/* ── MODAL OVERLAY ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

/* ── MODAL BOX ── */
.modal-box {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    transform: translateY(16px);
    transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}
.modal-overlay.open .modal-box {
    transform: translateY(0);
}

.modal-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--brand-blue);
    margin-bottom: 0.4rem;
}
.modal-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

/* ── OPCIONES DE MODO (modal normal) ── */
.modal-modes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.mode-option {
    background: transparent;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
    width: 100%;
    transition: all 0.18s ease;
    color: var(--text-primary);
}
.mode-option:hover {
    border-color: var(--brand-blue);
    background: rgba(0, 92, 138, 0.05);
}
.mode-option.selected {
    border-color: var(--brand-blue);
    background: rgba(0, 92, 138, 0.08);
}
.mode-option-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(0, 92, 138, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: background 0.18s;
}
.mode-option:hover .mode-option-icon,
.mode-option.selected .mode-option-icon {
    background: var(--brand-blue);
}
.mode-option-info {}
.mode-option-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.mode-option-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ── INPUT NÚMERO PREGUNTAS ── */
.n-input-section {
    display: none;
    flex-direction: column;
    gap: 0.6rem;
    background: rgba(0,0,0,0.03);
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    animation: slideDown 0.2s ease;
}
[data-theme="dark"] .n-input-section {
    background: rgba(255,255,255,0.04);
}
.n-input-section.show { display: flex; }

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

.n-input-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.n-input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.n-input {
    background: var(--bg-color);
    border: 1.5px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 0.5rem 0.75rem;
    width: 90px;
    text-align: center;
    transition: border-color 0.2s;
    -moz-appearance: textfield;
}
.n-input::-webkit-outer-spin-button,
.n-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.n-input:focus { outline: none; border-color: var(--brand-blue); }
.n-input.error { border-color: #dc2626; }
.n-stepper { display: flex; flex-direction: column; gap: 3px; }
.n-step-btn {
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    width: 28px; height: 24px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex; align-items: center; justify-content: center;
}
.n-step-btn:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.n-max-info { font-size: 0.8rem; color: var(--text-secondary); }
.n-error-msg {
    font-size: 0.75rem;
    color: #dc2626;
    display: none;
}
.n-error-msg.show { display: block; }

/* ── MODAL ERRORES ── */
.error-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.error-option {
    background: transparent;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: all 0.18s;
    color: var(--text-primary);
}
.error-option-file { cursor: pointer; }
#errorFileInput { display: none; }
.error-option:hover {
    border-color: var(--brand-blue);
    background: rgba(0,92,138,0.05);
}
.error-option-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.error-option-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── BOTONES MODAL ── */
.modal-footer {
    display: flex;
    gap: 0.75rem;
}
.btn-modal-cancel {
    background: transparent;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: all 0.18s;
}
.btn-modal-cancel:hover { border-color: #dc2626; color: #dc2626; }
.btn-modal-start {
    flex: 1;
    background: var(--brand-blue);
    border: none;
    border-radius: 12px;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
    display: none;
}
.btn-modal-start.show { display: block; }
.btn-modal-start:hover { opacity: 0.9; box-shadow: 0 4px 16px rgba(0,92,138,0.3); }
.btn-modal-start:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── SELECTOR TIPO (aleatorio vs bloque) ── */
#tipoOptions { display: none; } /* el JS lo muestra con style.display */
.tipo-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.tipo-option {
    background: transparent;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
    width: 100%;
    transition: all 0.18s ease;
    color: var(--text-primary);
}
.tipo-option:hover { border-color: var(--brand-blue); background: rgba(0,92,138,0.05); }
.tipo-option.selected { border-color: var(--brand-blue); background: rgba(0,92,138,0.08); }
.tipo-option-icon {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: rgba(0,92,138,0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
    transition: background 0.18s;
}
.tipo-option:hover .tipo-option-icon,
.tipo-option.selected .tipo-option-icon { background: var(--brand-blue); }
.tipo-option-name { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.tipo-option-desc { font-size: 0.8rem; color: var(--text-secondary); }

/* ── SELECTOR DE BLOQUE ── */
.bloque-selector {
    display: none;
    flex-direction: column;
    gap: 0.6rem;
    background: rgba(0,0,0,0.03);
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    animation: slideDown 0.2s ease;
}
[data-theme="dark"] .bloque-selector { background: rgba(255,255,255,0.04); }
.bloque-selector.show { display: flex; }
.bloque-selector-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.bloque-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    max-height: 180px;
    overflow-y: auto;
}
.bloque-btn {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.45rem 0.3rem;
    border-radius: 8px;
    border: 1.5px solid var(--card-border);
    background: var(--bg-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    line-height: 1.3;
}
.bloque-btn:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.bloque-btn.selected { border-color: var(--brand-blue); background: rgba(0,92,138,0.1); color: var(--brand-blue); }

/* ── TARJETA MODO ERRORES (estilo distinto) ── */
.card-errores {
    border: 1.5px dashed var(--card-border);
}
.card-errores:hover {
    border-color: var(--brand-blue);
    border-style: solid;
}
.card-errores .card-footer {
    color: var(--text-secondary);
}
.card-errores:hover .card-footer {
    color: var(--brand-blue);
}

/* Cursor pointer en todas las tarjetas */
.card { cursor: pointer; }