* { box-sizing: border-box; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body, 'Inter', sans-serif);
    margin: 0;
}

.pe-wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 140px 24px 100px;
}

.pe-hero { text-align: center; margin-bottom: 44px; }

.pe-eyebrow {
    display: inline-block;
    color: var(--cyan);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.pe-hero h1 {
    font-size: 2.6rem;
    margin: 0 0 18px;
    color: var(--white);
}

.pe-lead {
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto 24px;
}

.pe-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 22px;
    color: var(--text);
    font-size: .92rem;
}

.pe-features li { position: relative; padding-left: 20px; }

.pe-features li::before {
    content: "✓";
    color: var(--cyan);
    position: absolute;
    left: 0;
    font-weight: 700;
}

.pe-limite {
    color: var(--text-soft);
    font-size: .9rem;
}

.pe-limite strong { color: var(--cyan-soft); }

.pe-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
}

.pe-card-procesando { opacity: .7; pointer-events: none; }

.pe-drop {
    position: relative;
    border: 2px dashed var(--border);
    border-radius: var(--radius-small);
    padding: 40px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.pe-drop-hover { border-color: var(--cyan); background: var(--glass); }

.pe-drop input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.pe-drop-texto { display: flex; flex-direction: column; gap: 6px; pointer-events: none; }

.pe-drop-texto strong { color: var(--white); font-size: 1rem; }

.pe-drop-texto span { color: var(--text-soft); font-size: .85rem; }

.pe-paginas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.pe-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-size: .92rem;
    cursor: pointer;
}

.pe-radio input { accent-color: var(--cyan); }

#pe-paginas-input {
    flex: 1;
    min-width: 160px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--white);
    font-size: .92rem;
}

#pe-paginas-input:disabled { opacity: .4; }

#pe-submit { width: 100%; justify-content: center; }

.pe-estado[hidden] { display: none; }

.pe-estado {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 18px;
    background: var(--glass);
    border-radius: var(--radius-small);
}

.pe-spinner {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border: 3px solid var(--border);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: pe-spin 0.8s linear infinite;
}

@keyframes pe-spin { to { transform: rotate(360deg); } }

.pe-estado p { margin: 0; color: var(--text-soft); font-size: .9rem; }

.pe-error {
    margin-top: 20px;
    padding: 14px 18px;
    background: rgba(255, 90, 90, .08);
    border: 1px solid rgba(255, 90, 90, .3);
    border-radius: var(--radius-small);
    color: #ff8f8f;
    font-size: .9rem;
}

.pe-resultado { text-align: center; }

.pe-resultado-ok { color: var(--cyan-soft); font-weight: 600; margin-bottom: 20px; }

.pe-descargas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 18px;
}

.pe-btn-secundario {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    text-decoration: none;
    font-size: .9rem;
    cursor: pointer;
    background: transparent;
    transition: var(--transition);
}

.pe-btn-secundario:hover { border-color: var(--cyan); color: var(--cyan-soft); }

.pe-como { margin-top: 70px; }

.pe-como h2 { text-align: center; color: var(--white); margin-bottom: 30px; }

.pe-pasos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 26px;
}

.pe-paso {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    padding: 20px 16px;
}

.pe-paso span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--glass-strong);
    color: var(--cyan);
    font-weight: 700;
    font-size: .85rem;
    margin-bottom: 10px;
}

.pe-paso p { margin: 0; color: var(--text-soft); font-size: .85rem; line-height: 1.5; }

.pe-nota {
    color: var(--text-soft);
    font-size: .82rem;
    line-height: 1.6;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

@media (max-width: 760px) {
    .pe-wrap { padding-top: 110px; }
    .pe-hero h1 { font-size: 2rem; }
    .pe-card { padding: 24px 18px; }
    .pe-pasos { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .pe-pasos { grid-template-columns: 1fr; }
}