/* ============================================================
   Invitarte - Playlist (vista pública)
   Los colores llegan por invitación como variables CSS:
   --ia-c1, --ia-c2, --ia-c1-rgb, --ia-btn-txt, --ia-txt
   ============================================================ */

.ia-playlist,
.ia-playlist *,
.ia-modal,
.ia-modal * {
    box-sizing: border-box;
}

.ia-playlist,
.ia-modal {
    --ia-c1: #E91E63;
    --ia-c2: #C2185B;
    --ia-c1-rgb: 233, 30, 99;
    --ia-btn-txt: #FFFFFF;
    --ia-txt: #613813;
    --ia-txt-suave: #7d5a36;
    --ia-txt-suave: color-mix(in srgb, var(--ia-txt) 78%, #ffffff);
    --ia-degradado: linear-gradient(135deg, var(--ia-c1) 0%, var(--ia-c2) 100%);
}

.ia-playlist {
    font-family: 'Cormorant Garamond', serif;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 20px 40px 50px;
    text-align: center;
}

/* ---------- Consola flotante ---------- */
.ia-playlist .ia-image-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes iaFloat {
    0%   { transform: translateY(0); }
    50%  { transform: translateY(-20px); }
    100% { transform: translateY(0); }
}

.ia-playlist .ia-floating-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.15));
    animation: iaFloat 3s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    .ia-playlist .ia-floating-image { animation: none; }
}

/* ---------- Título ---------- */
.ia-playlist .ia-main-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 38px;
    font-weight: 700;
    color: var(--ia-txt);
    text-transform: uppercase;
    letter-spacing: 10px;
    margin: 20px 0 40px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ---------- Cajas de contenido ---------- */
.ia-playlist .ia-content-box {
    background: transparent;
    border: none;
    border-radius: 15px;
    padding: 35px 30px;
    margin: 0 auto 30px;
    max-width: 500px;
}

.ia-playlist .ia-box-lista { margin-top: 25px; }

.ia-playlist .ia-content-text {
    font-size: 20px;
    color: var(--ia-txt);
    font-weight: 400;
    line-height: 1.8;
    margin: 0;
}

.ia-playlist .ia-content-subtext {
    margin-top: 15px;
    font-size: 18px;
    color: var(--ia-txt-suave);
    line-height: 1.8;
}

.ia-playlist .ia-cerrado { font-style: italic; }

/* ---------- Botones ---------- */
.ia-playlist .ia-btn,
.ia-modal .ia-btn {
    background: var(--ia-degradado);
    color: var(--ia-btn-txt);
    border: none;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(var(--ia-c1-rgb), 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
    line-height: 1.2;
}

.ia-playlist .ia-btn:hover,
.ia-modal .ia-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(var(--ia-c1-rgb), 0.4);
    color: var(--ia-btn-txt);
    background: var(--ia-degradado);
}

.ia-playlist .ia-btn:active,
.ia-modal .ia-btn:active { transform: translateY(0); }

.ia-playlist .ia-btn:focus-visible,
.ia-modal .ia-btn:focus-visible {
    outline: 3px solid var(--ia-txt);
    outline-offset: 3px;
}

.ia-modal .ia-btn[disabled] { opacity: 0.6; cursor: wait; transform: none; }

.ia-playlist .ia-btn-recommend,
.ia-modal .ia-btn-recommend {
    padding: 18px 45px;
    font-size: 20px;
    margin-top: 25px;
}

.ia-playlist .ia-btn-toggle {
    padding: 15px 35px;
    font-size: 20px;
    margin-top: 15px;
    width: 100%;
}

.ia-playlist .ia-toggle-icon {
    display: inline-block;
    transition: transform 0.2s ease;
    font-size: 16px;
}

.ia-playlist .ia-toggle-icon.ia-rotated { transform: rotate(180deg); }

/* ---------- Sección colapsable ---------- */
.ia-playlist .ia-songs-section { display: none; }

.ia-playlist .ia-songs-section.ia-open {
    display: block;
    animation: iaExpand 0.25s ease-out;
}

.ia-playlist .ia-songs-accordion { margin-top: 20px; }

@keyframes iaExpand {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Acordeón ---------- */
.ia-playlist .ia-accordion-item {
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    text-align: left;
}

.ia-playlist .ia-accordion-item:hover {
    border-color: var(--ia-c1);
    box-shadow: 0 2px 10px rgba(var(--ia-c1-rgb), 0.1);
}

.ia-playlist .ia-accordion-header {
    background: linear-gradient(135deg, rgba(var(--ia-c1-rgb), 0.15) 0%, rgba(var(--ia-c1-rgb), 0.05) 100%);
    padding: 18px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s ease;
    width: 100%;
    border: none;
    border-radius: 0;
    font-family: 'Cormorant Garamond', serif;
    text-align: left;
    color: inherit;
}

.ia-playlist .ia-accordion-header:hover {
    background: linear-gradient(135deg, rgba(var(--ia-c1-rgb), 0.25) 0%, rgba(var(--ia-c1-rgb), 0.15) 100%);
}

.ia-playlist .ia-accordion-header.ia-active { background: var(--ia-degradado); }

.ia-playlist .ia-accordion-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--ia-txt);
    margin: 0;
    flex: 1;
    transition: color 0.2s ease;
    text-transform: none;
    letter-spacing: normal;
}

.ia-playlist .ia-accordion-header.ia-active .ia-accordion-title { color: var(--ia-btn-txt); }

.ia-playlist .ia-accordion-icon {
    font-size: 24px;
    color: var(--ia-c1);
    transition: transform 0.2s ease, color 0.2s ease;
    margin-left: 10px;
}

.ia-playlist .ia-accordion-header.ia-active .ia-accordion-icon {
    color: var(--ia-btn-txt);
    transform: rotate(180deg);
}

.ia-playlist .ia-accordion-content { display: none; padding: 20px; }

.ia-playlist .ia-accordion-content.ia-show {
    display: block;
    animation: iaSlideDown 0.2s ease-out;
}

@keyframes iaSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ia-playlist .ia-song-info {
    font-size: 18px;
    color: var(--ia-txt);
    line-height: 1.8;
}

.ia-playlist .ia-song-info p { margin: 0; }
.ia-playlist .ia-song-label { color: var(--ia-c1); font-weight: 700; }
.ia-playlist .ia-song-artist { margin-top: 8px !important; }

.ia-playlist .ia-song-reason {
    margin-top: 12px !important;
    font-style: italic;
    color: var(--ia-txt-suave);
}

.ia-playlist .ia-no-songs {
    text-align: center;
    color: var(--ia-txt-suave);
    font-size: 18px;
    font-style: italic;
    padding: 20px;
    line-height: 1.6;
}

/* ---------- Modal ---------- */
.ia-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    inset: 0;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    font-family: 'Cormorant Garamond', serif;
    padding: 20px 0;
}

.ia-modal.ia-show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: iaFadeIn 0.2s ease;
}

@keyframes iaFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.ia-modal-content {
    background: #fff;
    margin: auto;
    padding: 0;
    border: 3px solid var(--ia-c1);
    border-radius: 20px;
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 50px rgba(var(--ia-c1-rgb), 0.3);
    animation: iaSlideIn 0.2s ease;
}

@keyframes iaSlideIn {
    from { transform: translateY(-30px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

.ia-modal-header {
    background: var(--ia-degradado);
    padding: 20px 60px;
    color: var(--ia-btn-txt);
    position: relative;
    flex-shrink: 0;
}

.ia-modal-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 26px;
    font-weight: 700;
    margin: 0;
    text-align: center;
    letter-spacing: 2px;
    color: var(--ia-btn-txt);
    line-height: 1.2;
}

.ia-modal-close {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--ia-btn-txt);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease;
    line-height: 1;
    padding: 0;
}

.ia-modal-close:hover,
.ia-modal-close:focus {
    background: none;
    color: var(--ia-btn-txt);
    opacity: 0.75;
    transform: translateY(-50%) rotate(90deg);
}

.ia-modal-body {
    padding: 28px 30px 32px;
    overflow-y: auto;
    text-align: center;
}

/* ---------- Formulario ---------- */
.ia-modal .ia-form { margin: 0; text-align: left; }

.ia-modal .ia-field {
    display: block;
    margin: 0 0 18px;
}

.ia-modal .ia-field > span {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--ia-txt);
    margin-bottom: 6px;
}

.ia-modal .ia-field em { color: var(--ia-c1); font-style: normal; }

.ia-modal .ia-field input,
.ia-modal .ia-field textarea {
    width: 100%;
    font-family: 'Cormorant Garamond', serif;
    font-size: 18px;
    color: var(--ia-txt);
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 12px 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    resize: vertical;
    margin: 0;
}

.ia-modal .ia-field input:focus,
.ia-modal .ia-field textarea:focus {
    outline: none;
    border-color: var(--ia-c1);
    box-shadow: 0 0 0 3px rgba(var(--ia-c1-rgb), 0.15);
}

.ia-modal .ia-field.ia-invalido input { border-color: #d63638; }

.ia-modal .ia-hp {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.ia-modal .ia-form-msg {
    min-height: 1.4em;
    margin: 0;
    font-size: 17px;
    color: #b32d2e;
    text-align: center;
}

.ia-modal .ia-btn-enviar {
    display: block;
    width: 100%;
    margin-top: 10px;
}

.ia-modal .ia-gracias { padding: 10px 0; }
.ia-modal .ia-gracias[hidden],
.ia-modal .ia-form[hidden] { display: none; }

.ia-modal .ia-gracias-icono { font-size: 48px; line-height: 1; }

.ia-modal .ia-gracias p {
    font-size: 22px;
    color: var(--ia-txt);
    margin: 14px 0 0;
    line-height: 1.5;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .ia-playlist .ia-image-container { max-width: 400px; padding: 15px; }
    .ia-playlist .ia-floating-image  { max-width: 350px; }
}

@media (max-width: 600px) {
    .ia-playlist { padding: 20px 30px 40px; }
    .ia-playlist .ia-main-title { font-size: 28px; letter-spacing: 6px; margin-bottom: 35px; }
    .ia-playlist .ia-content-box { padding: 30px 25px; }
    .ia-playlist .ia-content-text { font-size: 18px; }
    .ia-playlist .ia-btn-recommend { padding: 15px 35px; font-size: 18px; }
    .ia-playlist .ia-btn-toggle { padding: 12px 30px; font-size: 18px; }
    .ia-playlist .ia-accordion-title { font-size: 17px; }
    .ia-playlist .ia-song-info { font-size: 16px; }
    .ia-modal-content { width: 95%; }
    .ia-modal-body { padding: 22px 20px 26px; }
}

@media (max-width: 480px) {
    .ia-playlist .ia-image-container { max-width: 320px; padding: 10px; }
    .ia-playlist .ia-floating-image  { max-width: 280px; }
}

@media (max-width: 400px) {
    .ia-playlist { padding: 15px 25px 35px; }
    .ia-playlist .ia-main-title { font-size: 22px; letter-spacing: 4px; }
    .ia-playlist .ia-content-box { padding: 25px 20px; }
    .ia-playlist .ia-content-text { font-size: 17px; }
    .ia-playlist .ia-btn-recommend { padding: 12px 30px; font-size: 16px; }
    .ia-playlist .ia-btn-toggle { padding: 10px 25px; font-size: 16px; }
    .ia-modal-title { font-size: 22px; }
}

@media (max-width: 360px) {
    .ia-playlist .ia-image-container { max-width: 280px; }
    .ia-playlist .ia-floating-image  { max-width: 240px; }
}