:root {
  --ait-ink: #1f2940;
  --ait-muted: #5f687a;
  --ait-primary: #574494;
  --ait-primary-dark: #413174;
  --ait-primary-soft: #f0ecfb;
  --ait-mint: #e7f5ef;
  --ait-mint-border: #a7d6c3;
  --ait-warm: #fff7df;
  --ait-warm-border: #e8ca70;
  --ait-line: #dce1ea;
}

.ai-training-app { min-height: 100vh; background: #f4f6fa; color: var(--ait-ink); }
.ai-training-header { min-height: var(--app-bar-height); display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 10px calc(var(--simulation-tools-width, 310px) + 32px) 10px 24px; border-bottom: 1px solid #d9dfeb; background: #fff; }
.ai-training-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.ai-training-brand__mark { width: 46px; height: 46px; display: grid; place-items: center; flex: 0 0 46px; border-radius: 14px; background: var(--ait-primary); color: #fff; font-family: var(--font-heading); font-weight: 850; letter-spacing: -.03em; }
.ai-training-brand strong, .ai-training-brand span { display: block; }
.ai-training-brand strong { font-family: var(--font-heading); font-size: 1.08rem; line-height: 1.15; }
.ai-training-brand div > span { margin-top: 3px; color: var(--ait-muted); font-size: .82rem; }
.ai-training-header__status { display: flex; align-items: center; justify-content: flex-end; gap: 10px; color: var(--ait-muted); font-size: .82rem; }
.ai-training-private, .ai-training-quota { display: inline-flex; align-items: center; gap: 7px; min-height: 32px; padding: 5px 10px; border: 1px solid var(--ait-line); border-radius: 999px; background: #fff; white-space: nowrap; }
.ai-training-private span { color: #1c7957; font-size: 1.15rem; line-height: 0; }
.ai-training-quota { color: var(--ait-primary-dark); font-weight: 750; }

.ai-training-main { width: min(1320px, calc(100% - 40px)); display: grid; grid-template-columns: minmax(290px, 360px) minmax(0, 1fr); gap: 28px; margin: 0 auto; padding: 30px 0 70px; }
.ai-training-orientation { align-self: start; position: sticky; top: 24px; }
.ai-training-eyebrow, .ai-training-workspace__eyebrow, .ai-training-assignment__label, .ai-training-support__eyebrow, .ai-training-review__eyebrow, .ai-training-practice__eyebrow { display: block; margin-bottom: 6px; color: var(--ait-primary); font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.ai-training-orientation > h1 { margin: 0; color: var(--ait-ink); font-size: clamp(1.6rem, 2.6vw, 2.05rem); line-height: 1.1; }
.ai-training-orientation > p { margin: 8px 0 13px; color: var(--ait-muted); line-height: 1.45; }

.ai-training-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 0 0 12px; padding: 0; list-style: none; }
.ai-training-steps li { min-width: 0; display: grid; justify-items: center; gap: 3px; padding: 6px 4px; border: 1px solid var(--ait-line); border-radius: 10px; background: #fff; color: #747c8b; font-size: .72rem; text-align: center; }
.ai-training-steps li > span { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; background: #e9ecf2; color: #4d5667; font-size: .7rem; font-weight: 850; }
.ai-training-steps li.is-current { border-color: #b9addf; background: var(--ait-primary-soft); color: var(--ait-primary-dark); }
.ai-training-steps li.is-current > span { background: var(--ait-primary); color: #fff; }
.ai-training-steps li.is-done { border-color: var(--ait-mint-border); background: var(--ait-mint); color: #1e654e; }
.ai-training-steps li.is-done > span { background: #287b5f; color: #fff; }

.ai-training-assignment { padding: 15px 16px; border: 1px solid #cfc6eb; border-radius: 14px; background: #fff; box-shadow: 0 8px 24px rgba(35, 38, 62, .06); }
.ai-training-assignment h2 { margin: 0 0 6px; color: var(--ait-ink); font-family: var(--font-body); font-size: 1.08rem; }
.ai-training-assignment > p { margin: 0; line-height: 1.45; }
.ai-training-assignment__note { margin-top: 9px !important; padding-top: 9px; border-top: 1px solid var(--ait-line); color: var(--ait-muted); font-size: .84rem; }

.ai-training-privacy { display: grid; grid-template-columns: 30px 1fr; gap: 9px; margin-top: 10px; padding: 11px 13px; border: 1px solid var(--ait-mint-border); border-radius: 12px; background: var(--ait-mint); }
.ai-training-privacy > div:first-child { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: #287b5f; color: #fff; font-weight: 850; }
.ai-training-privacy h2 { margin: 0 0 3px; color: #174d3c; font-family: var(--font-body); font-size: .92rem; }
.ai-training-privacy p { margin: 0; color: #2f5c4d; font-size: .8rem; line-height: 1.4; }

.ai-training-workspace { min-width: 0; overflow: hidden; border: 3px solid #7663b5; border-radius: 18px; background: #fff; box-shadow: 0 14px 38px rgba(54, 39, 103, .16); }
.ai-training-workspace__header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 20px; border-bottom: 1px solid var(--ait-line); }
.ai-training-workspace__header h2 { margin: 0; color: var(--ait-ink); font-family: var(--font-body); font-size: 1.25rem; }
.ai-training-workspace__actions { display: flex; align-items: center; justify-content: flex-end; gap: 9px; }
.ai-training-workspace__actions label { color: var(--ait-muted); font-size: .82rem; font-weight: 750; }
.ai-training-workspace__actions select { max-width: 190px; min-height: 40px; padding: 7px 34px 7px 10px; border: 1px solid #bbc3d2; border-radius: 9px; background: #fff; font: inherit; font-size: .86rem; }
.ai-training-text-button { min-height: 40px; padding: 7px 10px; border: 0; border-radius: 8px; background: transparent; color: var(--ait-primary); font: inherit; font-size: .86rem; font-weight: 750; cursor: pointer; }
.ai-training-text-button:hover, .ai-training-text-button:focus-visible { background: var(--ait-primary-soft); }

.ai-training-messages { min-height: 330px; max-height: 50vh; display: flex; flex-direction: column; gap: 14px; overflow-y: auto; padding: 22px; background: #fafbfc; scroll-behavior: smooth; }
.ai-training-message { width: min(84%, 680px); padding: 14px 16px; border: 1px solid var(--ait-line); border-radius: 14px; background: #fff; color: var(--ait-ink); line-height: 1.55; box-shadow: 0 4px 12px rgba(30, 39, 61, .04); }
.ai-training-message--user { align-self: flex-end; border-color: #c9bfe8; background: var(--ait-primary-soft); }
.ai-training-message--error { border-color: #e5aeb4; background: #fff0f1; color: #842f3a; }
.ai-training-message__sender { display: block; margin-bottom: 5px; color: var(--ait-primary); font-size: .75rem; font-weight: 850; letter-spacing: .04em; }
.ai-training-message--user .ai-training-message__sender { color: #574494; text-align: right; }
.ai-training-message p, .ai-training-message ul { margin: 0; }
.ai-training-message p + p, .ai-training-message p + ul, .ai-training-message ul + p { margin-top: 10px; }
.ai-training-message ul { padding-left: 21px; }
.ai-training-message li + li { margin-top: 5px; }
.ai-training-message--thinking { width: 88px; display: flex; gap: 5px; align-items: center; }
.ai-training-thinking-dot { width: 8px; height: 8px; border-radius: 50%; background: #8f82b9; animation: ait-thinking 1s infinite ease-in-out; }
.ai-training-thinking-dot:nth-child(2) { animation-delay: .14s; }
.ai-training-thinking-dot:nth-child(3) { animation-delay: .28s; }
@keyframes ait-thinking { 0%, 70%, 100% { opacity: .35; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-4px); } }

.ai-training-reflection, .ai-training-support, .ai-training-review, .ai-training-complete, .ai-training-practice { margin: 18px 22px 0; padding: 20px; border-radius: 15px; }
.ai-training-reflection[hidden], .ai-training-support[hidden], .ai-training-review[hidden], .ai-training-complete[hidden], .ai-training-practice[hidden] { display: none; }
.ai-training-reflection { display: block; overflow: hidden; padding: 0; border: 1px solid var(--ait-warm-border); background: var(--ait-warm); }
.ai-training-reflection__disclosure > summary { display: flex; align-items: center; gap: 12px; min-height: 58px; padding: 10px 14px; color: #5e4914; font-weight: 800; cursor: pointer; list-style: none; }
.ai-training-reflection__disclosure > summary::-webkit-details-marker { display: none; }
.ai-training-reflection__disclosure > summary::after { margin-left: auto; content: '›'; font-size: 1.5rem; line-height: 1; transition: transform .15s ease; }
.ai-training-reflection__disclosure[open] > summary::after { transform: rotate(90deg); }
.ai-training-reflection__summary-open { display: none; }
.ai-training-reflection__disclosure[open] .ai-training-reflection__summary-closed { display: none; }
.ai-training-reflection__disclosure[open] .ai-training-reflection__summary-open { display: inline; }
.ai-training-reflection__body { padding: 2px 18px 18px 64px; }
.ai-training-reflection__icon { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 38px; border-radius: 11px; background: #8a6810; color: #fff; font-size: 1.05rem; }
.ai-training-reflection__eyebrow { display: block; color: #775a10; font-size: .73rem; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.ai-training-reflection h3, .ai-training-support h3, .ai-training-review h3, .ai-training-complete h3, .ai-training-practice h3 { margin: 5px 0 9px; color: var(--ait-ink); font-family: var(--font-body); font-size: 1.1rem; }
.ai-training-reflection p { margin: 6px 0; color: #4d421f; line-height: 1.5; }
.ai-training-reflection__question { font-weight: 750; }
.ai-training-reflection__truth { margin-top: 12px !important; padding: 11px 12px; border-left: 3px solid #8a6810; background: rgba(255, 255, 255, .58); }
.ai-training-reflection .button { margin-top: 9px; }

.ai-training-support { border: 1px solid #c8d3e6; background: #f2f6fc; }
.ai-training-support ul { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; margin: 12px 0; padding-left: 20px; }
.ai-training-support li { line-height: 1.48; }
.ai-training-support > p { margin: 8px 0 0; color: var(--ait-muted); font-size: .9rem; }

.ai-training-form { padding: 20px 22px 22px; }
.ai-training-form > label { display: block; margin-bottom: 8px; color: var(--ait-ink); font-weight: 800; }
.ai-training-form textarea { width: 100%; min-height: 104px; resize: vertical; padding: 14px 15px; border: 1.5px solid #abb5c7; border-radius: 12px; background: #fff; color: var(--ait-ink); font: inherit; line-height: 1.5; }
.ai-training-form textarea:focus { border-color: var(--ait-primary); outline: 3px solid rgba(87, 68, 148, .15); }
.ai-training-form__footer { display: flex; align-items: center; gap: 14px; margin-top: 11px; }
.ai-training-form__footer > span { margin-right: auto; color: var(--ait-muted); font-size: .84rem; }
.ai-training-reflection-toggle { display: inline-flex !important; align-items: center; gap: 8px; margin: 0 !important; color: var(--ait-muted) !important; font-size: .86rem; font-weight: 650 !important; }
.ai-training-reflection-toggle[hidden] { display: none !important; }
.ai-training-reflection-toggle input { width: 19px; height: 19px; accent-color: var(--ait-primary); }

.ai-training-review { border: 1px solid #c9bfe8; background: #f7f4fd; }
.ai-training-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0 18px; }
.ai-training-comparison > div { padding: 13px 14px; border: 1px solid #d9d0ef; border-radius: 11px; background: #fff; }
.ai-training-comparison span { display: block; margin-bottom: 5px; color: var(--ait-primary); font-size: .75rem; font-weight: 850; text-transform: uppercase; }
.ai-training-comparison p { margin: 0; line-height: 1.45; }
.ai-training-review fieldset { display: grid; gap: 9px; margin: 0 0 16px; padding: 0; border: 0; }
.ai-training-review legend { margin-bottom: 10px; font-weight: 800; }
.ai-training-review fieldset label { display: grid; grid-template-columns: 22px 1fr; gap: 9px; align-items: start; min-height: 46px; padding: 10px 12px; border: 1px solid #d9d0ef; border-radius: 10px; background: #fff; line-height: 1.4; }
.ai-training-review fieldset input { width: 20px; height: 20px; margin-top: 1px; accent-color: var(--ait-primary); }

.ai-training-complete { display: grid; grid-template-columns: 48px 1fr; gap: 15px; border: 1px solid var(--ait-mint-border); background: var(--ait-mint); }
.ai-training-complete__icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: #287b5f; color: #fff; font-size: 1.25rem; font-weight: 850; }
.ai-training-complete p { margin: 0 0 14px; color: #2f5c4d; line-height: 1.5; }

.ai-training-practice { border: 1px solid var(--ait-line); background: #f8f9fc; }
.ai-training-practice > p { margin: 0 0 15px; color: var(--ait-muted); }
.ai-training-practice__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.ai-training-practice__grid button { display: grid; grid-template-columns: 36px 1fr; gap: 2px 10px; align-items: center; min-height: 92px; padding: 13px; border: 1px solid #cfd5e1; border-radius: 12px; background: #fff; color: var(--ait-ink); text-align: left; font: inherit; cursor: pointer; }
.ai-training-practice__grid button:hover, .ai-training-practice__grid button:focus-visible { border-color: var(--ait-primary); background: var(--ait-primary-soft); }
.ai-training-practice__grid button > span { grid-row: 1 / 3; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--ait-primary-soft); color: var(--ait-primary); font-weight: 850; }
.ai-training-practice__grid button strong { align-self: end; font-size: .92rem; }
.ai-training-practice__grid button small { align-self: start; color: var(--ait-muted); font-size: .78rem; line-height: 1.35; }
.ai-training-practice__grid .ai-training-practice__free { border-style: dashed; }

.ai-training-digicoach { width: calc(100% - 44px); display: flex; align-items: center; gap: 12px; margin: 18px 22px 22px; padding: 14px 16px; border: 1px solid #b7dadd; border-radius: 13px; background: #edf8f8; color: #174d52; text-align: left; font: inherit; cursor: pointer; }
.ai-training-digicoach:disabled { opacity: .55; cursor: not-allowed; }
.ai-training-digicoach:not(:disabled):hover, .ai-training-digicoach:not(:disabled):focus-visible { border-color: #5faab0; background: #e1f3f4; }
.ai-training-digicoach > span:first-child { font-size: 1.4rem; }
.ai-training-digicoach strong, .ai-training-digicoach small { display: block; }
.ai-training-digicoach small { margin-top: 3px; color: #4f7275; line-height: 1.35; }

.ai-training-unavailable { display: grid; grid-template-columns: 42px 1fr; gap: 14px; margin: 28px; padding: 20px; border: 1px solid var(--ait-warm-border); border-radius: 14px; background: var(--ait-warm); }
.ai-training-unavailable > span { width: 38px; height: 38px; display: grid; place-items: center; border: 2px solid #8a6810; border-radius: 50%; color: #775a10; font-weight: 850; }
.ai-training-unavailable h3 { margin: 1px 0 6px; font-family: var(--font-body); }
.ai-training-unavailable p { margin: 0; line-height: 1.55; }

.chat-context-note { padding: 9px 14px; border-bottom: 1px solid #b7dadd; background: #edf8f8; color: #174d52; font-size: .82rem; line-height: 1.4; }
.chat-context-note[hidden] { display: none; }
.simulation-surface.ai-training-page .chat-panel { top: var(--ai-training-header-height, var(--app-bar-height)); }

.simulation-intro__visual--ai { background: #55438f; color: #fff; }
.simulation-intro--ai { max-width: 1180px; min-height: 0; grid-template-columns: minmax(150px, 190px) minmax(0, 1fr); margin: clamp(12px, 3vh, 28px) auto; }
.simulation-intro--ai .simulation-intro__visual-icon { width: 88px; height: 88px; border-radius: 22px; font-size: 2rem; }
.simulation-intro--ai .simulation-intro__content { display: grid; align-content: center; gap: 12px; padding: 24px 32px; }
.simulation-intro--ai .simulation-intro__content h1, .simulation-intro--ai .simulation-intro__content form { margin: 0; }
.simulation-intro--ai .simulation-intro__content h1 { font-size: clamp(1.8rem, 3vw, 2.45rem); }
.simulation-intro--ai .simulation-intro__box { padding: 14px 16px; }
.simulation-intro--ai .simulation-intro__box h2 { margin-bottom: 7px; }
.simulation-intro--ai .simulation-intro__box p { line-height: 1.42; }
.simulation-intro--ai .simulation-intro__box p + p { margin-top: 8px; }
.simulation-intro--ai .simulation-intro__box--steps ol { gap: 7px; }
.simulation-intro--ai .simulation-intro__box--steps li { grid-template-columns: 26px 1fr; gap: 9px; line-height: 1.35; }
.simulation-intro--ai .simulation-intro__box--steps li::before { width: 25px; height: 25px; font-size: .78rem; }

@media (min-width: 1100px) {
  .simulation-surface.ai-training-page { --ait-coach-width: min(420px, 34vw); }
  .simulation-surface.ai-training-page .chat-panel { width: var(--ait-coach-width); }
  .simulation-surface.ai-training-page .simulation-canvas { transition: padding-right .25s ease; }
  .simulation-surface.ai-training-page .simulation-tools { transition: right .25s ease; }
  .simulation-surface.ai-training-page.digicoach-is-open .simulation-canvas { padding-right: var(--ait-coach-width); }
  .simulation-surface.ai-training-page.digicoach-is-open .simulation-tools { right: calc(var(--ait-coach-width) + 16px); }
  .simulation-surface.ai-training-page.digicoach-is-open .ai-training-main { grid-template-columns: minmax(240px, 300px) minmax(0, 1fr); gap: 20px; }
}

@media (max-width: 1040px) {
  .ai-training-private { display: none; }
  .ai-training-main { grid-template-columns: 300px minmax(0, 1fr); gap: 20px; }
  .ai-training-support ul { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .ai-training-header { min-height: var(--app-bar-height); padding: 9px calc(var(--simulation-tools-width, 200px) + 22px) 9px 14px; }
  .ai-training-brand div > span, .ai-training-header__status { display: none; }
  .ai-training-brand__mark { width: 40px; height: 40px; flex-basis: 40px; border-radius: 11px; }
  .ai-training-main { width: min(100% - 24px, 760px); grid-template-columns: 1fr; padding-top: 18px; }
  .ai-training-orientation { position: static; }
  .ai-training-orientation > p { max-width: 64ch; }
  .ai-training-workspace__header { align-items: flex-start; }
  .ai-training-workspace__actions { flex-wrap: wrap; }
  .ai-training-messages { max-height: none; min-height: 280px; }
  .simulation-intro--ai { grid-template-columns: 1fr; min-height: 0; }
  .simulation-intro--ai .simulation-intro__visual--ai { min-height: 96px; }
  .simulation-intro--ai .simulation-intro__content { padding: 22px 18px 26px; }
}

@media (max-width: 560px) {
  .ai-training-header { padding-right: calc(var(--simulation-tools-width, 180px) + 16px); }
  .ai-training-brand strong { font-size: .96rem; }
  .ai-training-main { width: 100%; padding: 14px 0 52px; }
  .ai-training-orientation { padding: 0 14px; }
  .ai-training-workspace { border-right: 0; border-left: 0; border-radius: 0; }
  .ai-training-workspace__header { display: grid; padding: 14px; }
  .ai-training-workspace__actions { justify-content: flex-start; }
  .ai-training-workspace__actions select { max-width: 170px; }
  .ai-training-messages { padding: 16px 12px; }
  .ai-training-message { width: 92%; padding: 12px 13px; }
  .ai-training-reflection, .ai-training-support, .ai-training-review, .ai-training-complete, .ai-training-practice { margin: 14px 12px 0; padding: 16px; }
  .ai-training-reflection { padding: 0; }
  .ai-training-reflection__body { padding: 2px 14px 16px; }
  .ai-training-form { padding: 16px 12px 18px; }
  .ai-training-form__footer { align-items: stretch; flex-direction: column; }
  .ai-training-form__footer > span { margin: 0; }
  .ai-training-form__footer .button { width: 100%; }
  .ai-training-comparison, .ai-training-practice__grid { grid-template-columns: 1fr; }
  .ai-training-digicoach { width: calc(100% - 24px); margin: 14px 12px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .ai-training-messages { scroll-behavior: auto; }
  .ai-training-thinking-dot { animation: none; opacity: .65; }
}