/* Training portal — its own light-touch skin, built on the shared --bw-*
   tokens so it inherits light/dark automatically and still feels like part
   of the same product. */

.tr-page { background: var(--bw-bg); min-height: 100vh; padding-bottom: 24px; }

.tr-topbar {
    display: flex; align-items: center; gap: 10px;
    min-height: 60px;
    padding: 8px 22px;
    background: var(--bw-surface);
    border-bottom: 1px solid var(--bw-border);
}
/* 44px back arrow for people who came from the main app. */
.tr-topbar .tr-back {
    display: inline-flex; align-items: center; justify-content: center; flex: none;
    width: 44px; height: 44px; margin-left: -10px; border-radius: 50%;
    color: var(--bw-primary); font-size: 18px; text-decoration: none;
}
.tr-topbar .tr-back:hover, .tr-topbar .tr-back:focus-visible { background: var(--bw-primary-soft); outline: none; }
.tr-brand { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; font-size: 17px; color: var(--bw-text); text-decoration: none; }
.tr-topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 4px; }
/* Section links are 40px pills; the current one is filled. */
.tr-link {
    display: inline-flex; align-items: center; min-height: 40px; padding: 6px 14px;
    border-radius: 999px; font-size: 14px; font-weight: 600;
    color: var(--bw-primary); text-decoration: none;
    transition: background-color .15s var(--bw-ease), color .15s var(--bw-ease);
}
.tr-link:hover, .tr-link:focus-visible { background: var(--bw-primary-soft); text-decoration: none; color: var(--bw-primary); outline: none; }
.tr-link.is-active { background: var(--bw-primary-soft); }
.tr-signout { margin: 0 0 0 6px; }
.tr-signout .tr-btn { min-height: 40px; }

.tr-container { max-width: 780px; margin: 0 auto; padding: 22px 18px 40px; }

.tr-h1 { font-size: 24px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 6px; }
.tr-h2 {
    font-size: 13px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .06em; color: var(--bw-muted); margin: 26px 0 10px;
}
.tr-muted { color: var(--bw-muted); }
.tr-small { font-size: 12.5px; }
.tr-back { display: inline-block; font-size: 13px; color: var(--bw-primary);
           text-decoration: none; margin-bottom: 10px; }

/* Cards */
.tr-card {
    display: flex; align-items: center; gap: 12px;
    background: var(--bw-surface); border: 1px solid var(--bw-border);
    border-radius: var(--bw-radius); box-shadow: var(--bw-shadow-sm);
    padding: 14px 16px; margin-bottom: 10px;
}
.tr-card-stack { display: block; }
.tr-card-link { text-decoration: none; color: inherit; transition: box-shadow .15s var(--bw-ease); }
.tr-card-link:hover { box-shadow: var(--bw-shadow); text-decoration: none; color: inherit; }
.tr-card-muted { opacity: .72; }
.tr-card-main { flex: 1; min-width: 0; }
.tr-card-side { flex: none; display: flex; align-items: center; gap: 8px; }
.tr-card-title { font-weight: 650; font-size: 15px; color: var(--bw-text); }
.tr-card-meta { font-size: 12.5px; color: var(--bw-muted); margin-top: 3px; }

/* Completion bar */
.tr-bar {
    height: 5px; border-radius: 999px; background: var(--bw-surface-2);
    margin-top: 8px; overflow: hidden;
}
.tr-bar > i {
    display: block; height: 100%; border-radius: 999px;
    background: var(--bw-primary); transition: width .3s var(--bw-ease);
}

.tr-progress { margin: 14px 0 22px; }
.tr-progress-label {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: 12.5px; font-weight: 600; color: var(--bw-text-2); margin-bottom: 2px;
}
.tr-progress-label span { color: var(--bw-primary); }

/* Chips */
.tr-chip {
    font-size: 11px; font-weight: 650; border-radius: 999px; padding: 3px 10px;
    background: var(--bw-surface-2); color: var(--bw-text-2); white-space: nowrap;
}
.tr-chip-green { background: var(--bw-success-soft); color: var(--bw-success); }
.tr-chip-blue { background: var(--bw-primary-soft); color: var(--bw-primary); }
.tr-chip-danger { background: var(--bw-danger-soft); color: var(--bw-danger); }

/* Buttons */
.tr-btn {
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600; border: none; cursor: pointer;
    border-radius: 999px; padding: 9px 18px; text-decoration: none;
    min-height: 40px;
    transition: background-color .15s var(--bw-ease), opacity .15s var(--bw-ease);
}
.tr-btn-primary { background: var(--bw-action-primary); color: var(--bw-on-action); }
.tr-btn-primary:hover, .tr-btn-primary:focus { background: var(--bw-action-primary-hover); color: var(--bw-on-action); text-decoration: none; }
.tr-btn-quiet { background: var(--bw-surface-2); color: var(--bw-text-2); }
.tr-btn-quiet:hover, .tr-btn-quiet:focus { background: var(--bw-border); color: var(--bw-text); text-decoration: none; }
.tr-btn-block { width: 100%; }
.tr-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }

/* Forms */
.tr-input, .tr-textarea {
    background: var(--bw-surface); color: var(--bw-text);
    border: 1px solid var(--bw-border-strong); border-radius: var(--bw-radius-sm);
    padding: 9px 12px; font-size: 14px; width: 100%;
}
.tr-input { min-height: 44px; }
.tr-textarea { margin-bottom: 10px; resize: vertical; }
.tr-field-label {
    font-size: 12px; font-weight: 650; text-transform: uppercase;
    letter-spacing: .04em; color: var(--bw-muted); margin: 14px 0 4px;
}
.tr-field-label:first-child { margin-top: 0; }
.tr-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.tr-row .tr-input { flex: 1 1 180px; width: auto; }
.tr-row .tr-btn { flex: none; }

/* Alerts */
.tr-alert { border-radius: var(--bw-radius-sm); padding: 11px 14px; margin-bottom: 14px; font-size: 14px; }
.tr-alert-ok { background: var(--bw-success-soft); color: var(--bw-success); }
.tr-alert-warn { background: var(--bw-warning-soft); color: var(--bw-warning); }
.tr-alert-error { background: var(--bw-danger-soft); color: var(--bw-danger); }
.tr-alert-info { background: var(--bw-primary-soft); color: var(--bw-primary); }

/* Lesson + quiz */
.tr-lesson-body { font-size: 15px; line-height: 1.65; color: var(--bw-text-2); margin: 14px 0 22px; }
.tr-choice {
    display: flex; align-items: flex-start; gap: 10px; font-weight: 400;
    padding: 9px 0; cursor: pointer; color: var(--bw-text-2);
}
.tr-choice input { margin-top: 3px; }
.tr-explain {
    margin-top: 8px; font-size: 13px; color: var(--bw-text-2);
    background: rgba(175, 82, 222, .08); border-radius: var(--bw-radius-sm); padding: 8px 12px;
}
.tr-correct { color: var(--bw-success); font-weight: 600; }
.tr-submission {
    background: var(--bw-surface-2); border-radius: var(--bw-radius-sm);
    padding: 10px 12px; margin: 8px 0; font-size: 14px; color: var(--bw-text-2);
}
.tr-sub-status { margin: 8px 0; }

/* Quiz result */
.tr-result {
    text-align: center; padding: 26px; border-radius: var(--bw-radius);
    margin: 16px 0; background: var(--bw-surface); border: 1px solid var(--bw-border);
}
.tr-result-score { font-size: 44px; font-weight: 700; letter-spacing: -.03em; }
.tr-result-pass .tr-result-score { color: var(--bw-success); }
.tr-result-fail .tr-result-score { color: var(--bw-danger); }
.tr-result-label { font-weight: 650; margin-bottom: 4px; }

/* Sign-in */
.tr-login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--bw-bg); padding: 24px;
}
.tr-login-card {
    width: 100%; max-width: 380px; background: var(--bw-surface);
    border: 1px solid var(--bw-border); border-radius: var(--bw-radius-lg);
    box-shadow: var(--bw-shadow); padding: 28px 26px;
}
.tr-login-title { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.tr-login-sub { color: var(--bw-muted); font-size: 13.5px; margin: 4px 0 18px; }
.tr-field { margin-bottom: 14px; }
.tr-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.tr-field input {
    width: 100%; background: var(--bw-surface); color: var(--bw-text);
    border: 1px solid var(--bw-border-strong); border-radius: var(--bw-radius-sm);
    padding: 10px 12px; font-size: 15px;
}
.tr-login-note { margin: 16px 0 0; font-size: 12.5px; color: var(--bw-muted); text-align: center; }

@media (max-width: 600px) {
    .tr-card { flex-direction: column; align-items: flex-start; }
    .tr-card-side { width: 100%; }
    .tr-topbar { padding: 8px 16px; gap: 6px; flex-wrap: wrap; }
    .tr-topbar-actions { gap: 2px; flex-wrap: wrap; }
    .tr-link { padding: 6px 10px; font-size: 13.5px; }
    .tr-card-side { flex-wrap: wrap; }
    .tr-card-title, .tr-card-meta, .tr-lesson-body { overflow-wrap: anywhere; }
}