/* VA Academy theme: VAS AI Tools page (.va-page-ai) */

.va-page-ai { --va-ai-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; }
.va-page-ai .va-ai-pill-yellow { background: var(--va-yellow); color: var(--va-navy); }
.va-page-ai .va-ai-pill-white { background: #fff; color: var(--va-navy); }
.va-page-ai .va-ai-pill-sm { padding: 7px 14px; font-size: 14px; }

/* Hero */
.va-page-ai .va-ai-hero-wrap { padding: 16px 40px; }
.va-page-ai .va-ai-hero { background: var(--va-navy); color: #fff; border-radius: 32px; padding: 64px 56px; display: flex; flex-direction: column; gap: 24px; }
.va-page-ai .va-ai-hero h1 { font-size: clamp(48px, 6.4vw, 92px); line-height: .92; font-weight: 800; letter-spacing: -.045em; max-width: 980px; text-wrap: balance; color: #fff; }
.va-page-ai .va-ai-hero p { font-size: 19px; line-height: 1.5; color: #d3e0fa; max-width: 600px; }
.va-page-ai .va-ai-hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.va-page-ai .va-ai-hero-buttons .va-btn-white { padding: 17px 28px; }
.va-page-ai .va-ai-hero-buttons .va-btn-white:hover { color: var(--va-navy); }
.va-page-ai .va-ai-hero-buttons .va-btn-outline-light { padding: 16px 28px; }
.va-page-ai .va-ai-btn-yellow { background: var(--va-yellow); color: var(--va-navy); padding: 17px 28px; }
.va-page-ai .va-ai-btn-yellow:hover { color: var(--va-navy); }

/* Rows / cards */
.va-page-ai .va-ai-row { padding: 16px 40px; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; scroll-margin-top: 16px; }
.va-page-ai .va-ai-row-bot { padding-bottom: 24px; }
.va-page-ai .va-ai-card { border-radius: 32px; min-width: 0; }
.va-page-ai .va-ai-card h2 { font-size: clamp(38px, 3.9vw, 52px); font-weight: 800; letter-spacing: -.04em; line-height: .95; }
.va-page-ai .va-ai-lead { font-size: 18px; line-height: 1.5; color: var(--va-ink-2); }

/* Examiner card */
.va-page-ai .va-ai-examiner { grid-column: span 6; background: #fff; padding: 48px; display: flex; flex-direction: column; gap: 22px; }
.va-page-ai .va-ai-checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; font-size: 17px; line-height: 1.5; }
.va-page-ai .va-ai-checks li { display: flex; gap: 12px; align-items: flex-start; }
.va-page-ai .va-ai-checks li > span { flex: 0 0 26px; height: 26px; border-radius: 50%; background: var(--va-sky); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }

.va-page-ai .va-ai-waitlist { margin-top: 8px; display: flex; flex-direction: column; gap: 8px; }
.va-page-ai .va-ai-waitlist-form { display: flex; background: var(--va-page); border-radius: 999px; padding: 6px; margin: 0; }
.va-page-ai .va-ai-waitlist-form input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 14px 20px; font-family: var(--va-font); font-size: 17px; color: var(--va-navy); box-shadow: none; }
.va-page-ai .va-ai-waitlist-form input::placeholder { color: #7d8bab; }
.va-page-ai .va-ai-waitlist-form:focus-within { box-shadow: 0 0 0 2px var(--va-blue); }
.va-page-ai .va-ai-waitlist-form button { flex-shrink: 0; border: 0; background: var(--va-navy); color: #fff; font-weight: 600; font-size: 17px; padding: 14px 24px; border-radius: 999px; cursor: pointer; transition: opacity .15s; }
.va-page-ai .va-ai-waitlist-form button:hover { opacity: .9; }
.va-page-ai .va-ai-waitlist-form button:disabled { opacity: .6; cursor: progress; }
.va-page-ai .va-ai-waitlist-done { background: var(--va-sky); border-radius: 999px; padding: 18px 24px; font-size: 17px; font-weight: 600; }
.va-page-ai .va-ai-waitlist-done[hidden] { display: none; }
.va-page-ai .va-ai-waitlist-note { font-size: 14px; color: var(--va-ink-2); padding: 0 20px; min-height: 0; }
.va-page-ai .va-ai-waitlist-note:empty { display: none; }
.va-page-ai .va-ai-waitlist-note.is-error { color: #b42318; }

/* Examiner demo panel */
.va-page-ai .va-ai-demo { grid-column: span 6; background: var(--va-blue); color: #fff; padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.va-page-ai .va-ai-demo-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: var(--va-ai-mono); }
.va-page-ai .va-ai-demo-head span:first-child { font-size: 13px; color: var(--va-sky); }
.va-page-ai .va-ai-demo-timer { font-size: 36px; line-height: 1; color: var(--va-yellow); }
.va-page-ai .va-ai-demo-visual { flex: 1; min-height: 160px; border-radius: 24px; background: rgba(255, 255, 255, .06) repeating-linear-gradient(135deg, rgba(255, 255, 255, .06) 0 2px, transparent 2px 12px); display: flex; align-items: flex-end; padding: 16px; font-family: var(--va-ai-mono); font-size: 12px; color: var(--va-sky); }
.va-page-ai .va-ai-demo-chat { display: flex; flex-direction: column; gap: 10px; }
.va-page-ai .va-ai-demo-bubble { max-width: 85%; padding: 14px 18px; font-size: 16px; line-height: 1.45; }
.va-page-ai .va-ai-demo-bubble.is-examiner { align-self: flex-start; background: #fff; color: var(--va-navy); border-radius: 20px 20px 20px 6px; }
.va-page-ai .va-ai-demo-bubble.is-me { align-self: flex-end; background: var(--va-navy); color: #fff; border-radius: 20px 20px 6px 20px; }
.va-page-ai .va-ai-demo-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.va-page-ai .va-ai-demo-tags span { background: rgba(255, 255, 255, .12); padding: 8px 14px; border-radius: 999px; font-size: 14px; }
.va-page-ai .va-ai-demo-tags span.is-missed { background: var(--va-yellow); color: var(--va-navy); font-weight: 600; }

/* Study bot chat */
.va-page-ai .va-ai-chat { grid-column: span 7; background: #fff; padding: 12px; display: flex; flex-direction: column; height: 560px; }
.va-page-ai .va-ai-chat-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.va-page-ai .va-ai-chat-avatar { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 14px; background: var(--va-sky); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; }
.va-page-ai .va-ai-chat-name { font-weight: 600; }
.va-page-ai .va-ai-chat-sub { font-size: 13px; color: var(--va-ink-2); }
.va-page-ai .va-ai-chat-log { flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 12px 16px; background: var(--va-page); border-radius: 24px; overscroll-behavior: contain; }
.va-page-ai .va-ai-chat-log:focus-visible { outline: 2px solid var(--va-blue); outline-offset: 2px; }
.va-page-ai .va-ai-msg { align-self: flex-start; max-width: 82%; background: #fff; color: var(--va-navy); border-radius: 20px; padding: 13px 17px; font-size: 16px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; flex-shrink: 0; }
.va-page-ai .va-ai-msg.is-me { align-self: flex-end; background: var(--va-navy); color: #fff; }
.va-page-ai .va-ai-msg.is-error { background: #fff4e5; }
.va-page-ai .va-ai-typing { display: inline-flex; align-items: center; gap: 10px; color: var(--va-ink-2); }
.va-page-ai .va-ai-typing[hidden] { display: none; }
.va-page-ai .va-ai-dots { display: inline-flex; gap: 4px; }
.va-page-ai .va-ai-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--va-ink-2); animation: va-ai-dot 1.2s infinite ease-in-out; }
.va-page-ai .va-ai-dots i:nth-child(2) { animation-delay: .15s; }
.va-page-ai .va-ai-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes va-ai-dot { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

.va-page-ai .va-ai-chat-form { display: flex; gap: 8px; padding: 12px 4px 4px; margin: 0; }
.va-page-ai .va-ai-chat-form input { flex: 1; min-width: 0; border: 1.5px solid var(--va-sky-soft); border-radius: 999px; padding: 15px 22px; font-family: var(--va-font); font-size: 16px; color: var(--va-navy); outline: none; background: #fff; box-shadow: none; }
.va-page-ai .va-ai-chat-form input::placeholder { color: #7d8bab; }
.va-page-ai .va-ai-chat-form input:focus { border-color: var(--va-blue); }
.va-page-ai .va-ai-chat-form button { flex-shrink: 0; border: 0; background: var(--va-navy); color: #fff; font-weight: 600; font-size: 16px; padding: 15px 24px; border-radius: 999px; cursor: pointer; transition: opacity .15s; }
.va-page-ai .va-ai-chat-form button:disabled { opacity: .55; cursor: not-allowed; }

/* Study bot info + suggestions */
.va-page-ai .va-ai-bot-info { grid-column: span 5; background: var(--va-sky); padding: 48px; display: flex; flex-direction: column; gap: 20px; }
.va-page-ai .va-ai-bot-info .va-ai-lead { color: var(--va-ink-4); }
.va-page-ai .va-ai-prompts { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.va-page-ai .va-ai-prompts-label { font-size: 14px; font-weight: 600; color: var(--va-ink-4); }
.va-page-ai .va-ai-prompt { text-align: left; border: 0; background: #fff; color: var(--va-navy); border-radius: 18px; padding: 14px 18px; font-size: 16px; line-height: 1.4; cursor: pointer; transition: background .15s, color .15s; }
.va-page-ai .va-ai-prompt:hover, .va-page-ai .va-ai-prompt:focus-visible { background: var(--va-navy); color: #fff; }
.va-page-ai .va-ai-prompt:focus-visible { outline: 2px solid var(--va-navy); outline-offset: 2px; }
.va-page-ai .va-ai-prompt:disabled { opacity: .6; cursor: not-allowed; }

/* Responsive */
@media (max-width: 1199px) {
    .va-page-ai .va-ai-examiner, .va-page-ai .va-ai-bot-info { padding: 40px; }
}
@media (max-width: 991px) {
    .va-page-ai .va-ai-examiner, .va-page-ai .va-ai-demo, .va-page-ai .va-ai-chat, .va-page-ai .va-ai-bot-info { grid-column: 1 / -1; }
    .va-page-ai .va-ai-hero { padding: 48px 40px; }
}
@media (max-width: 767px) {
    .va-page-ai .va-ai-hero-wrap, .va-page-ai .va-ai-row { padding-left: 16px; padding-right: 16px; }
    .va-page-ai .va-ai-row { gap: 12px; padding-top: 6px; padding-bottom: 6px; }
    .va-page-ai .va-ai-row-bot { padding-bottom: 24px; }
    .va-page-ai .va-ai-hero { padding: 36px 24px; border-radius: 28px; gap: 20px; }
    .va-page-ai .va-ai-hero h1 { font-size: clamp(40px, 11.5vw, 56px); }
    .va-page-ai .va-ai-hero p { font-size: 17px; }
    .va-page-ai .va-ai-hero-buttons .va-btn { flex: 1 1 100%; white-space: normal; font-size: 17px; }
    .va-page-ai .va-ai-card { border-radius: 28px; }
    .va-page-ai .va-ai-examiner, .va-page-ai .va-ai-bot-info { padding: 28px 22px; gap: 18px; }
    .va-page-ai .va-ai-demo { padding: 22px 18px; }
    .va-page-ai .va-ai-demo-timer { font-size: 28px; }
    .va-page-ai .va-ai-demo-head span:first-child { font-size: 11px; }
    .va-page-ai .va-ai-demo-bubble { max-width: 92%; font-size: 15px; }
    .va-page-ai .va-ai-lead { font-size: 17px; }
    .va-page-ai .va-ai-checks { font-size: 16px; }
    .va-page-ai .va-ai-waitlist-form { flex-direction: column; border-radius: 24px; gap: 6px; }
    .va-page-ai .va-ai-waitlist-form input { padding: 12px 16px; }
    .va-page-ai .va-ai-waitlist-form button { width: 100%; }
    .va-page-ai .va-ai-waitlist-done { border-radius: 24px; }
    .va-page-ai .va-ai-chat { height: 520px; padding: 8px; }
    .va-page-ai .va-ai-chat-log { padding: 10px; }
    .va-page-ai .va-ai-msg { max-width: 90%; font-size: 15px; }
    .va-page-ai .va-ai-chat-form input { padding: 13px 16px; }
    .va-page-ai .va-ai-chat-form button { padding: 13px 18px; }
}
@media (prefers-reduced-motion: reduce) {
    .va-page-ai .va-ai-dots i { animation: none; opacity: .6; }
}