/* ==========================================================================
   TanieAI - czat w panelu. Ten sam świat co reszta panelu: biały papier, granat, pomarańcz, druk mono.
   Podpis widoku: pod każdą odpowiedzią drukuje się mały paragon (tokeny i koszt w limicie).
   Korzysta z tokenów z /styles.css i klas z /panel/panel.css.
   ========================================================================== */

body.panel { --pbar-h: 72px; --tabs-h: 0px; }
@media (max-width: 860px) { body.panel { --pbar-h: 64px; --tabs-h: calc(72px + env(safe-area-inset-bottom)); } }
body.panel--chat { padding-bottom: 0; }

.panel .view--chat.wrap { --wrap: 1280px; padding: 14px 0; }
.chat {
  position: relative; display: grid; grid-template-columns: 292px minmax(0, 1fr);
  height: calc(100dvh - var(--pbar-h) - var(--tabs-h) - 28px); min-height: 520px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(22, 18, 72, 0.04);
}

/* ---------- historia rozmów ---------- */
.chat__side { display: flex; flex-direction: column; min-height: 0; background: var(--ground); border-right: 1px solid var(--line); }
.side__top { display: grid; gap: 10px; padding: 14px; }
.side__search { position: relative; display: block; }
.side__search .ico { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.side__search input {
  width: 100%; min-height: 44px; padding: 0 12px 0 38px; border: 1.5px solid var(--line-2); border-radius: 12px; background: #fff;
  font: 500 14px var(--font-ui); color: var(--ink); transition: border-color 0.15s, box-shadow 0.15s;
}
.side__search input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(22, 18, 72, 0.1); }
.side__list { flex: 1; min-height: 0; overflow-y: auto; padding: 0 8px 12px; overscroll-behavior: contain; }
.side__group { margin: 0; padding: 14px 8px 6px; font: 600 11px var(--font-mono); letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.side__empty { margin: 18px 10px; color: var(--muted); font-size: 14px; }
.side__foot { padding: 8px 14px 14px; border-top: 1px dashed var(--line-2); }
.textbtn { min-height: 40px; padding: 0 4px; border: 0; background: none; cursor: pointer; font: 600 13px var(--font-ui); color: var(--muted); }
.textbtn:hover { color: var(--red); }

.conv { position: relative; display: flex; align-items: center; border-radius: 12px; }
.conv__btn {
  flex: 1; min-width: 0; min-height: 44px; padding: 0 12px; border: 0; border-radius: 12px; background: transparent; cursor: pointer; text-align: left;
  font: 600 14px/1.3 var(--font-ui); color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: background-color 0.15s, color 0.15s;
}
.conv:hover .conv__btn { background: rgba(22, 18, 72, 0.05); color: var(--ink); }
.conv.is-active .conv__btn { background: #fff; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.conv__acts { position: absolute; right: 4px; display: flex; gap: 2px; padding: 2px; border-radius: 10px; background: var(--ground); opacity: 0; transition: opacity 0.15s; }
.conv.is-active .conv__acts { background: #fff; }
.conv:hover .conv__acts, .conv:focus-within .conv__acts { opacity: 1; }
@media (hover: none) { .conv__acts { opacity: 1; } .conv__btn { padding-right: 84px; } }
.conv__acts button { display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: 8px; background: transparent; cursor: pointer; color: var(--muted); }
.conv__acts button:hover { background: rgba(22, 18, 72, 0.08); color: var(--ink); }
.conv__acts button.is-danger:hover { color: var(--red); }
.conv__rename { flex: 1; min-width: 0; min-height: 44px; padding: 0 12px; border: 1.5px solid var(--ink); border-radius: 12px; background: #fff; font: 600 14px var(--font-ui); color: var(--ink); }
.conv__rename:focus { outline: none; box-shadow: 0 0 0 4px rgba(22, 18, 72, 0.1); }

/* ---------- główne okno ---------- */
.chat__main { position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.chat__bar { display: flex; align-items: center; gap: 12px; min-height: 60px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.chat__menu { display: none; }
.chat__title { flex: 1; min-width: 0; margin: 0; font: 800 20px/1.2 var(--font-display); letter-spacing: -0.02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat__limit { display: flex; align-items: center; gap: 12px; font: 500 12px var(--font-mono); color: var(--muted); white-space: nowrap; }
.chat__limit b { color: var(--ink); font-weight: 700; }
.bar--sm { width: 96px; height: 8px; margin: 0; }

.chat__scroll { flex: 1; min-height: 0; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; padding: 26px 22px 10px; }
.chat__thread { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; max-width: 780px; margin: 0 auto; padding-bottom: 14px; }
.chat__empty { display: grid; justify-items: center; gap: 14px; max-width: 640px; margin: clamp(20px, 8vh, 84px) auto 0; text-align: center; }
.chat__empty h2 { margin: 0; font: 800 clamp(28px, 3.6vw, 40px) / 1.05 var(--font-display); letter-spacing: -0.03em; }
.chat__empty p { margin: 0; max-width: 52ch; color: var(--ink-2); }
.starters { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 6px; }
.starters button {
  min-height: 44px; padding: 0 18px; border: 1.5px dashed var(--line-2); border-radius: 999px; background: #fff; cursor: pointer;
  font: 600 14px var(--font-ui); color: var(--ink-2); transition: border-color 0.15s, color 0.15s, transform 0.18s var(--ease);
}
.starters button:hover { border-style: solid; border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
.chat.is-started .chat__empty { display: none; }
.chat__receipt-note { margin-top: 8px !important; padding-top: 14px; border-top: 2px dashed var(--line-2); font: 500 12px var(--font-mono); color: var(--muted) !important; }

/* ---------- wiadomości ---------- */
.msg { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; min-width: 0; }
.msg.is-new { animation: msg-in 0.24s var(--ease-out); }
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } }
.msg--user { justify-items: end; }
.msg--user .msg__body {
  max-width: min(88%, 640px); padding: 12px 16px; border-radius: 18px 18px 4px 18px; background: var(--ink); color: #fff;
  font-size: 15.5px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere;
}
.msg__head { display: flex; align-items: center; gap: 10px; font: 600 11.5px var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.msg__ico { width: 22px; height: 22px; object-fit: contain; }
.msg__effort { padding: 2px 7px; border-radius: 6px; background: var(--ground); letter-spacing: 0.04em; }
.msg--ai .msg__body { max-width: 74ch; font-size: 15.5px; line-height: 1.68; overflow-wrap: anywhere; }
.msg.is-wait .msg__body:empty::before { content: ''; }

.typing { display: inline-flex; gap: 5px; padding: 8px 0; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); animation: typing 1.1s ease-in-out infinite; }
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing { 0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); } 40% { opacity: 1; transform: scale(1); } }
.thinking-label { display: inline-flex; align-items: center; gap: 8px; font: 500 12.5px var(--font-mono); color: var(--muted); }

.msg--ai.is-stream .msg__body > :last-child::after { content: ''; display: inline-block; width: 8px; height: 1.05em; margin-left: 3px; vertical-align: -0.15em; background: var(--orange); animation: caret 0.9s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }

/* paragon pod odpowiedzią: koszt w limicie, dotted jak na rachunku */
.rcpt { display: flex; align-items: baseline; gap: 8px; max-width: 74ch; font: 500 11.5px/1.5 var(--font-mono); color: var(--muted); }
.rcpt > i { flex: 1; min-width: 14px; border-bottom: 2px dotted rgba(22, 18, 72, 0.28); transform: translateY(-3px); }
.rcpt b { font-weight: 700; color: var(--ink); }
.rcpt em { font-style: normal; color: var(--orange-deep); }
.rcpt--stop { color: var(--amber); }

.msg__acts { display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s; }
.msg:hover .msg__acts, .msg:focus-within .msg__acts, .msg.is-last .msg__acts { opacity: 1; }
@media (hover: none) { .msg__acts { opacity: 1; } }
.act { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 10px; border: 0; border-radius: 9px; background: transparent; cursor: pointer; font: 600 12.5px var(--font-ui); color: var(--muted); transition: background-color 0.15s, color 0.15s; }
.act:hover { background: var(--ground); color: var(--ink); }
.act .ico { width: 16px; height: 16px; }
@media (pointer: coarse) { .act { min-height: 44px; } }

.msg__edit { display: grid; gap: 8px; width: min(100%, 640px); }
.msg__edit textarea { width: 100%; min-height: 96px; padding: 12px 14px; border: 1.5px solid var(--ink); border-radius: 14px; font: 500 15.5px/1.55 var(--font-ui); color: var(--ink); resize: vertical; }
.msg__edit textarea:focus { outline: none; box-shadow: 0 0 0 4px rgba(22, 18, 72, 0.1); }
.msg__edit div { display: flex; gap: 8px; justify-content: flex-end; }

.msg__err { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 10px 14px; max-width: 74ch; padding: 12px 14px; border-radius: 12px; background: var(--red-tint); color: #7a1414; font-size: 14.5px; }
.msg__err span { flex: 1 1 260px; }

/* załączniki w wiadomościach */
.atts { display: flex; flex-wrap: wrap; gap: 8px; }
.msg--user .atts { justify-content: flex-end; }
.thumb { width: 96px; height: 96px; padding: 0; border: 1.5px solid var(--line-2); border-radius: 12px; overflow: hidden; background: var(--ground); cursor: zoom-in; transition: transform 0.18s var(--ease), border-color 0.15s; }
.thumb:hover { transform: translateY(-2px); border-color: var(--ink); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb--gone { display: grid; place-items: center; padding: 8px; font: 500 11px/1.3 var(--font-mono); color: var(--muted); text-align: center; cursor: default; }
.fchip { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; max-width: 240px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--ground); font: 600 13px var(--font-ui); color: var(--ink); }
.fchip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- markdown w odpowiedziach ---------- */
.md > :first-child { margin-top: 0; }
.md > :last-child { margin-bottom: 0; }
.md p { margin: 0 0 12px; }
.md h1, .md h2, .md h3, .md h4 { margin: 22px 0 8px; font-family: var(--font-display); font-weight: 800; line-height: 1.2; letter-spacing: -0.015em; }
.md h1 { font-size: 24px; } .md h2 { font-size: 20px; } .md h3 { font-size: 17.5px; } .md h4 { font-size: 16px; }
.md ul, .md ol { margin: 0 0 12px; padding-left: 22px; }
.md li { margin: 4px 0; padding-left: 2px; }
.md li > ul, .md li > ol { margin: 4px 0; }
.md li > .code-block { margin: 8px 0; }
.md blockquote { margin: 0 0 12px; padding: 10px 14px; border-radius: 12px; background: var(--ground); color: var(--ink-2); }
.md blockquote > :last-child { margin-bottom: 0; }
.md a { color: var(--orange-deep); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.md a:hover { color: var(--ink); }
.md hr { margin: 18px 0; border: 0; border-top: 2px dashed var(--line-2); }
.md code { padding: 2px 6px; border-radius: 6px; background: var(--orange-tint); color: var(--ink); font: 500 0.9em var(--font-mono); }
.md .table-wrap { margin: 0 0 14px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.md table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.md th, .md td { padding: 9px 14px; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
.md thead th { border-top: 0; background: var(--ground); font: 600 11.5px var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }

.code-block { margin: 0 0 14px; border-radius: 14px; overflow: hidden; background: var(--ink); color: #f2f1ff; }
.code-block__bar { display: flex; align-items: center; justify-content: space-between; min-height: 40px; padding: 4px 6px 4px 16px; background: rgba(255, 255, 255, 0.07); font: 600 11px var(--font-mono); letter-spacing: 0.07em; text-transform: uppercase; color: #b9b6e0; }
.cb-copy { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 0 10px; border: 0; border-radius: 8px; background: transparent; cursor: pointer; font: 600 12px var(--font-ui); letter-spacing: 0; text-transform: none; color: #f2f1ff; transition: background-color 0.15s; }
.cb-copy:hover { background: rgba(255, 255, 255, 0.14); }
.cb-copy .ico { width: 15px; height: 15px; }
.code-block pre { margin: 0; padding: 14px 16px; overflow-x: auto; font: 500 13px/1.65 var(--font-mono); tab-size: 2; }
.code-block code { padding: 0; background: none; color: inherit; font: inherit; }
.tk-c { color: #9a97bb; font-style: italic; }
.tk-s { color: #9ee7b6; }
.tk-n { color: #f6d37a; }
.tk-k, .tk-l, .tk-t { color: #ff9a66; }
.tk-f { color: #cfcbff; }

.think { margin: 0 0 12px; padding: 8px 14px; border: 1px dashed var(--line-2); border-radius: 12px; font-size: 13.5px; color: var(--ink-2); }
.think summary { cursor: pointer; font: 600 11.5px var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.think div { margin-top: 8px; white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---------- pole wiadomości ---------- */
.chat__jump {
  position: absolute; left: 50%; bottom: calc(var(--composer-h, 150px) + 14px); z-index: 10; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 16px; border: 0; border-radius: 999px; background: var(--ink); color: #fff; cursor: pointer;
  font: 600 13px var(--font-ui); box-shadow: var(--shadow-2); transition: transform 0.18s var(--ease);
}
.chat__jump:hover { transform: translateX(-50%) translateY(-2px); }
.chat__jump[hidden] { display: none; }
.chat__drop { position: absolute; inset: 8px; z-index: 20; display: grid; place-items: center; border: 3px dashed var(--orange); border-radius: 16px; background: rgba(255, 255, 255, 0.94); text-align: center; }
.chat__drop[hidden] { display: none; }
.chat__drop div { display: grid; justify-items: center; gap: 10px; }
.chat__drop .ico { width: 32px; height: 32px; color: var(--orange-deep); }
.chat__drop strong { font: 800 22px var(--font-display); }

.composer {
  position: relative; display: grid; gap: 8px; width: calc(100% - 36px); max-width: 812px; align-self: center; padding: 10px 12px;
  border: 1.5px solid var(--line-2); border-radius: 18px; background: #fff; transition: border-color 0.15s, box-shadow 0.15s;
}
.composer:focus-within { border-color: var(--ink); box-shadow: 0 0 0 4px rgba(22, 18, 72, 0.1); }
.composer textarea {
  display: block; width: 100%; min-height: 30px; max-height: 220px; padding: 4px; border: 0; outline: 0; resize: none; background: transparent;
  font: 500 15.5px/1.55 var(--font-ui); color: var(--ink);
}
.composer textarea::placeholder { color: var(--muted); }
.composer__row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.composer__hint { align-self: center; width: calc(100% - 36px); max-width: 812px; margin: 8px 0 12px; font: 500 12px/1.5 var(--font-mono); color: var(--muted); text-align: center; }
.composer__note { margin: 0; padding: 0 4px; font: 600 12px/1.4 var(--font-mono); color: var(--orange-deep); }
.composer__note[hidden], .composer__atts[hidden] { display: none; }
.composer.is-over { border-color: var(--orange); }

.composer__atts { display: flex; flex-wrap: wrap; gap: 10px; padding: 4px 2px 6px; }
.att { position: relative; display: inline-block; }
.att img { width: 64px; height: 64px; border: 1.5px solid var(--line-2); border-radius: 10px; object-fit: cover; }
.att__tok { position: absolute; left: 4px; bottom: 4px; padding: 2px 5px; border-radius: 5px; background: rgba(22, 18, 72, 0.86); color: #fff; font: 600 10px/1.2 var(--font-mono); }
.att__x { position: absolute; top: -7px; right: -7px; display: grid; place-items: center; width: 24px; height: 24px; border: 0; border-radius: 50%; background: var(--ink); color: #fff; cursor: pointer; }
.att__x::after { content: ''; position: absolute; inset: -10px; }
.att__x .ico { width: 13px; height: 13px; stroke-width: 2.4; }
.att--file { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; max-width: 240px; padding: 0 34px 0 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--ground); font: 600 13px var(--font-ui); }
.att--file span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att--busy { display: grid; place-items: center; width: 64px; height: 64px; border: 1.5px dashed var(--line-2); border-radius: 10px; color: var(--muted); }

.picker {
  display: inline-flex; align-items: center; gap: 8px; max-width: 230px; min-height: 44px; padding: 0 12px 0 10px; border: 1.5px solid var(--line-2); border-radius: 12px; background: #fff; cursor: pointer;
  font: 600 13.5px var(--font-ui); color: var(--ink); transition: border-color 0.15s;
}
.picker:hover, .picker[aria-expanded='true'] { border-color: var(--ink); }
.picker img { width: 20px; height: 20px; object-fit: contain; flex: none; }
.picker span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.picker .ico { flex: none; color: var(--muted); }

.effort { display: inline-flex; align-items: center; gap: 10px; margin-left: 4px; }
.effort__label { display: inline-flex; align-items: center; gap: 6px; font: 600 11px var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.effort__opts { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: var(--ground); }
.effort__opts button { min-height: 36px; padding: 0 12px; border: 0; border-radius: 9px; background: transparent; cursor: pointer; font: 600 13px var(--font-ui); color: var(--ink-2); transition: background-color 0.15s, color 0.15s; }
.effort__opts button:hover { color: var(--ink); }
.effort__opts button[aria-checked='true'] { background: var(--ink); color: #fff; }
.btn--send { width: 48px; min-height: 48px; margin-left: auto; padding: 0; border-radius: 14px; }
.btn--send[hidden] { display: none; }
.btn--send .ico { width: 20px; height: 20px; stroke-width: 2.2; }
.composer .iconbtn { flex: none; }

/* ---------- lista modeli ---------- */
.pop { position: fixed; z-index: 80; width: min(390px, calc(100vw - 24px)); max-height: min(62vh, 480px); overflow-y: auto; padding: 6px; border: 1px solid var(--line-2); border-radius: 16px; background: #fff; box-shadow: var(--shadow-2); overscroll-behavior: contain; }
.pop[hidden] { display: none; }
.pop__group { padding: 10px 10px 4px; font: 600 11px var(--font-mono); letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.opt { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: 10px; width: 100%; min-height: 48px; padding: 6px 10px; border: 0; border-radius: 10px; background: transparent; cursor: pointer; text-align: left; font: 600 14px var(--font-ui); color: var(--ink); }
.opt img { width: 22px; height: 22px; object-fit: contain; }
.opt small { display: block; font: 500 11px var(--font-mono); color: var(--muted); }
.opt:hover, .opt:focus-visible { background: var(--orange-tint); }
.opt[aria-selected='true'] { background: var(--ink); color: #fff; }
.opt[aria-selected='true'] small { color: #b9b6e0; }
.opt[aria-disabled='true'] { cursor: not-allowed; color: var(--muted); }
.opt[aria-disabled='true']:hover { background: transparent; }

.dialog--img { width: auto; max-width: min(94vw, 1100px); overflow: visible; background: transparent; box-shadow: none; }
.dialog--img img { display: block; max-width: 94vw; max-height: 86vh; border-radius: 14px; background: #fff; }
.img-close { position: absolute; top: -14px; right: -14px; background: #fff; }

/* ---------- telefon i wąskie okna ---------- */
@media (max-width: 1100px) { .effort__label > span { display: none; } }
@media (max-width: 860px) {
  .panel .view--chat.wrap { width: 100%; padding: 8px 0 0; }
  .chat { grid-template-columns: 1fr; height: calc(100dvh - var(--pbar-h) - var(--tabs-h) - 8px); border-width: 1px 0 0; border-radius: 0; }
  .chat__side { position: fixed; z-index: 60; top: var(--pbar-h); bottom: var(--tabs-h); left: 0; width: min(330px, 88vw); transform: translateX(-102%); transition: transform 0.25s var(--ease); box-shadow: var(--shadow-2); visibility: hidden; }
  .chat__side.is-open { transform: none; visibility: visible; }
  .chat__scrim { position: fixed; z-index: 55; inset: var(--pbar-h) 0 var(--tabs-h) 0; background: rgba(22, 18, 72, 0.45); }
  .chat__scrim[hidden] { display: none; }
  .chat__menu { display: inline-grid; }
  .chat__bar { padding: 0 12px; }
  .chat__limit .bar { display: none; }
  .chat__scroll { padding: 18px 14px 6px; }
  .composer { width: calc(100% - 20px); padding: 8px 10px; }
  .composer__hint { display: none; }
  .chat__main { padding-bottom: 8px; }
  .effort { order: 5; width: 100%; margin: 0; }
  .effort__opts { flex: 1; }
  .effort__opts button { flex: 1; padding: 0 6px; }
  .picker { flex: 1; max-width: none; }
  .msg--user .msg__body { max-width: 92%; }
}
@media (max-width: 420px) { .chat__limit-text > span { display: none; } }
@media (prefers-reduced-motion: reduce) { .msg.is-new, .typing i, .msg--ai.is-stream .msg__body > :last-child::after { animation: none; } }