/*
 * Biolans Diagnóstico — Wizard Styles v2.2.0
 * Alineado con el brand Biolans
 * Tipografía: Montserrat (títulos) + Source Sans Pro (cuerpo)
 * ============================================================
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Source+Sans+3:wght@400;600&display=swap');

/* ── Variables ───────────────────────────────────────────────── */
.biolans-wizard {
    --navy:           #1B3A8C;
    --navy-dark:      #122970;
    --navy-light:     #2d50a8;
    --navy-alpha:     rgba(27, 58, 140, 0.07);
    --orange:         #E87722;
    --orange-dark:    #c9641a;
    --selected-bg:    #EEF2FB;
    --border-color:   #E2E6EF;
    --text:           #1a1a1a;
    --text-muted:     #6b7280;
    --bg:             #ffffff;

    /* Brand border-radius — cuadrado como el sitio */
    --radius-btn:     4px;
    --radius-card:    6px;
    --radius-input:   4px;

    --font-title:     'Montserrat', sans-serif;
    --font-body:      'Source Sans 3', 'Source Sans Pro', sans-serif;
    --transition:     0.18s ease;
}

/* ── Contenedor ──────────────────────────────────────────────── */
.biolans-wizard {
    max-width: 700px;
    margin: 0 auto;
    font-family: var(--font-body);
    color: var(--text);
    min-height: 480px;
    position: relative;
}

/* ── Barra de progreso ───────────────────────────────────────── */
.bw-progress-wrap {
    margin-bottom: 36px;
}

.bw-progress-bar {
    height: 3px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.bw-progress-fill {
    height: 100%;
    background: var(--navy);
    border-radius: 2px;
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    width: 0%;
}

.bw-progress-label {
    margin-top: 10px;
    font-size: 0.75rem;
    font-family: var(--font-body);
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    letter-spacing: 0.02em;
}

.bw-progress-label strong {
    color: var(--navy);
    font-weight: 600;
}

/* ── Animaciones de paso ─────────────────────────────────────── */
.bw-step {
    animation: bw-slide-in 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.bw-step--back {
    animation: bw-slide-in-back 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes bw-slide-in {
    from { opacity: 0; transform: translateX(28px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes bw-slide-in-back {
    from { opacity: 0; transform: translateX(-28px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ── Número de pregunta ──────────────────────────────────────── */
.bw-step-num {
    font-family: var(--font-title);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--navy);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    opacity: 0.6;
}

/* ── Pregunta ────────────────────────────────────────────────── */
.bw-question {
    font-family: var(--font-title);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.bw-hint {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 22px;
}

/* ── Campo de texto ──────────────────────────────────────────── */
.bw-text-wrap {
    margin-bottom: 28px;
}

.bw-input {
    width: 100%;
    border: none;
    border-bottom: 2px solid var(--navy);
    background: transparent;
    font-family: var(--font-body);
    font-size: 1.2rem;
    padding: 10px 0;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition);
    box-sizing: border-box;
}

.bw-input::placeholder {
    color: #c8cdd8;
}

.bw-input:focus {
    border-bottom-color: var(--orange);
}

/* ── Opciones estándar (radio / checkbox) ────────────────────── */
.bw-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 28px;
}

.bw-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-card);
    cursor: pointer;
    background: var(--bg);
    transition:
        border-color var(--transition),
        background var(--transition),
        transform 0.1s ease;
    user-select: none;
}

.bw-option:hover {
    border-color: var(--navy-light);
    background: var(--navy-alpha);
    transform: translateX(2px);
}

.bw-option.bw-option--selected {
    border-color: var(--navy);
    background: var(--selected-bg);
    transform: translateX(2px);
}

.bw-option__key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    background: var(--navy);
    color: #fff;
    border-radius: var(--radius-btn);
    font-family: var(--font-title);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    transition: background var(--transition);
}

.bw-option--selected .bw-option__key {
    background: var(--navy-dark);
}

.bw-option__label {
    font-family: var(--font-body);
    font-size: 0.97rem;
    font-weight: 600;
    color: var(--text);
    transition: color var(--transition);
    flex: 1;
}

.bw-option--selected .bw-option__label {
    color: var(--navy);
}

.bw-option__check {
    margin-left: auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color var(--transition), background var(--transition);
}

.bw-option--selected .bw-option__check {
    border-color: var(--navy);
    background: var(--navy);
}

.bw-option__check svg {
    opacity: 0;
    transition: opacity 0.12s ease;
}

.bw-option--selected .bw-option__check svg {
    opacity: 1;
}

/* ── Image cards (tipo de cabello) ───────────────────────────── */
.bw-image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 28px;
}

.bw-image-card {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    cursor: pointer;
    background: #f7f8fc;
    transition:
        border-color var(--transition),
        transform 0.12s ease,
        box-shadow var(--transition);
    position: relative;
}

.bw-image-card:hover {
    border-color: var(--navy-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(27, 58, 140, 0.12);
}

.bw-image-card.bw-image-card--selected {
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(27, 58, 140, 0.15);
    transform: translateY(-2px);
}

.bw-image-card__img {
    width: 100%;
    aspect-ratio: 2 / 3;
    background-size: cover;
    background-position: center top;
    background-color: #e8ecf5;
    position: relative;
}

/* Overlay en selección */
.bw-image-card__img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(27, 58, 140, 0);
    transition: background var(--transition);
}

.bw-image-card--selected .bw-image-card__img::after {
    background: rgba(27, 58, 140, 0.12);
}

/* Badge de selección */
.bw-image-card__badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.bw-image-card--selected .bw-image-card__badge {
    opacity: 1;
    transform: scale(1);
}

.bw-image-card__footer {
    padding: 8px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border-top: 1px solid var(--border-color);
}

.bw-image-card__label {
    font-family: var(--font-title);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: color var(--transition);
}

.bw-image-card--selected .bw-image-card__label {
    color: var(--navy);
}

.bw-image-card__key {
    font-family: var(--font-title);
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--text-muted);
    background: #f0f2f8;
    padding: 2px 6px;
    border-radius: 3px;
    transition: background var(--transition), color var(--transition);
}

.bw-image-card--selected .bw-image-card__key {
    background: var(--navy);
    color: #fff;
}

/* ── Botones ─────────────────────────────────────────────────── */
.bw-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.bw-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-family: var(--font-title);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: none;
    cursor: pointer;
    transition:
        background var(--transition),
        transform 0.1s ease,
        box-shadow var(--transition);
}

.bw-btn--primary {
    background: var(--navy);
    color: #fff;
    box-shadow: 0 2px 8px rgba(27, 58, 140, 0.2);
}

.bw-btn--primary:hover {
    background: var(--navy-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(27, 58, 140, 0.28);
}

.bw-btn--primary:active { transform: translateY(0); }

.bw-btn--primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.bw-btn--back {
    background: transparent;
    color: var(--text-muted);
    padding: 12px 14px;
    box-shadow: none;
    font-size: 0.78rem;
}

.bw-btn--back:hover {
    color: var(--navy);
    background: var(--navy-alpha);
    transform: none;
}

.bw-btn--submit {
    background: var(--orange);
    color: #fff;
    box-shadow: 0 2px 8px rgba(232, 119, 34, 0.25);
}

.bw-btn--submit:hover {
    background: var(--orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(232, 119, 34, 0.35);
}

.bw-btn--submit:active { transform: translateY(0); }

/* ── Pantalla de bienvenida ───────────────────────────────────── */
.bw-welcome {
    text-align: center;
    padding: 0 0 32px;
    animation: bw-fade-up 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes bw-fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bw-welcome__banner {
    display: block;
    width: 100%;
    max-width: 960px;
    height: auto;
    border-radius: var(--radius-card);
    margin: 0 auto 28px;
    object-fit: cover;
}

.bw-welcome__title {
    font-family: var(--font-title);
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.bw-welcome__subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.65;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

.bw-welcome__cta {
    font-size: 0.85rem;
    padding: 14px 44px;
}

.bw-welcome__disclaimer {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-muted);
    opacity: 0.7;
    margin: 20px auto 0;
    max-width: 480px;
    line-height: 1.5;
}

/* ── Validación ──────────────────────────────────────────────── */
.bw-validation {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: #dc2626;
    margin-top: -16px;
    margin-bottom: 12px;
}

/* ── Resultado wrap ──────────────────────────────────────────── */
.bw-result-wrap {
    animation: bw-fade-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 560px) {
    .bw-question { font-size: 1.1rem; }
    .bw-image-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .bw-image-card__label { font-size: 0.68rem; }
    .bw-btn { padding: 11px 20px; font-size: 0.78rem; }
    .bw-welcome__title { font-size: 1.35rem; }
    .bw-welcome__cta { padding: 13px 32px; }
}