/* =============================================
   ENGLISH ACADEMY RVN — verbos.css
   Módulo de Verbos — Flash Cards
   ============================================= */

/* ── BODY ── */
body {
    background: var(--bg-darker);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ══════════════════════════════════════════════
   NAV
══════════════════════════════════════════════ */
.vb-nav {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(9, 14, 22, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
}

.vb-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    gap: 16px;
}

.vb-nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.vb-logo {
    font-size: 0.9375rem;
    font-weight: 800;
    color: var(--text-primary);
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
}
.vb-logo span { color: var(--primary-light); }

.vb-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.vb-breadcrumb a { color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.vb-breadcrumb a:hover { color: var(--primary-light); }
.vb-breadcrumb i { font-size: 0.5625rem; }
.vb-breadcrumb .active { color: var(--text-secondary); }

.vb-nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* Plan badge */
.vb-nav-plan { display: flex; align-items: center; gap: 8px; }
.nav-plan-free {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.75rem; color: var(--text-muted);
    background: rgba(74,144,217,.08);
    border: 1px solid var(--border);
    border-radius: 20px; padding: 4px 12px;
}
.nav-upgrade-link {
    color: var(--primary-light); font-weight: 600;
    text-decoration: none; transition: var(--transition);
}
.nav-upgrade-link:hover { color: var(--text-primary); }
.nav-plan-premium {
    display: none; align-items: center; gap: 6px;
    font-size: 0.75rem; font-weight: 700;
    color: var(--premium-gold);
    background: rgba(255,215,0,.08);
    border: 1px solid rgba(255,215,0,.2);
    border-radius: 20px; padding: 4px 12px;
}

/* Font switcher */
.font-switcher {
    display: flex; align-items: center;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px; padding: 3px; gap: 2px;
}
.fs-btn {
    padding: 3px 9px; border-radius: 7px; border: none;
    background: transparent; color: var(--text-muted);
    cursor: pointer; transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}
.fs-btn:nth-child(1) { font-size: 0.75rem; }
.fs-btn:nth-child(2) { font-size: 0.9375rem; }
.fs-btn:nth-child(3) { font-size: 1.125rem; }
.fs-btn.active, .fs-btn:hover {
    background: var(--primary-glow);
    color: var(--primary-light);
}

/* Theme btn */
.theme-dot-nav {
    width: 34px; height: 34px; border-radius: 10px;
    background: var(--bg-dark); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-muted);
    transition: var(--transition); position: relative;
}
.theme-dot-nav:hover { color: var(--primary-light); border-color: var(--border-hover); }

/* Theme panel flotante */
.theme-panel-float {
    display: none; flex-direction: column; gap: 4px;
    position: fixed; top: 68px; right: 16px; z-index: 300;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 16px; padding: 10px;
    box-shadow: var(--shadow-lg);
    min-width: 160px;
}
.tpf-opt {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; border-radius: 10px; border: none;
    background: transparent; color: var(--text-secondary);
    cursor: pointer; font-size: 0.8125rem;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition); text-align: left;
}
.tpf-opt:hover, .tpf-opt.active {
    background: var(--primary-glow);
    color: var(--primary-light);
}
.tpf-dot {
    width: 14px; height: 14px;
    border-radius: 50%; flex-shrink: 0;
}

/* Usuario */
.vb-user-chip {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-dark); border: 1px solid var(--border);
    border-radius: 20px; padding: 4px 12px 4px 4px;
    text-decoration: none; transition: var(--transition);
    font-size: 0.8125rem; color: var(--text-secondary);
}
.vb-user-chip:hover { border-color: var(--border-hover); color: var(--primary-light); }
.vb-avatar {
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--primary-glow); border: 1px solid var(--border-hover);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700; color: var(--primary-light);
}
.vb-logout {
    width: 34px; height: 34px; border-radius: 10px;
    background: transparent; border: 1px solid var(--border);
    color: var(--text-muted); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem; transition: var(--transition);
}
.vb-logout:hover { background: rgba(229,57,53,.08); color: #ff7070; border-color: rgba(229,57,53,.3); }

/* ══════════════════════════════════════════════
   DATA-FONT helpers
══════════════════════════════════════════════ */
[data-font="chica"]  { --vb-font-en: 1rem;    --vb-font-es: 0.875rem; }
[data-font="mediana"]{ --vb-font-en: 1.125rem; --vb-font-es: 1rem;     }
[data-font="grande"] { --vb-font-en: 1.3125rem;--vb-font-es: 1.125rem; }

/* ══════════════════════════════════════════════
   LAYOUT — sidebar + main
══════════════════════════════════════════════ */
.vb-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: calc(100vh - 60px);
    max-width: 1400px;
    margin: 0 auto;
}

/* ── SIDEBAR ── */
.vb-sidebar {
    background: var(--bg-dark);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
}

.vb-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.vb-sidebar-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.vb-sidebar-title i { color: var(--primary-light); }

.vb-total-badge {
    margin-left: auto;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--primary-light);
    background: var(--primary-glow);
    border: 1px solid var(--border-hover);
    border-radius: 20px;
    padding: 2px 8px;
}

.vb-search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    transition: var(--transition);
}
.vb-search-wrap:focus-within { border-color: var(--border-hover); }
.vb-search-wrap i { color: var(--text-muted); font-size: 0.8125rem; flex-shrink: 0; }
.vb-search-wrap input {
    flex: 1; border: none; background: transparent;
    color: var(--text-primary); font-size: 0.875rem;
    font-family: 'Poppins', sans-serif; outline: none;
}
.vb-search-wrap input::placeholder { color: var(--text-muted); }

.vb-verb-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}
.vb-verb-list::-webkit-scrollbar { width: 4px; }
.vb-verb-list::-webkit-scrollbar-track { background: transparent; }
.vb-verb-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.vb-loading {
    display: flex; flex-direction: column; align-items: center;
    gap: 12px; padding: 40px 20px;
    color: var(--text-muted); font-size: 0.875rem;
}

/* Item de la lista de verbos */
.vb-verb-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
}
.vb-verb-item:hover {
    background: var(--primary-glow);
    border-color: var(--border);
}
.vb-verb-item.active {
    background: var(--primary-glow);
    border-color: var(--border-hover);
}
.vb-verb-item.locked {
    opacity: 0.45;
    cursor: default;
}
.vb-verb-item.locked:hover {
    background: transparent;
    border-color: transparent;
}

.vb-vi-num {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 28px;
    text-align: right;
    flex-shrink: 0;
}
.vb-vi-body { flex: 1; min-width: 0; }
.vb-vi-en {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.vb-vi-es {
    font-size: 0.6875rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.vb-vi-lock {
    font-size: 0.6875rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* ── MAIN ── */
.vb-main {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    overflow-y: auto;
}

/* Header del verbo */
.vb-verb-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.vb-verb-name {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    text-transform: uppercase;
}
.vb-verb-translation {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-top: 2px;
    font-weight: 500;
}
.vb-stat-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}
.vb-stat-pill {
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: var(--bg-dark);
    font-weight: 500;
}
.vb-stat-pill.accent {
    background: var(--primary-glow);
    color: var(--primary-light);
    border-color: var(--border-hover);
}
.vb-stat-pill.ok { color: #69db7c; border-color: rgba(76,175,80,.3); background: rgba(76,175,80,.06); }
.vb-stat-pill.err { color: #ff7070; border-color: rgba(229,57,53,.3); background: rgba(229,57,53,.06); }

/* ── PANEL DE CONTROLES ── */
.vb-controls-panel {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vb-controls-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.vb-ctrl-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Chips de cantidad y tiempo */
.vb-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.vb-chip {
    font-size: 0.8125rem;
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
}
.vb-chip:hover { border-color: var(--border-hover); color: var(--text-primary); }
.vb-chip.active {
    background: var(--primary-glow);
    color: var(--primary-light);
    border-color: var(--border-hover);
}

.vb-tchip {
    font-size: 0.75rem;
    padding: 4px 11px;
    border-radius: 20px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}
.vb-tchip:hover { border-color: var(--border-hover); color: var(--text-secondary); }
.vb-tchip.on {
    background: var(--primary-glow);
    color: var(--primary-light);
    border-color: var(--border);
}

.vb-audio-row {
    border-top: 1px solid var(--border);
    padding-top: 12px;
    flex-wrap: wrap;
    row-gap: 10px;
}

.vb-ctrl-group { display: flex; align-items: center; gap: 6px; }
.vb-ctrl-group select {
    font-size: 0.8125rem;
    padding: 5px 10px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: var(--transition);
}
.vb-ctrl-group select:hover { border-color: var(--border-hover); }

.vb-ctrl-sep {
    width: 1px; height: 24px;
    background: var(--border);
    flex-shrink: 0;
}

.vb-mode-toggle {
    display: flex;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-left: auto;
}
.vb-mode-opt {
    font-size: 0.775rem;
    padding: 6px 11px;
    cursor: pointer;
    color: var(--text-muted);
    border: none;
    background: transparent;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.vb-mode-opt:hover { color: var(--text-secondary); }
.vb-mode-opt.active {
    background: var(--primary-glow);
    color: var(--primary-light);
}

/* ── BARRA DE PROGRESO ── */
.vb-progress-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}
.vb-prog-bar {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}
.vb-prog-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.4s ease;
    width: 0%;
}
.vb-prog-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    font-weight: 600;
}

/* ══════════════════════════════════════════════
   CARD STACK
══════════════════════════════════════════════ */
.vb-card-area { display: flex; flex-direction: column; gap: 16px; }

.vb-card-stack {
    position: relative;
    min-height: 340px;
}

.vb-card-bg {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    pointer-events: none;
}
.vb-card-bg1 { bottom: -7px; height: 100%; z-index: 1; }
.vb-card-bg2 { bottom: -14px; width: calc(100% - 56px); height: 100%; z-index: 0; opacity: .5; }

.vb-main-card {
    position: relative;
    z-index: 2;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: transform 0.12s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 24px rgba(0,0,0,.3);
    min-height: 320px;
}
.vb-main-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}
.vb-main-card.flip {
    animation: vbFlip 0.32s ease;
}
@keyframes vbFlip {
    0%   { opacity: 1; transform: scale(1); }
    45%  { opacity: 0; transform: scale(0.96) translateY(-4px); }
    55%  { opacity: 0; transform: scale(0.96) translateY(-4px); }
    100% { opacity: 1; transform: scale(1); }
}

.vb-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.vb-card-tense {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    font-weight: 600;
}
.vb-card-counter {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.vb-card-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
}

/* Flechas internas: recorren solo los ejercicios del rango DEL/AL. */
.vb-card-step-nav {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 46px;
    margin-top: auto;
}

.vb-card-step-btn {
    display: inline-grid;
    place-items: center;
    width: 52px;
    height: 42px;
    padding: 0;
    border: 1px solid rgba(0, 211, 238, .55);
    border-radius: 12px;
    color: #21d4eb;
    background: rgba(0, 191, 220, .08);
    font-size: 1.05rem;
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease, transform .18s ease, opacity .18s ease;
}

.vb-card-step-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: #21d4eb;
    background: rgba(0, 191, 220, .18);
}

.vb-card-step-btn:focus-visible {
    outline: 2px solid #21d4eb;
    outline-offset: 3px;
}

.vb-card-step-btn:disabled {
    opacity: .28;
    cursor: not-allowed;
}

.vb-card-step-position {
    min-width: 64px;
    color: var(--text-muted);
    font-size: .75rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: .04em;
}

@media (max-width: 600px) {
    .vb-card-step-nav { gap: 9px; min-height: 42px; }
    .vb-card-step-btn { width: 46px; height: 38px; }
}

.vb-card-en {
    font-size: var(--vb-font-en, 1.4rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Inglés de referencia en modo Esc-Mos */
.vb-card-en-ref {
    font-size: var(--vb-font-en, 1.125rem);
    font-weight: 600;
    color: var(--primary-light);
    line-height: 1.45;
    background: var(--primary-glow);
    border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
    border-radius: 8px;
    padding: 8px 12px;
}

/* ── MODO ESC-MIC ── */
.vb-mic-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-top: 4px;
    border-top: 1px solid var(--border);
}

.vb-mic-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    background: var(--primary-glow);
}

.vb-mic-countdown span {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.vb-mic-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg-input);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.vb-mic-btn i {
    font-size: 1.6rem;
    transition: color 0.2s;
}

.vb-mic-btn:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: var(--primary-glow);
}

.vb-mic-btn.listening {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239,68,68,0.1);
    animation: micPulse 1.2s ease-in-out infinite;
}

@keyframes micPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50%       { box-shadow: 0 0 0 14px rgba(239,68,68,0); }
}

.vb-mic-transcript {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    min-height: 1.4em;
    line-height: 1.4;
}

/* Botón Esc-Mic activo en rojo */
.vb-mode-mic.active {
    background: rgba(239,68,68,0.15) !important;
    color: #f87171 !important;
}

/* Botón motivacional "¡Siguiente frase!" */
.vb-mic-skip-btn {
    margin-top: 10px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 20px;
    border-radius: 20px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.vb-mic-skip-btn:hover { opacity: 0.85; }
.vb-card-animo {
    font-size: 0.9375rem;
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.5;
}
.vb-card-divider {
    height: 1px;
    background: var(--border);
    border-radius: 1px;
}
.vb-card-es {
    font-size: var(--vb-font-es, 1.2rem);
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 500;
}

/* Área escritura */
.vb-escritura-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}
.vb-esc-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
    resize: none;
    outline: none;
    transition: var(--transition);
    line-height: 1.5;
}
.vb-esc-input:focus { border-color: var(--border-hover); background: rgba(74,144,217,.04); }
.vb-esc-input.correct { border-color: rgba(76,175,80,.5); background: rgba(76,175,80,.06); }
.vb-esc-input.wrong { border-color: rgba(229,57,53,.4); background: rgba(229,57,53,.05); }
.vb-esc-input:disabled { opacity: 0.8; cursor: default; }

.vb-esc-feedback {
    font-size: 0.8125rem;
    min-height: 20px;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
}
.vb-esc-feedback.show-correct {
    color: #69db7c;
    animation: fbIn 0.2s ease;
}
.vb-esc-feedback.show-wrong {
    color: #ff8080;
    animation: fbIn 0.2s ease;
}
@keyframes fbIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ── BOTONES NAVEGACIÓN ── */
.vb-nav-btns {
    display: flex;
    gap: 8px;
    align-items: center;
}
.vb-btn-nav {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.vb-btn-nav:hover { background: var(--primary-glow); border-color: var(--border-hover); }
.vb-btn-nav:active { transform: scale(0.98); }

.vb-btn-primary {
    flex: 2;
    background: var(--primary-glow);
    border-color: var(--border-hover);
    color: var(--primary-light);
}
.vb-btn-primary:hover {
    background: rgba(74,144,217,.2);
}

.vb-btn-auto { flex: 1; }
.vb-btn-auto.playing {
    background: rgba(76,175,80,.1);
    border-color: rgba(76,175,80,.3);
    color: #69db7c;
}

.vb-btn-reset {
    flex: 0;
    width: 44px;
    padding: 10px;
    color: var(--text-muted);
    transition: var(--transition);
}
.vb-btn-reset:hover {
    background: rgba(255,152,0,.08);
    border-color: rgba(255,152,0,.3);
    color: #FFB74D;
}
.vb-btn-reset i {
    transition: transform 0.4s ease;
}
.vb-btn-reset:hover i {
    transform: rotate(-180deg);
}

.vb-btn-audio {
    flex: 0;
    width: 44px;
    padding: 10px;
}

/* ── Rango Del / Al ── */
.vb-rango-row { gap: 0; border-top: 1px solid var(--border); padding-top: 10px; }
.vb-rango-group {
    display: flex; align-items: center;
    background: var(--bg-darker); border: 1px solid var(--border-hover);
    border-radius: 16px; padding: 6px 16px;
    width: 100%; justify-content: center; gap: 10px;
}
.vb-rango-label {
    font-size: 0.7rem; font-weight: 700; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap; flex-shrink: 0;
}
.vb-rango-sep { font-size: 1rem; font-weight: 700; color: var(--border-hover); flex-shrink: 0; }
.vb-rango-group select {
    flex: 1; font-size: 0.9rem; font-weight: 700;
    padding: 6px 10px; border-radius: 10px;
    border: 1px solid var(--border-hover);
    background: var(--primary-glow); color: var(--primary-light);
    font-family: 'Poppins', sans-serif;
    cursor: pointer; transition: var(--transition); outline: none;
    text-align: center; min-width: 70px;
}
.vb-rango-group select:hover,
.vb-rango-group select:focus { border-color: var(--primary-light); background: rgba(74,144,217,.18); }

/* ── Segunda fila nav (Auto-Sig) ── */
.vb-nav-btns-2 { display: flex; gap: 8px; align-items: center; margin-top: 2px; }
.vb-btn-autosig-big {
    flex: 1; width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-dark);
    color: var(--text-secondary);
    font-size: 0.875rem; font-family: 'Poppins', sans-serif; font-weight: 600;
    cursor: pointer; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.vb-btn-autosig-big:hover { background: var(--primary-glow); border-color: var(--border-hover); color: var(--primary-light); }
.vb-btn-autosig-big.playing { background: rgba(76,175,80,.1); border-color: rgba(76,175,80,.3); color: #69db7c; }

/* ══════════════════════════════════════════════
   EMPTY STATE
══════════════════════════════════════════════ */
.vb-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 80px 24px;
    text-align: center;
}
.vb-empty-icon {
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--primary-glow);
    border: 1px solid var(--border-hover);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--primary-light);
}
.vb-empty-state h2 { font-size: 1.25rem; color: var(--text-primary); }
.vb-empty-state p { font-size: 0.9375rem; color: var(--text-muted); max-width: 340px; line-height: 1.6; }

/* ══════════════════════════════════════════════
   PREMIUM OVERLAY
══════════════════════════════════════════════ */
.vb-premium-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 500;
    background: rgba(9, 14, 22, 0.85);
    backdrop-filter: blur(6px);
    align-items: center; justify-content: center;
}
.vb-premium-overlay.show { display: flex; }

.vb-premium-modal {
    background: var(--bg-dark);
    border: 1px solid rgba(255,215,0,.2);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    display: flex; flex-direction: column; gap: 18px;
    box-shadow: 0 24px 80px rgba(0,0,0,.6);
}
.vb-premium-icon {
    width: 72px; height: 72px; border-radius: 50%;
    background: rgba(255,215,0,.08);
    border: 1px solid rgba(255,215,0,.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--premium-gold);
    margin: 0 auto;
}
.vb-premium-modal h2 { font-size: 1.5rem; color: var(--text-primary); }
.vb-premium-modal p { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.6; }
.vb-premium-modal strong { color: var(--premium-gold); }

.vb-premium-features {
    display: flex; flex-direction: column; gap: 8px;
    text-align: left;
    background: rgba(74,144,217,.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
}
.vb-pf-item {
    font-size: 0.875rem; color: var(--text-secondary);
    display: flex; align-items: center; gap: 10px;
}
.vb-pf-item i { color: var(--primary-light); font-size: 0.75rem; flex-shrink: 0; }

.vb-btn-premium {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a00;
    font-weight: 700; font-size: 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    border: none; cursor: pointer;
    font-family: 'Poppins', sans-serif;
}
.vb-btn-premium:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,215,0,.3); }

.vb-btn-back {
    background: transparent; border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-muted); font-size: 0.875rem;
    padding: 10px; cursor: pointer;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}
.vb-btn-back:hover { color: var(--text-secondary); border-color: var(--border-hover); }

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 900px) {
    .vb-layout {
        grid-template-columns: 1fr;
    }
    /* Sidebar desktop oculto en móvil — se usa el bottom sheet */
    .vb-sidebar {
        display: none;
    }
    .vb-main { padding: 16px; }
    .vb-verb-name { font-size: 1.5rem; }
    .vb-breadcrumb { display: none; }
}

/* ══════════════════════════════════════════════
   FAB — Botón flotante "Verbos" (solo móvil)
══════════════════════════════════════════════ */
.vb-fab-verbos {
    display: none; /* oculto en desktop */
}

@media (max-width: 900px) {
    .vb-fab-verbos {
        display: flex;
        align-items: center;
        gap: 8px;
        position: fixed;
        bottom: 24px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 300;
        background: var(--primary, #4A90D9);
        color: #fff;
        border: none;
        border-radius: 50px;
        padding: 14px 24px;
        font-family: 'Poppins', sans-serif;
        font-size: 0.9375rem;
        font-weight: 700;
        cursor: pointer;
        box-shadow: 0 6px 28px rgba(74,144,217,0.55);
        transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
        white-space: nowrap;
    }
    .vb-fab-verbos:hover {
        transform: translateX(-50%) translateY(-2px);
        box-shadow: 0 10px 36px rgba(74,144,217,0.65);
    }
    .vb-fab-verbos i { font-size: 1rem; }
    .vb-fab-verbos.hidden {
        opacity: 0;
        pointer-events: none;
        transform: translateX(-50%) translateY(12px);
    }
    .vb-fab-verbos.vb-fab-gone {
        display: none !important;
    }
}

.vb-fab-badge {
    background: rgba(255,255,255,0.22);
    border-radius: 20px;
    padding: 1px 8px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ══════════════════════════════════════════════
   BOTTOM SHEET — Lista de verbos en móvil
══════════════════════════════════════════════ */
.vb-sheet-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 400;
    backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 0.28s ease;
}
.vb-sheet-backdrop.active {
    opacity: 1;
}

.vb-bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 401;
    background: var(--bg-dark, #1a2332);
    border-radius: 22px 22px 0 0;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    max-height: 88vh;
    transform: translateY(100%);
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    overflow: hidden;
}
.vb-bottom-sheet.active {
    transform: translateY(0);
}

.vb-sheet-handle {
    width: 44px;
    height: 5px;
    background: rgba(255,255,255,0.18);
    border-radius: 10px;
    margin: 12px auto 8px;
    flex-shrink: 0;
}

.vb-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 18px 14px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
}

.vb-sheet-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}
.vb-sheet-title i { color: var(--primary-light, #7ab8f5); font-size: 1rem; }

.vb-sheet-close {
    background: rgba(255,255,255,0.07);
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--transition);
}
.vb-sheet-close:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }

.vb-sheet-search {
    padding: 12px 16px 10px;
    flex-shrink: 0;
}

.vb-sheet-resume {
    margin: 0 16px 8px !important;
}

.vb-sheet-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px 32px;
    /* ítem más grande en móvil para fácil toque */
}

/* Ítems más generosos en el sheet */
.vb-sheet-list .vb-verb-item {
    padding: 13px 14px;
    border-radius: 12px;
    margin-bottom: 4px;
}
.vb-sheet-list .vb-vi-en {
    font-size: 1rem;
}
.vb-sheet-list .vb-vi-es {
    font-size: 0.8125rem;
}

@media (max-width: 600px) {
    /* ── Nav en 2 filas, sin ocultar nada ── */
    .vb-nav-inner {
        padding: 8px 12px;
        height: auto;
        flex-wrap: wrap;
        gap: 4px;
    }
    /* Fila 1: logo + breadcrumb */
    .vb-nav-left {
        width: 100%;
        order: 1;
    }
    .vb-logo { font-size: 0.875rem; }
    /* Reactivar breadcrumb (se ocultó en 900px) */
    .vb-breadcrumb {
        display: flex;
        font-size: 0.6875rem;
    }
    /* Fila 2: todos los controles */
    .vb-nav-right {
        width: 100%;
        order: 2;
        justify-content: flex-end;
        gap: 7px;
    }
    /* Badge plan más compacto */
    .nav-plan-free {
        font-size: 0.6875rem;
        padding: 3px 8px;
        gap: 4px;
    }
    .nav-plan-premium {
        font-size: 0.6875rem;
        padding: 3px 8px;
    }
    /* Font switcher más compacto */
    .fs-btn { padding: 2px 7px; }

    /* ── Contenido ── */
    .vb-main { padding: 12px; gap: 14px; }
    .vb-controls-panel { padding: 12px; }
    .vb-main-card { padding: 16px; }
    .vb-stat-pills { gap: 6px; }

    /* ── Botones navegación en 2 filas ── */
    .vb-nav-btns { gap: 6px; flex-wrap: wrap; }
    #btnPrev    { flex: 1; order: 1; }
    #btnNext    { flex: 2; order: 2; }
    #btnAuto    { flex: 1; order: 3; }
    #btnAutoSig { flex: 1; order: 4; font-size: 0.75rem; padding: 9px 6px; }
    #btnReset   { order: 5; }
    #btnAudio   { order: 6; }
    .vb-btn-nav { padding: 9px 10px; font-size: 0.8125rem; }
}

/* Teléfonos muy angostos */
@media (max-width: 380px) {
    .vb-logo { font-size: 0.8125rem; }
    .nav-plan-free { display: none; }
}

/* ══════════════════════════════════════════════
   PROGRESO — Banner y Pill de verbo actual
══════════════════════════════════════════════ */

/* Banner "Continuar donde quedaste" en sidebar */
.vb-resume-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(74,144,217,0.15), rgba(74,144,217,0.08));
    border: 1px solid rgba(74,144,217,0.35);
    border-radius: 10px;
    margin: 0 14px 10px;
    padding: 9px 12px;
    font-size: 0.8rem;
    color: var(--primary-light, #7ab8f5);
    animation: bannerFadeIn 0.4s ease;
}

.vb-resume-banner i {
    color: var(--primary, #4A90D9);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.vb-resume-banner span {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.vb-resume-btn {
    background: var(--primary, #4A90D9);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 4px 11px;
    font-size: 0.775rem;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    font-family: 'Poppins', sans-serif;
    transition: opacity 0.2s;
}

.vb-resume-btn:hover { opacity: 0.85; }

@keyframes bannerFadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Pill de número de verbo actual en header */
.vb-pill-verbo {
    background: rgba(74,144,217,0.12) !important;
    border: 1px solid rgba(74,144,217,0.3) !important;
    color: var(--primary-light, #7ab8f5) !important;
    font-size: 0.72rem !important;
    gap: 5px;
}

.vb-pill-verbo i {
    color: var(--primary, #4A90D9);
    font-size: 0.7rem;
}

/* ══════════════════════════════════════════════
   WIDGET — Verbo activo en panel de controles
══════════════════════════════════════════════ */
.vb-controls-row-top {
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.vb-current-widget {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    background: rgba(74,144,217,0.07);
    border: 1px solid rgba(74,144,217,0.25);
    border-radius: 12px;
    padding: 8px 16px;
    min-width: 180px;
    max-width: 340px;
    flex-shrink: 0;
}

.vb-cw-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--primary-light, #7ab8f5);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 5px;
    opacity: 0.8;
}
.vb-cw-label i { font-size: 0.6rem; }

.vb-cw-verb {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.04em;
    line-height: 1.2;
}

.vb-cw-trans {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.2;
}

@media (max-width: 700px) {
    .vb-current-widget {
        align-items: flex-start;
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .vb-cw-verb  { font-size: 0.95rem; }
    .vb-cw-trans { font-size: 0.75rem; }
}

@media (max-width: 480px) {
    .vb-resume-banner { margin: 0 10px 8px; padding: 8px 10px; font-size: 0.75rem; }
    .vb-pill-verbo { display: none; }
}

/* ══════════════════════════════════════════════
   BANNER VERBO ACTIVO — dentro de la card
══════════════════════════════════════════════ */
.vb-card-verb-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px 10px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    margin-bottom: 2px;
    background: rgba(74,144,217,0.05);
    border-radius: 6px 6px 0 0;
}

.vb-card-verb-name {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--primary-light, #7ab8f5);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.vb-card-verb-sep {
    color: rgba(255,255,255,0.2);
    font-size: 1rem;
    font-weight: 300;
}

.vb-card-verb-trans {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    font-style: italic;
    font-weight: 400;
}

@media (max-width: 480px) {
    .vb-card-verb-banner { padding: 6px 12px 8px; gap: 6px; }
    .vb-card-verb-name   { font-size: 0.85rem; }
    .vb-card-verb-trans  { font-size: 0.8rem; }
}

/* ── Botón cambiar verbo — solo móvil ── */
.vb-btn-cambiar { display: none; }

@media (max-width: 900px) {
    .vb-verb-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }
    .vb-btn-cambiar {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        flex-shrink: 0;
        border-radius: 10px;
        border: 1px solid var(--border);
        background: var(--primary-glow);
        color: var(--primary-light);
        cursor: pointer;
        font-size: 0.875rem;
        transition: var(--transition);
    }
    .vb-btn-cambiar:hover {
        border-color: var(--border-hover);
        background: rgba(74,144,217,0.18);
    }
}

/* ══ MÓVIL: ocultar header verbo grande y fila de Tiempos ══ */
@media (max-width: 900px) {
    .vb-verb-header .vb-verb-title-block { display: none !important; }
    .vb-tenses-row { display: none !important; }
}

/* ══ MÓVIL: combo Ver N ejemplos (reemplaza chips) ══ */
.vb-qty-select-mobile {
    display: none;
    background: var(--bg-input, rgba(15,25,35,0.8));
    color: var(--text, #e6eef5);
    border: 1px solid var(--border, rgba(74,144,217,0.35));
    border-radius: 8px;
    padding: 0.35rem 0.6rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
}
.vb-qty-select-mobile:focus {
    border-color: var(--primary, #4A90D9);
}
@media (max-width: 900px) {
    .vb-qty-chips-desktop { display: none !important; }
    .vb-qty-select-mobile { display: inline-block !important; }
}

/* ══ MÓVIL: label Pausa → Pau (por defecto oculto el short) ══ */
.vb-lbl-short { display: none; }

/* ══ MÓVIL: compactar panel de controles para dar más espacio al ejercicio ══ */
@media (max-width: 900px) {
    /* Label "Pausa" → "Pau" */
    .vb-lbl-pausa .vb-lbl-full  { display: none; }
    .vb-lbl-pausa .vb-lbl-short { display: inline; }

    /* Vel / Rep / Pausa en una sola fila, compactos */
    .vb-audio-row {
        flex-wrap: nowrap !important;
        gap: 0.4rem !important;
        padding: 0.4rem 0 !important;
        align-items: center;
    }
    .vb-audio-row .vb-ctrl-group {
        flex: 0 1 auto;
        gap: 0.25rem !important;
    }
    .vb-audio-row .vb-ctrl-label {
        font-size: 0.72rem !important;
        letter-spacing: 0;
    }
    .vb-audio-row select {
        padding: 0.25rem 0.35rem !important;
        font-size: 0.8rem !important;
        min-width: 0 !important;
        width: auto !important;
    }

    /* Separador oculto para dar más aire */
    .vb-audio-row .vb-ctrl-sep { display: none !important; }

    /* Modo toggle en nueva fila, compacto */
    .vb-mode-toggle {
        display: flex !important;
        flex-wrap: wrap !important;
        flex: 1 1 100% !important;
        width: 100% !important;
        justify-content: space-between !important;
        gap: 0.3rem !important;
        margin-top: 0.5rem !important;
    }
    .vb-mode-toggle .vb-mode-opt {
        padding: 0.35rem 0.5rem !important;
        font-size: 0.78rem !important;
        flex: 1 1 0 !important;
        min-width: 0;
    }
    .vb-mode-toggle .vb-mode-opt i {
        margin-right: 0.2rem;
        font-size: 0.85rem;
    }

    /* Panel de controles general más compacto */
    .vb-controls-panel {
        padding: 0.5rem 0.6rem !important;
        gap: 0.35rem !important;
    }
    .vb-controls-row {
        padding: 0.25rem 0 !important;
        gap: 0.4rem !important;
    }
    .vb-controls-row-top {
        flex-wrap: wrap !important;
        gap: 0.4rem !important;
    }

    /* Widget "Practicando" más compacto */
    .vb-current-widget {
        padding: 0.4rem 0.6rem !important;
    }
    .vb-cw-label {
        font-size: 0.7rem !important;
        margin-bottom: 0.15rem !important;
    }
    .vb-cw-verb {
        font-size: 0.95rem !important;
        line-height: 1.2 !important;
    }
    .vb-cw-trans {
        font-size: 0.78rem !important;
        font-style: italic;
    }

    /* Grupo "Ver [combo] ejemplos" compacto */
    .vb-qty-group {
        gap: 0.4rem !important;
    }
    .vb-qty-group .vb-ctrl-label {
        font-size: 0.78rem !important;
    }
}

/* ══ MÓVIL: forzar wrap en audio row para que modo pase a nueva línea ══ */
@media (max-width: 900px) {
    .vb-audio-row {
        flex-wrap: wrap !important;
    }
    .vb-audio-row > .vb-ctrl-group {
        flex: 0 1 auto;
    }
    .vb-mode-toggle .vb-mode-opt {
        flex: 1 1 calc(50% - 0.2rem) !important;
        max-width: none;
    }
}
/* Esc-Mic: meta, puntuación y salto de frase */
.vb-mic-goal{display:flex;align-items:center;justify-content:center;gap:10px;width:min(100%,420px);padding:8px 12px;border:1px solid rgba(0,211,238,.25);border-radius:11px;background:rgba(0,183,216,.07);color:#8bdde7;font-size:.75rem;font-weight:600}
.vb-mic-goal select{min-height:34px;padding:5px 9px;border:1px solid rgba(0,211,238,.38);border-radius:8px;outline:none;background:#031820;color:#f1fcff;font:600 .75rem 'Poppins',sans-serif;cursor:pointer}
.vb-mic-score{min-height:22px;color:#50ddec;font-size:.82rem;font-weight:700;text-align:center}.vb-mic-score.pass{color:#69db7c}.vb-mic-score.retry{color:#ffd166}
.vb-mic-skip{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 18px;border:1px solid rgba(0,211,238,.38);border-radius:11px;background:rgba(0,183,216,.09);color:#48e6f6;font:600 .8rem 'Poppins',sans-serif;cursor:pointer;transition:.2s ease}
.vb-mic-skip:hover{border-color:rgba(0,222,245,.72);background:rgba(0,183,216,.17);color:#fff;transform:translateY(-1px)}
@media(max-width:600px){.vb-mic-goal{align-items:stretch;flex-direction:column;gap:6px;width:100%}.vb-mic-goal select,.vb-mic-skip{width:100%}.vb-mic-skip{min-height:44px}}
/* Práctica oral opcional en Lectura (Auto y Auto-Sig) */
.vb-practice-mic-toggle {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 36px;
    padding: 7px 11px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted);
    font: inherit;
    font-size: .78rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.vb-practice-mic-toggle:hover { transform: translateY(-1px); }
.vb-practice-mic-toggle.active {
    color: #d9ffe8;
    background: rgba(34, 197, 94, .22);
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, .10);
}
.vb-practice-mic-toggle.listening { animation: vbPracticeMicPulse 1s ease-in-out infinite; }
.vb-practice-mic-result {
    margin-top: 14px;
    padding: 11px 13px;
    border: 1px solid rgba(34, 197, 94, .35);
    border-radius: 10px;
    background: rgba(34, 197, 94, .08);
}
.vb-practice-mic-status { color: #79f29a; font-size: .82rem; font-weight: 700; }
.vb-practice-mic-transcript {
    margin-top: 5px;
    color: #f7fbff;
    font-size: .95rem;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .35);
}
.vb-practice-mic-quality {
    margin-top: 4px;
    color: rgba(241, 248, 255, .86);
    font-size: .75rem;
}
@keyframes vbPracticeMicPulse { 50% { box-shadow: 0 0 0 7px rgba(34, 197, 94, .16); } }
@media (max-width: 650px) {
    .vb-practice-mic-toggle span { display: none; }
    .vb-practice-mic-toggle { padding: 8px 11px; }
}