/* =========================================
   TANGOFESTIVAL — PLAYLISTS CSS
   Mobile-first
   ========================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green: #7fcc00;
  --green-dark: #6ab300;
  --green-text: #2a4500;
  --black: #0a0a0a;
  --s1: #141414;
  --s2: #1c1c1c;
  --s3: #252525;
  --s4: #2e2e2e;
  --border: rgba(255, 255, 255, 0.08);
  --border-h: rgba(255, 255, 255, 0.15);
  --t1: #ffffff;
  --t2: rgba(255, 255, 255, 0.55);
  --t3: rgba(255, 255, 255, 0.28);
  --danger: #ff5c5c;
  --nav-h: 52px;
  --bottom-h: 60px;
  --font: 'DM Sans', sans-serif;
  --font-brand: 'Bebas Neue', sans-serif;
  --r: 10px;
  --r-lg: 14px;
  --t: 0.18s ease;
}

a {
  text-decoration: none;
  color: inherit;
}
button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
}

/* =========================================
   MAIN
   ========================================= */
.main {
  width: 90%;
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 14px calc(var(--bottom-h) + 24px);
}

/* =========================================
   PAGE HEADER
   ========================================= */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.page-header-left {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-title {
  font-size: 20px;
  font-weight: 500;
  color: var(--t1);
  letter-spacing: -0.3px;
}
.page-count {
  font-size: 12px;
  color: var(--t3);
}

/* Botón crear */
.btn-create {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--green);
  border: none;
  border-radius: var(--r);
  color: var(--green-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.btn-create:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(127, 204, 0, 0.25);
}
.btn-create:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-create--center {
  margin: 16px auto 0;
}

/* =========================================
   SKELETON
   ========================================= */
.skeleton-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.skeleton-list[hidden] {
  display: none;
}
.skeleton-list--songs {
  margin-top: 4px;
}
.skeleton-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 10px;
  border-radius: var(--r);
}
@keyframes shimmer {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.65;
  }
}
.sk-art {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--s3);
  flex-shrink: 0;
  animation: shimmer 1.4s ease-in-out infinite;
}
.sk-num {
  width: 16px;
  height: 10px;
  border-radius: 3px;
  background: var(--s3);
  flex-shrink: 0;
  animation: shimmer 1.4s ease-in-out infinite;
}
.sk-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sk-title {
  height: 12px;
  border-radius: 3px;
  background: var(--s3);
  width: 55%;
  animation: shimmer 1.4s ease-in-out infinite;
  animation-delay: 0.1s;
}
.sk-sub {
  height: 10px;
  border-radius: 3px;
  background: var(--s3);
  width: 30%;
  animation: shimmer 1.4s ease-in-out infinite;
  animation-delay: 0.2s;
}
.sk-dur {
  width: 28px;
  height: 10px;
  border-radius: 3px;
  background: var(--s3);
  flex-shrink: 0;
  animation: shimmer 1.4s ease-in-out infinite;
  animation-delay: 0.15s;
}

/* =========================================
   PLAYLIST LIST
   ========================================= */
.playlist-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.playlist-list[hidden] {
  display: none;
}

.pl-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r);
  cursor: pointer;
  border: 0.5px solid transparent;
  transition: background var(--t), border-color var(--t);
  animation: itemIn 0.22s ease both;
}
@keyframes itemIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.pl-item:hover {
  background: var(--s2);
  border-color: var(--border);
}
.pl-item:active {
  background: var(--s3);
}

.pl-art {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--s3);
  border: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--t3);
  transition: background var(--t);
}
.pl-item:hover .pl-art {
  background: var(--s4);
}

.pl-info {
  flex: 1;
  min-width: 0;
}
.pl-name {
  font-size: 14px;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.pl-count {
  font-size: 11px;
  color: var(--t3);
  margin-top: 2px;
}

.pl-arrow {
  color: var(--t3);
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(-3px);
  transition: opacity var(--t), transform var(--t);
}
.pl-item:hover .pl-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* =========================================
   EMPTY STATE
   ========================================= */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px 24px;
  text-align: center;
  gap: 10px;
}
.empty-state[hidden] {
  display: none;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--s2);
  border: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t3);
  margin-bottom: 6px;
}
.empty-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--t2);
}
.empty-sub {
  font-size: 13px;
  color: var(--t3);
  line-height: 1.6;
  max-width: 260px;
}

/* =========================================
   DETAIL VIEW
   ========================================= */
#viewDetail[hidden] {
  display: none;
}
#viewDetail {
  animation: viewIn 0.25s ease both;
}
@keyframes viewIn {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--t2);
  padding: 6px 0;
  transition: color var(--t);
}
.back-btn:hover {
  color: var(--t1);
}

.btn-delete {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 12px;
  color: rgba(255, 92, 92, 0.65);
  background: rgba(255, 92, 92, 0.06);
  border: 0.5px solid rgba(255, 92, 92, 0.18);
  border-radius: var(--r);
  transition: background var(--t), color var(--t), border-color var(--t);
}
.btn-delete:hover {
  background: rgba(255, 92, 92, 0.12);
  border-color: rgba(255, 92, 92, 0.35);
  color: var(--danger);
}

/* Hero del detalle */
.detail-hero {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  margin-bottom: 16px;
  background: var(--s2);
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
}
.detail-art {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--s3);
  border: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t3);
  flex-shrink: 0;
}
.detail-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.detail-name {
  font-size: 17px;
  font-weight: 500;
  color: var(--t1);
  letter-spacing: -0.2px;
}
.detail-count {
  font-size: 12px;
  color: var(--t3);
}
.detail-date {
  font-size: 11px;
  color: var(--t3);
}

/* Acciones del detalle */
.detail-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.detail-actions[hidden] {
  display: none;
}
.btn-play {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  background: var(--green);
  border: none;
  border-radius: var(--r);
  color: var(--green-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.btn-play:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(127, 204, 0, 0.25);
}
.btn-play:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Song list en detalle */
.song-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.song-list[hidden] {
  display: none;
}

.song-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r);
  cursor: pointer;
  border: 0.5px solid transparent;
  transition: background var(--t), border-color var(--t);
  animation: itemIn 0.22s ease both;
}
.song-item:hover {
  background: var(--s2);
  border-color: var(--border);
}
.song-item:active {
  background: var(--s3);
}

.song-num {
  font-size: 11px;
  color: var(--t3);
  width: 18px;
  text-align: right;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.song-info {
  flex: 1;
  min-width: 0;
}
.song-title {
  font-size: 13px;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.song-artist {
  font-size: 11px;
  color: var(--t3);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.song-dur {
  font-size: 11px;
  color: var(--t3);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* Playlist vacía (detalle) */
.empty-songs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px 24px;
  text-align: center;
  color: var(--t3);
}
.empty-songs[hidden] {
  display: none;
}
.empty-songs p {
  font-size: 14px;
  font-weight: 500;
  color: var(--t2);
}
.empty-songs span {
  font-size: 12px;
}

/* =========================================
   MODALES
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}
.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 400px;
  background: var(--s1);
  border: 0.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 24px 64px rgba(0, 0, 0, 0.7);
  transform: scale(0.94) translateY(12px);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.is-open .modal {
  transform: scale(1) translateY(0);
}
.modal--danger .modal-body {
  padding-top: 28px;
}

/* Modal header */
.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px 22px 0;
}
.modal-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--r);
  background: rgba(127, 204, 0, 0.1);
  border: 0.5px solid rgba(127, 204, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.modal-close {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t3);
  border: 0.5px solid transparent;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.modal-close:hover {
  background: var(--s2);
  border-color: var(--border);
  color: var(--t1);
}

.modal-body {
  padding: 18px 22px 24px;
}
.modal-body h2 {
  font-size: 17px;
  font-weight: 500;
  color: var(--t1);
  margin-bottom: 5px;
  letter-spacing: -0.2px;
}
.modal-body > p {
  font-size: 13px;
  color: var(--t2);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Delete icon */
.delete-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 92, 92, 0.08);
  border: 0.5px solid rgba(255, 92, 92, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

/* Field */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.field-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--t2);
}
.input-wrap {
  position: relative;
}
.input-wrap input {
  width: 100%;
  height: 42px;
  padding: 0 48px 0 14px;
  background: var(--s2);
  border: 0.5px solid var(--border);
  border-radius: var(--r);
  font-family: var(--font);
  font-size: 14px;
  color: var(--t1);
  outline: none;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.input-wrap input::placeholder {
  color: var(--t3);
}
.input-wrap input:hover {
  border-color: var(--border-h);
}
.input-wrap input:focus {
  border-color: rgba(127, 204, 0, 0.45);
  background: var(--s3);
  box-shadow: 0 0 0 3px rgba(127, 204, 0, 0.1);
}
.input-wrap input.is-error {
  border-color: rgba(255, 92, 92, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 92, 92, 0.1);
}
.char-count {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--t3);
  pointer-events: none;
}
.field-error {
  font-size: 12px;
  color: var(--danger);
  font-weight: 500;
  min-height: 16px;
}
.field-error:empty {
  display: none;
}

/* Modal actions */
.modal-actions {
  display: flex;
  gap: 10px;
}
.btn-cancel {
  flex: 1;
  padding: 11px;
  background: transparent;
  border: 0.5px solid var(--border);
  border-radius: var(--r);
  color: var(--t2);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.btn-cancel:hover {
  background: var(--s2);
  border-color: var(--border-h);
  color: var(--t1);
}

.btn-save {
  flex: 1.4;
  padding: 11px;
  background: var(--green);
  border: none;
  border-radius: var(--r);
  color: var(--green-text);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background var(--t), transform var(--t), box-shadow var(--t),
    opacity var(--t);
}
.btn-save:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(127, 204, 0, 0.28);
}
.btn-save:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-save:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-danger {
  flex: 1.4;
  padding: 11px;
  background: var(--danger);
  border: none;
  border-radius: var(--r);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background var(--t), transform var(--t), opacity var(--t);
}
.btn-danger:hover {
  background: #e04848;
  transform: translateY(-1px);
}
.btn-danger:active {
  transform: translateY(0);
}
.btn-danger:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-spinner {
  display: flex;
  align-items: center;
}
.btn-spinner[hidden] {
  display: none;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.spin {
  animation: spin 0.75s linear infinite;
}

/* autofill */
input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px #1c1c1c inset;
  -webkit-text-fill-color: #fff;
}

/* scrollbar */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--s3);
  border-radius: 2px;
}

body.modal-open {
  overflow: hidden;
}

/* responsive */
@media (min-width: 480px) {
  .main {
    padding: 24px 20px calc(var(--bottom-h) + 28px);
  }
}
@media (min-width: 768px) {
  .main {
    padding: 28px 32px calc(var(--bottom-h) + 28px);
  }
  .user-email {
    max-width: 200px;
  }
}