/* Sub2Unlock — clean, responsive dark interface */
:root {
  --bg: #0b0d10;
  --bg-deep: #07090b;
  --surface: #111419;
  --surface-2: #171b21;
  --surface-3: #1d222a;
  --border: #272d36;
  --border-soft: #1d222a;
  --text: #f7f8f5;
  --text-muted: #a2a9b3;
  --text-faint: #6e7682;
  --signal-rgb: 189, 242, 74;
  --signal: rgb(var(--signal-rgb));
  --signal-text: #101503;
  --glow-soft: 0 0 28px rgba(var(--signal-rgb), .12);
  --glow-medium: 0 0 36px rgba(var(--signal-rgb), .2);
  --glow-strong: 0 0 46px rgba(var(--signal-rgb), .3);
  --danger: #ff6b65;
  --danger-rgb: 255, 107, 101;
  --danger-bg: rgba(var(--danger-rgb), .09);
  --danger-border: rgba(var(--danger-rgb), .24);
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --font-display: 'Inter', 'Noto Sans Thai', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Noto Sans Thai', monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
code, .mono { font-family: var(--font-mono); }
::selection { color: var(--signal-text); background: var(--signal); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.bg-gradient {
  min-height: calc(100vh - 75px);
  position: relative;
  overflow: hidden;
  background: radial-gradient(900px 460px at 50% -170px, rgba(var(--signal-rgb), .14), transparent 70%), radial-gradient(600px 420px at -180px 50%, rgba(112,150,255,.045), transparent 70%), linear-gradient(180deg, var(--bg-deep), var(--bg));
}
.bg-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 58%);
}
.bg-gradient::after {
  content: '';
  position: absolute;
  top: 13%;
  left: 50%;
  width: min(760px, 82vw);
  height: 360px;
  pointer-events: none;
  border-radius: 50%;
  background: rgba(var(--signal-rgb), .055);
  filter: blur(110px);
  transform: translateX(-50%);
}
.container { width: min(1120px, 100%); margin: 0 auto; padding-inline: 24px; position: relative; z-index: 1; }

/* Navigation */
.navbar { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-size: 18px; font-weight: 750; letter-spacing: -.35px; }
.logo-dot { width: 34px; height: 34px; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(var(--signal-rgb), .58); border-radius: 10px; color: var(--signal-text); background: var(--signal); box-shadow: 0 0 0 4px rgba(var(--signal-rgb), .07), 0 0 26px rgba(var(--signal-rgb), .28); font-family: var(--font-mono); font-size: 15px; font-weight: 800; }
.logo-dot-lg { width: 52px; height: 52px; border-radius: 15px; font-size: 21px; }
.brand-context { color: var(--text-faint); font-size: 13px; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text-muted); font-size: 13.5px; font-weight: 650; transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-pill { padding: 8px 13px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.025); }
.nav-pill:hover { border-color: rgba(var(--signal-rgb), .36); background: rgba(var(--signal-rgb), .055); }
.language-switcher { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 5px; padding: 4px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.025); box-shadow: inset 0 1px 0 rgba(255,255,255,.025); }
.language-switcher > span { width: 1px; height: 12px; background: var(--border); }
.language-switcher a { min-width: 34px; height: 27px; display: inline-flex; align-items: center; justify-content: center; padding: 0 8px; border-radius: 999px; color: var(--text-faint); font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; line-height: 1; transition: color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease); }
.language-switcher a:hover { color: var(--text); }
.language-switcher a[aria-current='true'] { color: var(--signal-text); background: var(--signal); box-shadow: 0 0 16px rgba(var(--signal-rgb), .16); }
.navbar-minimal { position: relative; }
.navbar-minimal .language-switcher { position: absolute; right: 0; }
.navbar-minimal { min-height: 72px; justify-content: center; }
.brand-sm { color: var(--text-muted); font-size: 13px; font-weight: 650; }
.logo-dot-sm { width: 23px; height: 23px; border-radius: 7px; font-size: 10px; }

/* Home hero */
.hero { padding: 72px 0 48px; text-align: center; }
.eyebrow, .unlock-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 6px 10px; border: 1px solid rgba(var(--signal-rgb), .13); border-radius: 999px; color: var(--text-muted); background: rgba(var(--signal-rgb), .035); box-shadow: inset 0 0 18px rgba(var(--signal-rgb), .025); font-family: var(--font-mono); font-size: 11px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; }
.eyebrow-dot, .unlock-eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(var(--signal-rgb), .1); }
.hero h1 { max-width: 800px; margin: 0 auto 18px; font-size: clamp(40px, 6vw, 68px); font-weight: 800; line-height: 1.12; letter-spacing: -.055em; }
.hero h1 span { color: var(--signal); text-shadow: 0 0 18px rgba(var(--signal-rgb), .2), 0 0 54px rgba(var(--signal-rgb), .14); }
.hero > p { max-width: 620px; margin: 0 auto; color: var(--text-muted); font-size: 16px; }
.hero-points { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin-top: 26px; }
.hero-points span { color: var(--text-faint); font-size: 12.5px; }
.hero-points span::before { content: '✓'; margin-right: 7px; color: var(--signal); font-weight: 800; }

/* Shared cards */
.create-shell { max-width: 780px; margin: 0 auto; padding-bottom: 72px; }
.card { padding: 34px; border: 1px solid var(--border); border-radius: var(--radius-xl); background: radial-gradient(500px 190px at 100% 0, rgba(var(--signal-rgb), .055), transparent 68%), rgba(17,20,25,.93); box-shadow: 0 28px 80px -50px rgba(0,0,0,.95), 0 0 50px rgba(var(--signal-rgb), .035), inset 0 1px 0 rgba(255,255,255,.035); backdrop-filter: blur(18px); transition: border-color .25s var(--ease), box-shadow .25s var(--ease); }
.card:hover { border-color: rgba(var(--signal-rgb), .18); box-shadow: 0 32px 90px -50px rgba(0,0,0,.95), 0 0 60px rgba(var(--signal-rgb), .055), inset 0 1px 0 rgba(255,255,255,.04); }
.card-sm { padding: 22px; border-radius: var(--radius-sm); }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 30px; }
.section-kicker { margin: 0 0 4px; color: var(--signal); font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.card-heading h2 { margin: 0; font-size: 24px; line-height: 1.3; letter-spacing: -.03em; }
.step-badge { flex: 0 0 auto; padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-faint); font-size: 11.5px; }

/* Forms */
.preset-panel { position: relative; overflow: hidden; margin-bottom: 28px; padding: 18px; border: 1px solid rgba(var(--signal-rgb), .2); border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(var(--signal-rgb), .07), rgba(var(--signal-rgb), .018) 55%, rgba(255,255,255,.012)); box-shadow: inset 0 1px 0 rgba(255,255,255,.035), 0 0 34px rgba(var(--signal-rgb), .045); }
.preset-panel::after { content: ''; width: 130px; height: 130px; position: absolute; top: -84px; right: -48px; border: 1px solid rgba(var(--signal-rgb), .14); border-radius: 50%; box-shadow: 0 0 40px rgba(var(--signal-rgb), .08); pointer-events: none; }
.preset-panel-heading { position: relative; z-index: 1; display: flex; align-items: flex-start; gap: 12px; margin-bottom: 15px; }
.preset-panel-icon { width: 34px; height: 34px; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(var(--signal-rgb), .28); border-radius: 11px; color: var(--signal); background: rgba(var(--signal-rgb), .08); box-shadow: 0 0 22px rgba(var(--signal-rgb), .09); font-size: 18px; }
.preset-panel-heading h3 { margin: 0 0 3px; font-size: 15px; line-height: 1.35; }
.preset-panel-heading > div > p:last-child { max-width: 570px; margin: 0; color: var(--text-faint); font-size: 11.8px; line-height: 1.55; }
.preset-picker, .preset-save { position: relative; z-index: 1; display: grid; gap: 8px; }
.preset-picker { grid-template-columns: minmax(0, 1fr) auto auto; }
.preset-save { grid-template-columns: minmax(0, 1fr) auto; margin-top: 8px; }
.preset-picker .form-control, .preset-save .form-control { min-height: 42px; padding-block: 9px; font-size: 12.5px; }
.preset-feedback { min-height: 17px; position: relative; z-index: 1; margin: 9px 1px 0; color: var(--text-faint); font-size: 10.8px; line-height: 1.5; }
.preset-feedback.is-success { color: var(--signal); }
.preset-feedback.is-error { color: var(--danger); }
.form-section { padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--border-soft); }
.form-section:first-of-type { padding-top: 0; margin-top: 0; border-top: 0; }
.form-section-title { display: flex; align-items: flex-start; gap: 13px; margin-bottom: 24px; }
.form-section-title > span { width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; border: 1px solid rgba(var(--signal-rgb), .3); border-radius: 10px; color: var(--signal); background: rgba(var(--signal-rgb), .075); box-shadow: 0 0 22px rgba(var(--signal-rgb), .09); font-family: var(--font-mono); font-size: 11px; font-weight: 700; }
.form-section-title h3 { margin: 0 0 2px; font-size: 16px; line-height: 1.4; }
.form-section-title p { margin: 0; color: var(--text-faint); font-size: 12.5px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 8px; color: #e7e9e4; font-size: 13px; font-weight: 650; }
.required-mark, .optional-mark { margin-left: 5px; font-size: 10px; font-weight: 600; }
.required-mark { color: var(--signal); }
.optional-mark { color: var(--text-faint); }
.form-hint { margin: 6px 0 0; color: var(--text-faint); font-size: 11.8px; line-height: 1.55; }
.form-control { width: 100%; min-height: 49px; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); outline: none; color: var(--text); background: var(--surface-2); font-size: 14px; transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease); }
.form-control:hover { border-color: #353d48; }
.form-control:focus { border-color: rgba(var(--signal-rgb), .68); background: #191e24; box-shadow: 0 0 0 3px rgba(var(--signal-rgb), .11), 0 0 24px rgba(var(--signal-rgb), .08); }
.form-control::placeholder { color: #68717c; opacity: 1; }
textarea.form-control { min-height: 96px; resize: vertical; }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-cover { grid-template-columns: minmax(0, 1fr) 210px; }
.color-control { height: 49px; display: flex; align-items: center; gap: 10px; padding: 7px 11px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); }
.color-control:focus-within { border-color: rgba(var(--signal-rgb), .55); box-shadow: 0 0 0 3px rgba(var(--signal-rgb), .08), var(--glow-soft); }
.color-control input[type='color'] { width: 34px; height: 34px; flex: 0 0 auto; padding: 2px; border: 0; border-radius: 9px; background: transparent; cursor: pointer; }
.color-control span { color: var(--text-faint); font-size: 11.5px; line-height: 1.3; }
.help-disclosure { margin: 16px 0 20px; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: rgba(255,255,255,.015); }
.help-disclosure summary { padding: 12px 14px; color: var(--text-muted); cursor: pointer; font-size: 12px; font-weight: 600; }
.help-disclosure summary::marker { color: var(--signal); }
.help-disclosure p { margin: 0; padding: 0 14px 14px; color: var(--text-faint); font-size: 11.8px; line-height: 1.7; }
.countdown-setting { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 15px 16px; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: rgba(255,255,255,.015); }
.countdown-setting .form-label { margin: 0; }
.countdown-setting .form-hint { margin-top: 2px; }
.number-suffix { min-width: 120px; display: flex; align-items: center; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); }
.number-suffix .form-control { min-width: 0; min-height: 42px; padding: 9px 10px; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.number-suffix > span { flex: 0 0 auto; padding-right: 10px; color: var(--text-faint); font-size: 11px; }
.form-submit-area { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--border-soft); }
.form-submit-area p { margin: 0 0 12px; color: var(--text-faint); text-align: center; font-size: 11.5px; }

/* Buttons */
.btn { min-height: 45px; position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border: 1px solid transparent; border-radius: var(--radius-sm); cursor: pointer; font-weight: 700; font-size: 13px; line-height: 1; transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease); }
.btn:focus-visible, .step-btn:focus-visible, .nav-links a:focus-visible, .brand:focus-visible { outline: 3px solid rgba(var(--signal-rgb), .32); outline-offset: 3px; }
.btn-primary { color: var(--signal-text); background: var(--signal); box-shadow: 0 0 0 1px rgba(var(--signal-rgb), .16), 0 0 24px rgba(var(--signal-rgb), .16); }
.btn-primary::after { content: ''; position: absolute; inset: -80% auto -80% -35%; width: 28%; background: linear-gradient(90deg, transparent, rgba(255,255,255,.45), transparent); transform: skewX(-18deg) translateX(-180%); transition: transform .7s var(--ease); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -14px rgba(var(--signal-rgb), .85), 0 0 34px rgba(var(--signal-rgb), .24); }
.btn-primary:hover::after { transform: skewX(-18deg) translateX(650%); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { border-color: var(--border); color: var(--text-muted); background: var(--surface-2); }
.btn-secondary:hover { border-color: rgba(var(--signal-rgb), .35); color: var(--text); background: var(--surface-3); }
.btn-quiet { border-color: transparent; color: var(--text-faint); background: rgba(255,255,255,.025); }
.btn-quiet:hover { border-color: var(--danger-border); color: var(--danger); background: var(--danger-bg); }
.btn-danger { border-color: var(--danger-border); color: var(--danger); background: var(--danger-bg); }
.btn-danger:hover { background: rgba(var(--danger-rgb), .15); }
.btn:disabled { opacity: .48; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-block { width: 100%; }
.btn-sm { min-height: 38px; padding: 8px 13px; font-size: 12px; }
.btn-lg { min-height: 52px; padding-inline: 24px; font-size: 14px; }
.btn-icon { width: 42px; padding: 0; }

/* Step editor */
.steps-group { margin-bottom: 0; }
.step-item { position: relative; display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; padding: 15px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(23,27,33,.72); transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.step-item:focus-within { border-color: rgba(var(--signal-rgb), .32); box-shadow: 0 0 28px rgba(var(--signal-rgb), .055); }
.step-num { width: 28px; height: 28px; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; margin-top: 6px; border-radius: 9px; color: var(--signal); background: rgba(var(--signal-rgb), .075); font-family: var(--font-mono); font-size: 11px; font-weight: 700; }
.step-fields { min-width: 0; flex: 1; display: grid; gap: 10px; }
.step-fields-row { display: grid; grid-template-columns: 135px minmax(0, 1fr); gap: 10px; }
.step-fields-row-split { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.compact-field { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) 105px; align-items: center; gap: 8px; padding-left: 11px; border: 1px solid var(--border-soft); border-radius: 10px; color: var(--text-faint); background: rgba(255,255,255,.012); font-size: 10.5px; }
.compact-field .number-suffix { min-width: 0; border-width: 0 0 0 1px; border-radius: 0; }
.compact-field .form-control { min-height: 39px; }
.step-remove { width: 30px; height: 30px; flex: 0 0 auto; margin-top: 4px; padding: 0; border: 0; border-radius: 9px; color: var(--text-faint); background: transparent; cursor: pointer; font-size: 20px; line-height: 1; transition: color .16s var(--ease), background .16s var(--ease); }
.step-remove:hover { color: var(--danger); background: var(--danger-bg); }

/* Status and result */
.alert { margin-bottom: 18px; padding: 13px 15px; border: 1px solid; border-radius: var(--radius-sm); font-size: 12.5px; }
.alert-error { border-color: var(--danger-border); color: #ff8b86; background: var(--danger-bg); }
.alert-success { border-color: rgba(var(--signal-rgb), .28); color: var(--signal); background: rgba(var(--signal-rgb), .07); }
.spinner-inline { width: 14px; height: 14px; display: inline-block; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.result-container { padding-top: 6px; }
.result-box { padding: 28px 22px; border: 1px solid rgba(var(--signal-rgb), .35); border-radius: var(--radius-lg); text-align: center; background: radial-gradient(circle at 50% 0, rgba(var(--signal-rgb), .1), transparent 52%), rgba(var(--signal-rgb), .035); box-shadow: inset 0 0 36px rgba(var(--signal-rgb), .035), var(--glow-soft); }
.result-box h3 { font-size: 22px; }
.link-display { min-width: 0; display: flex; align-items: center; gap: 8px; margin: 14px 0; padding: 8px 8px 8px 13px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); }
.link-display input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--text); background: transparent; font-family: var(--font-mono); font-size: 11.5px; }
.edit-link-display { border-color: rgba(246,189,96,.24); background: rgba(246,189,96,.045); }
.edit-link-display input { color: #f6bd60; }
.share-panel { margin-bottom: 18px; padding: 16px; border: 1px solid var(--border-soft); border-radius: var(--radius); background: rgba(255,255,255,.014); }
.share-panel > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.share-panel > div:first-child span { color: var(--text-faint); font-size: 11.5px; }
.share-panel > div:first-child strong { color: var(--signal); font-size: 11px; }
.share-panel .link-display { margin-bottom: 0; }

/* Edit page */
.edit-shell { max-width: 800px; padding-top: 34px; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 4px; padding: 16px; border: 1px solid var(--border-soft); border-radius: var(--radius); background: rgba(255,255,255,.014); }
.toggle-row strong { font-size: 13px; }
.switch { width: 46px; height: 26px; position: relative; display: inline-block; flex: 0 0 auto; }
.switch input { width: 0; height: 0; opacity: 0; }
.slider { position: absolute; inset: 0; border: 1px solid var(--border); border-radius: 999px; background: var(--surface-3); cursor: pointer; transition: .2s var(--ease); }
.slider::before { content: ''; position: absolute; left: 3px; bottom: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--text-faint); transition: .2s var(--ease); }
.switch input:focus-visible + .slider { outline: 3px solid rgba(var(--signal-rgb), .25); outline-offset: 2px; }
.switch input:checked + .slider { border-color: rgba(var(--signal-rgb), .4); background: rgba(var(--signal-rgb), .14); }
.switch input:checked + .slider::before { transform: translateX(20px); background: var(--signal); }
.edit-actions { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border-soft); }
.state-shell { max-width: 520px; margin: 60px auto; }
.empty-card { text-align: center; }
.empty-card h2 { margin: 14px 0 6px; font-size: 21px; }
.empty-card p { margin: 0 0 20px; color: var(--text-muted); font-size: 13px; }
.state-icon { min-width: 48px; width: max-content; height: 48px; display: flex; align-items: center; justify-content: center; margin: 0 auto; padding: 0 12px; border: 1px solid rgba(var(--signal-rgb), .28); border-radius: 15px; color: var(--signal); background: rgba(var(--signal-rgb), .06); box-shadow: var(--glow-soft); font-family: var(--font-mono); font-weight: 800; }

/* Unlock page */
.unlock-wrap { max-width: 610px; margin: 0 auto; padding: 22px 0 64px; }
.unlock-card { overflow: hidden; border: 1px solid rgba(var(--signal-rgb), .15); border-radius: var(--radius-xl); background: radial-gradient(440px 220px at 100% 0, rgba(var(--signal-rgb), .07), transparent 70%), rgba(17,20,25,.94); box-shadow: 0 30px 90px -56px #000, 0 0 72px rgba(var(--signal-rgb), .075), inset 0 1px 0 rgba(255,255,255,.035); }
.unlock-cover { width: 100%; aspect-ratio: 16/8.2; position: relative; overflow: hidden; background: var(--surface-2); }
.unlock-cover::after { content: ''; position: absolute; inset: auto 0 0; height: 46%; background: linear-gradient(transparent, rgba(17,20,25,.85)); }
.unlock-cover img { width: 100%; height: 100%; object-fit: cover; }
.unlock-content { padding: 32px; }
.unlock-eyebrow { margin-bottom: 13px; }
.unlock-title { margin: 0 0 9px; font-size: clamp(24px, 5vw, 32px); line-height: 1.25; letter-spacing: -.035em; }
.unlock-desc { margin: 0 0 25px; color: var(--text-muted); font-size: 13.5px; line-height: 1.65; }
.unlock-progress { margin-bottom: 18px; padding: 13px 14px; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: rgba(255,255,255,.014); }
.unlock-progress-head { display: flex; justify-content: space-between; margin-bottom: 8px; color: var(--text-faint); font-size: 10.5px; }
.unlock-progress-head strong { color: var(--signal); font-family: var(--font-mono); font-size: 10.5px; }
.progress-track { height: 5px; overflow: hidden; border-radius: 999px; background: var(--surface-3); }
.progress-track span { width: 0; height: 100%; display: block; border-radius: inherit; background: var(--signal); box-shadow: 0 0 14px rgba(var(--signal-rgb), .4); transition: width .35s var(--ease); }
.steps-list { display: grid; gap: 10px; }
.step-btn { width: 100%; min-height: 72px; display: flex; align-items: center; gap: 13px; padding: 12px 13px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); background: var(--surface-2); cursor: pointer; text-align: left; transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease); }
.step-btn:hover:not(.is-waiting):not(.is-done) { transform: translateY(-1px); border-color: rgba(var(--signal-rgb), .36); background: var(--surface-3); }
.step-btn.is-waiting, .step-btn.is-done { cursor: default; }
.step-btn-icon { width: 43px; height: 43px; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
.step-btn-icon svg { width: 20px; height: 20px; }
.step-btn-copy { min-width: 0; flex: 1; display: grid; gap: 2px; }
.step-btn-label { overflow: hidden; color: var(--text); font-size: 13.5px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.step-btn-meta { color: var(--text-faint); font-size: 10.5px; }
.step-btn-status { width: 32px; height: 32px; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; color: var(--text-faint); }
.step-btn-status svg { width: 15px; height: 15px; }
.step-btn.is-waiting { border-color: rgba(var(--signal-rgb), .65); background: rgba(var(--signal-rgb), .055); box-shadow: 0 0 0 2px rgba(var(--signal-rgb), .08), 0 0 30px rgba(var(--signal-rgb), .12); animation: glowPulse 1.8s var(--ease) infinite; }
.step-btn.is-done { border-color: rgba(var(--signal-rgb), .24); background: linear-gradient(90deg, rgba(var(--signal-rgb), .038), rgba(var(--signal-rgb), .012) 68%); box-shadow: inset 3px 0 0 rgba(var(--signal-rgb), .42), inset 0 0 24px rgba(var(--signal-rgb), .018), 0 0 24px rgba(var(--signal-rgb), .04); opacity: 1; }
.step-btn.is-done .step-btn-icon { border-color: rgba(var(--signal-rgb), .14); background: rgba(var(--signal-rgb), .025); filter: saturate(.82); opacity: .86; }
.step-btn.is-done .step-btn-label { color: #eef1eb; }
.step-btn.is-done .step-btn-meta { color: var(--text-faint); }
.check-mark { width: 30px; height: 30px; position: relative; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(var(--signal-rgb), .38); border-radius: 50%; background: linear-gradient(145deg, rgba(var(--signal-rgb), .14), rgba(var(--signal-rgb), .045)); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), inset 0 0 12px rgba(var(--signal-rgb), .08), 0 0 18px rgba(var(--signal-rgb), .13); }
.check-mark::before { content: ''; width: 6px; height: 11px; border-right: 2px solid var(--signal); border-bottom: 2px solid var(--signal); transform: translateY(-1px) rotate(45deg); }
.countdown-circle { width: 26px; height: 26px; border: 2px solid var(--border); border-top-color: var(--signal); border-radius: 50%; animation: spin .8s linear infinite; }
.final-unlock-box { margin-top: 18px; }
.unlock-error-slot:not(:empty) { margin-top: 12px; }
.unlock-error-slot .alert { margin-bottom: 0; }
.btn-unlock { width: 100%; min-height: 54px; position: relative; isolation: isolate; overflow: hidden; display: flex; align-items: center; justify-content: center; gap: 9px; padding: 13px 18px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-faint); background: var(--surface-2); cursor: not-allowed; font-size: 13.5px; font-weight: 750; transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .2s var(--ease); }
.btn-unlock > * { position: relative; z-index: 2; }
.btn-unlock:not(:disabled) { border-color: transparent; color: var(--signal-text); background: linear-gradient(105deg, rgba(var(--signal-rgb), .92), var(--signal) 46%, rgba(var(--signal-rgb), .9)); box-shadow: 0 10px 34px -18px rgba(var(--signal-rgb), .95), 0 0 32px rgba(var(--signal-rgb), .2); cursor: pointer; animation: unlockReadyPulse 2.4s var(--ease) infinite; }
.btn-unlock:not(:disabled)::before { content: ''; position: absolute; z-index: 1; top: -60%; bottom: -60%; left: -34%; width: 24%; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent); filter: blur(1px); transform: skewX(-20deg) translateX(-190%); animation: unlockSweep 3.2s var(--ease) infinite; }
.btn-unlock:not(:disabled)::after { content: ''; position: absolute; z-index: 1; inset: 1px; pointer-events: none; border: 1px solid rgba(255,255,255,.2); border-radius: calc(var(--radius) - 2px); box-shadow: inset 0 1px 0 rgba(255,255,255,.16), inset 0 -10px 24px rgba(0,0,0,.06); }
.btn-unlock:not(:disabled):hover { transform: translateY(-2px); box-shadow: 0 15px 38px -18px rgba(var(--signal-rgb), 1), 0 0 52px rgba(var(--signal-rgb), .34); }
.btn-unlock:not(:disabled):active { transform: translateY(0) scale(.995); }
.btn-unlock svg { width: 17px; height: 17px; }
.btn-unlock:not(:disabled) svg { filter: drop-shadow(0 0 5px rgba(255,255,255,.3)); animation: unlockIconFloat 1.8s var(--ease) infinite; }
.unlock-note { margin: 13px 0 0; color: var(--text-faint); text-align: center; font-size: 10.5px; }

/* Admin */
.admin-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; padding: 48px 0 24px; }
.admin-heading h1 { margin: 0; font-size: 36px; line-height: 1.15; letter-spacing: -.04em; }
.admin-heading > p { max-width: 360px; margin: 0; color: var(--text-faint); font-size: 12.5px; text-align: right; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 22px; }
.stat-grid-two { grid-template-columns: 1fr 1fr; margin: 16px 0 22px; }
.stat-card { position: relative; overflow: hidden; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease); }
.stat-card:hover { transform: translateY(-2px); border-color: rgba(var(--signal-rgb), .22); box-shadow: 0 12px 32px -22px rgba(0,0,0,.9), 0 0 28px rgba(var(--signal-rgb), .055); }
.stat-card::after { content: ''; position: absolute; top: 0; right: 0; width: 90px; height: 90px; border-radius: 50%; background: rgba(var(--signal-rgb), .06); filter: blur(22px); transform: translate(30%, -35%); }
.stat-label { color: var(--text-muted); font-size: 11.5px; font-weight: 650; }
.stat-card .num { margin-top: 8px; color: var(--text); font-family: var(--font-mono); font-size: 30px; font-weight: 750; line-height: 1.2; }
.stat-card .lbl { margin-top: 4px; color: var(--text-faint); font-size: 10.5px; }
.admin-list-card { margin-bottom: 70px; padding: 0; overflow: hidden; border-radius: var(--radius-lg); }
.admin-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 24px; border-bottom: 1px solid var(--border-soft); }
.admin-toolbar h2 { margin: 0 0 2px; font-size: 18px; }
.admin-toolbar p { margin: 0; color: var(--text-faint); font-size: 11.5px; }
.search-form { display: flex; gap: 8px; }
.search-form .form-control { width: 230px; min-height: 38px; padding-block: 8px; }
.table-wrap { overflow-x: auto; }
table.admin-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.admin-table th, table.admin-table td { padding: 13px 14px; border-bottom: 1px solid var(--border-soft); text-align: left; vertical-align: middle; }
table.admin-table th { color: var(--text-faint); background: rgba(255,255,255,.012); font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; letter-spacing: .055em; text-transform: uppercase; white-space: nowrap; }
table.admin-table tbody tr { transition: background .15s var(--ease); }
table.admin-table tbody tr:hover { background: rgba(255,255,255,.018); }
table.admin-table tbody tr:last-child td { border-bottom: 0; }
table.admin-table code { color: var(--signal); font-size: 11px; }
.table-title { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.table-actions { white-space: nowrap; }
.table-actions .btn { margin: 2px 2px 2px 0; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: 999px; font-size: 9.5px; font-weight: 700; white-space: nowrap; }
.badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.badge-active { color: var(--signal); background: rgba(var(--signal-rgb), .09); }
.badge-inactive { color: var(--danger); background: var(--danger-bg); }
.pagination { display: flex; justify-content: center; gap: 8px; padding: 18px; border-top: 1px solid var(--border-soft); }
.empty-state { padding: 50px 20px; color: var(--text-faint); text-align: center; }

/* Authentication */
.auth-page { min-height: calc(100vh - 75px); display: grid; place-items: center; }
.auth-shell { width: min(420px, 100%); padding: 32px 20px; text-align: center; }
.auth-shell > .language-switcher { margin: 0 auto 18px; }
.auth-card { text-align: left; }
.auth-card { box-shadow: 0 30px 90px -48px #000, 0 0 70px rgba(var(--signal-rgb), .085), inset 0 1px 0 rgba(255,255,255,.035); }
.auth-heading { margin-bottom: 26px; text-align: center; }
.auth-heading .section-kicker { margin-top: 17px; }
.auth-heading h1 { margin: 2px 0 5px; font-size: 25px; letter-spacing: -.035em; }
.auth-heading > p:last-child { margin: 0; color: var(--text-muted); font-size: 12.5px; }
.back-link { display: inline-block; margin-top: 18px; color: var(--text-faint); font-size: 12.5px; }
.back-link:hover { color: var(--signal); }

/* Footer */
.site-footer { min-height: 75px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 20px; color: var(--text-faint); background: var(--bg); font-size: 10.5px; }
.footer-separator { width: 3px; height: 3px; border-radius: 50%; background: var(--border); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 2px rgba(var(--signal-rgb), .07), 0 0 24px rgba(var(--signal-rgb), .09); }
  50% { box-shadow: 0 0 0 2px rgba(var(--signal-rgb), .12), 0 0 42px rgba(var(--signal-rgb), .18); }
}
@keyframes unlockReadyPulse {
  0%, 100% { box-shadow: 0 10px 34px -18px rgba(var(--signal-rgb), .9), 0 0 28px rgba(var(--signal-rgb), .17); }
  50% { box-shadow: 0 12px 38px -16px rgba(var(--signal-rgb), 1), 0 0 46px rgba(var(--signal-rgb), .3); }
}
@keyframes unlockSweep {
  0%, 18% { transform: skewX(-20deg) translateX(-190%); opacity: 0; }
  28% { opacity: .9; }
  52%, 100% { transform: skewX(-20deg) translateX(700%); opacity: 0; }
}
@keyframes unlockIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-1.5px); }
}
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border: 2px solid var(--bg); border-radius: 10px; background: var(--border); }

@media (max-width: 760px) {
  .container { padding-inline: 18px; }
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: clamp(35px, 11vw, 48px); }
  .hero > p { font-size: 14px; }
  .card { padding: 25px; border-radius: var(--radius-lg); }
  .form-row, .form-row-cover { grid-template-columns: 1fr; gap: 0; }
  .step-fields-row, .step-fields-row-split { grid-template-columns: 1fr; }
  .compact-field { grid-template-columns: minmax(0, 1fr) 110px; }
  .admin-heading { display: block; padding-top: 34px; }
  .admin-heading > p { margin-top: 8px; text-align: left; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-grid-two { grid-template-columns: 1fr 1fr; }
  .admin-toolbar { align-items: flex-start; flex-direction: column; }
  .search-form, .search-form .form-control { width: 100%; }
  .unlock-wrap { padding-top: 12px; }
}

@media (max-width: 520px) {
  .navbar { min-height: 68px; }
  .brand { font-size: 16px; }
  .logo-dot { width: 31px; height: 31px; }
  .nav-links { gap: 10px; }
  .nav-links > a:not(.nav-pill) { display: none; }
  .nav-pill { padding: 7px 10px; font-size: 11px !important; }
  .language-switcher a { min-width: 31px; height: 25px; padding-inline: 6px; font-size: 9px; }
  .navbar-minimal .language-switcher { right: 0; }
  .hero { padding-top: 38px; }
  .hero h1 { letter-spacing: -.045em; }
  .hero-points { display: grid; gap: 5px; text-align: left; }
  .create-shell { padding-bottom: 44px; }
  .card { padding: 20px; }
  .card-heading { display: block; }
  .step-badge { display: inline-flex; margin-top: 12px; }
  .preset-panel { padding: 15px; }
  .preset-picker { grid-template-columns: 1fr 1fr; }
  .preset-picker .form-control { grid-column: 1 / -1; }
  .preset-save { grid-template-columns: 1fr; }
  .preset-save .btn { width: 100%; }
  .form-section { padding-top: 24px; margin-top: 24px; }
  .countdown-setting { align-items: flex-start; flex-direction: column; }
  .countdown-setting > .number-suffix { width: 100%; }
  .step-item { padding: 13px 11px; gap: 9px; }
  .step-num { width: 25px; height: 25px; }
  .step-remove { position: absolute; top: 7px; right: 7px; background: var(--surface-3); }
  .step-fields { padding-right: 29px; }
  .compact-field { grid-template-columns: 1fr; padding: 9px 9px 0; gap: 5px; }
  .compact-field .number-suffix { margin-inline: -9px; border-width: 1px 0 0; }
  .form-submit-area p { text-align: left; }
  .link-display { align-items: stretch; flex-direction: column; padding: 10px; }
  .link-display input { width: 100%; padding: 5px; }
  .share-panel > div:first-child { align-items: flex-start; flex-direction: column; gap: 1px; }
  .edit-actions { grid-template-columns: 1fr; }
  .stat-grid-two { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-grid-two .stat-card { padding: 15px; }
  .stat-grid-two .num { font-size: 24px; }
  .unlock-content { padding: 24px 18px; }
  .unlock-cover { aspect-ratio: 16/9; }
  .step-btn { min-height: 68px; padding: 11px; }
  .step-btn-icon { width: 40px; height: 40px; }
  .step-btn-meta { white-space: normal; }
  .site-footer { align-items: center; flex-direction: column; gap: 2px; text-align: center; }
  .footer-separator { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}