em;
  will-change: transform;
}

.primary::after, .secondary::after, .danger::after, .link-button::after, .main-tab::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0) 46%);
}

.primary {
  background: linear-gradient(180deg, #5a7df2 0%, #3c65e8 47%, #2c55d5 100%);
  border-color: rgba(25, 63, 177, .2);
  box-shadow:
    0 1px 0 rgba(255,255,255,.35) inset,
    0 -1px 0 rgba(11,34,112,.13) inset,
    0 10px 20px rgba(45, 87, 211, .22),
    0 2px 5px rgba(20,35,78,.12);
  text-shadow: 0 1px 0 rgba(19,42,120,.18);
}
.primary:hover {
  background: linear-gradient(180deg, #6386f7 0%, #416bef 48%, #2d56d6 100%);
}
.primary:active {
  box-shadow:
    0 1px 0 rgba(255,255,255,.22) inset,
    0 2px 7px rgba(45,87,211,.16);
}

.secondary, .link-button {
  background: linear-gradient(180deg, rgba(255,255,255,.99), rgba(244,247,252,.92));
  border-color: rgba(101, 118, 145, .22);
  color: #334158;
  box-shadow:
    0 1px 0 rgba(255,255,255,1) inset,
    0 -1px 0 rgba(87,102,129,.06) inset,
    0 7px 18px rgba(31,45,70,.07);
}
.secondary:hover, .link-button:hover {
  border-color: rgba(63, 91, 148, .28);
  background: #fff;
}

#connectButton {
  min-height: 48px;
  padding-inline: 18px;
  font-weight: 850;
  letter-spacing: -.015em;
}
#connectButton::before { width: 20px; height: 20px; }
#connectButton.is-busy { filter: saturate(.86); }

#toggleToken {
  min-height: 48px;
  padding-inline: 14px;
  font-weight: 800;
  white-space: nowrap;
}
#toggleToken::before { width: 19px; height: 19px; }

.main-tab {
  min-height: 48px;
  font-weight: 820;
}
.main-tab.active {
  border-color: rgba(69, 91, 132, .13);
  box-shadow:
    0 1px 0 #fff inset,
    0 -1px 0 rgba(67,83,112,.05) inset,
    0 8px 18px rgba(31,45,70,.09);
}

.status-badge {
  border: 1px solid rgba(44, 59, 85, .06);
  box-shadow: 0 1px 0 rgba(255,255,255,.72) inset;
}

@media (hover: none) and (pointer: coarse) {
  .primary:hover, .secondary:hover, .link-button:hover { filter: none; }
  .primary, .secondary, .danger, .link-button, .icon-button, .empty-add, .main-tab, .upload-zone {
    touch-action: manipulation;
  }
}

@media (max-width: 640px) {
  .token-row { gap: 10px; }
  .token-row > input { min-height: 50px; }
  .token-row #toggleToken { min-height: 50px; min-width: 94px; }
  .token-row #connectButton { min-height: 54px; border-radius: 16px; font-size: .95rem; }
  .main-tabs { border-radius: 19px; }
  .main-tab { min-height: 50px; border-radius: 14px; }
}
.notice-text { display: flex; align-items: flex-start; gap: 9px; }
.notice-text::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  background: currentColor;
  -webkit-mask: url("/assets/ui-shield-alert.svg") center / contain no-repeat;
  mask: url("/assets/ui-shield-alert.svg") center / contain no-repeat;
}

/* Luồng domain V4: deploy .pages.dev trước, setup domain riêng từ Lịch sử. */
.steps ol { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.postdeploy-domain-note {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  padding: 13px 14px;
  border: 1px solid rgba(49,94,234,.12);
  border-radius: 15px;
  background: rgba(238,243,255,.62);
}
.postdeploy-domain-note strong { font-size: .81rem; color: #273751; }
.postdeploy-domain-note span { font-size: .76rem; line-height: 1.45; color: var(--muted); }
.history-help { margin: -7px 0 14px; }
.history-domain-control {
  grid-column: 1 / -1;
  min-width: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(20,31,48,.08);
}
.history-domain-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.history-domain-toggle { min-width: 0; }
.history-domain-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 11px;
  border: 1px solid rgba(49,94,234,.12);
  border-radius: 14px;
  background: rgba(246,248,253,.72);
}
.history-domain-note {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #59667a;
  font-size: .76rem;
  line-height: 1.45;
}
.domain-setup-dialog { width: min(94vw, 560px); }
.domain-flow-note { margin: -2px 0 15px !important; }
.domain-setup-actions { margin-top: 13px; }
.domain-setup-actions .primary { min-width: 150px; }
.verify-domain-button { width: 100%; min-height: 48px; margin-top: 13px; }
#historyDomainInput { min-height: 46px; }
#historyNameserverPanel { margin-top: 17px; }
#historyNameserver1, #historyNameserver2 { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .78rem; }

@media (max-width: 900px) {
  .steps ol { grid-template-columns: repeat(8, 1fr); }
}

@media (max-width: 640px) {
  .history-domain-body { grid-template-columns: 1fr; }
  .history-domain-body button { width: 100%; }
  .history-domain-top { align-items: flex-start; }
  .domain-setup-actions { display: grid; grid-template-columns: 1fr; }
  .domain-setup-actions > * { width: 100%; }
  .domain-setup-dialog { padding: 17px; }
}