/* ============================================================
   FlowyAI — strict-minimal, native Telegram theme, rounded + alive.
   ============================================================ */

:root {
  --bg:        var(--tg-theme-secondary-bg-color, #EFEFF4);
  --card:      var(--tg-theme-bg-color, #FFFFFF);
  --text:      var(--tg-theme-text-color, #000000);
  --hint:      var(--tg-theme-hint-color, #8A8A8E);
  --accent:    var(--tg-theme-button-color, #2E7CF6);
  --on-accent: var(--tg-theme-button-text-color, #FFFFFF);
  --link:      var(--tg-theme-link-color, #2E7CF6);

  /* brand accent for "AI" — a fixed vivid violet that reads on any theme */
  --ai: #7C6BFF;

  --danger: #E5484D;
  --sep: color-mix(in srgb, var(--text) 9%, transparent);
  --radius: 20px;
  --radius-s: 14px;
  --gap: 18px;
  --shadow: 0 6px 24px -8px color-mix(in srgb, var(--text) 22%, transparent);

  --font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --display: "Unbounded", "Manrope", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px; line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

.wrap { max-width: 560px; margin: 0 auto; padding: 8px 16px calc(40px + var(--safe-b)); }

/* ── reveal-on-load ── */
.reveal { opacity: 0; transform: translateY(14px); animation: reveal .55s cubic-bezier(.2,.7,.2,1) forwards; }
.reveal:nth-child(1) { animation-delay: .02s; }
.reveal:nth-child(2) { animation-delay: .09s; }
.reveal:nth-child(3) { animation-delay: .16s; }
.reveal:nth-child(4) { animation-delay: .23s; }
@keyframes reveal { to { opacity: 1; transform: none; } }

/* ── Header ── */
.hdr { display: flex; align-items: center; justify-content: space-between; padding: 12px 4px 18px; }
.brand { font-family: var(--display); font-size: 22px; font-weight: 800; letter-spacing: -.5px; }
.brand__ai {
  background: linear-gradient(110deg, var(--ai), #4CC9F0, var(--accent), var(--ai));
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: hue 6s ease-in-out infinite;
}
@keyframes hue { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.tier-chip {
  font-size: 13px; font-weight: 700; color: var(--on-accent);
  background: var(--accent); padding: 6px 14px; border-radius: 999px;
  box-shadow: var(--shadow); animation: pop .4s cubic-bezier(.2,.8,.2,1);
}
@keyframes pop { from { transform: scale(.7); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── Segmented (sliding thumb) ── */
.segmented {
  position: relative; display: grid; grid-template-columns: 1fr 1fr;
  background: color-mix(in srgb, var(--text) 7%, transparent);
  border-radius: 999px; padding: 4px; margin-bottom: 22px;
}
.segmented__thumb {
  position: absolute; z-index: 1; top: 4px; left: 4px;
  width: calc(50% - 4px); height: calc(100% - 8px);
  background: var(--card); border-radius: 999px; box-shadow: var(--shadow);
  transition: transform .34s cubic-bezier(.5,.05,.15,1);
}
.segmented[data-at="plans"] .segmented__thumb { transform: translateX(100%); }
.segmented__btn {
  position: relative; z-index: 2; border: none; background: transparent; cursor: pointer;
  font-family: var(--font); font-size: 14px; font-weight: 700; color: var(--hint);
  padding: 10px 0; transition: color .25s;
}
.segmented__btn.is-on { color: var(--text); }

/* ── Pages ── */
.page { display: none; }
.page.is-on { display: block; }

/* ── Hero balance ── */
.hero {
  background: var(--card); border-radius: var(--radius);
  padding: 26px 22px 20px; text-align: center; margin-bottom: var(--gap);
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background:
    radial-gradient(40% 60% at 15% 0%, color-mix(in srgb, var(--ai) 40%, transparent), transparent 70%),
    radial-gradient(45% 65% at 90% 10%, color-mix(in srgb, var(--accent) 45%, transparent), transparent 70%),
    radial-gradient(50% 70% at 60% 100%, color-mix(in srgb, #4CC9F0 32%, transparent), transparent 70%);
  background-size: 200% 200%;
  animation: mesh 9s ease-in-out infinite;
}
@keyframes mesh { 0%,100% { background-position: 0% 0%, 100% 0%, 50% 100%; } 50% { background-position: 30% 20%, 70% 30%, 40% 80%; } }
.hero__label { font-size: 13px; color: var(--hint); font-weight: 700; position: relative; }
.hero__amount {
  font-family: var(--display); font-size: 52px; font-weight: 800; letter-spacing: -2px; line-height: 1.05;
  margin: 8px 0 2px; font-variant-numeric: tabular-nums; position: relative;
  background: linear-gradient(110deg, var(--text), var(--text) 40%, var(--accent), var(--ai));
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: hue 7s ease-in-out infinite;
}
.hero__cur { font-size: 28px; font-weight: 700; vertical-align: 8px; margin-right: 1px; -webkit-text-fill-color: var(--hint); }
.hero__of { font-size: 13px; color: var(--hint); margin-bottom: 18px; min-height: 1em; position: relative; font-weight: 600; }
.meter { height: 8px; border-radius: 999px; background: color-mix(in srgb, var(--text) 8%, transparent); overflow: hidden; }
.meter__fill {
  height: 100%; width: 0%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--ai)));
  transition: width 1s cubic-bezier(.3,0,.1,1), background .3s;
  position: relative;
}
.meter__fill::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, #fff 40%, transparent), transparent);
  transform: translateX(-100%); animation: shimmer 2.4s ease-in-out infinite;
}
@keyframes shimmer { to { transform: translateX(200%); } }
.meter__fill.is-low { background: #F5A623; }
.meter__fill.is-empty { background: var(--danger); }
.hero__reset { font-size: 12px; color: var(--hint); margin-top: 14px; font-variant-numeric: tabular-nums; display: inline-flex; align-items: center; gap: 6px; }
.spin { width: 11px; height: 11px; border: 2px solid color-mix(in srgb, var(--hint) 35%, transparent); border-top-color: var(--accent); border-radius: 50%; box-sizing: border-box; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Groups / cards ── */
.group { margin-bottom: var(--gap); }
.group__title { font-family: var(--display); font-size: 12px; font-weight: 700; color: var(--hint); text-transform: uppercase; letter-spacing: .4px; padding: 0 6px 8px; display: flex; align-items: center; justify-content: space-between; }
.group__count { font-family: var(--font); font-weight: 700; color: var(--accent); }

/* ── Keys (collapsible, compact) ── */
.keys { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.keys__head { display: flex; align-items: center; gap: 10px; width: 100%; border: none; background: none; cursor: pointer; padding: 15px 16px; font-family: var(--font); color: var(--text); }
.keys__ic { font-size: 16px; }
.keys__title { font-family: var(--display); font-weight: 700; font-size: 15px; }
.keys__count { margin-left: auto; font-weight: 700; font-size: 14px; color: var(--accent); font-variant-numeric: tabular-nums; }
.keys__chev { font-size: 20px; color: var(--hint); transition: transform .28s cubic-bezier(.4,0,.2,1); }
.keys.is-open .keys__chev { transform: rotate(90deg); }
.keys__body { max-height: 0; overflow: hidden; transition: max-height .32s cubic-bezier(.4,0,.2,1); }
.keys.is-open .keys__body { max-height: 700px; }
.keys__empty { padding: 4px 16px 14px; color: var(--hint); font-size: 13px; }

.keylist { display: flex; flex-direction: column; }
.keyrow { display: flex; align-items: center; gap: 10px; padding: 11px 16px; position: relative; animation: reveal .35s cubic-bezier(.2,.7,.2,1) both; }
.keyrow::before { content: ""; position: absolute; left: 16px; right: 16px; top: 0; height: 1px; background: var(--sep); }
.keyrow__dot { width: 7px; height: 7px; border-radius: 50%; background: #61C752; flex-shrink: 0; }
.keyrow__main { flex: 1; min-width: 0; }
.keyrow__name { font-size: 14px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.keyrow__pref { font-family: var(--mono); font-size: 11px; color: var(--hint); letter-spacing: .2px; margin-top: 1px; }
.keyrow__spent { font-family: var(--display); font-size: 13px; font-weight: 700; color: var(--accent); flex-shrink: 0; font-variant-numeric: tabular-nums; }
.keyrow__spent small { display: block; font-family: var(--font); font-size: 10px; font-weight: 500; color: var(--hint); text-align: right; }
.keyrow__act { border: none; background: none; cursor: pointer; font-size: 15px; line-height: 1; padding: 5px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; transition: transform .1s, opacity .15s; }
.keyrow__act:active { transform: scale(.85); }
.keyrow__ren { color: var(--text); opacity: .8; }
.keyrow__ren:active { opacity: 1; }
.keyrow__del { color: var(--danger); font-size: 16px; }
.keys__add { width: calc(100% - 24px); margin: 10px 12px 12px; border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent); background: color-mix(in srgb, var(--accent) 8%, transparent); color: var(--accent); font-family: var(--font); font-weight: 700; font-size: 14px; padding: 11px; border-radius: var(--radius-s); cursor: pointer; transition: all .15s; }
.keys__add:active { transform: scale(.98); }
.keys__add:disabled { opacity: .5; cursor: default; border-style: solid; }

/* ── Modal (one-time key) ── */
.modal { position: fixed; inset: 0; z-index: 150; display: flex; align-items: flex-end; justify-content: center; padding: 16px; background: color-mix(in srgb, #000 55%, transparent); animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal__card { width: 100%; max-width: 460px; background: var(--card); border-radius: 24px; padding: 24px 20px calc(20px + var(--safe-b)); box-shadow: 0 -10px 50px rgba(0,0,0,.4); animation: slideup .35s cubic-bezier(.2,.8,.2,1); }
@keyframes slideup { from { transform: translateY(40px); opacity: .5; } to { transform: none; opacity: 1; } }
.modal__title { font-family: var(--display); font-size: 20px; font-weight: 700; text-align: center; }
.modal__sub { font-size: 13px; color: var(--hint); text-align: center; margin: 8px 0 16px; line-height: 1.45; }
.modal__input { width: 100%; box-sizing: border-box; font-family: var(--font); font-size: 15px; color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); border: 1px solid color-mix(in srgb, var(--text) 14%, transparent); border-radius: 14px; padding: 13px 14px; margin-bottom: 14px; outline: none; transition: border-color .2s; }
.modal__input:focus { border-color: var(--accent); }
.modal__input::placeholder { color: var(--hint); }
.modal__warn { font-size: 13px; color: var(--danger); text-align: center; margin: 8px 0 16px; line-height: 1.45; font-weight: 600; }
.modal__key { font-family: var(--mono); font-size: 14px; font-weight: 600; word-break: break-all; line-height: 1.5; background: color-mix(in srgb, var(--text) 6%, transparent); border: 1px dashed color-mix(in srgb, var(--text) 20%, transparent); border-radius: 14px; padding: 14px; margin-bottom: 14px; text-align: center; }
.modal .btn { margin-bottom: 8px; }
.modal .btn:last-child { margin-bottom: 0; }
.card { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.row { padding: 15px 16px; display: flex; align-items: center; }
.row--key { padding: 16px; }
.keyval { font-family: var(--mono); font-size: 14px; letter-spacing: .3px; word-break: break-all; line-height: 1.5; width: 100%; color: var(--text); transition: color .2s; }
.sep { height: 1px; background: var(--sep); margin: 0 16px; }
.row--actions { gap: 22px; padding: 13px 16px; }
.linkbtn { border: none; background: none; cursor: pointer; font-family: var(--font); font-size: 14px; font-weight: 700; color: var(--link); padding: 2px 0; transition: opacity .15s, transform .1s; }
.linkbtn:active:not(:disabled) { transform: scale(.94); }
.linkbtn:disabled { color: var(--hint); opacity: .45; cursor: default; }
.linkbtn--danger { color: var(--danger); margin-left: auto; }

/* ── Pickers ── */
.pickers { display: flex; gap: 8px; margin-bottom: 10px; padding: 0 2px; }
.picker { flex: 1; border: none; cursor: pointer; font-family: var(--font); font-size: 14px; font-weight: 700; color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); padding: 11px; border-radius: var(--radius-s); transition: all .2s; }
.picker.is-on { color: var(--on-accent); background: var(--accent); box-shadow: var(--shadow); }
.picker:active { transform: scale(.97); }

/* ── Code ── */
.card--code { background: #16181D; }
.code { padding: 16px; overflow-x: auto; }
.code code { font-family: var(--mono); font-size: 12.5px; line-height: 1.7; color: #E5E5EA; white-space: pre; display: block; }
.code .t-key { color: #7FD1B9; }
.code .t-val { color: #E3B341; }
.code .t-com { color: #7D7D82; }

/* ── Buttons ── */
.btn { display: block; width: 100%; border: none; cursor: pointer; font-family: var(--display); font-size: 15px; font-weight: 700; color: var(--on-accent); padding: 16px; border-radius: var(--radius-s); box-shadow: var(--shadow); transition: transform .12s, opacity .2s;
  background: linear-gradient(110deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--ai)), var(--accent));
  background-size: 200% 100%; animation: hue 5s ease-in-out infinite; }
.btn:active { transform: scale(.98); }
.btn--soft { color: var(--accent); background: color-mix(in srgb, var(--accent) 13%, transparent); box-shadow: none; margin-top: 10px; animation: none; }

/* ── Plans ── */
.planlist { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.plan { display: flex; align-items: center; gap: 14px; padding: 17px 16px; cursor: pointer; position: relative; transition: background .15s; opacity: 0; transform: translateY(10px); animation: reveal .45s cubic-bezier(.2,.7,.2,1) forwards; }
.plan:not(:last-child)::after { content: ""; position: absolute; left: 16px; right: 0; bottom: 0; height: 1px; background: var(--sep); }
.plan:active { background: color-mix(in srgb, var(--text) 5%, transparent); }
.plan__main { flex: 1; min-width: 0; }
.plan__name { font-family: var(--display); font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; letter-spacing: -.3px; }
.plan__badge { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .5px; color: var(--on-accent); background: var(--accent); padding: 2px 7px; border-radius: 7px; }
.plan__badge--cur { color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.plan__sub { font-size: 13px; color: var(--hint); margin-top: 3px; }
.plan__right { text-align: right; flex-shrink: 0; }
.plan__price { font-family: var(--display); font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.5px; }
.plan__price--free { color: var(--accent); }
.plan__daily { font-size: 11px; color: var(--hint); margin-top: 1px; }
.plan__chev { color: var(--hint); font-size: 22px; flex-shrink: 0; opacity: .4; transition: transform .2s; }
.plan:active .plan__chev { transform: translateX(3px); }
.plan.is-current { cursor: default; }
.plan.is-current:active { background: transparent; }

/* ── Toast / errbox ── */
.toast { position: fixed; left: 50%; bottom: calc(28px + var(--safe-b)); transform: translate(-50%, 16px); background: color-mix(in srgb, var(--text) 88%, var(--bg)); color: var(--card); font-size: 14px; font-weight: 700; padding: 13px 22px; border-radius: 14px; opacity: 0; pointer-events: none; z-index: 100; transition: opacity .25s, transform .25s; box-shadow: 0 10px 34px rgba(0,0,0,.3); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.errbox { position: fixed; inset: 0; z-index: 200; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 40px; text-align: center; background: var(--bg); }
.errbox__icon { font-size: 52px; margin-bottom: 6px; animation: float 3s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-8px); } }
.errbox__title { font-size: 20px; font-weight: 800; }
.errbox__text { font-size: 14px; color: var(--hint); max-width: 300px; margin-bottom: 12px; white-space: pre-line; }
.errbox .btn { max-width: 220px; }

@media (min-width: 620px) {
  .planlist { border-radius: var(--radius); }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
  .reveal, .plan { opacity: 1 !important; transform: none !important; }
}