.container_personal {
    width: 100%;
    box-sizing: border-box;
    padding: 1.5rem clamp(1rem, 3.5vw, 2.25rem) 10rem;
}

.progress-page {
    width: min(1080px, 100%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.progress-section h2 {
    margin: 0 0 0.75rem;
    font-size: 2rem;
}

.empty-state {
    margin: 0;
    color: var(--mg-app-muted, #5a6170);
}

.card,
.stats-card {
    background-color: #fff;
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(26, 26, 46, 0.07), 0 2px 8px rgba(26, 26, 46, 0.04);
    overflow: hidden;
    margin-bottom: 1rem;
}

.card-header {
    padding: 0.85rem 1.15rem;
    background: linear-gradient(180deg, rgba(46, 46, 78, 0.1) 0%, rgba(245, 240, 232, 0.55) 100%);
    border-bottom: 1px solid rgba(200, 169, 74, 0.28);
    font-weight: 700;
}

.card-header span {
    color: #2e3240;
}

.card-body {
    padding: 1.1rem 1.15rem 1.2rem;
}

.card-title {
    margin: 0 0 0.6rem;
    font-size: 1rem;
}

.progress {
    height: 1.2rem;
    background-color: rgba(26, 26, 46, 0.08);
    border-radius: 999px;
    overflow: hidden;
    margin: 0 0 1rem;
}

.progress-bar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.76rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(90deg, #4a7c59 0%, #5a9268 100%);
    transition: width 0.4s ease;
}

.exercise-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.exercise-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid #ececec;
}

.exercise-list li:last-child {
    border-bottom: none;
}

.exercise-list a {
    text-decoration: none;
    color: #2e3240;
    font-weight: 600;
}

.exercise-list a:hover {
    color: #4a7c59;
}

.state {
    flex-shrink: 0;
}

.stats-card {
    padding: 1rem 1rem 1.1rem;
}

.stats-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
}

.stats-toolbar label {
    font-weight: 700;
    margin-right: 0.1rem;
}

.stats-toolbar select,
.stats-toolbar input[type="date"] {
    border: 1px solid #d2d2d2;
    border-radius: 8px;
    padding: 0.4rem 0.55rem;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: #fff;
}

.chart-wrap {
    background-color: #fafafa;
    border: 1px solid #ececec;
    border-radius: 10px;
    padding: 0.75rem;
}

#timeChart {
    width: 100% !important;
    height: auto !important;
    max-height: 420px;
}

.stats-result {
    margin-top: 0.85rem;
    display: grid;
    gap: 0.5rem;
    /* Festes 2-Spalten-Raster: auto-fit + minmax erzeugt in Edge oft Subpixel-Zitter bei der letzten Zeile */
    grid-template-columns: repeat(2, minmax(0, 1fr));
    contain: layout;
}

.stats-result p {
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    background-color: #f9f9f9;
    border: 1px solid #ededed;
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
}

.stats-result p strong {
    color: #2b2b2b;
}

@media (max-width: 768px) {
    .container_personal {
        padding: 1rem 0.9rem 9.5rem;
    }

    .progress-section h2 {
        font-size: 1.6rem;
    }
}

/* Schmale Telefone: eine Spalte lesbarer als zwei gequetschte Kacheln */
@media (max-width: 420px) {
    .stats-result {
        grid-template-columns: 1fr;
    }
}

/* -------------------------------------------------------------------------- */
/* Lehrer*innen: Schülerfortschritt (teacher_students_progress.php)          */
/* -------------------------------------------------------------------------- */

.page-teacher-progress .progress-teacher-shell {
    max-width: 760px;
    margin: 0 auto;
    padding-top: 0.5rem;
}

.page-teacher-progress .progress-teacher-page {
    gap: 1.75rem;
}

.page-teacher-progress .progress-teacher-class-block {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.page-teacher-progress .progress-teacher-class-block + .progress-teacher-class-block {
    margin-top: 1.75rem;
}

.page-teacher-progress .progress-teacher-section > .empty-state {
    margin-top: 0.35rem;
    padding: 1rem 1.1rem;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: 12px;
    line-height: 1.5;
}

.page-teacher-progress .progress-teacher-hero {
    width: 100%;
    box-sizing: border-box;
    margin: 0 0 0.25rem;
}

.page-teacher-progress .progress-teacher-hero__inner {
    padding: 1.45rem 1.35rem 1.35rem;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(26, 26, 46, 0.1);
    border-radius: 14px;
    box-shadow: 0 10px 36px rgba(26, 26, 46, 0.08);
}

.page-teacher-progress .progress-teacher-hero__eyebrow {
    margin: 0 0 0.4rem;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: rgba(200, 169, 74, 0.95);
}

.page-teacher-progress .progress-teacher-hero__title,
.page-teacher-progress .progress-teacher-hero__inner h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.45rem, 3.2vw, 1.95rem);
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.02em;
}

.page-teacher-progress .progress-teacher-hero__lead {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #5a6170;
}

.page-teacher-progress .card--teacher-class {
    margin-bottom: 0;
    border-radius: 14px;
    box-shadow: 0 10px 32px rgba(26, 26, 46, 0.08), 0 2px 10px rgba(26, 26, 46, 0.04);
}

.page-teacher-progress .card-header--teacher {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 0.85rem;
    padding: 0.9rem 1.2rem;
    background: rgba(245, 240, 232, 0.92);
    border-bottom: 1px solid rgba(200, 169, 74, 0.35);
    background-image: none;
}

.page-teacher-progress .card-header__label {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(26, 26, 46, 0.5);
}

.page-teacher-progress .card-header__name {
    flex: 1 1 auto;
    font-size: clamp(1.1rem, 2.4vw, 1.35rem);
    font-weight: 700;
    color: #1a1a2e;
}

.page-teacher-progress .card-body--teacher {
    padding: 1.2rem 1.2rem 1.35rem;
}

.page-teacher-progress .teacher-class-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.page-teacher-progress .teacher-class-stats--viz {
    margin: 0 0 1rem;
}

.page-teacher-progress .teacher-class-stats--center {
    grid-template-columns: repeat(2, minmax(0, 10rem));
    justify-content: center;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 560px) {
    .page-teacher-progress .teacher-class-stats,
    .page-teacher-progress .teacher-class-stats--center {
        grid-template-columns: 1fr;
        max-width: none;
    }
}

.page-teacher-progress .teacher-class-stat {
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    background: #f4f5f8;
    border: 1px solid rgba(26, 26, 46, 0.06);
    text-align: center;
}

.page-teacher-progress .teacher-class-stat__label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #5a6170;
    margin-bottom: 0.25rem;
}

.page-teacher-progress .teacher-class-stat__value {
    font-size: 1.35rem;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.2;
}

.page-teacher-progress .teacher-assignment-active-section {
    margin: 0 0 1rem;
}

.page-teacher-progress .teacher-assignment-active-empty {
    margin: 0.25rem 0 0.5rem;
    padding: 0.75rem 0.85rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    border: 1px dashed rgba(26, 26, 46, 0.12);
}

.page-teacher-progress .teacher-assignment-archive-section {
    margin-top: 0.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(26, 26, 46, 0.08);
}

.page-teacher-progress .teacher-assignment-archive-heading {
    margin: 0 0 0.75rem;
    font-size: clamp(1.15rem, 2.4vw, 1.35rem);
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.2;
}

.page-teacher-progress .teacher-assignment-archive-section .assignment-range-row,
.page-teacher-progress .teacher-assignment-archive-section .assignment-range-custom {
    margin-bottom: 0;
}

.page-teacher-progress .teacher-assignment-archive-section .assignment-archive-list {
    margin-top: 0.85rem;
}

.page-teacher-progress .competency-3d-section {
    margin: 0;
}

.page-teacher-progress .teacher-assignment-details {
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: 10px;
    margin-top: 0.65rem;
    background: #fafbfc;
    overflow: hidden;
}

.page-teacher-progress .teacher-assignment-details:first-of-type {
    margin-top: 0.25rem;
}

.page-teacher-progress .teacher-assignment-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.65rem 1rem;
    padding: 0.75rem 0.85rem;
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    color: #1a1a2e;
}

.page-teacher-progress .teacher-assignment-summary::-webkit-details-marker {
    display: none;
}

.page-teacher-progress .teacher-assignment-summary::before {
    content: "";
    flex: 0 0 auto;
    margin-top: 0.38rem;
    border-style: solid;
    border-width: 5px 0 5px 8px;
    border-color: transparent transparent transparent rgba(200, 169, 74, 0.95);
    transition: transform 0.2s ease;
}

.page-teacher-progress .teacher-assignment-details[open] .teacher-assignment-summary::before {
    transform: rotate(90deg);
}

.page-teacher-progress .teacher-assignment-summary__main {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.page-teacher-progress .teacher-assignment-summary__subject {
    font-size: 0.98rem;
}

.page-teacher-progress .teacher-assignment-summary__meta {
    font-size: 0.82rem;
    font-weight: 500;
    color: #5a6170;
    line-height: 1.35;
}

.page-teacher-progress .teacher-assignment-summary__progress-wrap {
    flex: 1 1 100%;
    min-width: 0;
    padding-top: 0.15rem;
}

.page-teacher-progress .teacher-assignment-summary__progress-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #5a6170;
    margin-bottom: 0.35rem;
}

.page-teacher-progress .teacher-assignment-progress {
    height: 1.35rem;
    border-radius: 8px;
    background: rgba(26, 26, 46, 0.08);
    overflow: hidden;
}

.page-teacher-progress .teacher-assignment-progress .progress-bar {
    height: 100%;
    line-height: 1.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    background: linear-gradient(90deg, rgba(74, 124, 89, 0.92), rgba(45, 90, 58, 0.95));
    color: #fff;
    text-align: center;
    transition: width 0.35s ease;
}

.page-teacher-progress .teacher-student-progress-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.page-teacher-progress .teacher-student-progress-list__item {
    display: grid;
    grid-template-columns: minmax(0, 9rem) 1fr;
    align-items: center;
    gap: 0.65rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(26, 26, 46, 0.06);
}

.page-teacher-progress .teacher-student-progress-list__item:last-child {
    border-bottom: none;
}

.page-teacher-progress .teacher-student-progress-list__name {
    font-size: 0.88rem;
    font-weight: 500;
    color: #232733;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-teacher-progress .teacher-assignment-progress--student {
    height: 1.15rem;
}

.page-teacher-progress .teacher-assignment-progress--student .progress-bar {
    line-height: 1.15rem;
    font-size: 0.72rem;
}

.page-teacher-progress .teacher-assignment-body {
    padding: 0 0.9rem 0.85rem 2.15rem;
    border-top: 1px solid rgba(26, 26, 46, 0.06);
}

.page-teacher-progress .teacher-assignment-body__h {
    margin: 1rem 0 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: #1a1a2e;
}

.page-teacher-progress .teacher-assignment-exercises-details {
    margin: 0.65rem 0 0;
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.page-teacher-progress .teacher-assignment-exercises-summary {
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: #2e3240;
    cursor: pointer;
    list-style: none;
}

.page-teacher-progress .teacher-assignment-exercises-summary::-webkit-details-marker {
    display: none;
}

.page-teacher-progress .teacher-assignment-exercises-summary::before {
    content: "";
    display: inline-block;
    margin-right: 0.45rem;
    border-style: solid;
    border-width: 4px 0 4px 6px;
    border-color: transparent transparent transparent rgba(200, 169, 74, 0.95);
    vertical-align: middle;
    transition: transform 0.2s ease;
}

.page-teacher-progress .teacher-assignment-exercises-details[open] .teacher-assignment-exercises-summary::before {
    transform: rotate(90deg);
}

.page-teacher-progress .teacher-assignment-exercise-list {
    margin: 0;
    padding: 0.35rem 0.75rem 0.65rem 1.35rem;
    border-top: 1px solid rgba(26, 26, 46, 0.06);
}

.page-teacher-progress .teacher-assignment-exercise-list__item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 0.75rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(26, 26, 46, 0.06);
}

.page-teacher-progress .teacher-assignment-exercise-list__item:last-child {
    border-bottom: none;
}

.page-teacher-progress .teacher-assignment-exercise-list__item.is-closed {
    opacity: 0.88;
}

.page-teacher-progress .teacher-assignment-exercise-list__main {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
    flex: 1 1 auto;
}

.page-teacher-progress .teacher-assignment-exercise-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: #2d5a3a;
}

.page-teacher-progress .teacher-assignment-exercise-badge--live {
    color: #5a6170;
}

.page-teacher-progress .teacher-assignment-summary__actions {
    flex: 1 1 100%;
    padding-top: 0.35rem;
}

.page-teacher-progress .teacher-assignment-close-btn {
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(26, 26, 46, 0.14);
    background: #fff;
    color: #1a1a2e;
    cursor: pointer;
    white-space: nowrap;
}

.page-teacher-progress .teacher-assignment-close-btn:hover {
    background: rgba(200, 169, 74, 0.12);
    border-color: rgba(200, 169, 74, 0.45);
}

.page-teacher-progress .teacher-assignment-close-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.page-teacher-progress .teacher-assignment-close-btn--package {
    width: 100%;
    max-width: 14rem;
}

@media (max-width: 768px) {
    .page-teacher-progress .progress-teacher-hero__inner {
        padding: 1.15rem 1rem;
    }

    .page-teacher-progress .teacher-assignment-body {
        padding-left: 1rem;
    }
}

/* -------------------------------------------------------------------------- */
/* Schüler*innen: Fortschritt (progress_student.php)                          */
/* -------------------------------------------------------------------------- */

.page-student-progress .progress-student-shell {
    max-width: 760px;
    margin: 0 auto;
    padding-top: 0.5rem;
}

.page-student-progress .progress-student-page {
    gap: 1.75rem;
}

.page-student-progress .progress-student-hero {
    width: 100%;
    box-sizing: border-box;
    margin: 0;
}

.page-student-progress .progress-student-hero__inner {
    padding: 1.45rem 1.35rem 1.35rem;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(26, 26, 46, 0.1);
    border-radius: 14px;
    box-shadow: 0 10px 36px rgba(26, 26, 46, 0.08);
}

.page-student-progress .progress-student-hero__eyebrow {
    margin: 0 0 0.4rem;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: rgba(200, 169, 74, 0.95);
}

.page-student-progress .progress-student-hero__title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.45rem, 3.2vw, 1.95rem);
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-student-progress .progress-student-hero__lead {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #5a6170;
}

.page-student-progress .progress-student-chapters,
.page-student-progress .progress-student-stats {
    margin: 0;
}

.page-student-progress .progress-student-empty {
    margin: 0;
    padding: 1rem 1.15rem;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: 12px;
    line-height: 1.5;
}

.page-student-progress .progress-student-chapter-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.page-student-progress .progress-student-chapter-tree {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.85rem;
}

.page-student-progress .progress-student-overall {
    margin-bottom: 0;
    box-shadow: 0 10px 28px rgba(26, 26, 46, 0.07), 0 2px 8px rgba(26, 26, 46, 0.04);
}

.page-student-progress .progress-student-branch {
    margin: 0;
    padding: 0;
    border-radius: 14px;
    border: 1px solid rgba(26, 26, 46, 0.08);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 32px rgba(26, 26, 46, 0.06), 0 2px 10px rgba(26, 26, 46, 0.03);
    overflow: hidden;
}

.page-student-progress .progress-student-branch__summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.95rem 1.1rem;
    cursor: pointer;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: rgba(245, 240, 232, 0.55);
    border-bottom: 1px solid rgba(200, 169, 74, 0.25);
    user-select: none;
}

.page-student-progress .progress-student-branch__summary::-webkit-details-marker {
    display: none;
}

.page-student-progress .progress-student-branch__summary-main {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    flex: 1 1 auto;
}

.page-student-progress .progress-student-branch__chevron {
    display: inline-block;
    width: 0.45rem;
    height: 0.45rem;
    border-right: 2px solid rgba(26, 26, 46, 0.45);
    border-bottom: 2px solid rgba(26, 26, 46, 0.45);
    transform: rotate(-45deg);
    flex-shrink: 0;
    margin-top: 0.1rem;
    transition: transform 0.2s ease;
}

.page-student-progress .progress-student-branch[open] .progress-student-branch__chevron {
    transform: rotate(45deg);
    margin-top: 0.2rem;
}

.page-student-progress .progress-student-branch__label {
    font-size: clamp(1.02rem, 2.2vw, 1.2rem);
    font-weight: 700;
    color: #1a1a2e;
    min-width: 0;
    word-break: break-word;
}

.page-student-progress .progress-student-branch__badge {
    flex-shrink: 0;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(26, 26, 46, 0.45);
    border: 1px solid rgba(26, 26, 46, 0.12);
    border-radius: 999px;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.6);
}

.page-student-progress .progress-student-branch__summary-stats {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.page-student-progress .progress-student-branch__fraction {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2e3240;
}

.page-student-progress .progress-student-branch__pct {
    font-size: 0.85rem;
    font-weight: 700;
    color: #2d5a3a;
}

.page-student-progress .progress-student-branch__bar {
    margin: 0 1.1rem 0.65rem;
    height: 0.45rem;
    border-radius: 999px;
}

.page-student-progress .progress-student-branch__bar .progress-bar {
    font-size: 0;
}

.page-student-progress .progress-student-chapter-list--nested {
    padding: 0 0.75rem 1rem 0.75rem;
    gap: 0.75rem;
}

.page-student-progress .card--student-chapter {
    margin-bottom: 0;
    border-radius: 14px;
    box-shadow: 0 10px 32px rgba(26, 26, 46, 0.08), 0 2px 10px rgba(26, 26, 46, 0.04);
}

.page-student-progress .card-header--student {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 0.85rem;
    padding: 0.9rem 1.2rem;
    background: rgba(245, 240, 232, 0.92);
    border-bottom: 1px solid rgba(200, 169, 74, 0.35);
    background-image: none;
}

.page-student-progress .card-header--student .card-header__label {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(26, 26, 46, 0.5);
}

.page-student-progress .card-header--student .card-header__name {
    flex: 1 1 auto;
    font-size: clamp(1.02rem, 2.2vw, 1.22rem);
    font-weight: 700;
    color: #1a1a2e;
}

.page-student-progress .card-body--student-chapter {
    padding: 1.05rem 1.2rem 1.2rem;
}

.page-student-progress .student-chapter-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
    font-size: 0.88rem;
    color: #5a6170;
}

.page-student-progress .student-chapter-meta__pct {
    font-weight: 700;
    color: #2d5a3a;
    font-variant-numeric: tabular-nums;
}

.page-student-progress .student-chapter-progress {
    height: 1.35rem;
    margin-bottom: 0;
    background-color: rgba(26, 26, 46, 0.08);
}

.page-student-progress .student-chapter-progress .progress-bar {
    font-size: 0.72rem;
    min-width: 2.25rem;
}

.page-student-progress .stats-card--student {
    padding: 0;
    overflow: hidden;
    border-radius: 14px;
    box-shadow: 0 10px 32px rgba(26, 26, 46, 0.08), 0 2px 10px rgba(26, 26, 46, 0.04);
}

.page-student-progress .stats-toolbar--student {
    padding: 1rem 1.15rem 0.85rem;
    margin-bottom: 0;
    border-bottom: 1px solid rgba(26, 26, 46, 0.06);
    background: rgba(255, 255, 255, 0.6);
}

.page-student-progress .stats-toolbar--student label {
    color: #2e3240;
}

.page-student-progress .stats-toolbar--student select,
.page-student-progress .stats-toolbar--student input[type="date"] {
    border: 1px solid rgba(26, 26, 46, 0.12);
    border-radius: 8px;
    padding: 0.45rem 0.65rem;
    background: #fff;
}

.page-student-progress .chart-wrap--student {
    margin: 0 1rem 1rem;
    background: #f8f9fb;
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-radius: 12px;
    /* Feste Höhe: Chart.js + globales `#timeChart { height: auto !important }` sonst Resize-Feedback in Edge */
    box-sizing: border-box;
    height: 340px;
    position: relative;
    overflow: hidden;
}

.page-student-progress .chart-wrap--student #timeChart {
    width: 100% !important;
    height: 100% !important;
    max-height: none !important;
}

.page-student-progress .stats-result--student {
    margin: 0;
    padding: 0 1rem 1.1rem;
    gap: 0.55rem;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
}

.page-student-progress .stats-result--student p {
    flex: 1 1 calc((100% - 0.55rem) / 2);
    max-width: calc((100% - 0.55rem) / 2);
    box-sizing: border-box;
    background: #f4f5f8;
    border: 1px solid rgba(26, 26, 46, 0.07);
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    min-width: 0;
}

.page-student-progress .stats-result--student p span {
    color: #5a6170;
    font-size: 0.88rem;
}

.page-student-progress .stats-result--student p strong {
    color: #1a1a2e;
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 768px) {
    .page-student-progress .progress-student-hero__inner {
        padding: 1.15rem 1rem;
    }

    .page-student-progress .chart-wrap--student {
        margin-left: 0.65rem;
        margin-right: 0.65rem;
    }

    .page-student-progress .stats-result--student {
        padding-left: 0.65rem;
        padding-right: 0.65rem;
    }
}

@media (max-width: 420px) {
    .page-student-progress .stats-result--student p {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

/* ——— Schüler: Gestellte Aufgaben (student_assignments.php) ——— */

.page-student-progress .assignment-active-section,
.page-teacher-progress .teacher-assignment-active-section {
    margin-bottom: 0;
}

.page-student-progress .assignment-archive-title,
.page-teacher-progress .assignment-archive-title {
    margin: 0 0 0.35rem;
    font-size: clamp(1.55rem, 3.2vw, 2rem);
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-student-progress .assignment-block {
    margin-bottom: 1rem;
    text-align: left;
}

.page-student-progress .assignment-block > summary {
    list-style: none;
    cursor: pointer;
}

.page-student-progress .assignment-block > summary::-webkit-details-marker {
    display: none;
}

.page-student-progress .assignment-block__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(26, 26, 46, 0.06);
    border-radius: 10px 10px 0 0;
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-bottom: none;
}

.page-student-progress .assignment-block:not([open]) .assignment-block__summary {
    border-radius: 10px;
    border-bottom: 1px solid rgba(26, 26, 46, 0.08);
}

.page-student-progress .assignment-block__summary-main {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    min-width: 0;
}

.page-student-progress .assignment-block__due {
    font-size: 0.82rem;
    font-weight: 600;
    color: #5a6170;
}

.page-student-progress .assignment-block__subject {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a2e;
}

.page-student-progress .assignment-block__chev {
    flex: 0 0 auto;
    width: 0.55rem;
    height: 0.55rem;
    border-right: 2px solid rgba(26, 26, 46, 0.45);
    border-bottom: 2px solid rgba(26, 26, 46, 0.45);
    transform: rotate(45deg);
    margin-bottom: 0.2rem;
    transition: transform 0.2s ease;
}

.page-student-progress .assignment-block[open] .assignment-block__chev {
    transform: rotate(225deg);
    margin-top: 0.25rem;
    margin-bottom: 0;
}

.page-student-progress .assignment-block .card-body {
    border-radius: 0 0 10px 10px;
    border: 1px solid rgba(26, 26, 46, 0.08);
    border-top: none;
}

.page-student-progress .assignment-block__h {
    margin-top: 0.75rem;
    margin-bottom: 0.35rem;
    font-size: 0.95rem;
}

.page-student-progress .assignment-block__h:first-child {
    margin-top: 0;
}

.page-student-progress .assignment-archive-card__body,
.page-teacher-progress .assignment-archive-card__body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.page-student-progress .assignment-range-row,
.page-teacher-progress .assignment-range-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
}

.page-student-progress .assignment-range-label,
.page-teacher-progress .assignment-range-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
    white-space: nowrap;
}

.page-student-progress .assignment-range-row__actions,
.page-teacher-progress .assignment-range-row__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.page-student-progress .assignment-range-btn,
.page-student-progress .assignment-range-apply,
.page-teacher-progress .assignment-range-btn,
.page-teacher-progress .assignment-range-apply {
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.45rem 0.85rem;
    border-radius: 8px;
    border: 1px solid rgba(26, 26, 46, 0.12);
    background: rgba(255, 255, 255, 0.95);
    color: #1a1a2e;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.page-student-progress .assignment-range-btn:hover,
.page-student-progress .assignment-range-apply:hover,
.page-teacher-progress .assignment-range-btn:hover,
.page-teacher-progress .assignment-range-apply:hover {
    background: rgba(200, 169, 74, 0.12);
    border-color: rgba(200, 169, 74, 0.45);
}

.page-student-progress .assignment-range-custom,
.page-teacher-progress .assignment-range-custom {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    align-items: flex-end;
}

.page-student-progress .assignment-range-custom label,
.page-teacher-progress .assignment-range-custom label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #3d4450;
}

.page-student-progress .assignment-range-custom input[type="date"],
.page-teacher-progress .assignment-range-custom input[type="date"] {
    font-family: inherit;
    font-size: 0.88rem;
    padding: 0.4rem 0.5rem;
    border-radius: 8px;
    border: 1px solid rgba(26, 26, 46, 0.12);
    min-height: 2.25rem;
}

.page-student-progress .assignment-archive-list,
.page-teacher-progress .assignment-archive-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.page-student-progress .assignment-archive-empty,
.page-teacher-progress .assignment-archive-empty {
    margin: 0;
}

/* ——— Kompetenz-3D (Schüler + Lehrperson, partial competency_3d_embed.php) ——— */

.page-student-progress .competency-3d-section,
.page-teacher-progress .competency-3d-section {
    margin: 0 0 1.5rem;
}

.page-student-progress .competency-3d-card__body,
.page-teacher-progress .competency-3d-card__body {
    padding-top: 1rem;
}

.page-student-progress .competency-3d-card__head,
.page-teacher-progress .competency-3d-card__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.35rem 0.85rem;
    margin: 0 0 0.85rem;
}

.page-student-progress .competency-3d-card__title,
.page-teacher-progress .competency-3d-card__title {
    margin: 0;
    font-size: clamp(1.2rem, 2.4vw, 1.45rem);
    font-weight: 700;
    color: #1a1a2e;
}

.page-student-progress .competency-3d-model-link,
.page-teacher-progress .competency-3d-model-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(26, 26, 46, 0.16);
    color: #1a1a2e;
    font-weight: 700;
    font-size: 0.86rem;
    text-decoration: none;
    cursor: pointer;
}

.page-student-progress .competency-3d-model-link:hover,
.page-teacher-progress .competency-3d-model-link:hover {
    border-color: rgba(200, 169, 74, 0.55);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    text-decoration: none;
}

.page-student-progress .competency-3d-model-link:focus-visible,
.page-teacher-progress .competency-3d-model-link:focus-visible {
    outline: 2px solid rgba(200, 169, 74, 0.85);
    outline-offset: 2px;
}

.page-teacher-progress .topic-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1rem;
    margin: 0 0 1rem;
}

.page-teacher-progress .topic-presets__label {
    font-weight: 700;
    font-size: 0.88rem;
    color: #2e3240;
}

.page-teacher-progress .topic-presets__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.page-teacher-progress .topic-preset-btn {
    border: 1px solid rgba(26, 26, 46, 0.14);
    background: rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    padding: 0.45rem 1rem;
    font-weight: 600;
    font-size: 0.88rem;
    color: #1a1a2e;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.page-teacher-progress .topic-preset-btn:hover {
    border-color: rgba(74, 124, 89, 0.45);
    box-shadow: 0 4px 14px rgba(74, 124, 89, 0.12);
}

.page-teacher-progress .topic-preset-btn--active,
.page-teacher-progress .topic-preset-btn[aria-pressed="true"] {
    border-color: rgba(74, 124, 89, 0.65);
    background: rgba(74, 124, 89, 0.14);
}

.page-student-progress .competency-3d-embed,
.page-teacher-progress .competency-3d-embed {
    width: 100%;
}

.page-student-progress .competency-3d-canvas-host,
.page-teacher-progress .competency-3d-canvas-host {
    position: relative;
    width: 100%;
    min-height: min(72vh, 580px);
    height: min(72vh, 580px);
    border-radius: 10px;
    overflow: hidden;
    background: #0f1115;
    border: 1px solid rgba(26, 26, 46, 0.15);
}

.page-student-progress .competency-3d-canvas,
.page-teacher-progress .competency-3d-canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.page-student-progress .competency-3d-pop,
.page-teacher-progress .competency-3d-pop {
    position: fixed;
    z-index: 10080;
    min-width: 220px;
    max-width: min(360px, 94vw);
    background: rgba(22, 26, 36, 0.97);
    border: 1px solid #3d4a62;
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.45;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
    color: #e8eaef;
}

.page-student-progress .competency-3d-pop__head,
.page-teacher-progress .competency-3d-pop__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
}

.page-student-progress .competency-3d-pop__close,
.page-teacher-progress .competency-3d-pop__close {
    flex-shrink: 0;
    border: none;
    background: #2a3344;
    color: #c9d1e0;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.page-student-progress .competency-3d-pop__close:hover,
.page-teacher-progress .competency-3d-pop__close:hover {
    background: #3d4a62;
}

.page-student-progress .competency-3d-pop__coords,
.page-teacher-progress .competency-3d-pop__coords {
    color: #9aa3b5;
    font-size: 12px;
    margin-bottom: 6px;
}

.page-student-progress .competency-3d-pop__count,
.page-teacher-progress .competency-3d-pop__count {
    font-size: 16px;
    font-weight: 600;
    color: #e8eaef;
}

.page-student-progress .competency-3d-pop__extra,
.page-teacher-progress .competency-3d-pop__extra {
    font-size: 12px;
    color: #9aa3b5;
    margin-bottom: 6px;
}

.page-student-progress .competency-3d-pop__list,
.page-teacher-progress .competency-3d-pop__list {
    margin: 8px 0 0;
    padding-left: 18px;
    max-height: 180px;
    overflow-y: auto;
    color: #b8c0d0;
    font-size: 12px;
}

@media (max-width: 720px) {
    .page-student-progress .competency-3d-canvas-host,
    .page-teacher-progress .competency-3d-canvas-host {
        min-height: min(62vh, 420px);
        height: min(62vh, 420px);
    }
}