/* ============================================================
   SPA BOOKING — Public CSS  (Tema claro)
   Modal multi-paso, calendario, pricing table, animaciones
   Autor: Eric Menjivar
   ============================================================ */

/* Forzar siempre modo claro en el plugin */
.spa-modal-overlay,
.spa-modal,
.spa-pricing-table,
.spa-booking-widget,
.spa-plan-card,
.spa-book-btn {
    color-scheme: light;
}

:root {
    --spa-primary:       #6C63FF;
    --spa-primary-dark:  #5a52e0;
    --spa-primary-light: rgba(108,99,255,.10);
    --spa-secondary:     #C2A25A;
    --spa-success:       #22c55e;
    --spa-danger:        #ef4444;
    --spa-text:          #1e293b;
    --spa-text-muted:    #64748b;
    --spa-border:        #e2e8f0;
    --spa-bg:            #f8fafc;
    --spa-white:         #ffffff;
    --spa-radius:        16px;
    --spa-radius-sm:     10px;
    --spa-shadow-modal:  0 24px 80px rgba(0,0,0,.18);
    --spa-transition:    .22s cubic-bezier(.4,0,.2,1);
    --spa-modal-width:   540px;
}

/* ============================================================
   OVERLAY & MODAL BASE
   ============================================================ */

.spa-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.50);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 999990;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity var(--spa-transition);
}
.spa-modal-overlay:not([hidden]) { opacity: 1; }
.spa-modal-overlay[hidden] { display: none !important; }

.spa-modal {
    background: #ffffff;
    color: #1e293b;
    border-radius: var(--spa-radius);
    width: 100%;
    max-width: var(--spa-modal-width);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--spa-shadow-modal);
    overflow: hidden;
    transform: translateY(24px) scale(.96);
    transition: transform var(--spa-transition);
    position: relative;
}
.spa-modal-overlay:not([hidden]) .spa-modal {
    transform: translateY(0) scale(1);
}

/* ============================================================
   MODAL HEADER
   ============================================================ */

.spa-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--spa-primary) 0%, var(--spa-primary-dark) 100%);
    flex-shrink: 0;
}

.spa-modal__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    color: #ffffff;
}
.spa-modal__brand-icon { font-size: 20px; }

.spa-modal__close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: background var(--spa-transition);
    flex-shrink: 0;
}
.spa-modal__close:hover { background: rgba(255,255,255,.35); }

/* ============================================================
   STEP PROGRESS BAR
   ============================================================ */

.spa-modal__steps {
    display: flex;
    align-items: center;
    padding: 14px 24px;
    background: #ffffff;
    border-bottom: 1px solid var(--spa-border);
    flex-shrink: 0;
}

.spa-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.spa-step__dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f1f5f9;
    border: 2px solid var(--spa-border);
    color: var(--spa-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    transition: all var(--spa-transition);
}
.spa-step.is-active .spa-step__dot {
    background: var(--spa-primary);
    border-color: var(--spa-primary);
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 0 0 4px var(--spa-primary-light);
}
.spa-step.is-done .spa-step__dot {
    background: var(--spa-success);
    border-color: var(--spa-success);
    color: #ffffff;
}
.spa-step.is-done .spa-step__dot span::before { content: "✓"; }

.spa-step__label {
    font-size: 10px;
    font-weight: 700;
    color: var(--spa-text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    white-space: nowrap;
}
.spa-step.is-active .spa-step__label { color: var(--spa-primary); }
.spa-step.is-done .spa-step__label   { color: var(--spa-success); }

.spa-step__connector {
    flex: 1;
    height: 2px;
    background: var(--spa-border);
    margin: 0 6px;
    margin-bottom: 14px;
    transition: background var(--spa-transition);
}
.spa-step__connector.is-done { background: var(--spa-success); }

/* ============================================================
   MODAL STEP TITLE & SUMMARY
   ============================================================ */

.spa-modal__step-title {
    padding: 16px 24px 0;
    flex-shrink: 0;
    background: #ffffff;
}

.spa-modal__title {
    font-size: 18px;
    font-weight: 800;
    color: var(--spa-text);
    margin: 0 0 8px;
}

.spa-modal__summary {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.spa-summary-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--spa-primary-light);
    color: var(--spa-primary);
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

/* ============================================================
   MODAL BODY
   ============================================================ */

.spa-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
    overscroll-behavior: contain;
    min-height: 200px;
    background: #ffffff;
}
.spa-modal__body::-webkit-scrollbar { width: 4px; }
.spa-modal__body::-webkit-scrollbar-track { background: transparent; }
.spa-modal__body::-webkit-scrollbar-thumb { background: var(--spa-border); border-radius: 4px; }

/* ============================================================
   LOADER / SPINNER
   ============================================================ */

.spa-modal__loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 48px;
    color: var(--spa-text-muted);
    font-size: 13px;
}
.spa-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--spa-border);
    border-top-color: var(--spa-primary);
    border-radius: 50%;
    animation: spa-spin .7s linear infinite;
}
@keyframes spa-spin { to { transform: rotate(360deg); } }

/* ============================================================
   PASO 1: PLANES
   ============================================================ */

.spa-step-plans { display: grid; grid-template-columns: 1fr; gap: 10px; }

.spa-plan-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 2px solid var(--spa-border);
    border-radius: var(--spa-radius-sm);
    cursor: pointer;
    transition: all var(--spa-transition);
    background: #ffffff;
    position: relative;
    overflow: hidden;
}
.spa-plan-option::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--plan-color, var(--spa-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--spa-transition);
}
.spa-plan-option:hover,
.spa-plan-option.is-selected {
    border-color: var(--plan-color, var(--spa-primary));
    background: rgba(108,99,255,.04);
}
.spa-plan-option.is-selected::before { transform: scaleX(1); }

.spa-plan-option__color-dot {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--plan-color, var(--spa-primary));
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 14px;
}
.spa-plan-option__info { flex: 1; min-width: 0; }
.spa-plan-option__name { font-weight: 700; font-size: 14px; color: var(--spa-text); margin-bottom: 2px; }
.spa-plan-option__meta { font-size: 12px; color: var(--spa-text-muted); display: flex; align-items: center; gap: 8px; }
.spa-plan-option__price { font-size: 18px; font-weight: 800; color: var(--plan-color, var(--spa-primary)); flex-shrink: 0; }
.spa-plan-option__check {
    width: 20px; height: 20px;
    border: 2px solid var(--spa-border);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--spa-transition);
}
.spa-plan-option.is-selected .spa-plan-option__check {
    background: var(--plan-color, var(--spa-primary));
    border-color: var(--plan-color, var(--spa-primary));
    color: #ffffff;
}

/* ============================================================
   PASO 2: CALENDARIO
   ============================================================ */

.spa-calendar { user-select: none; }
.spa-calendar__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.spa-calendar__month { font-size: 15px; font-weight: 700; color: var(--spa-text); }
.spa-calendar__nav-btn {
    width: 32px; height: 32px;
    border: 1.5px solid var(--spa-border);
    border-radius: var(--spa-radius-sm);
    background: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--spa-text-muted);
    transition: all var(--spa-transition);
}
.spa-calendar__nav-btn:hover:not(:disabled) {
    background: var(--spa-primary);
    border-color: var(--spa-primary);
    color: #ffffff;
}
.spa-calendar__nav-btn:disabled { opacity: .35; cursor: not-allowed; }

.spa-calendar__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.spa-calendar__weekday {
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--spa-text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: 6px 0;
}
.spa-calendar__day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: default;
    transition: all var(--spa-transition);
    position: relative;
    color: var(--spa-text);
}
.spa-calendar__day--available {
    cursor: pointer;
    font-weight: 700;
    color: var(--spa-text);
    background: rgba(108,99,255,.06);
}
.spa-calendar__day--available:hover {
    background: var(--spa-primary-light);
    color: var(--spa-primary);
}
.spa-calendar__day--available::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--spa-primary);
}
.spa-calendar__day--selected {
    background: var(--spa-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(108,99,255,.35);
}
.spa-calendar__day--selected::after { background: rgba(255,255,255,.6) !important; }
.spa-calendar__day--today {
    border: 2px solid var(--spa-primary);
    color: var(--spa-primary);
    font-weight: 700;
}
.spa-calendar__day--empty,
.spa-calendar__day--past,
.spa-calendar__day--unavailable {
    color: #cbd5e1;
    pointer-events: none;
}
.spa-calendar__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    color: var(--spa-text-muted);
    font-size: 13px;
    gap: 8px;
}

/* ============================================================
   PASO 3: SLOTS
   ============================================================ */

.spa-slots-section { margin-bottom: 20px; }
.spa-slots-section__title {
    font-size: 11px;
    font-weight: 700;
    color: var(--spa-text-muted);
    text-transform: uppercase;
    letter-spacing: .6px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--spa-border);
}
.spa-slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; }

.spa-slot {
    padding: 10px 6px;
    border: 2px solid var(--spa-border);
    border-radius: var(--spa-radius-sm);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--spa-text);
    cursor: pointer;
    transition: all var(--spa-transition);
    background: #ffffff;
}
.spa-slot:hover { border-color: var(--spa-primary); color: var(--spa-primary); background: var(--spa-primary-light); }
.spa-slot.is-selected {
    background: var(--spa-primary);
    border-color: var(--spa-primary);
    color: #ffffff;
    transform: scale(1.04);
    box-shadow: 0 4px 12px rgba(108,99,255,.30);
}
.spa-no-slots { text-align: center; padding: 32px 16px; color: var(--spa-text-muted); font-size: 14px; }
.spa-no-slots svg { display: block; margin: 0 auto 10px; opacity: .35; }

/* ============================================================
   PASO 4: HABITACIONES
   ============================================================ */

.spa-rooms-list { display: grid; gap: 10px; }
.spa-room-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 2px solid var(--spa-border);
    border-radius: var(--spa-radius-sm);
    cursor: pointer;
    transition: all var(--spa-transition);
    background: #ffffff;
}
.spa-room-option:hover,
.spa-room-option.is-selected {
    border-color: var(--spa-primary);
    background: var(--spa-primary-light);
}
.spa-room-option__color {
    width: 40px; height: 40px;
    border-radius: var(--spa-radius-sm);
    background: var(--room-color, var(--spa-primary));
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 18px;
}
.spa-room-option__info { flex: 1; }
.spa-room-option__name { font-weight: 700; font-size: 14px; color: var(--spa-text); }
.spa-room-option__meta { font-size: 12px; color: var(--spa-text-muted); margin-top: 2px; }

/* ============================================================
   PASO 5: FORMULARIO
   ============================================================ */

.spa-booking-form { display: flex; flex-direction: column; gap: 12px; }
.spa-field-row { display: grid; gap: 12px; }
.spa-field-row.w-full  { grid-template-columns: 1fr; }
.spa-field-row.w-half  { grid-template-columns: 1fr 1fr; }
.spa-field-row.w-third { grid-template-columns: 1fr 1fr 1fr; }

.spa-field { display: flex; flex-direction: column; gap: 5px; }
.spa-field__label { font-size: 13px; font-weight: 600; color: var(--spa-text); }
.spa-field__label .spa-required { color: var(--spa-danger); margin-left: 2px; }

.spa-field input,
.spa-field select,
.spa-field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--spa-border);
    border-radius: var(--spa-radius-sm);
    font-size: 14px;
    color: var(--spa-text);
    background: #ffffff;
    transition: border-color var(--spa-transition), box-shadow var(--spa-transition);
    box-sizing: border-box;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
}
.spa-field input:focus,
.spa-field select:focus,
.spa-field textarea:focus {
    border-color: var(--spa-primary);
    outline: none;
    box-shadow: 0 0 0 3px var(--spa-primary-light);
}
.spa-field input.is-error,
.spa-field select.is-error,
.spa-field textarea.is-error {
    border-color: var(--spa-danger);
    box-shadow: 0 0 0 3px rgba(239,68,68,.10);
}
.spa-field textarea { min-height: 80px; resize: vertical; }
.spa-field__error { font-size: 12px; color: var(--spa-danger); display: none; }
.spa-field.has-error .spa-field__error { display: block; }

.spa-field-heading { font-size: 14px; font-weight: 700; color: var(--spa-text); margin: 8px 0 4px; }
.spa-field-paragraph { font-size: 13px; color: var(--spa-text-muted); margin: 0 0 4px; }
.spa-field-divider { border: none; border-top: 1px solid var(--spa-border); margin: 8px 0; }

.spa-options-list { display: flex; flex-direction: column; gap: 6px; }
.spa-options-list.is-inline { flex-direction: row; flex-wrap: wrap; }
.spa-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--spa-radius-sm);
    transition: background var(--spa-transition);
}
.spa-option:hover { background: var(--spa-bg); }
.spa-option input { width: 16px; height: 16px; accent-color: var(--spa-primary); cursor: pointer; }
.spa-option__label { font-size: 14px; color: var(--spa-text); }

/* ============================================================
   CONFIRMACIÓN
   ============================================================ */

.spa-booking-confirmed { text-align: center; padding: 24px 0; }
.spa-confirmed__icon {
    width: 72px; height: 72px;
    background: #dcfce7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    animation: spa-pop .4s cubic-bezier(.175,.885,.32,1.275);
}
@keyframes spa-pop {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}
.spa-confirmed__icon svg { color: var(--spa-success); }
.spa-confirmed__title { font-size: 20px; font-weight: 800; color: var(--spa-text); margin-bottom: 8px; }
.spa-confirmed__subtitle { font-size: 14px; color: var(--spa-text-muted); margin-bottom: 24px; }
.spa-confirmed__details {
    background: var(--spa-bg);
    border: 1px solid var(--spa-border);
    border-radius: var(--spa-radius-sm);
    padding: 16px;
    text-align: left;
}
.spa-confirmed__detail-row {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--spa-border);
}
.spa-confirmed__detail-row:last-child { border-bottom: none; }
.spa-confirmed__detail-row .label { color: var(--spa-text-muted); }
.spa-confirmed__detail-row .value { font-weight: 600; color: var(--spa-text); }
.spa-confirmed__ref {
    display: inline-block;
    background: var(--spa-primary-light);
    color: var(--spa-primary);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    margin-top: 16px;
    letter-spacing: .5px;
}

/* ============================================================
   MODAL FOOTER
   ============================================================ */

.spa-modal__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-top: 1px solid var(--spa-border);
    background: var(--spa-bg);
    flex-shrink: 0;
}
.spa-modal__footer-right { display: flex; gap: 10px; }

/* ============================================================
   BOTONES DEL MODAL
   ============================================================ */

.spa-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: 2px solid transparent;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--spa-transition);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
    font-family: inherit;
}
.spa-btn--primary {
    background: var(--spa-primary);
    color: #ffffff;
    border-color: var(--spa-primary);
    box-shadow: 0 2px 6px rgba(108,99,255,.25);
}
.spa-btn--primary:hover {
    background: var(--spa-primary-dark);
    border-color: var(--spa-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(108,99,255,.35);
}
.spa-btn--ghost {
    background: #ffffff;
    color: var(--spa-text-muted);
    border-color: var(--spa-border);
}
.spa-btn--ghost:hover {
    background: var(--spa-bg);
    color: var(--spa-text);
    border-color: #94a3b8;
}
.spa-btn--confirm {
    background: var(--spa-success);
    color: #ffffff;
    border-color: var(--spa-success);
}
.spa-btn--confirm:hover { background: #16a34a; border-color: #16a34a; }
.spa-btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ============================================================
   BOOK BUTTON (abre el modal)
   ============================================================ */

.spa-book-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-primary-dark));
    color: #ffffff;
    border: none;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--spa-transition);
    font-family: inherit;
    box-shadow: 0 4px 14px rgba(108,99,255,.30);
}
.spa-book-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108,99,255,.40);
}
.spa-book-btn--small { padding: 8px 18px; font-size: 13px; }
.spa-book-btn--large { padding: 16px 36px; font-size: 17px; }

/* ============================================================
   PRICING TABLE
   ============================================================ */

.spa-pricing-table {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, 1fr);
}
.spa-pricing-table--cols-1 { grid-template-columns: 1fr; }
.spa-pricing-table--cols-2 { grid-template-columns: repeat(2, 1fr); }
.spa-pricing-table--cols-3 { grid-template-columns: repeat(3, 1fr); }
.spa-pricing-table--cols-4 { grid-template-columns: repeat(4, 1fr); }

.spa-plan-card {
    background: #ffffff;
    border: 1.5px solid var(--spa-border);
    border-radius: var(--spa-radius);
    overflow: hidden;
    transition: transform var(--spa-transition), box-shadow var(--spa-transition);
    position: relative;
    display: flex;
    flex-direction: column;
    color: var(--spa-text);
}
.spa-plan-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,.10);
}
.spa-plan-card--featured {
    border-color: var(--plan-color, var(--spa-primary));
    box-shadow: 0 8px 32px rgba(108,99,255,.15);
    transform: scale(1.02);
}
.spa-plan-card--featured:hover { transform: scale(1.02) translateY(-4px); }

.spa-plan-card__accent { height: 5px; background: var(--plan-color, var(--spa-primary)); }

.spa-plan-card__badge {
    position: absolute;
    top: 20px; right: -1px;
    background: var(--plan-color, var(--spa-primary));
    color: #ffffff;
    padding: 4px 12px 4px 10px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 4px 0 0 4px;
    letter-spacing: .5px;
    text-transform: uppercase;
}

.spa-plan-card__body { padding: 20px; flex: 1; }
.spa-plan-card__name { font-size: 17px; font-weight: 800; color: var(--spa-text); margin: 0 0 12px; }
.spa-plan-card__pricing {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.spa-plan-card__price { font-size: 32px; font-weight: 900; color: var(--plan-color, var(--spa-primary)); line-height: 1; }
.spa-plan-card__price-original { font-size: 16px; text-decoration: line-through; color: var(--spa-text-muted); }
.spa-plan-card__per { font-size: 12px; color: var(--spa-text-muted); align-self: flex-end; padding-bottom: 2px; }
.spa-plan-card__duration {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--spa-text-muted);
    margin-bottom: 10px;
    font-weight: 500;
}
.spa-plan-card__desc { font-size: 13px; color: var(--spa-text-muted); line-height: 1.6; margin: 0; }
.spa-plan-card__footer { padding: 0 20px 20px; }
.spa-plan-cta {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--plan-color, var(--spa-primary));
    color: #ffffff;
    border: none;
    border-radius: var(--spa-radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--spa-transition);
    font-family: inherit;
}
.spa-plan-cta:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,0,0,.15);
}

/* ============================================================
   TRANSICIONES ENTRE PASOS
   ============================================================ */

@keyframes spa-slide-in {
    from { opacity: 0; transform: translateX(18px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes spa-slide-back {
    from { opacity: 0; transform: translateX(-18px); }
    to   { opacity: 1; transform: translateX(0); }
}
.spa-step-enter      { animation: spa-slide-in .25s ease forwards; }
.spa-step-enter-back { animation: spa-slide-back .25s ease forwards; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 600px) {
    .spa-modal { border-radius: var(--spa-radius) var(--spa-radius) 0 0; max-height: 92vh; }
    .spa-modal-overlay { align-items: flex-end; padding: 0; }
    .spa-pricing-table,
    .spa-pricing-table--cols-2,
    .spa-pricing-table--cols-3,
    .spa-pricing-table--cols-4 { grid-template-columns: 1fr; }
    .spa-plan-card--featured { transform: none; }
    .spa-slots-grid { grid-template-columns: repeat(3, 1fr); }
    .spa-field-row.w-half,
    .spa-field-row.w-third { grid-template-columns: 1fr; }
    .spa-modal__steps { padding: 10px 16px; }
    .spa-step__label { display: none; }
    .spa-modal__body { padding: 12px 16px; }
    .spa-modal__footer { padding: 12px 16px; }
}