.ielts-ps-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 14px;
    font-family: Arial, sans-serif;
    color: #111827;
}

.ielts-ps-hero,
.ielts-ps-card,
.ielts-ps-test-shell,
.ielts-ps-placeholder,
.ielts-ps-stat {
    background: rgba(255, 255, 255, .92);
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 24px;
    box-shadow: 0 14px 45px rgba(15, 23, 42, .08);
}

.ielts-ps-hero {
    padding: 28px;
    margin-bottom: 18px;
}

.ielts-ps-hero h2,
.ielts-ps-test-topbar h2 {
    margin: 8px 0;
    font-size: clamp(26px, 4vw, 42px);
    line-height: 1.12;
}

.ielts-ps-hero p,
.ielts-ps-test-topbar p,
.ielts-ps-card p,
.ielts-ps-test-card p {
    color: #4b5563;
}

.ielts-ps-pill,
.ielts-ps-type {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    background: #eef2ff;
    color: #3730a3;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .02em;
}

.ielts-ps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.ielts-ps-card,
.ielts-ps-test-shell,
.ielts-ps-placeholder,
.ielts-ps-stat {
    padding: 20px;
}

.ielts-ps-list {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.ielts-ps-test-card {
    display: grid;
    gap: 10px;
    padding: 16px;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 18px;
    background: #f9fafb;
}

.ielts-ps-test-card h4 {
    margin: 8px 0 4px;
    font-size: 18px;
}

.ielts-ps-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ielts-ps-meta span {
    background: #fff;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 13px;
}

.ielts-ps-test-topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    border-bottom: 1px solid rgba(17, 24, 39, .08);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.ielts-ps-timer {
    position: sticky;
    top: 14px;
    min-width: 96px;
    text-align: center;
    padding: 12px 14px;
    border-radius: 16px;
    background: #111827;
    color: #fff;
    font-weight: 800;
}

.ielts-ps-placeholder ul {
    margin-bottom: 0;
}

.ielts-ps-empty,
.ielts-ps-alert {
    padding: 16px;
    border-radius: 18px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
}

.ielts-ps-stat strong {
    display: block;
    font-size: 34px;
    line-height: 1;
}

.ielts-ps-stat span {
    display: block;
    margin-top: 8px;
    color: #4b5563;
}

@media (max-width: 720px) {
    .ielts-ps-test-topbar {
        display: block;
    }

    .ielts-ps-timer {
        margin-top: 12px;
        width: fit-content;
    }
}

.ielts-reading-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .9fr);
    gap: 18px;
    align-items: start;
}

.ielts-reading-passage-pane,
.ielts-reading-question-pane {
    max-height: 74vh;
    overflow: auto;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 22px;
    background: #fff;
}

.ielts-reading-passage,
.ielts-question-section {
    padding: 22px;
    border-bottom: 1px solid rgba(17, 24, 39, .08);
}

.ielts-reading-passage:last-child,
.ielts-question-section:last-child {
    border-bottom: 0;
}

.ielts-reading-passage-content {
    font-size: 16px;
    line-height: 1.72;
    color: #1f2937;
}

.ielts-question-card {
    border: 1px solid rgba(17, 24, 39, .09);
    border-radius: 18px;
    padding: 16px;
    margin: 14px 0;
    background: #f9fafb;
}

.ielts-question-card.is-correct {
    border-color: #86efac;
    background: #f0fdf4;
}

.ielts-question-card.is-wrong {
    border-color: #fecaca;
    background: #fef2f2;
}

.ielts-question-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.ielts-question-title span {
    font-size: 12px;
    color: #4b5563;
    background: #fff;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 999px;
    padding: 5px 9px;
}

.ielts-question-text {
    color: #111827;
    line-height: 1.6;
}

.ielts-text-answer {
    width: 100%;
    border: 1px solid rgba(17, 24, 39, .18);
    border-radius: 14px;
    padding: 12px 13px;
    font-size: 16px;
    background: #fff;
}

.ielts-radio-list {
    display: grid;
    gap: 8px;
}

.ielts-radio-list label {
    display: block;
    background: #fff;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 14px;
    padding: 10px 12px;
    cursor: pointer;
}

.ielts-answer-review {
    margin-top: 12px;
    padding: 12px;
    border-radius: 14px;
    background: rgba(255,255,255,.72);
}

.ielts-explanation {
    border-top: 1px solid rgba(17,24,39,.08);
    margin-top: 10px;
    padding-top: 10px;
    color: #374151;
}

.ielts-submit-bar {
    position: sticky;
    bottom: 0;
    padding: 14px;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(17,24,39,.08);
}

.ielts-submit-btn {
    width: 100%;
    border: 0;
    border-radius: 16px;
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 800;
    background: #111827;
    color: #fff;
    cursor: pointer;
}

.ielts-result-box {
    margin-bottom: 16px;
    padding: 18px;
    border-radius: 22px;
    background: #ecfdf5;
    border: 1px solid #86efac;
}

.ielts-result-box h3 {
    margin: 8px 0;
    font-size: 28px;
}

.ielts-history-list {
    display: grid;
    gap: 10px;
}

.ielts-history-item {
    padding: 14px;
    border-radius: 16px;
    background: #f9fafb;
    border: 1px solid rgba(17,24,39,.08);
}

.ielts-history-item span {
    display: block;
    margin-top: 5px;
    color: #4b5563;
}

@media (max-width: 900px) {
    .ielts-reading-layout {
        grid-template-columns: 1fr;
    }

    .ielts-reading-passage-pane,
    .ielts-reading-question-pane {
        max-height: none;
    }
}

/* Step 2.2 - iOS style frontend refresh */
body .ielts-ps-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial, sans-serif;
}

.ielts-ps-wrap {
    color: #0f172a;
}

.ielts-ps-hero,
.ielts-ps-card,
.ielts-ps-test-shell,
.ielts-ps-placeholder,
.ielts-ps-stat,
.ielts-reading-passage-pane,
.ielts-reading-question-pane,
.ielts-question-card,
.ielts-result-box {
    border-radius: 28px !important;
    border: 1px solid rgba(15, 23, 42, .08) !important;
    box-shadow: 0 18px 60px rgba(15, 23, 42, .08) !important;
}

.ielts-ps-hero,
.ielts-ps-test-shell {
    background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(248,250,252,.92));
}

.ielts-ps-hero h2,
.ielts-ps-test-topbar h2 {
    letter-spacing: -0.05em;
    font-weight: 880;
}

.ielts-ps-pill,
.ielts-ps-type,
.ielts-question-title span {
    border: 1px solid rgba(99,102,241,.12);
    background: rgba(238,242,255,.92);
}

.ielts-ps-timer {
    border-radius: 20px;
    background: rgba(17,24,39,.94);
    box-shadow: 0 10px 25px rgba(17,24,39,.25);
}

.ielts-reading-passage-pane,
.ielts-reading-question-pane {
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(18px);
}

.ielts-question-card {
    background: rgba(248,250,252,.88);
}

.ielts-text-answer {
    border-radius: 16px;
    min-height: 46px;
}

.ielts-radio-list label {
    border-radius: 18px;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.ielts-radio-list label:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(15,23,42,.07);
    border-color: rgba(79,70,229,.25);
}

.ielts-submit-btn {
    border-radius: 18px;
    min-height: 52px;
    background: linear-gradient(180deg, #111827, #020617);
    box-shadow: 0 12px 28px rgba(15,23,42,.25);
}

.ielts-submit-bar {
    border-radius: 24px 24px 0 0;
}

.ielts-result-box {
    background: linear-gradient(180deg, #ecfdf5, #f0fdf4);
}

/* Step 2.3 - test controls, split pane, result actions */
.ielts-test-tools {
    display: grid;
    gap: 10px;
    justify-items: end;
    min-width: 210px;
}

.ielts-font-tool {
    display: grid;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 18px;
    background: rgba(255,255,255,.92);
    border: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 8px 22px rgba(15,23,42,.05);
}

.ielts-font-tool span {
    font-size: 12px;
    font-weight: 800;
    color: #475569;
}

.ielts-font-size-slider {
    width: 150px;
    accent-color: #111827;
}

.ielts-reading-layout {
    grid-template-columns: minmax(280px, 1fr) 10px minmax(320px, .9fr);
}

.ielts-splitter {
    align-self: stretch;
    cursor: col-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(148,163,184,.16);
    transition: background .15s ease;
}

.ielts-splitter:hover,
body.ielts-resizing .ielts-splitter {
    background: rgba(79,70,229,.22);
}

.ielts-splitter span {
    width: 4px;
    height: 48px;
    border-radius: 999px;
    background: rgba(15,23,42,.26);
}

body.ielts-resizing {
    cursor: col-resize;
    user-select: none;
}

.ielts-reading-passage-content,
.ielts-question-text,
.ielts-answer-review,
.ielts-radio-list label,
.ielts-text-answer {
    font-size: var(--ielts-test-font-size, 16px);
}

.ielts-result-box {
    display: grid;
    gap: 14px;
}

.ielts-result-main h3 {
    margin: 8px 0;
}

.ielts-band-card {
    padding: 16px;
    border-radius: 22px;
    background: rgba(255,255,255,.84);
    border: 1px solid rgba(15,23,42,.08);
}

.ielts-band-number {
    font-size: clamp(42px, 8vw, 72px);
    line-height: 1;
    font-weight: 900;
    letter-spacing: -.06em;
    margin: 8px 0;
}

.ielts-equivalence-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.ielts-equivalence-table div {
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.9);
    border: 1px solid rgba(15,23,42,.08);
}

.ielts-equivalence-table span {
    display: block;
    color: #64748b;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 6px;
}

.ielts-equivalence-table strong {
    display: block;
    color: #0f172a;
}

.ielts-score-note {
    margin: 0;
    color: #64748b;
    font-size: 13px;
}

.ielts-result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ielts-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 18px;
    border-radius: 999px;
    background: #111827;
    color: #fff !important;
    text-decoration: none !important;
    font-weight: 850;
    box-shadow: 0 12px 28px rgba(15,23,42,.18);
}

.ielts-action-btn.secondary {
    background: #eef2ff;
    color: #3730a3 !important;
    box-shadow: none;
}

@media (max-width: 900px) {
    .ielts-test-tools {
        justify-items: start;
        margin-top: 12px;
    }

    .ielts-reading-layout {
        grid-template-columns: 1fr !important;
    }

    .ielts-splitter {
        display: none;
    }

    .ielts-equivalence-table {
        grid-template-columns: 1fr;
    }
}

/* Step 3 - Listening Practice */
.ielts-listening-layout {
    display: grid;
    gap: 18px;
}

.ielts-listening-section {
    display: grid;
    gap: 14px;
    padding: 18px;
    border-radius: 28px;
    background: rgba(255,255,255,.9);
    border: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 18px 50px rgba(15,23,42,.06);
}

.ielts-listening-audio-card {
    display: grid;
    gap: 12px;
    padding: 16px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(248,250,252,.96), rgba(255,255,255,.92));
    border: 1px solid rgba(15,23,42,.08);
}

.ielts-listening-audio-card audio {
    width: 100%;
}

.ielts-listening-instruction {
    font-size: var(--ielts-test-font-size, 16px);
    line-height: 1.7;
    color: #334155;
    padding: 12px;
    border-radius: 18px;
    background: rgba(238,242,255,.55);
    border: 1px solid rgba(99,102,241,.12);
}

.ielts-listening-questions {
    padding: 4px 2px;
}

.ielts-listening-questions .ielts-question-card {
    background: rgba(248,250,252,.9);
}

.ielts-ps-listening-wrap .ielts-question-text,
.ielts-ps-listening-wrap .ielts-answer-review,
.ielts-ps-listening-wrap .ielts-radio-list label,
.ielts-ps-listening-wrap .ielts-text-answer {
    font-size: var(--ielts-test-font-size, 16px);
}

@media (min-width: 980px) {
    .ielts-listening-section {
        grid-template-columns: minmax(260px, .55fr) minmax(420px, 1fr);
        align-items: start;
    }

    .ielts-listening-audio-card {
        position: sticky;
        top: 90px;
    }
}

/* Step 4 - scoring details */
.ielts-section-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.ielts-section-breakdown div {
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.9);
    border: 1px solid rgba(15,23,42,.08);
}

.ielts-section-breakdown span,
.ielts-section-breakdown small {
    display: block;
    color: #64748b;
    font-size: 12px;
    font-weight: 800;
}

.ielts-section-breakdown strong {
    display: block;
    margin: 6px 0 4px;
    font-size: 22px;
    color: #0f172a;
}

.ielts-question-card.is-unanswered {
    border-color: #fde68a;
    background: #fffbeb;
}

/* Step 5 - Student Dashboard nâng cấp */
.ielts-student-dashboard .ielts-ps-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    overflow: hidden;
    position: relative;
}

.ielts-student-dashboard .ielts-ps-hero::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(99,102,241,.20), rgba(99,102,241,0) 68%);
    pointer-events: none;
}

.ielts-dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.ielts-dashboard-stats .ielts-ps-stat {
    position: relative;
    overflow: hidden;
    min-height: 112px;
    background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,250,252,.9));
}

.ielts-dashboard-stats .ielts-ps-stat::after {
    content: "";
    position: absolute;
    right: -34px;
    bottom: -40px;
    width: 94px;
    height: 94px;
    border-radius: 999px;
    background: rgba(99,102,241,.10);
}

.ielts-dashboard-stats .ielts-ps-stat strong {
    position: relative;
    z-index: 1;
    letter-spacing: -0.06em;
    font-size: clamp(30px, 4vw, 46px);
}

.ielts-dashboard-stats .ielts-ps-stat span {
    position: relative;
    z-index: 1;
    font-weight: 750;
}

.ielts-dashboard-skills {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.ielts-skill-card {
    padding: 20px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.9));
    border: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 18px 55px rgba(15,23,42,.07);
    position: relative;
    overflow: hidden;
}

.ielts-skill-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,.12), rgba(14,165,233,.06), transparent 62%);
    pointer-events: none;
}

.ielts-skill-card > * {
    position: relative;
    z-index: 1;
}

.ielts-skill-card span {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 11px;
    background: rgba(238,242,255,.95);
    border: 1px solid rgba(99,102,241,.14);
    color: #3730a3;
    font-size: 12px;
    font-weight: 850;
}

.ielts-skill-card strong {
    display: block;
    margin: 14px 0 6px;
    font-size: clamp(40px, 7vw, 68px);
    line-height: .95;
    letter-spacing: -0.07em;
    color: #0f172a;
}

.ielts-skill-card p {
    margin: 0;
    color: #475569;
    font-weight: 650;
}

.ielts-dashboard-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.ielts-dashboard-card-head h3 {
    margin: 0 0 4px;
    font-size: clamp(22px, 3vw, 30px);
    letter-spacing: -0.04em;
}

.ielts-dashboard-card-head p {
    margin: 0;
    color: #64748b;
}

.ielts-dashboard-tabs {
    display: inline-flex;
    gap: 6px;
    padding: 6px;
    border-radius: 999px;
    background: rgba(241,245,249,.9);
    border: 1px solid rgba(15,23,42,.08);
    flex-wrap: wrap;
}

.ielts-dashboard-tabs a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 7px 13px;
    border-radius: 999px;
    text-decoration: none !important;
    color: #475569 !important;
    font-weight: 800;
    transition: background .15s ease, color .15s ease, box-shadow .15s ease;
}

.ielts-dashboard-tabs a.active,
.ielts-dashboard-tabs a:hover {
    background: #111827;
    color: #fff !important;
    box-shadow: 0 10px 22px rgba(15,23,42,.16);
}

.ielts-history-list.enhanced {
    display: grid;
    gap: 12px;
}

.ielts-history-item.enhanced {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: 22px;
    background: rgba(248,250,252,.86);
    border: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 10px 26px rgba(15,23,42,.045);
}

.ielts-history-item.enhanced > div:first-child strong {
    display: block;
    color: #0f172a;
    font-size: 16px;
}

.ielts-history-item.enhanced span {
    display: block;
    margin-top: 5px;
    color: #64748b;
    font-size: 13px;
}

.ielts-history-score {
    min-width: 220px;
    text-align: right;
}

.ielts-history-score strong {
    display: block;
    font-size: 26px;
    line-height: 1;
    letter-spacing: -0.05em;
    color: #0f172a;
}

.ielts-history-score span {
    font-weight: 650;
}

@media (max-width: 920px) {
    .ielts-dashboard-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ielts-dashboard-card-head {
        display: grid;
    }
}

@media (max-width: 640px) {
    .ielts-dashboard-stats,
    .ielts-dashboard-skills {
        grid-template-columns: 1fr;
    }

    .ielts-history-item.enhanced {
        display: grid;
    }

    .ielts-history-score {
        min-width: 0;
        text-align: left;
    }

    .ielts-dashboard-tabs {
        width: 100%;
    }

    .ielts-dashboard-tabs a {
        flex: 1 1 auto;
    }
}

/* Step 6 - LMS Core frontend */
.ielts-lms-courses .ielts-ps-card h3,
.ielts-my-courses .ielts-ps-test-card h4 {
    margin: 10px 0 8px;
    font-size: clamp(20px, 3vw, 28px);
    letter-spacing: -0.04em;
}

.ielts-my-courses .ielts-ps-test-card {
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.9));
    box-shadow: 0 14px 45px rgba(15,23,42,.07);
}

/* Step 7 - Teacher Dashboard */
.ielts-teacher-dashboard .ielts-teacher-hero,
.ieltshcm-teacher-dashboard-admin .ielts-teacher-hero {
    display: grid;
    gap: 6px;
}

.ielts-teacher-stats {
    margin: 16px 0;
}

.ielts-teacher-card {
    margin-top: 16px;
    overflow-x: auto;
}

.ielts-teacher-card h3 {
    margin-top: 0;
    font-size: clamp(22px, 3vw, 30px);
    letter-spacing: -0.04em;
}

.ielts-teacher-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 760px;
}

.ielts-teacher-table th,
.ielts-teacher-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(15,23,42,.08);
    text-align: left;
    vertical-align: top;
}

.ielts-teacher-table th {
    color: #475569;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.ielts-teacher-table small {
    color: #64748b;
}

.ielts-teacher-dashboard .ieltshcm-ps-lms-filter,
.ieltshcm-teacher-dashboard-admin .ieltshcm-ps-lms-filter {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.ielts-teacher-dashboard .ieltshcm-ps-lms-filter select,
.ieltshcm-teacher-dashboard-admin .ieltshcm-ps-lms-filter select {
    min-height: 42px;
    border-radius: 14px;
    padding: 7px 12px;
}

@media (max-width: 640px) {
    .ielts-teacher-dashboard .ieltshcm-ps-lms-filter,
    .ieltshcm-teacher-dashboard-admin .ieltshcm-ps-lms-filter {
        display: grid;
    }
}

/* Step 8 - Student registration and My Learning */
.ielts-register-wrap .ielts-student-register-form {
    max-width: 980px;
    margin: 0 auto;
}
.ielts-ps-form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.ielts-ps-form-grid label,
.ielts-student-register-form label {
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-weight: 700;
    color: #0f172a;
}
.ielts-student-register-form input,
.ielts-student-register-form textarea {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, .35);
    border-radius: 16px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, .9);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6);
}
.ielts-student-register-form textarea {
    min-height: 96px;
}
.ielts-ps-success {
    border-color: rgba(34, 197, 94, .3);
    background: rgba(240, 253, 244, .9);
}
.ielts-ps-error {
    border-color: rgba(239, 68, 68, .3);
    background: rgba(254, 242, 242, .9);
}
.ielts-learning-card .ielts-dashboard-stats > div {
    border-radius: 22px;
    padding: 16px;
    background: rgba(248, 250, 252, .95);
    border: 1px solid rgba(148, 163, 184, .2);
}
.ielts-learning-card .ielts-dashboard-stats strong {
    display: block;
    font-size: 26px;
    color: #0f172a;
}
.ielts-learning-card .ielts-dashboard-stats span {
    display: block;
    color: #64748b;
    font-size: 13px;
    margin-top: 4px;
}
.ielts-ps-progress {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: rgba(226, 232, 240, .9);
    overflow: hidden;
    margin: 14px 0 16px;
}
.ielts-ps-progress span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #0ea5e9, #2563eb);
}
@media (max-width: 860px) {
    .ielts-ps-form-grid {
        grid-template-columns: 1fr;
    }
}

/* Ver1.8 Placement Test Workflow */
.ielts-placement-wrap .ielts-ps-hero { margin-bottom: 18px; }
.ielts-placement-wrap .ielts-ps-card { min-height: 160px; }
.ielts-placement-wrap .ielts-ps-btn { display:inline-flex; align-items:center; justify-content:center; padding:12px 18px; border-radius:999px; background:#0f172a; color:#fff; text-decoration:none; font-weight:800; margin-top:10px; }
.ielts-placement-wrap .ielts-ps-btn:hover { color:#fff; opacity:.9; }

/* Ver1.9 - Integrated Mock Test */
.ielts-mock-shell{background:#f5f7fb;border-radius:28px;overflow:hidden;border:1px solid #e5eaf5;box-shadow:0 24px 80px rgba(15,23,42,.10);--ielts-test-font-size:16px;color:#0f172a}
.ielts-mock-titlebar{text-align:center;padding:28px 18px 18px;background:linear-gradient(180deg,#fff,#f8fbff)}
.ielts-mock-titlebar h1{font-size:clamp(30px,4vw,54px);line-height:1.05;margin:0 0 10px;font-weight:900;letter-spacing:-.04em}.ielts-mock-titlebar p{margin:0;color:#64748b;font-size:16px}
.ielts-mock-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border-top:1px solid #e5eaf5;border-bottom:1px solid #e5eaf5;padding:12px 20px;position:sticky;top:0;z-index:20}.ielts-mock-test-meta strong{display:block;font-size:17px}.ielts-mock-test-meta span{display:block;color:#64748b;font-size:13px;margin-top:5px}.ielts-mock-tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}.ielts-mock-autosave{background:#f1f5f9;border:1px solid #dbe3ef;color:#475569;border-radius:999px;padding:10px 14px;font-weight:800;font-size:13px}.ielts-mock-count{background:#dcfce7;border:1px solid #86efac;color:#047857;border-radius:999px;padding:12px 16px;font-size:17px;white-space:nowrap}.ielts-mock-studentbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 20px;background:#f8fafc;border-bottom:1px solid #e5eaf5}.ielts-mock-studentbar strong{color:#334155}.ielts-mock-studentbar span{background:#eff6ff;border-radius:999px;padding:8px 12px;font-weight:800;color:#1d4ed8}.ielts-mock-tabs{display:flex;gap:10px;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #e5eaf5;overflow-x:auto}.ielts-mock-tabs button{border:1px solid #dbe3ef;border-radius:999px;background:#fff;padding:11px 16px;font-weight:900;cursor:pointer;white-space:nowrap}.ielts-mock-tabs button.is-active{background:#0f7df4;color:#fff;border-color:#0b111f;box-shadow:0 8px 20px rgba(15,125,244,.22)}.ielts-mock-panel{display:none;background:#fff}.ielts-mock-panel.is-active{display:block}.ielts-mock-section-head{padding:20px 22px;border-bottom:1px solid #e5eaf5}.ielts-mock-section-head h2{margin:0 0 10px;font-size:24px}.ielts-mock-section-head p{margin:0;color:#475569;font-size:16px}.ielts-mock-reading-layout{border:0;border-radius:0;min-height:640px}.ielts-mock-listening-layout{padding:18px}.ielts-mock-writing-layout,.ielts-mock-speaking-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:0;min-height:560px}.ielts-mock-prompt-pane{background:#fff;border-right:1px solid #e5eaf5;padding:0}.ielts-mock-answer-pane{background:#f8fafc;padding:28px}.ielts-mock-prompt-card{margin:28px;border:1px solid #e2e8f0;border-radius:18px;background:#fff;padding:24px;line-height:1.65;font-size:calc(var(--ielts-test-font-size) + 2px);box-shadow:0 10px 30px rgba(15,23,42,.06)}.ielts-mock-answer-pane h3{margin:0 0 14px;font-size:18px}.ielts-mock-writing-input,.ielts-mock-speaking-input{width:100%;border:1px solid #dbe3ef;border-radius:18px;background:#fff;padding:18px;font-size:var(--ielts-test-font-size);line-height:1.7;min-height:300px}.ielts-mock-speaking-input{min-height:220px}.ielts-mock-word-count{text-align:right;margin-top:10px;color:#64748b;font-weight:900}.ielts-mock-check{display:flex;gap:10px;align-items:flex-start;margin-top:14px;color:#334155;font-weight:700}.ielts-mock-submit-bar{position:sticky;bottom:0;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-top:1px solid #e5eaf5}.ielts-mock-result{margin:18px;background:#ecfdf5;border:1px solid #bbf7d0;border-radius:22px;padding:22px}.ielts-mock-result h3{margin:10px 0;font-size:26px}.ielts-mock-result p{color:#475569}.ielts-mock-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}.ielts-mock-result-grid>div{background:#fff;border:1px solid #dbe3ef;border-radius:16px;padding:16px}.ielts-mock-result-grid span{display:block;text-transform:uppercase;font-weight:900;color:#64748b;font-size:12px}.ielts-mock-result-grid strong{display:block;margin-top:8px;font-size:18px}.ielts-mock-result-grid small{display:block;margin-top:7px;color:#64748b}.ielts-mock-after-submit{margin:18px;background:#fff;border:1px solid #dbe3ef;border-radius:22px;padding:26px}.ielts-mock-after-submit h3{margin-top:0}.ielts-mock-form .ielts-question-card,.ielts-mock-form .ielts-reading-passage-content,.ielts-mock-form .ielts-listening-instruction{font-size:var(--ielts-test-font-size)}
@media(max-width:900px){.ielts-mock-topbar{position:relative;align-items:flex-start;flex-direction:column}.ielts-mock-tools{justify-content:flex-start}.ielts-mock-writing-layout,.ielts-mock-speaking-layout{grid-template-columns:1fr}.ielts-mock-prompt-pane{border-right:0;border-bottom:1px solid #e5eaf5}.ielts-mock-result-grid{grid-template-columns:1fr 1fr}.ielts-mock-titlebar{text-align:left}.ielts-mock-studentbar span{border-radius:14px}.ielts-mock-count{font-size:14px}.ielts-mock-autosave{font-size:12px}}
@media(max-width:560px){.ielts-mock-shell{border-radius:18px}.ielts-mock-result-grid{grid-template-columns:1fr}.ielts-mock-tabs{padding:10px}.ielts-mock-tabs button{padding:10px 12px}.ielts-mock-answer-pane{padding:18px}.ielts-mock-prompt-card{margin:18px;padding:18px}.ielts-mock-studentbar{padding:12px}.ielts-mock-topbar{padding:12px}.ielts-mock-titlebar h1{font-size:32px}}

/* Ver1.13 - Placement test UX fixes */
.ielts-mock-listening-clean{padding:20px;background:#f8fafc}
.ielts-mock-listening-section{display:grid;grid-template-columns:minmax(300px,.58fr) minmax(420px,1fr);gap:18px;align-items:start;background:#fff;border:1px solid #e2e8f0;border-radius:24px;padding:18px;box-shadow:0 16px 45px rgba(15,23,42,.06)}
.ielts-mock-listening-media{display:grid;gap:12px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:22px;padding:16px;position:sticky;top:90px;max-height:calc(100vh - 120px);overflow:auto}
.ielts-mock-listening-media audio{width:100%}
.ielts-mock-listening-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ielts-mock-listening-questions{min-height:280px;padding:6px 2px}
.ielts-mock-listening-questions h3{margin:0 0 14px;font-size:22px}
.ielts-mock-listening-questions .ielts-question-card{background:#f8fafc;border-color:#dbe3ef}
.ielts-mock-prompt-card strong{display:block;font-weight:800}
.ielts-speaking-recorder{background:#fff;border:1px solid #dbe3ef;border-radius:18px;padding:16px;box-shadow:0 10px 25px rgba(15,23,42,.05)}
.ielts-speaking-recorder-note{margin:0 0 12px;color:#475569;line-height:1.55}
.ielts-speaking-recorder-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.ielts-speaking-status{font-weight:900;color:#334155;background:#f1f5f9;border-radius:999px;padding:8px 12px}
.ielts-speaking-playback{width:100%;margin-top:10px}
@media(max-width:900px){.ielts-mock-listening-section{grid-template-columns:1fr}.ielts-mock-listening-media{position:relative;top:auto;max-height:none}}

/* Ver1.17 - General English Placement 45 */
.ielts-general45-shell .ielts-mock-titlebar{background:linear-gradient(135deg,#f8fbff,#eef6ff)}.ielts-general45-single-pane{max-width:980px;margin:0 auto;padding:24px}.ielts-general45-single-pane .ielts-question-card{margin-bottom:18px}.ielts-general45-form .ielts-mock-tabs button{white-space:nowrap}.ielts-general45-shell .ielts-mock-result-card{border:1px solid #d8f3dc;background:#f0fff4;border-radius:24px;padding:22px;margin:18px 0}.ielts-general45-shell .ielts-mock-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.ielts-general45-shell .ielts-mock-result-grid>div{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:14px}.ielts-general45-shell .ielts-mock-result-grid span{display:block;color:#64748b;font-weight:700;margin-bottom:8px}.ielts-general45-shell .ielts-mock-result-grid strong{font-size:18px;color:#0f172a}@media(max-width:900px){.ielts-general45-shell .ielts-mock-result-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.ielts-general45-shell .ielts-mock-result-grid{grid-template-columns:1fr}.ielts-general45-single-pane{padding:14px}}