/* Lookat Academy — estilos de Archivos, Miembros, Ranking y Aula (prefijo ap-) */
:root {
    --ap-ink: #1d1d1f;
    --ap-ink-2: #6e6e73;
    --ap-ink-3: #86868b;
    --ap-line: rgba(0, 0, 0, 0.08);
    --ap-fill: #f5f5f7;
    --ap-card: #ffffff;
    --ap-accent: #0071e3;
    --ap-green: #1f9d55;
    --ap-red: #d70015;
    --ap-radius: 18px;
    --ap-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Inter, sans-serif;
}

.ap-view { max-width: 1200px; margin: 0 auto; padding: 24px 16px 64px; font-family: var(--ap-font); color: var(--ap-ink); }
@media (min-width: 640px) { .ap-view { padding: 28px 24px 72px; } }

.ap-h2 { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.ap-h3 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 12px; }
.ap-h4 { font-size: 13px; font-weight: 600; margin: 20px 0 8px; }
.ap-muted { color: var(--ap-ink-2); font-size: 14px; margin: 4px 0 0; line-height: 1.5; }
.ap-small { color: var(--ap-ink-3); font-size: 12px; line-height: 1.5; margin: 0; }
.ap-eyebrow { color: var(--ap-ink-3); font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 6px; }
.ap-mt { margin-top: 14px; }
.ap-mb { margin-bottom: 18px; }

.ap-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.ap-card { background: var(--ap-card); border: 1px solid var(--ap-line); border-radius: var(--ap-radius); padding: 20px; }

/* Botones */
.ap-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 999px; padding: 9px 16px; font: 500 13px/1 var(--ap-font); cursor: pointer; transition: background .15s, opacity .15s, transform .1s; white-space: nowrap; }
.ap-btn:active { transform: scale(0.98); }
.ap-btn:disabled { opacity: .45; cursor: default; transform: none; }
.ap-btn--primary { background: var(--ap-ink); color: #fff; }
.ap-btn--primary:hover:not(:disabled) { background: #000; }
.ap-btn--ghost { background: var(--ap-fill); color: var(--ap-ink); }
.ap-btn--ghost:hover:not(:disabled) { background: #e8e8ed; }
.ap-btn--danger { background: var(--ap-red); color: #fff; }
.ap-btn--success { background: var(--ap-green); color: #fff; }
.ap-btn--sm { padding: 7px 12px; font-size: 12px; }
.ap-icon-btn { width: 30px; height: 30px; border-radius: 999px; border: 0; background: transparent; color: var(--ap-ink-3); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: background .15s, color .15s; }
.ap-icon-btn:hover { background: var(--ap-fill); color: var(--ap-ink); }
.ap-icon-btn--danger:hover { background: #fff0f1; color: var(--ap-red); }
.ap-link-btn { display: block; width: 100%; margin-top: 10px; padding: 8px; border: 0; background: transparent; color: var(--ap-accent); font: 500 12px var(--ap-font); cursor: pointer; border-radius: 10px; }
.ap-link-btn:hover { background: var(--ap-fill); }
.ap-back { display: inline-flex; align-items: center; gap: 4px; border: 0; background: transparent; color: var(--ap-accent); font: 500 14px var(--ap-font); cursor: pointer; padding: 0; margin-bottom: 16px; }

/* Toolbar, búsqueda, segmented, chips */
.ap-toolbar { display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 12px; }
.ap-toolbar__selects { display: flex; gap: 8px; }
.ap-search { flex: 1 1 260px; max-width: 420px; display: flex; align-items: center; gap: 8px; background: var(--ap-card); border: 1px solid var(--ap-line); border-radius: 12px; padding: 0 12px; color: var(--ap-ink-3); }
.ap-search input { flex: 1; border: 0; outline: 0; background: transparent; padding: 10px 0; font: 14px var(--ap-font); color: var(--ap-ink); min-width: 0; }
.ap-search:focus-within { border-color: rgba(0,113,227,.5); box-shadow: 0 0 0 3px rgba(0,113,227,.12); }
.ap-select { appearance: none; border: 1px solid var(--ap-line); background: var(--ap-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2386868b' fill='none' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 12px center; border-radius: 12px; padding: 10px 32px 10px 12px; font: 13px var(--ap-font); color: var(--ap-ink); cursor: pointer; }
.ap-segmented { display: inline-flex; background: rgba(0,0,0,.05); border-radius: 10px; padding: 3px; gap: 2px; }
.ap-segmented button { border: 0; background: transparent; padding: 6px 14px; border-radius: 8px; font: 500 13px var(--ap-font); color: var(--ap-ink-2); cursor: pointer; transition: background .15s, color .15s; }
.ap-segmented button.is-active { background: #fff; color: var(--ap-ink); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.ap-chips { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 14px; scrollbar-width: none; }
.ap-chips::-webkit-scrollbar { display: none; }
.ap-chip { flex: none; display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--ap-line); background: var(--ap-card); color: var(--ap-ink); border-radius: 999px; padding: 6px 12px; font: 500 13px var(--ap-font); cursor: pointer; transition: all .15s; }
.ap-chip span { color: var(--ap-ink-3); font-size: 12px; }
.ap-chip:hover { border-color: rgba(0,0,0,.18); }
.ap-chip.is-active { background: var(--ap-ink); border-color: var(--ap-ink); color: #fff; }
.ap-chip.is-active span { color: rgba(255,255,255,.6); }

/* Pills */
.ap-pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 3px 8px; font: 500 11px var(--ap-font); background: var(--ap-fill); color: var(--ap-ink); white-space: nowrap; }
.ap-pill--soft { background: transparent; border: 1px solid var(--ap-line); color: var(--ap-ink-2); }
.ap-pill--draft { background: #fff4e5; color: #9a5b00; }
.ap-pill--admin { background: #eef4ff; color: #0058b0; margin-left: 6px; }
.ap-level-chip { display: inline-flex; align-items: center; border-radius: 999px; padding: 1px 7px; font: 600 10px var(--ap-font); background: #eef4ff; color: #0058b0; }

/* Empty */
.ap-empty { grid-column: 1 / -1; text-align: center; padding: 48px 16px; color: var(--ap-ink-2); font-size: 14px; background: var(--ap-card); border: 1px dashed rgba(0,0,0,.12); border-radius: var(--ap-radius); }
.ap-empty__title { color: var(--ap-ink); font-weight: 600; font-size: 15px; margin: 0 0 4px; }
.ap-empty p { margin: 0; }
.ap-empty--sm { padding: 20px 12px; font-size: 13px; border: 0; }

/* Archivos */
.ap-files-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 700px) { .ap-files-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .ap-files-grid { grid-template-columns: repeat(3, 1fr); } }
.ap-file-card { background: var(--ap-card); border: 1px solid var(--ap-line); border-radius: var(--ap-radius); padding: 18px; display: flex; flex-direction: column; gap: 8px; transition: box-shadow .2s, transform .2s; }
.ap-file-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,.06); }
.ap-file-card.is-draft { background: #fcfcfd; border-style: dashed; }
.ap-file-card__top { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 4px; }
.ap-file-card__tags { display: flex; flex-wrap: wrap; gap: 5px; flex: 1; min-width: 0; padding-top: 2px; }
.ap-file-card__admin { display: flex; gap: 2px; margin: -4px -6px 0 0; }
.ap-file-card__title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; margin: 0; line-height: 1.3; }
.ap-file-card__desc { font-size: 13px; color: var(--ap-ink-2); margin: 0; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ap-file-card__foot { margin-top: auto; padding-top: 10px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid var(--ap-line); }
.ap-file-icon { flex: none; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(180deg, #2c2c2e, #1d1d1f); color: #fff; display: inline-flex; align-items: center; justify-content: center; font: 700 10px var(--ap-font); letter-spacing: .04em; }
.ap-file-icon[data-ext="PDF"] { background: linear-gradient(180deg, #ff453a, #d70015); }
.ap-file-icon[data-ext="ZIP"] { background: linear-gradient(180deg, #5e5ce6, #3634a3); }
.ap-file-icon[data-ext="LINK"] { background: linear-gradient(180deg, #0a84ff, #0058b0); }
.ap-file-icon--sm { width: 32px; height: 32px; border-radius: 9px; font-size: 8px; }

/* Modal y formulario */
.ap-modal { position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,.35); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; padding: 16px; font-family: var(--ap-font); color: var(--ap-ink); animation: ap-fade .15s ease; }
.ap-modal__card { width: 100%; max-width: 440px; max-height: calc(100vh - 32px); background: #fff; border-radius: 22px; box-shadow: 0 24px 80px rgba(0,0,0,.25); display: flex; flex-direction: column; overflow: hidden; animation: ap-pop .18s ease; }
.ap-modal__card--wide { max-width: 580px; }
.ap-modal__head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px 6px; }
.ap-modal__head h3 { margin: 0; font-size: 17px; font-weight: 600; }
.ap-modal__body { padding: 8px 20px 16px; overflow-y: auto; }
.ap-modal__foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--ap-line); background: #fbfbfd; }
@keyframes ap-fade { from { opacity: 0; } }
@keyframes ap-pop { from { opacity: 0; transform: scale(.97) translateY(6px); } }

.ap-form { display: flex; flex-direction: column; gap: 14px; }
.ap-field { display: flex; flex-direction: column; gap: 6px; }
.ap-field label { font-size: 12px; font-weight: 600; color: var(--ap-ink); }
.ap-field input, .ap-field textarea, .ap-field select { border: 1px solid var(--ap-line); background: var(--ap-fill); border-radius: 12px; padding: 10px 12px; font: 14px var(--ap-font); color: var(--ap-ink); outline: 0; transition: border .15s, box-shadow .15s, background .15s; resize: vertical; }
.ap-field input:focus, .ap-field textarea:focus, .ap-field select:focus { background: #fff; border-color: rgba(0,113,227,.5); box-shadow: 0 0 0 3px rgba(0,113,227,.12); }
.ap-grid-2 { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 520px) { .ap-grid-2 { grid-template-columns: 1fr 1fr; } }
.ap-drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center; border: 1.5px dashed rgba(0,0,0,.18); border-radius: 16px; padding: 22px 16px; cursor: pointer; transition: all .15s; background: #fbfbfd; }
.ap-drop:hover, .ap-drop.is-over { border-color: var(--ap-accent); background: #f2f7ff; }
.ap-drop.has-file { border-style: solid; border-color: rgba(31,157,85,.5); background: #f3fbf6; }
.ap-drop__icon { color: var(--ap-ink-3); }
.ap-drop__title { font-size: 14px; font-weight: 500; word-break: break-all; }
.ap-switch { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; user-select: none; }
.ap-switch input { position: absolute; opacity: 0; pointer-events: none; }
.ap-switch span { width: 40px; height: 24px; border-radius: 999px; background: #e5e5ea; position: relative; transition: background .2s; flex: none; }
.ap-switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: transform .2s; }
.ap-switch input:checked + span { background: #34c759; }
.ap-switch input:checked + span::after { transform: translateX(16px); }
.ap-switch input:focus-visible + span { box-shadow: 0 0 0 3px rgba(0,113,227,.25); }
.ap-form-error { margin: 0; color: var(--ap-red); font-size: 13px; background: #fff0f1; border-radius: 10px; padding: 8px 12px; }

/* Progreso */
.ap-progress { height: 6px; border-radius: 999px; background: #e8e8ed; overflow: hidden; margin: 10px 0 6px; max-width: 220px; }
.ap-progress--wide { max-width: none; }
.ap-progress span { display: block; height: 100%; background: var(--ap-ink); border-radius: inherit; transition: width .3s ease; }

/* Avatares, miembros */
.ap-avatar { display: inline-flex; flex: none; border-radius: 50%; overflow: hidden; background: var(--ap-fill); align-items: center; justify-content: center; }
.ap-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ap-avatar--initials { background: var(--ap-ink); color: #fff; font-weight: 600; font-family: var(--ap-font); }
.ap-members-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 640px) { .ap-members-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ap-members-grid { grid-template-columns: repeat(3, 1fr); } }
.ap-member-card { display: flex; align-items: center; gap: 14px; text-align: left; background: var(--ap-card); border: 1px solid var(--ap-line); border-radius: var(--ap-radius); padding: 14px 16px; cursor: pointer; font-family: var(--ap-font); color: var(--ap-ink); transition: box-shadow .2s; }
.ap-member-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.ap-member-card__avatar { position: relative; display: inline-flex; flex: none; }
.ap-member-card__body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ap-member-card__name { font-size: 15px; font-weight: 600; display: flex; align-items: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ap-member-card__meta { font-size: 12px; color: var(--ap-ink-3); }
.ap-member-card__meta.is-online { color: var(--ap-green); }
.ap-online-dot { position: absolute; top: 1px; right: 1px; width: 13px; height: 13px; border-radius: 50%; background: #34c759; border: 2.5px solid #fff; }
.ap-level-badge { position: absolute; right: -3px; bottom: -3px; min-width: 21px; height: 21px; padding: 0 4px; border-radius: 999px; background: var(--ap-accent); color: #fff; font: 700 11px/17px var(--ap-font); text-align: center; border: 2px solid #fff; }
.ap-level-badge--lg { min-width: 28px; height: 28px; font-size: 13px; line-height: 24px; }

.ap-profile__head { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.ap-profile__head > div { flex: 1; min-width: 0; }
.ap-profile__name { font-size: 18px; font-weight: 600; margin: 0; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }
.ap-profile__head .ap-profile__name { justify-content: flex-start; }
.ap-stats { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--ap-fill); border-radius: 14px; padding: 12px 6px; margin-bottom: 12px; text-align: center; }
.ap-stats strong { display: block; font-size: 18px; font-weight: 600; }
.ap-stats span { font-size: 11px; color: var(--ap-ink-3); }
.ap-list { list-style: none; margin: 0; padding: 0; }
.ap-list li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--ap-line); font-size: 13px; }
.ap-list li:last-child { border-bottom: 0; }

/* Ranking */
.ap-ranking-top { display: grid; grid-template-columns: 1fr; gap: 14px; margin-bottom: 14px; }
@media (min-width: 900px) { .ap-ranking-top { grid-template-columns: 320px 1fr; } }
.ap-me-card { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 4px; padding: 28px 24px; }
.ap-me-card .ap-member-card__avatar { margin-bottom: 10px; }
.ap-me-card .ap-progress { width: 100%; max-width: 240px; }
.ap-levels { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 4px 20px; }
@media (min-width: 640px) { .ap-levels { grid-template-columns: 1fr 1fr; } }
.ap-levels li { display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-radius: 10px; font-size: 13px; }
.ap-levels li.is-current { background: #eef4ff; }
.ap-levels li.is-locked { color: var(--ap-ink-3); }
.ap-levels__num { width: 24px; height: 24px; border-radius: 50%; background: var(--ap-fill); display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: 12px; flex: none; }
.ap-levels li.is-current .ap-levels__num { background: var(--ap-accent); color: #fff; }
.ap-levels__name { flex: 1; font-weight: 500; display: flex; flex-direction: column; }
.ap-levels__name small { font-weight: 400; color: var(--ap-ink-3); font-size: 11px; }
.ap-levels__pct { color: var(--ap-ink-3); font-size: 12px; }
.ap-boards { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 900px) { .ap-boards { grid-template-columns: repeat(3, 1fr); } }
.ap-board { list-style: none; margin: 0; padding: 0; }
.ap-board li, .ap-mini-row { display: flex; align-items: center; gap: 10px; padding: 7px 6px; border-radius: 10px; font-size: 13px; }
.ap-board li.is-me { background: #eef4ff; }
.ap-board__rank { width: 18px; text-align: center; color: var(--ap-ink-3); font-weight: 600; font-size: 12px; flex: none; }
.ap-board__rank.is-top { color: var(--ap-ink); }
.ap-board__name { flex: 1; min-width: 0; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ap-board__pts { color: var(--ap-ink-2); font-weight: 600; font-size: 12px; }

/* Aula */
.ap-classroom { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: start; font-family: var(--ap-font); color: var(--ap-ink); }
@media (min-width: 1024px) { .ap-classroom { grid-template-columns: 320px 1fr; } .ap-classroom__nav { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow-y: auto; } }
.ap-lesson-list { list-style: none; margin: 14px -8px 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.ap-lesson-list button { width: 100%; display: flex; align-items: flex-start; gap: 10px; text-align: left; border: 0; background: transparent; border-radius: 12px; padding: 9px 10px; cursor: pointer; font: 13px/1.4 var(--ap-font); color: var(--ap-ink); transition: background .15s; }
.ap-lesson-list button:hover { background: var(--ap-fill); }
.ap-lesson-list button.is-active { background: var(--ap-fill); font-weight: 600; }
.ap-lesson-list__status { flex: none; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid rgba(0,0,0,.18); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; color: var(--ap-ink-3); font-weight: 600; }
.ap-lesson-list button.is-done .ap-lesson-list__status { background: var(--ap-green); border-color: var(--ap-green); color: #fff; }
.ap-lesson-list__title { flex: 1; min-width: 0; padding-top: 2px; }
.ap-classroom__main { padding: 24px; scroll-margin-top: 90px; }
@media (min-width: 640px) { .ap-classroom__main { padding: 32px 40px; } }
.ap-lesson-title { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 8px; }
.ap-lesson-sub { color: var(--ap-ink-2); font-size: 15px; margin: 0 0 20px; line-height: 1.5; }
.ap-video { position: relative; padding-top: 56.25%; border-radius: 16px; overflow: hidden; background: #000; margin-bottom: 24px; }
.ap-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.ap-lesson-content { font-size: 15px; line-height: 1.7; }
.ap-lesson-files { margin-top: 28px; padding-top: 4px; border-top: 1px solid var(--ap-line); }
.ap-lesson-file { display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.ap-lesson-file__title { flex: 1; font-size: 14px; font-weight: 500; min-width: 0; }
.ap-lesson-actions { display: flex; gap: 8px; justify-content: space-between; flex-wrap: wrap; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--ap-line); }
.ap-lesson-actions #ap-complete { order: 0; }
@media (max-width: 520px) { .ap-lesson-actions #ap-complete { order: -1; width: 100%; } .ap-lesson-actions .ap-btn--ghost { flex: 1; } }

/* Calendario: tarjetas de próximas sesiones */
.ap-upcoming { display: flex; flex-direction: column; gap: 8px; }
.ap-upcoming button { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; border: 1px solid var(--ap-line); background: #fff; border-radius: 14px; padding: 12px 14px; cursor: pointer; font-family: var(--ap-font); transition: border .15s; }
.ap-upcoming button:hover, .ap-upcoming button.is-active { border-color: var(--ap-ink); }
.ap-date-tile { flex: none; width: 46px; text-align: center; border-radius: 10px; background: var(--ap-fill); padding: 5px 0; }
.ap-date-tile small { display: block; font-size: 10px; font-weight: 600; text-transform: uppercase; color: var(--ap-red); }
.ap-date-tile strong { display: block; font-size: 18px; font-weight: 600; color: var(--ap-ink); line-height: 1.1; }

/* Toasts */
.ap-toast-host { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 10001; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.ap-toast { background: rgba(29,29,31,.92); color: #fff; padding: 10px 16px; border-radius: 999px; font: 500 13px var(--ap-font); box-shadow: 0 8px 24px rgba(0,0,0,.2); opacity: 0; transform: translateY(8px); transition: all .2s ease; }
.ap-toast.is-in { opacity: 1; transform: none; }
.ap-toast--error { background: rgba(215,0,21,.95); }

/* Tabs de la cabecera: scroll horizontal en móvil */
.academy-tabs-scroll { overflow-x: auto; scrollbar-width: none; }
.academy-tabs-scroll::-webkit-scrollbar { display: none; }