/* QA Automation Academy styles (prefix: qa-). Palette is theme-scoped: light is the default,
   dark applies when <html data-theme="dark"> (see the site-wide toggle in theme.css). */
:root { --qa-radius: 12px; }

:root,
html[data-theme="light"] {
    --qa-bg: #f5f6f8;
    --qa-panel: #ffffff;
    --qa-panel-2: #eef0f4;
    --qa-border: #d9dde4;
    --qa-text: #1c2027;
    --qa-muted: #5b6470;
    --qa-accent: #c25a38; /* warm clay, deepened for light backgrounds */
    --qa-accent-2: #a8472a;
    --qa-accent-soft: #f6e9e2;
    --qa-ok: #2f9e5e;
    --qa-bad: #cf4b3a;
}

html[data-theme="dark"] {
    --qa-bg: #0f1115;
    --qa-panel: #171a21;
    --qa-panel-2: #1e222b;
    --qa-border: #2a2f3a;
    --qa-text: #e7e9ee;
    --qa-muted: #9aa3b2;
    --qa-accent: #d97757; /* warm clay */
    --qa-accent-2: #e8a07f;
    --qa-accent-soft: #2a2018;
    --qa-ok: #4caf6e;
    --qa-bad: #e0604f;
}

/* ── Shell ───────────────────────────────────────────────────────── */
.qa-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--qa-bg);
    color: var(--qa-text);
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.qa-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px 28px;
    border-bottom: 1px solid var(--qa-border);
    background: var(--qa-panel);
    position: sticky;
    top: 0;
    z-index: 10;
}

.qa-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--qa-text);
    text-decoration: none;
}

.qa-brand-mark { font-size: 1.4rem; }

.qa-topnav {
    margin-left: auto;
    display: flex;
    gap: 18px;
}

/* Language switcher */
.qa-langswitch { display: flex; align-items: center; gap: 6px; }
.qa-lang-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--qa-border);
    background: var(--qa-panel-2);
    color: var(--qa-muted);
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.qa-lang-pill:hover:not(:disabled) { color: var(--qa-text); }
.qa-lang-pill.active { background: var(--qa-accent); color: #1a120c; border-color: var(--qa-accent); }
.qa-lang-pill:disabled { opacity: .5; cursor: default; }
.qa-admin-langswitch { margin: 8px 0 16px; }

/* Language chooser landing */
.qa-chooser { text-align: center; padding: 60px 0; }
.qa-chooser-sub { color: var(--qa-muted); margin: 10px 0 30px; }
.qa-lang-cards { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.qa-lang-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 160px;
    padding: 26px 18px;
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    text-decoration: none;
    color: var(--qa-text);
    transition: border-color .15s ease, transform .15s ease;
}
.qa-lang-card:hover { border-color: var(--qa-accent); transform: translateY(-2px); }
.qa-lang-code {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--qa-accent);
    letter-spacing: .05em;
}
.qa-lang-name { font-size: 1.05rem; }

.qa-topnav a {
    color: var(--qa-muted);
    text-decoration: none;
    font-size: .92rem;
}

.qa-topnav a:hover { color: var(--qa-text); }

.qa-body {
    flex: 1;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px;
    box-sizing: border-box;
}

.qa-footer {
    border-top: 1px solid var(--qa-border);
    padding: 18px 28px;
    color: var(--qa-muted);
    font-size: .82rem;
    text-align: center;
}

/* ── Common bits ─────────────────────────────────────────────────── */
.qa-h1 { font-size: 1.7rem; margin: 6px 0 10px; }
.qa-muted { color: var(--qa-muted); }

.qa-back {
    display: inline-block;
    color: var(--qa-muted);
    text-decoration: none;
    font-size: .9rem;
    margin-bottom: 12px;
}
.qa-back:hover { color: var(--qa-accent-2); }

.qa-btn {
    display: inline-block;
    background: var(--qa-accent);
    color: #1a120c;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    text-decoration: none;
    transition: filter .15s ease;
}
.qa-btn:hover:not(:disabled) { filter: brightness(1.08); }
.qa-btn:disabled { opacity: .5; cursor: default; }

.qa-btn-secondary {
    background: transparent;
    color: var(--qa-text);
    border: 1px solid var(--qa-border);
}
.qa-btn-small { padding: 6px 12px; font-size: .85rem; }

.qa-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--qa-panel-2);
    border: 1px solid var(--qa-border);
    color: var(--qa-muted);
    font-size: .78rem;
}
.qa-badge-ok { color: var(--qa-ok); border-color: rgba(76,175,110,.4); }
.qa-badge-warn { color: #f0c9a8; border-color: #5a3a22; background: #2a1e14; }

.qa-alert {
    background: #2a1e14;
    border: 1px solid #5a3a22;
    color: #f0c9a8;
    padding: 12px 16px;
    border-radius: 8px;
    margin: 14px 0;
    font-size: .92rem;
}
.qa-alert code { background: rgba(0,0,0,.3); padding: 1px 5px; border-radius: 4px; }

.qa-field { display: flex; gap: 10px; align-items: center; margin: 12px 0; }

.qa-input {
    width: 100%;
    background: var(--qa-panel-2);
    border: 1px solid var(--qa-border);
    border-radius: 8px;
    color: var(--qa-text);
    padding: 10px 12px;
    font-size: .95rem;
    font-family: inherit;
    box-sizing: border-box;
    resize: vertical;
}
.qa-input:focus { outline: none; border-color: var(--qa-accent); }

.qa-loading { text-align: center; padding: 60px 0; color: var(--qa-muted); }

/* ── Home / tracks ───────────────────────────────────────────────── */
.qa-hero { text-align: center; padding: 24px 0 8px; }
.qa-hero-title { font-size: 2.2rem; margin: 0 0 12px; }
.qa-hero-sub { color: var(--qa-muted); max-width: 680px; margin: 0 auto; line-height: 1.6; }

.qa-tracks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.qa-track-card {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qa-track-card { border-top: 3px solid var(--qa-border); }
.qa-track-basic { border-top-color: #4caf6e; }
.qa-track-intermediary { border-top-color: #d9a23f; }
.qa-track-higher { border-top-color: var(--qa-accent); }

.qa-track-badge {
    align-self: flex-start;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--qa-muted);
    background: var(--qa-panel-2);
    border: 1px solid var(--qa-border);
    padding: 3px 9px;
    border-radius: 999px;
}
.qa-track-name { font-size: 1.2rem; margin: 4px 0 0; }
.qa-track-aud { color: var(--qa-muted); font-size: .9rem; flex: 1; line-height: 1.5; }
.qa-track-card .qa-btn { align-self: flex-start; margin-top: 6px; }

/* ── Outline ─────────────────────────────────────────────────────── */
.qa-outline-head { margin-bottom: 22px; }

.qa-progress-line { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.qa-progress-track {
    flex: 1;
    height: 8px;
    background: var(--qa-panel-2);
    border-radius: 999px;
    overflow: hidden;
}
.qa-progress-fill { height: 100%; background: var(--qa-ok); transition: width .3s ease; }
.qa-progress-label { color: var(--qa-muted); font-size: .85rem; white-space: nowrap; }

.qa-stage {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 18px 20px;
    margin-bottom: 16px;
}
.qa-stage-head { display: flex; align-items: center; gap: 12px; }
.qa-stage-title { font-size: 1.15rem; margin: 0; flex: 1; }
.qa-stage-summary { color: var(--qa-muted); font-size: .9rem; margin: 6px 0 12px; }

.qa-lesson-list { list-style: none; padding: 0; margin: 0; }
.qa-lesson-row { border-top: 1px solid var(--qa-border); }
.qa-lesson-row a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 4px;
    color: var(--qa-text);
    text-decoration: none;
}
.qa-lesson-row a:hover { color: var(--qa-accent-2); }
.qa-lesson-check { color: var(--qa-muted); width: 18px; text-align: center; }
.qa-lesson-done .qa-lesson-check { color: var(--qa-ok); }
.qa-lesson-done .qa-lesson-title { color: var(--qa-muted); }

.qa-empty { text-align: center; padding: 50px 0; }

/* ── Lesson reader ───────────────────────────────────────────────── */
.qa-reader {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: start;
}
@media (max-width: 900px) { .qa-reader { grid-template-columns: 1fr; } }

.qa-reader-crumb { color: var(--qa-muted); font-size: .85rem; margin-bottom: 6px; }

.qa-lesson-body {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 26px 30px;
    line-height: 1.7;
}
.qa-lesson-body h2 { font-size: 1.6rem; margin-top: 0; }
.qa-lesson-body h3 { font-size: 1.2rem; margin-top: 1.6em; color: var(--qa-accent-2); }
.qa-lesson-body p { margin: 0 0 1em; }
.qa-lesson-body ul, .qa-lesson-body ol { padding-left: 1.4em; margin: 0 0 1em; }
.qa-lesson-body li { margin: .3em 0; }
/* Code blocks stay terminal-style (dark) in BOTH themes, so force a light text
   colour — otherwise in light mode the inherited dark --qa-text is invisible. */
.qa-lesson-body code {
    background: #0c0e12;
    color: #e7e9ee;
    border: 1px solid var(--qa-border);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: .88em;
    font-family: "Cascadia Code", Consolas, monospace;
}
.qa-lesson-body pre {
    background: #0c0e12;
    color: #e7e9ee;
    border: 1px solid var(--qa-border);
    border-radius: 8px;
    padding: 14px 16px;
    overflow-x: auto;
}
.qa-lesson-body pre code { background: none; border: none; padding: 0; }
.qa-lesson-body table { border-collapse: collapse; width: 100%; margin: 0 0 1em; }
.qa-lesson-body th, .qa-lesson-body td { border: 1px solid var(--qa-border); padding: 8px 10px; text-align: left; }
.qa-lesson-body a { color: var(--qa-accent-2); }
.qa-lesson-body blockquote {
    border-left: 3px solid var(--qa-accent);
    margin: 0 0 1em;
    padding: 4px 14px;
    color: var(--qa-muted);
}

.qa-reader-footer { margin-top: 20px; }
.qa-complete-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--qa-muted);
    cursor: pointer;
    margin-bottom: 16px;
}
.qa-complete-toggle input { width: 16px; height: 16px; accent-color: var(--qa-ok); }
.qa-reader-nav { display: flex; justify-content: space-between; gap: 12px; }

/* ── Tutor chat ──────────────────────────────────────────────────── */
.qa-reader-aside { position: sticky; top: 80px; }
.qa-tutor {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 120px);
}
.qa-tutor-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--qa-border);
    font-weight: 600;
}
.qa-tutor-icon { font-size: 1.2rem; }
.qa-tutor-empty { padding: 16px; }
.qa-tutor-log { flex: 1; overflow-y: auto; padding: 14px 16px; min-height: 160px; }
.qa-tutor-hint { color: var(--qa-muted); font-size: .88rem; line-height: 1.5; }

.qa-tutor-q {
    background: var(--qa-accent-soft);
    border: 1px solid #3a2c1e;
    color: var(--qa-accent-2);
    padding: 8px 12px;
    border-radius: 10px 10px 2px 10px;
    margin: 10px 0 6px auto;
    max-width: 90%;
    width: fit-content;
    font-size: .9rem;
}
.qa-tutor-a {
    background: var(--qa-panel-2);
    border: 1px solid var(--qa-border);
    padding: 10px 13px;
    border-radius: 10px 10px 10px 2px;
    margin: 0 0 12px;
    font-size: .9rem;
    line-height: 1.55;
}
.qa-tutor-a p { margin: 0 0 .7em; }
.qa-tutor-a p:last-child { margin-bottom: 0; }
.qa-tutor-a pre {
    background: #0c0e12;
    color: #e7e9ee;
    border: 1px solid var(--qa-border);
    border-radius: 6px;
    padding: 10px;
    overflow-x: auto;
}
.qa-tutor-a code { font-family: "Cascadia Code", Consolas, monospace; font-size: .85em; }

.qa-tutor-typing { display: inline-flex; gap: 4px; }
.qa-tutor-typing span {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--qa-muted);
    animation: qa-blink 1.2s infinite both;
}
.qa-tutor-typing span:nth-child(2) { animation-delay: .2s; }
.qa-tutor-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes qa-blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

.qa-tutor-error { margin: 0 16px; }
.qa-tutor-input { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--qa-border); }
.qa-tutor-input .qa-input { flex: 1; }

/* ── Admin ───────────────────────────────────────────────────────── */
.qa-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 16px;
}
.qa-admin-card {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 18px;
}
.qa-admin-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.qa-admin-card-head h2 { font-size: 1.15rem; margin: 0; }
.qa-admin-aud { color: var(--qa-muted); font-size: .85rem; line-height: 1.5; margin: 8px 0 14px; }

.qa-gen { margin-top: 8px; }
.qa-gen-phase { font-size: .85rem; color: var(--qa-accent-2); margin-bottom: 6px; }
.qa-gen-bar { height: 8px; background: var(--qa-panel-2); border-radius: 999px; overflow: hidden; }
.qa-gen-bar-fill { height: 100%; background: var(--qa-accent); transition: width .3s ease; }
.qa-gen-detail { font-size: .8rem; color: var(--qa-muted); margin-top: 6px; }

/* ── Quiz ────────────────────────────────────────────────────────── */
.qa-quiz-intro {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 26px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.qa-quiz-best { color: var(--qa-muted); }
.qa-quiz-running-title { margin-bottom: 16px; }
.qa-quiz-perfect { text-align: center; color: var(--qa-ok); font-weight: 600; margin: 18px 0; }
.qa-quiz-status { margin-bottom: 8px; }

/* Cross-link injected into the CCA-F exam header (QuizLayout). */
.ql-academy-link {
    margin-left: auto;
    color: #d97757;
    text-decoration: none;
    font-size: .9rem;
    font-weight: 600;
    white-space: nowrap;
}
.ql-academy-link:hover { text-decoration: underline; }

/* ── User cabinet ────────────────────────────────────────────────────── */
.qa-cabinet { max-width: 880px; margin: 0 auto; }
.qa-cabinet-stats { display: flex; gap: 14px; flex-wrap: wrap; margin: 16px 0 24px; }
.qa-cabinet-stat {
    flex: 1;
    min-width: 120px;
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 18px;
    text-align: center;
}
.qa-cabinet-stat-num { display: block; font-size: 1.6rem; font-weight: 800; color: var(--qa-accent); line-height: 1; }
.qa-cabinet-stat-label { display: block; font-size: .78rem; color: var(--qa-muted); margin-top: 6px; }

.qa-cabinet-card {
    background: var(--qa-panel);
    border: 1px solid var(--qa-border);
    border-radius: var(--qa-radius);
    padding: 22px 24px;
    margin-bottom: 20px;
}
.qa-cabinet-h2 { font-size: 1.1rem; font-weight: 700; margin: 0 0 6px; color: var(--qa-text); }
.qa-cabinet-field { margin: 12px 0; max-width: 420px; }

.qa-cabinet-table { width: 100%; border-collapse: collapse; font-size: .88rem; margin-top: 12px; }
.qa-cabinet-table th { text-align: left; color: var(--qa-muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--qa-border); }
.qa-cabinet-table td { padding: 10px 10px; border-bottom: 1px solid var(--qa-border); color: var(--qa-text); vertical-align: middle; }
.qa-mono { font-family: "Cascadia Code", Consolas, monospace; font-size: .8rem; color: var(--qa-muted); }

.qa-refund-box { background: var(--qa-panel-2); border-radius: 8px; padding: 14px 16px; }
.qa-refund-actions { display: flex; gap: 10px; margin-top: 10px; }
.qa-refund-note { font-size: .8rem; margin: 10px 0 0; }
.qa-refund-note a { color: var(--qa-accent-2); }

.qa-footer-links { margin-top: 8px; }
.qa-footer-links a { color: var(--qa-muted); text-decoration: none; }
.qa-footer-links a:hover { color: var(--qa-accent-2); text-decoration: underline; }

/* Email verification (in the cabinet) */
.qa-cabinet-h3 { font-size: .98rem; font-weight: 700; margin: 0 0 4px; color: var(--qa-text); }
.qa-verify-wrap { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--qa-border); }
.qa-verify .qa-cabinet-field { max-width: 320px; }
.qa-verify-msg { color: var(--qa-bad); font-size: .85rem; margin: 10px 0 0; }
.qa-verify-done { display: flex; align-items: center; gap: 10px; color: var(--qa-text); font-size: .92rem; }
.qa-verify-badge {
    display: inline-block;
    background: var(--qa-accent-soft);
    color: var(--qa-ok);
    border: 1px solid rgba(76, 175, 110, .4);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: .8rem;
    font-weight: 600;
}
