/* Ett gränssnitt som ska kännas exakt som varje annan AI-produkt 2026. */

:root {
  --bg: #ffffff;
  --bg-side: #f7f7f8;
  --bg-sunk: #f0f0f2;
  --text: #16161a;
  --text-dim: #6c6c77;
  --text-faint: #9a9aa5;
  --line: #e6e6ea;
  --bubble: #f0f0f2;
  --accent-a: #6d5cff;
  --accent-b: #c65cff;
  --radius: 1.5rem;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial,
    sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #212121;
    --bg-side: #171717;
    --bg-sunk: #2f2f2f;
    --text: #ececf1;
    --text-dim: #a6a6b0;
    --text-faint: #7d7d88;
    --line: #343541;
    --bubble: #2f2f2f;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

a {
  color: inherit;
  text-underline-offset: 2px;
}

/* ---------- Layout ---------- */

.app {
  display: grid;
  grid-template-columns: 16rem 1fr;
  height: 100dvh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--bg-side);
  border-right: 1px solid var(--line);
  overflow: hidden;
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

/* ---------- Sidopanel ---------- */

.newchat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.newchat:hover {
  background: var(--bg-sunk);
}

.newchat__plus {
  font-size: 1.1rem;
  line-height: 1;
}

.history {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.history__label {
  margin: 1rem 0 0.35rem;
  padding: 0 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.history__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.history__list li {
  padding: 0.45rem 0.6rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-dim);
}

.history__list li:hover {
  background: var(--bg-sunk);
}

.history__list li[aria-current="true"] {
  background: var(--bg-sunk);
  color: var(--text);
}

/* Historiken från "tidigare" är påhittad – den ska se på, inte klickas. */
.history__list--fake li {
  cursor: default;
  opacity: 0.55;
}

.sidebar__bottom {
  border-top: 1px solid var(--line);
  padding-top: 0.5rem;
}

.upgrade {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.6rem;
  background: transparent;
  border: 0;
  border-radius: 0.75rem;
  text-align: left;
}

.upgrade:hover {
  background: var(--bg-sunk);
}

.upgrade__icon {
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  color: #fff;
  font-size: 0.8rem;
}

.upgrade strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
}

.upgrade small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-faint);
}

.whoami {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
}

.whoami:hover {
  color: var(--text);
}

.whoami__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgb(34 197 94 / 0.18);
}

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--line);
}

.iconbtn {
  display: none;
  padding: 0.35rem 0.5rem;
  background: transparent;
  border: 0;
  border-radius: 0.5rem;
  font-size: 1.1rem;
}

.modelpick {
  position: relative;
}

.modelpick__btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  background: transparent;
  border: 0;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.modelpick__btn:hover {
  background: var(--bg-sunk);
}

.modelpick__caret {
  font-size: 0.7rem;
  color: var(--text-faint);
}

.modelpick__menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  z-index: 20;
  width: 17rem;
  padding: 0.35rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  box-shadow: 0 12px 32px rgb(0 0 0 / 0.14);
}

.modelpick__menu button {
  display: block;
  width: 100%;
  padding: 0.5rem 0.6rem;
  background: transparent;
  border: 0;
  border-radius: 0.6rem;
  text-align: left;
}

.modelpick__menu button:hover {
  background: var(--bg-sunk);
}

.modelpick__menu strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
}

.modelpick__menu small {
  display: block;
  font-size: 0.775rem;
  color: var(--text-faint);
}

.usage {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}

.usage__bar {
  width: 4.5rem;
  height: 0.3rem;
  border-radius: 999px;
  background: var(--bg-sunk);
  overflow: hidden;
}

.usage__fill {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  transition: width 0.6s ease;
}

/* ---------- Tråden ---------- */

.scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  scroll-behavior: smooth;
}

.thread {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero {
  margin: auto 0;
  padding-top: 3rem;
  text-align: center;
}

.hero__logo {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.notice {
  padding: 0.9rem 1rem;
  margin-bottom: 1.5rem;
  background: var(--bg-sunk);
  border-radius: 0.85rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-dim);
  text-align: left;
}

.notice strong {
  color: var(--text);
}

.suggestions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  text-align: left;
}

.suggestions button {
  padding: 0.7rem 0.85rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
}

.suggestions button:hover {
  background: var(--bg-sunk);
}

.suggestions strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
}

.suggestions small {
  display: block;
  font-size: 0.775rem;
  color: var(--text-faint);
}

.msg {
  display: flex;
  gap: 0.85rem;
}

.msg--user {
  justify-content: flex-end;
}

.msg--user .msg__body {
  max-width: 80%;
  padding: 0.65rem 1rem;
  background: var(--bubble);
  border-radius: var(--radius);
}

.msg__avatar {
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
  margin-top: 0.15rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
}

.msg__body {
  min-width: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Den utfällbara "resonemangs"-panelen. */
.think {
  border-radius: 0.75rem;
  background: var(--bg-sunk);
  overflow: hidden;
}

.think__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: left;
}

.think__caret {
  font-size: 0.65rem;
  transition: transform 0.2s ease;
}

.think[open] .think__caret {
  transform: rotate(90deg);
}

.think__steps {
  padding: 0 0.75rem 0.6rem 1.9rem;
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-faint);
  list-style: none;
}

.think__steps li {
  position: relative;
}

.think__steps li::before {
  content: "";
  position: absolute;
  left: -0.85rem;
  top: 0.65rem;
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--text-faint);
}

/* Svaret som skrivs fram under den hopfällda panelen. */
.answer {
  margin-top: 0.85rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.shimmer {
  background: linear-gradient(90deg, var(--text-faint) 20%, var(--text) 45%, var(--text-faint) 70%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 2.2s linear infinite;
}

@keyframes shimmer {
  to {
    background-position: -220% 0;
  }
}

.caret {
  display: inline-block;
  width: 0.5rem;
  height: 1.05rem;
  margin-left: 0.1rem;
  vertical-align: text-bottom;
  background: var(--text);
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ---------- Skrivrutan ---------- */

.composer {
  padding: 0.5rem 1.25rem 1rem;
}

.composer__box {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  max-width: 46rem;
  margin: 0 auto;
  padding: 0.5rem 0.5rem 0.5rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgb(0 0 0 / 0.05);
}

.composer__box:focus-within {
  border-color: var(--text-faint);
}

#input {
  flex: 1;
  max-height: 12rem;
  padding: 0.4rem 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  resize: none;
  outline: none;
}

.send {
  width: 2.1rem;
  height: 2.1rem;
  flex: none;
  border: 0;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  font-size: 1rem;
  line-height: 1;
}

.send:disabled {
  opacity: 0.25;
  cursor: default;
}

.disclaimer {
  max-width: 46rem;
  margin: 0.6rem auto 0;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-faint);
  text-align: center;
}

/* ---------- Modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgb(0 0 0 / 0.45);
}

/* display: grid ovan slår annars ut webbläsarens [hidden] – utan den här
   raden visas modalen direkt vid laddning och går inte att stänga. */
.modal[hidden] {
  display: none;
}

.modal__card {
  width: min(24rem, 100%);
  padding: 1.5rem;
  background: var(--bg);
  border-radius: 1.1rem;
  text-align: center;
}

.modal__card h2 {
  margin: 0;
  font-size: 1.15rem;
}

.modal__price {
  margin: 0.35rem 0 1rem;
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.modal__price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-faint);
}

.modal__list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  text-align: left;
}

.modal__list li {
  padding: 0.3rem 0 0.3rem 1.4rem;
  position: relative;
  color: var(--text-dim);
}

.modal__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-a);
}

.modal__note {
  margin: 0 0 1.1rem;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.modal__close {
  width: 100%;
  padding: 0.6rem;
  background: var(--text);
  color: var(--bg);
  border: 0;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ---------- Om-sidan ---------- */

.page {
  max-width: 38rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

.page h1 {
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
}

.page h2 {
  font-size: 1.05rem;
  margin: 2.25rem 0 0.5rem;
}

.page p {
  color: var(--text-dim);
}

.page a.back {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-faint);
  text-decoration: none;
}

/* ---------- Mobil ---------- */

@media (max-width: 48rem) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    width: 15rem;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
  }

  .app.is-open .sidebar {
    transform: none;
    box-shadow: 0 0 40px rgb(0 0 0 / 0.3);
  }

  .iconbtn {
    display: block;
  }

  .suggestions {
    grid-template-columns: 1fr;
  }

  .usage__bar {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}