/*
 * Parcours élève : carte du royaume, lecteur de séance, bilan. Mobile first : téléphone tenu verticalement, d'une main.
 */

.text-size {
    display: inline-flex;
    gap: 0.25rem;
}

.text-size__button {
    min-width: 40px;
    min-height: 40px;
    border: 1px solid rgb(255 255 255 / 0.6);
    border-radius: 8px;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

/* ---------- Carte du royaume ---------- */

.card--highlight {
    border-color: var(--color-primary);
    border-width: 2px;
}

.kingdom-status {
    display: grid;
    gap: 0 var(--gap);
}

.daily-session {
    margin-bottom: var(--gap);
}

.daily-session__button {
    min-height: 64px;
    font-size: 1.25rem;
}

.streak__counters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    margin: 0;
}

.streak__current {
    font-weight: 700;
}

.streak__days {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
    text-align: center;
}

.streak__day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.125rem;
    padding: 0.25rem 0;
    border-radius: 8px;
}

.streak__day-name {
    font-size: 0.875rem;
    color: var(--color-muted);
}

.streak__day-icon {
    font-size: 1.25rem;
    line-height: 1.5rem;
}

.streak__day.is-today {
    outline: 2px dashed var(--color-primary);
}

.streak__message {
    margin: 0;
}

.next-session p {
    margin-top: 0;
    font-weight: 700;
}

.region {
    margin: 1.5rem 0;
}

.region__title {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.25rem 1rem;
    font-size: 1.25rem;
}

.region__count {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-muted);
}

.region__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.building-card {
    height: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.building-card[open] {
    border-color: var(--color-primary);
}

.building-card summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-height: var(--touch-target);
    padding: 0.75rem 0.5rem;
    text-align: center;
    cursor: pointer;
    list-style: none;
}

.building-card summary::-webkit-details-marker {
    display: none;
}

.building-card__label {
    font-size: 0.875rem;
    line-height: 1.3;
}

.building-card__state {
    font-size: 0.75rem;
    color: var(--color-muted);
}

.building-card--locked .building-card__label {
    color: var(--color-muted);
}

.building-card__panel {
    padding: 0 0.75rem 0.75rem;
    font-size: 0.9375rem;
}

/* ---------- Lecteur de séance ---------- */

.session-page .app-main {
    max-width: 36rem;
}

/* Discrète : position et barre sur une seule ligne */
.player__progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-muted);
}

.player__progress > span {
    white-space: nowrap;
}

.player__bar {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
    overflow: hidden;
    opacity: 0.8;
}

.player__bar-fill {
    height: 100%;
    width: 0;
    background: var(--color-primary);
    transition: width 0.3s;
}

.player__notice {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    background: #fff4d6;
}

.player__statement {
    font-size: 1.25rem;
    line-height: 1.35;
    margin: 0 0 1rem;
    outline: none;
}

.player__hint {
    padding: 0.5rem 0.75rem;
    border-left: 4px solid #f0b429;
    background: #fff9e8;
    border-radius: 6px;
}

.player__interaction {
    margin-bottom: 1rem;
}

/* Collé à gauche et pas en pleine largeur, loin du pouce d'un droitier */
.player__options-button {
    display: flex;
    width: fit-content;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.player__validate {
    font-size: 1.125rem;
}

.player__dock-keys:not(:empty) {
    margin-bottom: 0.75rem;
}

/* Dans un tableau, la case sélectionnée montre déjà ce qui est tapé */
.player__dock .answer-table__keypad .keypad__display {
    display: none;
}

/* Sur téléphone, le pavé et le bouton principal restent collés en bas de l'écran, l'énoncé défile au-dessus */
@media (max-width: 39.99rem) {
    body.session-page {
        display: flex;
        flex-direction: column;
    }

    .session-page .app-main {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding-bottom: 0;
    }

    .player,
    .player__question {
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .player__dock {
        position: sticky;
        bottom: 0;
        z-index: 1;
        margin: auto calc(-1 * var(--gap)) 0;
        padding: 0.5rem var(--gap) calc(0.5rem + env(safe-area-inset-bottom));
        background: var(--color-bg);
        box-shadow: 0 -1px 0 var(--color-border);
    }

    .player__dock-keys:not(:empty) {
        margin-bottom: 0.5rem;
    }

    /* Pavé moins haut, pour laisser de la place à l'énoncé */
    .player__question .keypad__display {
        min-height: var(--touch-target);
        margin-bottom: 0.5rem;
        padding: 0.25rem 1rem;
        font-size: 1.75rem;
    }

    .player__dock .keypad {
        position: relative;
        gap: 0.375rem;
    }

    .player__dock .keypad__key {
        min-height: var(--touch-target);
        font-size: 1.375rem;
    }

    /* Seule sur sa rangée, la touche d'effacement remonte à droite du bouton « Options » : une rangée de moins */
    .player__dock .keypad__key--erase:nth-child(3n + 1):last-child {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 0;
        width: calc((100% - 2 * 0.375rem) / 3);
    }
}

.player__question.is-answered .keypad {
    display: none;
}

.player__question.is-answered .player__interaction {
    pointer-events: none;
}

.player__feedback {
    margin-bottom: 1rem;
    padding: var(--gap);
    border-radius: var(--radius);
    border: 2px solid var(--color-border);
    background: var(--color-surface);
}

.player__feedback[data-result="CORRECT"] {
    border-color: var(--color-success);
}

.player__feedback[data-result="WRONG"],
.player__feedback[data-result="TIMEOUT"] {
    border-color: var(--color-warning);
}

.player__fast-track {
    margin: 0.25rem 0;
    padding: 0.4rem 0.6rem;
    border-radius: 0.5rem;
    background: #fff4cc;
    color: #6b4e00;
    font-weight: 600;
}

.player__feedback-title {
    margin-top: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.player__feedback[data-result="CORRECT"] .player__feedback-title::before { content: "✔ "; }
.player__feedback[data-result="TIMEOUT"] .player__feedback-title::before { content: "⏱ "; }

.player__explanation:empty {
    display: none;
}


.player__dialog {
    max-width: min(32rem, calc(100vw - 2rem));
    border: 0;
    border-radius: var(--radius);
    padding: var(--gap);
}

.player__dialog::backdrop {
    background: rgb(0 0 0 / 0.45);
}

.player__dialog p {
    font-size: 1.125rem;
}

.player__dialog .player__dialog-skill {
    margin-top: -0.25rem;
    font-size: 0.8125rem;
    color: var(--color-muted);
}

.player__dialog-actions {
    display: grid;
    gap: 0.5rem;
}

/* Réponse écrite : seul format qui ouvre le clavier du téléphone */
.text-answer {
    display: block;
    width: 100%;
    min-height: 56px;
    padding: 0.5rem 1rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: inherit;
    font: inherit;
    font-size: 1.25rem;
}

/* Clavier intégré : grandes touches, jamais le clavier natif */
.keypad__display {
    display: block;
    min-height: 56px;
    margin-bottom: 0.75rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-surface);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.keypad__display.is-empty {
    color: var(--color-muted);
}

.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.keypad__key {
    min-height: 56px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 1.5rem;
    font-weight: 600;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
}

.keypad__key:active {
    background: #e3efe9;
}

.keypad__key--extra,
.keypad__key--erase {
    background: #eef1ee;
}

/* Seule sur sa rangée, la touche d'effacement en prend toute la largeur */
.keypad__key--erase:nth-child(3n + 1) {
    grid-column: 1 / -1;
}

/* QCM, vrai ou faux */
.choices {
    display: grid;
    gap: 0.5rem;
}

.choices__option {
    min-height: var(--touch-target);
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 1.125rem;
    text-align: left;
    cursor: pointer;
}

.choices__option[aria-checked="true"] {
    border-color: var(--color-primary);
    background: #e3efe9;
    font-weight: 700;
}

.choices__option[aria-checked="true"]::before {
    content: "● ";
    color: var(--color-primary);
}

/* Ranger des étiquettes : zone de réponse en haut, étiquettes à placer en dessous */
.order-answer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    min-height: calc(var(--touch-target) + 1rem);
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
}

.order-answer__slot {
    min-width: 3.5rem;
    min-height: var(--touch-target);
    border-radius: var(--radius);
    background: var(--color-border);
    opacity: 0.5;
}

.order-answer__separator {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-muted);
}

.order-pool {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.order-tag {
    min-width: 3.5rem;
    min-height: var(--touch-target);
    padding: 0.5rem 0.875rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 1.125rem;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
}

.order-tag--placed {
    border-color: var(--color-primary);
    background: #e3efe9;
}

/* Étiquette déjà placée : sa place reste réservée pour que les autres ne bougent pas */
.order-tag.is-placed {
    visibility: hidden;
}

.order-tag:disabled {
    cursor: default;
}

/* Figures interactives */
.exercise-figure-wrapper {
    display: flex;
    justify-content: center;
    margin: 0.5rem 0 1rem;
}

/* Le doigt posé sur une figure fait défiler la page : seules les figures où l'on fait glisser (droite graduée,
   quadrillages) bloquent le défilement */
.exercise-figure-wrapper svg {
    max-width: 100%;
    height: auto;
}

.number-line {
    touch-action: none;
}

.figure-part.is-interactive,
.figure-shape.is-interactive,
.figure-money.is-interactive,
.figure-segment.is-interactive,
.figure-angle.is-interactive,
.figure-pick.is-interactive,
.figure-vertex.is-interactive {
    cursor: pointer;
}

.figure-part.is-selected,
.figure-shape.is-selected {
    stroke: var(--color-primary);
    stroke-width: 4;
}

.number-line__pointer {
    fill: var(--color-danger);
}

.number-line__guide {
    stroke: var(--color-danger);
    stroke-width: 2;
    stroke-dasharray: 4 3;
}

.number-line__handle {
    fill: var(--color-primary);
    opacity: 0.85;
    cursor: grab;
}

.number-line__marker:not(.is-placed) {
    display: none;
}

/* Réponse corrigée : la poignée n'a plus d'usage */
.number-line__marker.is-disabled .number-line__handle {
    display: none;
}

.number-line__correct-pointer {
    fill: var(--color-success);
}

.number-line__correct-guide {
    stroke: var(--color-success);
    stroke-width: 3;
}

.number-line__correct-label {
    fill: var(--color-success);
    font-weight: 700;
    font-size: 15px;
}

.slider {
    display: grid;
    gap: 0.5rem;
}

.slider__input {
    width: 100%;
    min-height: var(--touch-target);
}

.slider__value {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    /* Au-dessus du curseur, assez loin pour que le doigt posé sur la poignée ne la masque pas */
    margin-bottom: 1.5rem;
}

.answer-table {
    border-collapse: collapse;
    margin: 0 auto 1rem;
}

.answer-table th,
.answer-table td {
    border: 1px solid var(--color-border);
    padding: 0.5rem;
    text-align: center;
    min-width: 3.5rem;
}

.answer-table__cell {
    min-width: var(--touch-target);
    min-height: var(--touch-target);
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    font: inherit;
    font-weight: 700;
}

.answer-table__cell.is-selected {
    border-style: solid;
    border-color: var(--color-primary);
}

/* Opération posée : chiffres alignés en colonnes, retenues en petit au-dessus, trait avant le résultat */
.answer-table--operation td {
    border: 0;
    padding: 0.15rem;
    min-width: 0;
    width: calc(var(--touch-target) + 0.3rem);
    font-size: 1.6rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.answer-table--operation .answer-table__cell {
    width: var(--touch-target);
    padding: 0;
}

.answer-table--operation .operation-carries td,
.answer-table--operation .operation-carries .answer-table__cell {
    font-size: 1rem;
    color: var(--color-muted);
}

.answer-table--operation .operation-carries .answer-table__cell {
    min-height: 2rem;
    height: 2rem;
}

.answer-table--operation .operation-total td {
    border-top: 3px solid currentColor;
    padding-top: 0.4rem;
}

/* Potence : trait vertical à gauche du diviseur et du quotient, trait horizontal sous le diviseur */
.answer-table--potence .potence-bar {
    border-left: 3px solid currentColor;
}

.answer-table--potence .potence-divisor {
    border-bottom: 3px solid currentColor;
}

.answer-table--potence .potence-difference td:not(.potence-bar):not(.potence-bar ~ td) {
    border-top: 1px dashed var(--color-border);
}

.answer-table--potence .potence-label {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-muted);
    text-align: right;
}

.answer-table--potence .potence-remainder-row td {
    padding-top: 0.75rem;
}

/* Notation scientifique : « [a] × 10 » puis l'exposant en hauteur */
.answer-table--inline td {
    border: 0;
    padding: 0.25rem;
    min-width: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.answer-table--inline .answer-table__exponent {
    vertical-align: top;
}

.answer-table--inline .answer-table__exponent .answer-table__cell {
    min-width: 2.5rem;
    min-height: 2.5rem;
    font-size: 1.1rem;
}

.answer-table .answer-table__label {
    text-align: left;
    font-weight: 600;
}

.answer-table__cell--optional {
    border-style: dotted;
    opacity: 0.85;
}

/* Fraction : numérateur au-dessus, dénominateur en dessous, partie entière éventuelle devant */
.fraction-input {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 2rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.fraction-input__stack {
    display: inline-flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
}

.fraction-input__bar {
    height: 4px;
    border-radius: 2px;
    background: currentColor;
}

.fraction-input__field,
.fraction-input__fixed {
    min-width: 4rem;
    min-height: var(--touch-target);
    padding: 0 0.5rem;
    text-align: center;
}

.fraction-input__field {
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    cursor: pointer;
}

.fraction-input__field.is-empty {
    color: var(--color-muted);
}

.fraction-input__field.is-selected {
    border-style: solid;
    border-color: var(--color-primary);
}

.fraction-input__fixed {
    display: flex;
    align-items: center;
    justify-content: center;
}

.keypad__key--wide {
    grid-column: 1 / -1;
    font-size: 1.125rem;
}

/* ---------- Bilan de séance ---------- */

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

.rung-gain {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.rung-gain__buildings {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

.exercise-list__item {
    display: grid;
    gap: 0.25rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

.exercise-list__item:last-child {
    border-bottom: 0;
}

.exercise-list__result {
    font-weight: 700;
    font-size: 0.875rem;
}

@media (min-width: 40rem) {
    .region__grid {
        grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
    }

    .kingdom-status {
        grid-template-columns: 1fr 1fr;
    }

    .keypad__key {
        min-height: 64px;
    }
}

/* Variable x des énoncés : lettre mathématique arrondie, bien distincte du signe × ; police auto-hébergée pour que
   tous les appareils affichent le même x (Crimson Pro, licence OFL : assets/fonts/crimson-pro-OFL.txt) */
@font-face {
    font-family: "Crimson Pro";
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/crimson-pro-italic-latin-_2lN1Uq.woff2") format("woff2");
}

.math-var {
    font-family: "Crimson Pro", "Cambria Math", "Times New Roman", serif;
    font-style: italic;
    font-weight: 400;
    font-size: 1.19em;
    line-height: 1;
    padding: 0 0.04em;
}

.point-grid {
    cursor: crosshair;
    touch-action: none;
}

.point-grid__marker line {
    stroke: var(--color-danger);
    stroke-width: 3;
    stroke-linecap: round;
}

.point-grid__marker text {
    fill: var(--color-danger);
    font-weight: 700;
    font-size: 15px;
}

.point-grid__correct line {
    stroke: var(--color-success);
    stroke-width: 4;
    stroke-linecap: round;
}

/* Segments aimantés : le départ choisi est entouré, le trait en cours suit le doigt */
.segment-grid {
    cursor: crosshair;
    touch-action: none;
}

.segment-grid__segment,
.segment-grid__preview {
    stroke: var(--color-danger);
    stroke-width: 4;
    stroke-linecap: round;
}

.segment-grid__preview {
    stroke-dasharray: 6 5;
    opacity: 0.7;
}

.segment-grid__start {
    fill: rgb(161 38 27 / 0.15);
    stroke: var(--color-danger);
    stroke-width: 2;
}

.segment-grid__correct line {
    stroke: var(--color-success);
    stroke-width: 8;
    stroke-linecap: round;
    opacity: 0.45;
}

.segment-grid.is-disabled {
    cursor: default;
}

.segment-grid__undo {
    display: flex;
    width: fit-content;
    margin-top: 0.5rem;
    font-size: 0.9375rem;
}