:root {
  color-scheme: dark;
  --bg: #08100f;
  --panel: rgba(18, 31, 29, .84);
  --panel-solid: #12201e;
  --panel-soft: rgba(255, 255, 255, .045);
  --line: rgba(255, 255, 255, .105);
  --text: #f2f8f6;
  --muted: #91a49f;
  --faint: #667b75;
  --accent: #2ee59d;
  --accent-strong: #11c980;
  --accent-dark: #073f30;
  --warning: #ffbd59;
  --danger: #ff6b75;
  --blue: #67a7ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, .36);
  --radius: 28px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 12%, rgba(46, 229, 157, .13), transparent 32rem),
    radial-gradient(circle at 88% 82%, rgba(50, 128, 255, .09), transparent 30rem),
    linear-gradient(145deg, #07100e 0%, #0a1413 44%, #08110f 100%);
  letter-spacing: -.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

button, input { font: inherit; }

button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(46, 229, 157, .45);
  outline-offset: 3px;
}

.shell {
  position: relative;
  width: min(1120px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 0 24px;
  display: flex;
  flex-direction: column;
}

.shell-login { align-items: center; justify-content: center; padding-block: 48px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 38px;
}

.brand-lockup { display: flex; align-items: center; gap: 16px; }
.brand-lockup h1, .brand-title { margin: 2px 0 0; font-size: 28px; font-weight: 720; letter-spacing: -.035em; }
.brand-lockup-small { gap: 12px; }
.brand-lockup-small .brand-mark { width: 44px; height: 44px; border-radius: 14px; }
.brand-lockup-small .brand-title { font-size: 20px; }

.brand-mark {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: var(--accent);
  border: 1px solid rgba(46, 229, 157, .24);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(46, 229, 157, .14), rgba(46, 229, 157, .035));
  box-shadow: inset 0 1px rgba(255,255,255,.08), 0 16px 40px rgba(0,0,0,.2);
}

.brand-mark svg { width: 72%; fill: none; stroke: currentColor; stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round; }
.brand-mark circle { fill: currentColor; stroke: none; }

.eyebrow { margin: 0; color: var(--accent); font-size: 11px; font-weight: 760; letter-spacing: .17em; }
.lead { margin: 12px 0 0; max-width: 630px; color: var(--muted); font-size: 17px; line-height: 1.65; }

.login-card {
  width: min(490px, 100%);
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(155deg, rgba(24, 40, 37, .96), rgba(14, 27, 25, .9));
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.055);
  backdrop-filter: blur(24px);
}

.login-card .lead { margin-top: 28px; }
.auth-form { margin-top: 30px; }
.auth-form label { display: block; margin: 0 0 9px; color: #c9d6d2; font-size: 14px; font-weight: 620; }

.password-field { position: relative; }
.password-field input {
  width: 100%; height: 54px; padding: 0 16px 0 48px;
  color: var(--text); border: 1px solid var(--line); border-radius: 15px;
  background: rgba(4, 12, 10, .5); transition: border-color .2s, box-shadow .2s;
}
.password-field input:hover { border-color: rgba(255,255,255,.2); }
.password-field input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(46,229,157,.08); }
.field-icon { position: absolute; left: 17px; top: 50%; width: 20px; height: 20px; color: var(--faint); transform: translateY(-50%); }
.field-icon svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.button {
  min-height: 43px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 1px solid transparent; border-radius: 13px; cursor: pointer; font-weight: 680;
  color: var(--text); background: transparent; transition: transform .15s, background .15s, border-color .15s, opacity .15s;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:disabled { cursor: not-allowed; opacity: .42; transform: none; }
.button-primary { color: #03291e; background: linear-gradient(135deg, #4cf0ad, #20d891); box-shadow: 0 12px 26px rgba(24, 209, 134, .18); }
.button-primary:hover { background: linear-gradient(135deg, #64f4ba, #30e09b); }
.button-secondary { border-color: var(--line); background: var(--panel-soft); }
.button-secondary:hover, .button-quiet:hover { border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.08); }
.button-quiet { min-height: 38px; border-color: var(--line); color: var(--muted); }
.button-wide { width: 100%; margin-top: 17px; min-height: 52px; }
.button-copy { min-width: 112px; border-color: rgba(46, 229, 157, .22); color: var(--accent); background: rgba(46,229,157,.075); }
.button-copy svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.security-note { margin-top: 24px; padding-top: 22px; display: flex; align-items: center; justify-content: center; gap: 9px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }
.status-dot { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(46,229,157,.075), 0 0 16px rgba(46,229,157,.45); }

.topbar-actions { display: flex; align-items: center; gap: 18px; }
.server-state { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 13px; }

.workspace {
  flex: 1; padding: clamp(26px, 5vw, 58px); border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(20, 35, 32, .82), rgba(12, 24, 22, .72));
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.045); backdrop-filter: blur(22px);
}

.workspace-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 36px; }
.workspace h1 { margin: 8px 0 0; font-size: clamp(30px, 5vw, 48px); line-height: 1.08; letter-spacing: -.055em; }

.server-badge { flex: 0 0 auto; min-width: 235px; padding: 13px 16px; display: flex; gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 15px; color: #cbd8d4; background: rgba(255,255,255,.035); font-size: 13px; }
.server-badge small { display: block; margin-bottom: 3px; color: var(--faint); font-size: 10px; letter-spacing: .08em; }
.globe { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; color: var(--accent); background: rgba(46,229,157,.09); font-size: 22px; }

.notice { margin: 26px 0 -6px; padding: 13px 15px; display: flex; align-items: center; gap: 11px; border: 1px solid var(--line); border-radius: 13px; color: #dce6e3; background: rgba(255,255,255,.045); font-size: 14px; }
.notice-icon { width: 23px; height: 23px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; font-weight: 800; }
.notice-success { border-color: rgba(46,229,157,.2); background: rgba(46,229,157,.07); }
.notice-success .notice-icon { color: #05291f; background: var(--accent); }
.notice-warning { border-color: rgba(255,189,89,.22); background: rgba(255,189,89,.065); }
.notice-warning .notice-icon { color: #332106; background: var(--warning); }
.notice-error { border-color: rgba(255,107,117,.25); background: rgba(255,107,117,.07); }
.notice-error .notice-icon { color: white; background: var(--danger); }

.pairing-card { margin-top: 34px; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: rgba(4, 13, 11, .46); box-shadow: inset 0 1px rgba(255,255,255,.03); }
.pairing-card-top { padding: clamp(24px, 4vw, 38px); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.section-label { margin: 0 0 12px; color: var(--faint); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.code { margin: 0; color: var(--text); font-family: "SF Mono", "Roboto Mono", ui-monospace, monospace; font-size: clamp(38px, 8vw, 68px); font-weight: 680; letter-spacing: .09em; line-height: 1; text-shadow: 0 0 30px rgba(46,229,157,.07); }

.time-panel { padding: 24px clamp(24px, 4vw, 38px); display: grid; grid-template-columns: auto minmax(120px, 1fr) auto; align-items: center; gap: 26px; border-block: 1px solid var(--line); background: rgba(255,255,255,.025); }
.countdown-block { min-width: 126px; display: flex; align-items: center; gap: 13px; }
.timer-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--accent); border-radius: 12px; background: rgba(46,229,157,.08); font-size: 23px; }
.time-panel small { display: block; margin-bottom: 4px; color: var(--faint); font-size: 11px; }
.countdown-block strong { font-family: "SF Mono", ui-monospace, monospace; font-size: 22px; letter-spacing: .03em; }
.expiry-at { min-width: 140px; text-align: right; }
.expiry-at time { color: #cbd7d3; font-size: 13px; white-space: nowrap; }
.expiry-progress { width: 100%; height: 6px; appearance: none; border: 0; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.08); }
.expiry-progress::-webkit-progress-bar { background: rgba(255,255,255,.08); }
.expiry-progress::-webkit-progress-value { border-radius: 999px; background: linear-gradient(90deg, var(--accent-strong), var(--accent)); transition: width .25s linear; }
.expiry-progress::-moz-progress-bar { border-radius: 999px; background: linear-gradient(90deg, var(--accent-strong), var(--accent)); }

.pairing-actions { padding: 21px clamp(24px, 4vw, 38px); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hint { margin: 0; color: var(--faint); font-size: 12px; line-height: 1.5; }
.hint span { margin-right: 5px; color: var(--muted); }

.pairing-expired .code { color: var(--faint); text-decoration: line-through; text-decoration-thickness: 2px; }
.pairing-expired .timer-icon { color: var(--danger); background: rgba(255,107,117,.08); }
.pairing-expired .countdown-block strong { color: var(--danger); }

.empty-card { padding: clamp(36px, 6vw, 64px); text-align: center; }
.empty-card h2 { margin: 4px 0 10px; font-size: 28px; letter-spacing: -.035em; }
.empty-card > p:not(.section-label) { max-width: 490px; margin: 0 auto 26px; color: var(--muted); line-height: 1.6; }
.empty-visual { position: relative; width: 106px; height: 106px; margin: 0 auto 25px; display: grid; place-items: center; }
.empty-visual span { position: absolute; inset: 0; border: 1px solid rgba(46,229,157,.09); border-radius: 50%; }
.empty-visual span:nth-child(2) { inset: 14px; }
.empty-visual span:nth-child(3) { inset: 28px; background: rgba(46,229,157,.055); }
.empty-visual svg { position: relative; width: 44px; fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.steps { margin-top: 34px; display: flex; align-items: center; justify-content: center; gap: 14px; }
.step { min-width: 170px; display: flex; align-items: center; gap: 11px; }
.step > span { width: 30px; height: 30px; display: grid; place-items: center; flex: 0 0 auto; color: var(--accent); border: 1px solid rgba(46,229,157,.22); border-radius: 10px; background: rgba(46,229,157,.065); font-size: 12px; font-weight: 800; }
.step p { margin: 0; }
.step strong, .step small { display: block; }
.step strong { color: #cbd7d3; font-size: 12px; }
.step small { margin-top: 3px; color: var(--faint); font-size: 10px; }
.step-line { width: min(6vw, 70px); height: 1px; background: var(--line); }

footer { padding: 22px 6px 0; display: flex; justify-content: center; gap: 8px; color: var(--faint); font-size: 11px; }

.toast { position: fixed; z-index: 10; left: 50%; bottom: max(28px, env(safe-area-inset-bottom)); padding: 12px 18px; color: #06251c; border-radius: 12px; background: var(--accent); box-shadow: 0 18px 50px rgba(0,0,0,.35); font-size: 13px; font-weight: 700; opacity: 0; transform: translate(-50%, 18px); pointer-events: none; transition: opacity .2s, transform .2s; }
.toast-visible { opacity: 1; transform: translate(-50%, 0); }
.clipboard-fallback { position: fixed; left: -9999px; top: 0; opacity: 0; }

@media (max-width: 760px) {
  .shell { width: min(100% - 24px, 680px); padding-top: 18px; }
  .topbar { margin-bottom: 18px; }
  .server-state { display: none; }
  .workspace { padding: 24px 18px; border-radius: 22px; }
  .workspace-heading { display: block; }
  .server-badge { width: 100%; min-width: 0; margin-top: 22px; }
  .pairing-card { margin-top: 25px; border-radius: 19px; }
  .pairing-card-top { align-items: flex-end; padding: 26px 20px; }
  .code { letter-spacing: .04em; }
  .button-copy { min-width: 90px; padding-inline: 13px; }
  .time-panel { padding: 20px; grid-template-columns: 1fr auto; gap: 18px; }
  .expiry-progress { grid-column: 1 / -1; grid-row: 2; }
  .pairing-actions { align-items: stretch; flex-direction: column; padding: 19px 20px; }
  .pairing-actions .button, .pairing-actions form { width: 100%; }
  .steps { align-items: stretch; flex-direction: column; gap: 12px; }
  .step { min-width: 0; }
  .step-line { width: 1px; height: 12px; margin-left: 15px; }
  footer { flex-wrap: wrap; }
}

@media (max-width: 460px) {
  .login-card { padding: 30px 22px; border-radius: 25px; }
  .login-card .brand-mark { width: 54px; height: 54px; }
  .brand-lockup h1 { font-size: 24px; }
  .brand-lockup-small .eyebrow { display: none; }
  .brand-lockup-small .brand-title { margin: 0; }
  .workspace h1 { font-size: 32px; }
  .pairing-card-top { align-items: stretch; flex-direction: column; }
  .button-copy { width: 100%; }
  .code { font-size: clamp(34px, 13vw, 48px); white-space: nowrap; }
  .time-panel { grid-template-columns: 1fr; }
  .expiry-progress { grid-column: 1; grid-row: auto; }
  .expiry-at { text-align: left; }
}

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

@media (prefers-contrast: more) {
  :root { --line: rgba(255,255,255,.34); --muted: #c1d0cc; --faint: #a7b9b4; }
  .button-primary { border-color: white; }
}