:root{
  --ink:        #0a0b0c;
  --panel:      #141516;
  --panel-2:    #1c1d1e;
  --line:       rgba(255,255,255,0.10);
  --line-input: rgba(255,255,255,0.12);
  --line-soft:  rgba(255,255,255,0.06);
  --text:       #f1efe9;
  --text-muted: #a9a49a;
  --text-dim:   #786f5f;
  --placeholder:#5f594c;
  --accent:     #c9834a;
  --accent-hover:#DA8A4C;
  --accent-2:   #4F9B8F;
  --coords-ok:  #7fae8a;
  --danger:     #D2624A;
  --on-accent:  #0a0b0c;
  --body-earth:   #5E7A4F;
  --body-moon:    #A8A69D;
  --body-mars:    #A8552F;
  --body-mercury: #6E655C;
  --body-ceres:   #918878;
  --body-vesta:   #B49468;

  --toggle-bg:      rgba(255,255,255,0.10);
  --toggle-border:  rgba(255,255,255,0.18);
  --contour-opacity: 0.15;
  --glow-hover: rgba(201,131,74,0.35);
  --glow-hover-2: rgba(79,155,143,0.35);
  --glow-blur: 14px;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body:    "Inter", -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 20px;

  color-scheme: dark;
}

:root[data-theme="light"]{
  --ink:        #f1ede3;
  --panel:      #f8f5ee;
  --panel-2:    #fbfaf6;
  --line:       #cabfa9;
  --line-input: #cabfa9;
  --line-soft:  rgba(43,38,32,0.08);
  --text:       #2b2620;
  --text-muted: #8a8074;
  --text-dim:   #a39785;
  --placeholder:#a89d8a;
  --on-accent:  #f1ede3;
  --toggle-bg:      rgba(0,0,0,0.05);
  --toggle-border:  rgba(0,0,0,0.12);
  --contour-opacity: 0.30;
  --glow-hover: rgba(201,131,74,0.22);
  --glow-hover-2: rgba(79,155,143,0.22);
  --glow-blur: 10px;

  color-scheme: light;
}

*{ box-sizing: border-box; }
[hidden]{ display:none !important; }

html, body{
  margin:0; padding:0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  transition: background .3s ease, color .3s ease;
}
::selection{ background: var(--accent); color: var(--on-accent); }
a{ text-decoration:none; color: inherit; }
input, select, button, textarea{ font-family: inherit; font-size: inherit; color: inherit; }

*{ -webkit-tap-highlight-color: transparent; }

@media (pointer: coarse){
  button:active, a:active, .tc-logout:active, .landmark-chip:active,
  .map-tool-btn:active, .planet-chip:active, .shape-btn:active, .vbtn:active{
    filter: brightness(0.92);
    transform: scale(0.97);
  }
  .generate-btn:active{ transform: translateY(1px); }
}
@media (prefers-reduced-motion: reduce){
  button:active, a:active{ transform: none; }
}

.tc-topbar{
  position: relative; z-index: 2;
  display:flex; align-items:center; gap:14px;
  max-width: 1280px; margin: 0 auto;
  padding: 28px clamp(16px,5vw,56px);
}
.tc-topbar--bordered{ border-bottom: 1px solid var(--line); }

.tc-brand{
  display:flex; align-items:center; gap:12px;
  border-radius: 10px;
  transition: color .2s ease;
}
.tc-brand:hover .tc-brand__mark{ color: var(--accent-hover); }
.tc-brand:hover .tc-brand__title strong{ color: var(--accent); }
.tc-brand:focus-visible{ outline: 2px solid var(--accent); outline-offset: 4px; }
.tc-brand__mark{ transition: color .2s ease; }
.tc-brand__title strong{ transition: color .2s ease; }
.tc-brand__mark{
  color: var(--accent);
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 26px;
  line-height: 1;
}
.tc-brand__title{ display:flex; flex-direction:column; gap:1px; }
.tc-brand__title strong{
  font-family: var(--font-display); font-weight:600; font-size:16px; letter-spacing:0.02em;
}
.tc-brand__title span{ font-size:11.5px; color: var(--text-muted); }

.tc-controls{ margin-left:auto; display:flex; align-items:center; gap:12px; flex-wrap: wrap; }

.tc-btn, .tc-lang, .tc-logout, .tc-login-link, .tc-theme-toggle{
  transition: border-color .2s ease, box-shadow .25s ease, background .2s ease, color .2s ease;
}

.tc-btn, .tc-lang, .tc-logout, .tc-login-link, .tc-theme-toggle, .tc-help,
.map-tool-btn, .planet-chip, .landmark-chip, .fav-star-btn, .fav-add-btn,
.map-search button, .tray-color-card, .advanced-toggle-btn{
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
}
:root[data-theme="light"] .tc-btn,
:root[data-theme="light"] .tc-lang,
:root[data-theme="light"] .tc-logout,
:root[data-theme="light"] .tc-login-link,
:root[data-theme="light"] .tc-theme-toggle,
:root[data-theme="light"] .tc-help,
:root[data-theme="light"] .map-tool-btn,
:root[data-theme="light"] .planet-chip,
:root[data-theme="light"] .landmark-chip,
:root[data-theme="light"] .fav-star-btn,
:root[data-theme="light"] .fav-add-btn,
:root[data-theme="light"] .map-search button,
:root[data-theme="light"] .tray-color-card,
:root[data-theme="light"] .advanced-toggle-btn{
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}
:root[data-theme="light"] .tc-btn:hover,
:root[data-theme="light"] .tc-lang:hover,
:root[data-theme="light"] .tc-logout:hover,
:root[data-theme="light"] .tc-login-link:hover,
:root[data-theme="light"] .tc-theme-toggle:hover,
:root[data-theme="light"] .tc-help:hover,
:root[data-theme="light"] .map-tool-btn:hover,
:root[data-theme="light"] .planet-chip:hover,
:root[data-theme="light"] .landmark-chip:hover,
:root[data-theme="light"] .fav-star-btn:hover,
:root[data-theme="light"] .fav-add-btn:hover,
:root[data-theme="light"] .map-search button:hover,
:root[data-theme="light"] .tray-color-card:hover,
:root[data-theme="light"] .advanced-toggle-btn:hover{
  box-shadow: 0 0 var(--glow-blur) var(--glow-hover);
  border-color: var(--accent);
}
.tc-lang, .tc-logout, .tc-login-link{
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  background: transparent;
}
.tc-lang:hover, .tc-logout:hover, .tc-login-link:hover{
  border-color: var(--accent);
  box-shadow: 0 0 var(--glow-blur) var(--glow-hover);
}

.tc-lang{
  font-size: 12px; font-weight:600; letter-spacing:0.03em;
  padding: 7px 12px; border-radius:7px;
}

.tc-theme-toggle{
  box-sizing: content-box;
  width:38px; height:22px; border-radius:999px;
  background: var(--toggle-bg); border:1px solid var(--toggle-border);
  position:relative; cursor:pointer; flex-shrink:0; padding:0;
}
.tc-theme-toggle:hover{
  border-color: var(--accent);
  box-shadow: 0 0 var(--glow-blur) var(--glow-hover);
}
.tc-theme-toggle__knob{
  position:absolute; top:3px; left:3px;
  width:16px; height:16px; border-radius:50%;
  background: var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-size:11px; line-height:16px; color:#fff5e6;
  transition: left .2s ease;
}
:root[data-theme="light"] .tc-theme-toggle__knob{ left:19px; }

.tc-logout{
  width:32px; height:32px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:13px; line-height:1; color: var(--text-muted);
  flex-shrink: 0;
  padding: 0;
}

.tc-login-link{
  display:flex; align-items:center; gap:8px;
  font-weight:500; font-size:14px; padding:9px 18px; border-radius:7px;
}
.tc-login-link svg{ transition: transform .35s cubic-bezier(.34,1.56,.64,1); }
.tc-login-link:hover svg{ transform: rotate(28deg); }

.tc-pillgroup{ display:flex; border:1px solid var(--line); border-radius:999px; flex-shrink:0; }
.tc-pillgroup button{
  background:none; border:none; padding:7px 16px; font-size:12px; font-weight:600;
  color: var(--text-muted); cursor:pointer; transition: background .2s ease, color .2s ease, box-shadow .25s ease;
}
.tc-pillgroup button:first-child{ border-radius:999px 0 0 999px; }
.tc-pillgroup button:last-child{ border-radius:0 999px 999px 0; }
.tc-pillgroup button.is-active{ background: var(--accent); color: var(--on-accent); }
.tc-pillgroup button:hover{ box-shadow: 0 0 var(--glow-blur) var(--glow-hover); }

.tc-login-screen{
  display:flex; align-items:center; justify-content:center;
  min-height: calc(100vh - 100px); padding:24px;
}
.tc-login-card{
  width:100%; max-width:360px; padding:48px 40px;
  border:1px solid var(--line); border-radius:20px;
  display:flex; flex-direction:column; align-items:center;
  background: var(--ink);
}
.tc-login-card__mark{
  color: var(--accent);
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 34px;
  line-height: 1;
  display: block;
}
.tc-mark-icon{ display:flex; align-items:center; font-size:0; line-height:0; }
.tc-brand__mark.tc-mark-icon svg{ display:block; width:24px; height:24px; }
.tc-login-card__mark.tc-mark-icon svg{ display:block; width:44px; height:44px; }
.tc-login-card__mark.tc-mark-icon svg *{ vector-effect: non-scaling-stroke; stroke-width: 1.8px; }

.tc-login-card__title{ font-family: var(--font-display); font-weight:600; font-size:21px; }
.tc-login-card__sub{ font-size:13px; color: var(--text-muted); margin-bottom:22px; }
.tc-login-card form{ width:100%; display:flex; flex-direction:column; gap:12px; }
.tc-login-card input{
  width:100%; box-sizing:border-box;
  background: var(--panel-2); border:1px solid var(--line-input); border-radius:8px;
  padding:12px 14px; color: var(--text); font-size:13.5px;
}
.tc-login-card input:focus{ outline:none; border-color: var(--accent); }

.tc-pass{ position:relative; display:block; }
.tc-pass input{ padding-right: 42px; }
.tc-pass__eye{
  position:absolute; top:50%; right:6px; transform:translateY(-50%);
  display:inline-flex; align-items:center; justify-content:center;
  width:30px; height:30px; padding:0;
  background:none; border:none; border-radius:6px;
  color: var(--text-dim); cursor:pointer;
  transition: color .2s ease;
}
.tc-pass__eye:hover{ color: var(--accent); }
.tc-pass__eye:focus-visible{ outline:2px solid var(--accent); outline-offset:1px; }
.tc-pass__eye .tc-pass__slash{ opacity:0; transition: opacity .15s ease; }
.tc-pass__eye[aria-pressed="true"]{ color: var(--accent); }
.tc-pass__eye[aria-pressed="true"] .tc-pass__slash{ opacity:1; }

.tc-pass--mismatch input{ border-color: var(--danger); }
.tc-pass--match input{ border-color: var(--coords-ok, var(--accent-2)); }
.tc-login-btn{
  display:flex; align-items:center; justify-content:center; gap:8px;
  background: var(--accent); color: var(--on-accent);
  font-weight:600; font-size:14.5px; padding:13px; border-radius:8px;
  cursor:pointer; margin-top:4px; border:none; transition: background .2s ease;
}
.tc-login-btn:hover{ background: var(--accent-hover); }
.tc-login-error{
  margin: 0; padding: 9px 12px;
  background: rgba(210,98,74,0.12);
  border: 1px solid rgba(210,98,74,0.4);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 12.5px; line-height: 1.4; text-align: center;
}

.tc-consent{
  display:flex; flex-direction:row; align-items:flex-start; gap:8px;
  margin:0; padding:5px 7px;
  border:1px solid transparent; border-radius:6px;
  font-size:11.5px; line-height:1.4; color: var(--text-muted);
  cursor:pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.tc-consent + .tc-consent{ margin-top:1px; }
.tc-consent:hover{ color: var(--text); }
.tc-consent input{
  flex-shrink:0; width:14px; height:14px; margin:1px 0 0;
  accent-color: var(--accent); cursor:pointer;
}
.tc-consent a{ color: var(--accent); text-decoration:underline; text-underline-offset:2px; }

.tc-consent.is-missing{
  border-color: var(--danger);
  background: rgba(210,98,74,0.10);
  animation: tcConsentShake .5s ease;
}
@keyframes tcConsentShake{
  0%,100%{ transform:none; }
  20%{ transform: translateX(-4px); }
  45%{ transform: translateX(4px); }
  70%{ transform: translateX(-2px); }
}
@media (prefers-reduced-motion: reduce){
  .tc-consent.is-missing{ animation:none; }
}

.tc-login-hint--legal{ text-align:left; padding:2px 7px 0; font-size:11px; }

.tc-back-link{ text-align:center; font-size:12px; color: var(--text-muted); margin-top:6px; }
.tc-back-link:hover{ color: var(--accent); }

.tc-link-btn{
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 2px;
  background: none;
  border: none;
  font: inherit;
  font-size: 12px;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .2s ease;
}
.tc-link-btn:hover{ color: var(--accent); }
.tc-link-btn:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.tc-auth-switch{ align-self:center; margin-bottom:20px; }

.tc-login-note{
  width:100%; box-sizing:border-box;
  margin: 0 0 14px; padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text-muted);
  font-size: 12.5px; line-height: 1.45; text-align: center;
}
.tc-login-note--ok{
  border-color: rgba(127,174,138,0.5);
  background: rgba(127,174,138,0.12);
  color: var(--text);
}
.tc-login-hint{
  margin: 0;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width:600px){
  .tc-topbar{ flex-wrap:wrap; row-gap:12px; }
  .tc-controls{ width:100%; justify-content:flex-end; }
  .tc-login-card{ padding:36px 22px; }
}

.tc-sound-toggle{
  display:inline-flex; align-items:center; justify-content:center;
  width:32px; height:32px; padding:0;
  border:1px solid var(--line); border-radius:50%;
  background: transparent; color: var(--text-muted);
  cursor:pointer; flex-shrink:0;
  transition: border-color .2s ease, box-shadow .25s ease, color .2s ease, background .2s ease;
}
.tc-sound-toggle:hover{
  color: var(--text); border-color: var(--accent);
  box-shadow: 0 0 var(--glow-blur) var(--glow-hover);
}
.tc-sound-toggle:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
.tc-sound-toggle[aria-pressed="true"]{
  color: var(--on-accent); background: var(--accent); border-color: var(--accent);
}
.tc-sound-toggle[aria-pressed="true"] .tc-sound-toggle__slash{ display:none; }

@media (pointer: coarse){
  html{
    -webkit-text-size-adjust: 100%;
    overscroll-behavior: none;
  }
  body{
    min-height: 100dvh;
  }
  button, .tc-btn, .map-tool-btn, .vbtn, .landmark-chip, .body-tab,
  .tc-cta, .tc-body-chip{ touch-action: manipulation; }
}

.tc-vol{
  display:inline-flex; align-items:center; gap:8px;
  flex-shrink:0;
  position:relative;
}
.tc-vol[hidden]{ display:none; }

.tc-vol__meter{
  display:flex; align-items:flex-end; gap:3px;
  height:22px; padding:2px 3px;
  border-radius:6px;
  cursor:pointer;
  touch-action:none;
  -webkit-user-select:none; user-select:none;
}
.tc-vol__meter:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }

.tc-vol__bar{
  width:3px;
  border-radius:2px;
  background: var(--line);
  height: var(--h, 8px);
  transition: background .18s ease, opacity .18s ease;
}
.tc-vol__bar.is-on{ background: var(--accent); }
.tc-vol__meter:hover .tc-vol__bar.is-on{ background: var(--accent-hover, var(--accent)); }

.tc-vol.is-playing .tc-vol__bar.is-on{
  animation: tcVolBreath 2.6s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.11s);
}
@keyframes tcVolBreath{
  0%, 100%{ opacity: 1; }
  50%     { opacity: .55; }
}
@media (prefers-reduced-motion: reduce){
  .tc-vol.is-playing .tc-vol__bar.is-on{ animation: none; }
}

.tc-vol__value{
  position:absolute; left:50%; bottom:calc(100% + 6px);
  transform:translateX(-50%);
  padding:2px 6px;
  border:1px solid var(--line); border-radius:6px;
  background: var(--ink);
  color: var(--text); font-size:10.5px;
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  white-space:nowrap; pointer-events:none;
  opacity:0; transition: opacity .15s ease;
}
.tc-vol__meter:hover + .tc-vol__value,
.tc-vol__meter:focus-visible + .tc-vol__value,
.tc-vol.is-adjusting .tc-vol__value{ opacity:1; }

@media (pointer: coarse){
  .tc-vol__meter{ height:28px; gap:4px; padding:2px 5px; }
  .tc-vol__bar{ width:4px; }
}