:root {
  --bg: #f5f7fb;
  --fg: #1b2236;
  --panel: #fff;
  --accent: #6946e7;
  --primary: #3e89fa;
  --border: #d9e0ef;
  --radius: 1.3rem;
  --shadow: 0 6px 32px #23253a13;
  --transition: .17s cubic-bezier(.46,.03,.52,.96);
}
.dark {
  --bg: #151923;
  --fg: #f3f8ff;
  --panel: #202334;
  --accent: #9b7bfd;
  --primary: #3e89fa;
  --border: #232535;
  --shadow: 0 4px 32px #181c2729;
}
html, body {
  min-height: 100vh;
  width: 100vw;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  font-size: 1.09rem;
  transition: background var(--transition), color var(--transition);
}
body {
  overflow-x: hidden;
}
header {
  width: 100vw;
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  background: var(--panel);
  box-shadow: 0 2px 24px #22253a12;
  border-bottom: 1.5px solid var(--border);
  padding: 0.6rem 1.1rem 0.6rem 1.2rem;
  justify-content: space-between; /* Alineación corregida */
}
.logo {
  width: 52px;
  height: 52px;
  margin-right: 1.4rem;
  filter: drop-shadow(0 3px 24px #6946e740);
}
h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0;
  color: var(--primary);
  letter-spacing: -2px;
  flex: 0 0 auto;  /* Para evitar que flex:1 expanda el título indebidamente */
  display: flex;
  align-items: center;
  gap: .7rem;
}
.pro-badge, .badge-pro {
  background: linear-gradient(90deg, #8d53fa 40%, #3e89fa 100%);
  color: #fff;
  font-size: 1.01rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.18em 0.85em 0.18em 0.7em;
  border-radius: 1em;
  margin-left: .12em;
  box-shadow: 0 2px 10px #6946e730;
  display: inline-block;
}
.badge-free {
  background: #c2fae0;
  color: #12ae6c;
  font-weight: 700;
  font-size: 0.97em;
  padding: 0.12em 0.7em;
  border-radius: 1em;
  margin-left: .18em;
  letter-spacing: .02em;
  box-shadow: 0 1px 6px #12ae6c11;
  display: inline-block;
}
#toggle-theme {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 2.15rem;
  cursor: pointer;
  margin-left: 2.4rem;
  margin-right: 1rem;  /* Espaciado ajustado antes del icono de usuario */
  border-radius: 1.5em;
  transition: background .12s, color .16s;
  padding: 0.09em 0.38em;
  align-self: flex-end;
  position: relative;
  left: 0;
  top: 0;
}
#toggle-theme:hover {
  background: #eee2;
  color: var(--primary);
}
main {
  width: 100vw;
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: linear-gradient(120deg, #f5f7fb 0%, #ecf3fc 100%);
  transition: background var(--transition);
}
body.dark main {
  background: linear-gradient(120deg, #181c27 0%, #22263a 100%);
}
.main-card {
  width: 100vw;
  max-width: 1100px;
  margin: 2.5rem auto 2.1rem auto;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.8rem 2.5vw 2.5rem 2.5vw;
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  border: 1.7px solid var(--border);
}
.input-panel, .output-panel {
  flex: 1 1 410px;
  min-width: 370px;
  max-width: 650px;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.input-panel label {
  font-size: 1.19rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
textarea#json-input {
  display: block;
  width: 100%;
  min-width: 100%;
  max-width: 100%;
  min-height: 320px;
  font-size: 1.22rem;
  background: #f6f9ff;
  color: #181c20;
  border-radius: 0.7rem;
  border: 1.7px solid var(--border);
  margin: 0 auto 0.8rem auto;
  resize: vertical;
  outline: none;
  padding: 1.1rem 1.3rem;
  box-sizing: border-box;
  font-family: 'Fira Mono', 'Consolas', monospace;
  font-weight: 500;
  transition: border .13s, box-shadow .15s, background .15s, color .15s;
}
body.dark textarea#json-input {
  background: #23253a !important;
  color: #fff !important;
  border: 1.7px solid #3e89fa;
}
textarea#json-input:focus {
  border: 1.7px solid var(--primary);
  box-shadow: 0 2px 16px #2e63e730;
}
body.dark textarea#json-input:focus {
  border: 1.7px solid #9b7bfd !important;
  box-shadow: 0 2px 16px #9b7bfd30 !important;
}
/* --- Casilla de validación automática --- */
.autovalidate-bar {
  margin: 0.8em 0 0.6em 0;
  font-size: 1.13em;
  font-weight: 600;
  color: var(--primary);
  background: #f5f8ff;
  border-radius: 0.7em;
  padding: 0.35em 1em 0.35em 0.7em;
  display: flex;
  align-items: center;
  gap: 0.8em;
}
body.dark .autovalidate-bar {
  background: #22263a;
  color: #9b7bfd;
}
.autovalidate-bar input[type="checkbox"] {
  width: 1.35em;
  height: 1.35em;
  accent-color: var(--primary);
  margin-right: 0.6em;
}
#btn-file {
  background: linear-gradient(90deg, #4f8be6 70%, #87f3bb 100%);
  color: #181c20;
  font-weight: 700;
  border: none;
  border-radius: 0.6em;
  padding: 0.45em 1.19em;
  font-size: 1.07rem;
  cursor: pointer;
  box-shadow: 0 1px 8px #4f8be610;
  margin-right: 0.8rem;
  transition: background .14s, color .13s;
}
#btn-file:hover {
  background: linear-gradient(90deg, #42d3a0 40%, #2e63e7 100%);
  color: #fff;
}
.controls, .pro-controls, .convert-controls, .tree-controls {
  margin-bottom: 0.12rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.controls button,
.convert-controls button {
  font-size: 1.08rem;
  font-weight: 600;
  border-radius: 0.62em;
  padding: 0.44em 1.35em;
  background: linear-gradient(90deg, var(--primary) 80%, var(--accent) 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 16px #3e89fa1c;
  transition: background .13s, color .13s, transform .09s;
  letter-spacing: 0.01em;
  margin-bottom: 0.04em;
  position: relative;
}
.convert-controls .badge-pro,
.output-tabs .badge-pro,
.pro-badge-btn .badge-pro {
  position: relative;
  top: -2px;
  left: 4px;
}
.convert-controls .badge-free {
  position: relative;
  top: -2px;
  left: 4px;
}
.controls button:hover,
.convert-controls button:hover {
  background: linear-gradient(90deg, var(--accent) 60%, var(--primary) 100%);
  color: #fff;
  transform: translateY(-1px) scale(1.03);
}
.controls select,
.convert-controls select {
  font-size: 1.04rem;
  font-weight: 700;
  padding: 0.45em 1.18em;
  border-radius: 0.6em;
  border: 2px solid #b8bbcf !important;
  background: #fff;
  color: #181c20;
  box-shadow: 0 1px 5px #0001;
  transition: border .13s;
}
body.dark .controls select,
body.dark .convert-controls select {
  background: #23253a !important;
  color: #f6faff !important;
  border: 2px solid #9b7bfd !important;
}
.controls select:focus,
.convert-controls select:focus {
  border: 2px solid var(--primary) !important;
}
#indent {
  background: #fff !important;
  color: #181c20 !important;
  font-weight: 700;
  border-radius: 0.62em;
}
body.dark #indent {
  background: #23253a !important;
  color: #fff !important;
}
.output-panel {
  min-height: 300px;
  gap: 0.6rem;
}
.output-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.12rem;
}
.output-tabs button {
  background: none;
  border: none;
  padding: 0.55em 1.1em;
  font-size: 1.09rem;
  font-weight: 700;
  border-radius: 0.55em 0.55em 0 0;
  color: var(--accent);
  cursor: pointer;
  border-bottom: 2.5px solid transparent;
  transition: background .11s, color .11s, border .14s;
  position: relative;
}
.output-tabs button.active {
  background: var(--panel);
  color: var(--primary);
  border-bottom: 2.5px solid var(--primary);
  z-index: 3;
}
.output-tabs button:hover {
  color: var(--primary);
  background: #e6f0fd88;
}
body.dark .output-tabs button:hover {
  background: #2e3a5c88;
}
.output-views {
  position: relative;
  width: 100%;
  min-height: 200px;
}
pre#json-output,
pre#converted-output {
  background: #181c27 !important;
  color: #fff !important;
  border-radius: 0.8rem;
  font-size: 1.11rem;
  font-family: 'Fira Mono', 'Consolas', monospace;
  margin: 0 0 1.05rem 0;
  overflow-x: auto;
  box-shadow: 0 2px 16px #23253a30;
  user-select: text;
  cursor: pointer;
  border: 1px solid #24283b;
  padding: 1.13rem 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 4px #000c;
  min-height: 150px;
  width: 100%;
  box-sizing: border-box;
}
#tree-output {
  font-family: 'Fira Mono', monospace;
  background: #fff;
  color: #222;
  border-radius: 0.7rem;
  padding: 1.08em 1.2em 1.3em 1.1em;
  border: 1px solid #d5dbe7;
  min-height: 140px;
  margin-bottom: .8em;
  font-size: 1.07rem;
  overflow-x: auto;
  word-break: break-word;
  box-sizing: border-box;
}
body.dark #tree-output {
  background: #21243a;
  color: #d8dbff;
  border: 1px solid #22263a;
}
.hidden {
  display: none !important;
}
.output-actions {
  display: flex;
  gap: 0.7rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}
.output-actions button {
  font-size: 1.07rem;
  padding: 0.42em 1.18em;
  font-weight: 700;
  border-radius: 0.55em;
  background: linear-gradient(90deg, var(--accent) 40%, var(--primary) 100%);
  color: #fff;
  border: none;
  box-shadow: 0 2px 12px #6946e710;
  transition: background .13s, transform .08s;
  cursor: pointer;
  position: relative;
}
.output-actions button:hover {
  background: linear-gradient(90deg, var(--primary) 10%, var(--accent) 100%);
  color: #fff;
  transform: scale(1.03);
}
@media (max-width: 700px) {
  .output-actions {
    flex-direction: column;
    gap: 0.6em;
    align-items: stretch;
    margin-top: 1.1em;
  }
}
#csv-table-panel {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin: 1.6rem 0 0.8rem 0;
  background: #f8faff;
  border-radius: 0.7rem;
  box-shadow: 0 1px 8px #3e89fa10;
  padding: 1.09rem 1.2rem;
  display: block;
  box-sizing: border-box;
}
body.dark #csv-table-panel {
  background: #1a2032;
  color: #f6faff;
}
#csv-table-panel table {
  table-layout: auto;
  width: max-content;
  min-width: 100%;
  max-width: 100vw;
  border-collapse: collapse;
  font-family: 'Fira Mono', 'Consolas', monospace;
  font-size: 1.08rem;
}
#csv-table-panel th,
#csv-table-panel td {
  border: 1.2px solid #d5dbe7;
  padding: 0.52em 0.95em;
  text-align: left;
  white-space: pre;
  max-width: 320px;
  overflow-x: auto;
  text-overflow: ellipsis;
}
#csv-table-panel th {
  background: #eaf2fe;
  color: #6946e7;
}
body.dark #csv-table-panel th {
  background: #262b44;
  color: #9b7bfd;
}
#csv-table-panel tr:nth-child(even) {
  background: #f4f7ff;
}
body.dark #csv-table-panel tr:nth-child(even) {
  background: #21253a;
}
/* Panel PRO (overlay de suscripción) */
#pro-panel {
  width: 100vw;
  background: rgba(20,24,36,0.82);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadein .3s;
}
.pro-card {
  max-width: 380px;
  background: var(--panel);
  border-radius: 1.35rem;
  box-shadow: 0 6px 36px #3e89fa44;
  border: 2.4px solid var(--primary);
  padding: 2.2rem 2.2rem 1.2rem 2.2rem;
  color: var(--fg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.3rem;
  animation: floatin .5s;
}
.pro-card h2 {
  color: var(--primary);
  font-size: 2.09rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
}
.pro-card ul {
  text-align: left;
  padding-left: 1.1em;
  margin: 1.1em 0 1em 0;
}
.pro-card li {
  margin-bottom: 0.5em;
  font-size: 1.08rem;
  position: relative;
  padding-left: 1.05em;
}
.pro-card li:before {
  content: "★";
  color: var(--primary);
  font-size: 1.09em;
  position: absolute;
  left: 0;
}
.pro-note {
  font-size: 0.99rem;
  color: #555;
  margin-top: 0.5rem;
}
#close-pro-panel {
  margin-top: 1.5em;
  padding: 0.53em 2.1em;
  font-size: 1.1rem;
  background: linear-gradient(90deg, #e54d4d 60%, #f6bc4d 100%);
  color: #fff;
  border-radius: 0.82em;
  border: none;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 2px 16px #e54d4d1c;
  cursor: pointer;
  transition: background .12s;
}
#close-pro-panel:hover {
  background: linear-gradient(90deg, #e54d4d 10%, #f6bc4d 90%);
  color: #fff;
}
@keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes floatin {
  from { transform: translateY(-40px) scale(.85); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
footer {
  width: 100vw;
  margin: 0;
  margin-top: 2.7rem;
  text-align: center;
  background: var(--panel);
  border-top: 1.5px solid var(--border);
  box-shadow: 0 -2px 22px #2e63e715;
  color: #555;
  font-size: 1.04rem;
  padding: 1.5rem 0;
}
@media (max-width: 1180px) {
  .main-card {
    flex-direction: column;
    gap: 2.5rem 0;
    padding: 2.8rem 0.6rem 2.5rem 0.6rem;
  }
  .input-panel, .output-panel {
    min-width: 96vw;
    max-width: 99vw;
  }
  textarea#json-input {
    min-width: 100%;
    max-width: 100vw;
  }
}
@media (max-width: 780px) {
  header, footer, main {
    max-width: 100vw;
    padding: 0;
  }
  .main-card {
    padding: 1.2rem 0.1rem;
  }
  h1 {
    font-size: 1.1rem;
  }
  .input-panel, .output-panel, #csv-table-panel {
    min-width: 99vw;
    max-width: 99vw;
  }
  textarea#json-input {
    font-size: 1.09rem;
    min-height: 210px;
  }
  .pro-card {
    max-width: 99vw;
  }
}
/* --- ÁRBOL PLEGABLE --- */
.tree-node {
  font-family: 'Fira Mono', monospace;
  font-size: 1.08em;
  margin-left: .4em;
}
.tree-branch {
  display: flex;
  align-items: center;
  cursor: pointer;
}
.tree-children {
  margin-left: 1.6em;
  border-left: 1.7px solid #e3e8fa;
  padding-left: .8em;
}
.tree-children.collapsed {
  display: none;
}
.expander {
  display: inline-block;
  width: 1.35em;
  cursor: pointer;
  color: var(--primary);
  font-size: 1.08em;
}
.tree-key {
  color: #7e42fc;
  margin-right: 0.18em;
}
.tree-type {
  color: #4ea2e8;
  font-weight: 500;
  margin-left: .15em;
}
.tree-leaf {
  margin: 0 0 .2em 0;
}
.tree-value {
  font-weight: 600;
}
.tree-str {
  color: #1d8e54;
}
.tree-num {
  color: #2072bd;
}
.tree-bool {
  color: #cf9100;
}
.tree-null {
  color: #cf0037;
  font-weight: 700;
}
body.dark .tree-node,
body.dark .tree-leaf {
  color: #d8dbff;
}
body.dark .tree-key {
  color: #b58afd;
}
body.dark .tree-type {
  color: #55c2fa;
}
/* Botones favoritos (eliminar/guardar) */
.del-fav {
  background: #e54d4d;
  color: #fff;
  border: none;
  border-radius: 0.5em;
  font-size: 0.98em;
  font-weight: 700;
  padding: 0.29em 0.85em;
  margin-left: 0.6em;
  cursor: pointer;
  transition: background 0.13s;
}
.del-fav:hover {
  background: #f65d5d;
}
.load-fav {
  background: #13b678;
  color: #fff;
  border: none;
  border-radius: 0.5em;
  font-size: 0.98em;
  font-weight: 700;
  padding: 0.29em 0.85em;
  margin-left: 0.6em;
  cursor: pointer;
  transition: background 0.13s;
}
.load-fav:hover {
  background: #0fa26a;
}
/* --- Área de convertido (CSV/Texto plano, XML, etc) --- */
#converted-output,
pre#converted-output,
div#converted-output {
  background: #181c27 !important;
  color: #fff !important;
  border-radius: 0.8rem;
  font-size: 1.11rem;
  font-family: 'Fira Mono', 'Consolas', monospace;
  margin: 0 0 1.05rem 0;
  overflow-x: auto;
  overflow-y: auto;
  white-space: pre;
  word-break: break-all;
  box-shadow: 0 2px 16px #23253a30;
  user-select: text;
  cursor: pointer;
  border: 1px solid #24283b;
  padding: 1.13rem 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 4px #000c;
  min-height: 150px;
  width: 100%;
  max-width: 100%;
  max-height: 350px;
  box-sizing: border-box;
  transition: background 0.16s, color 0.16s;
}
body.dark #converted-output,
body.dark pre#converted-output,
body.dark div#converted-output {
  background: #181c27 !important;
  color: #fff !important;
  border: 1px solid #35385a;
}
/* --- Panel tabla CSV --- */
#csv-table-panel {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: auto;
  margin: 1.6rem 0 0.8rem 0;
  background: #f8faff;
  border-radius: 0.7rem;
  box-shadow: 0 1px 8px #3e89fa10;
  padding: 1.09rem 1.2rem;
  display: block;
  box-sizing: border-box;
  max-height: 390px;
}
body.dark #csv-table-panel {
  background: #1a2032;
  color: #f6faff;
}
/* --- Tabla CSV --- */
#csv-table-panel table {
  table-layout: auto;
  width: max-content;
  min-width: 100%;
  max-width: 100vw;
  border-collapse: collapse;
  font-family: 'Fira Mono', 'Consolas', monospace;
  font-size: 1.08rem;
}
#csv-table-panel th,
#csv-table-panel td {
  border: 1.2px solid #d5dbe7;
  padding: 0.52em 0.95em;
  text-align: left;
  white-space: pre;
  max-width: 320px;
  overflow-x: auto;
  text-overflow: ellipsis;
}
#csv-table-panel th {
  background: #eaf2fe;
  color: #6946e7;
}
body.dark #csv-table-panel th {
  background: #262b44;
  color: #9b7bfd;
}
#csv-table-panel tr:nth-child(even) {
  background: #f4f7ff;
}
body.dark #csv-table-panel tr:nth-child(even) {
  background: #21253a;
}
/* --- Scrollbar más visible --- */
#converted-output::-webkit-scrollbar,
#csv-table-panel::-webkit-scrollbar,
#csv-table-panel table::-webkit-scrollbar {
  height: 8px;
  background: #ddd;
}
#converted-output::-webkit-scrollbar-thumb,
#csv-table-panel::-webkit-scrollbar-thumb,
#csv-table-panel table::-webkit-scrollbar-thumb {
  background: #b0b0b0;
  border-radius: 6px;
}
/* Responsive (ajustes adicionales para área convertida y tabla en móviles) */
@media (max-width: 780px) {
  #converted-output,
  pre#converted-output,
  div#converted-output {
    font-size: 0.97rem;
    min-height: 100px;
    max-height: 210px;
    padding: 0.7rem 0.6rem;
  }
  #csv-table-panel {
    padding: 0.5rem 0.3rem;
    max-height: 210px;
  }
}
/* Toast (notificaciones) */
.toast {
  position: fixed;
  bottom: 38px;
  left: 50%;
  transform: translateX(-50%) scale(.93);
  background: linear-gradient(90deg, #32ba7c 80%, #3e89fa 100%);
  color: #fff;
  font-size: 1.19em;
  font-weight: 700;
  border-radius: 1.1em;
  box-shadow: 0 8px 32px #23253a22;
  padding: 0.74em 2.6em;
  z-index: 8888;
}
/* --- Menú de usuario (Premium) --- */
.user-menu {
  position: relative;
  display: flex;
  align-items: center;
}
.user-icon {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 2rem;
  cursor: pointer;
  border-radius: 50%;
  padding: 0.2em 0.4em;
  transition: background .15s, color .15s;
}
.user-icon:hover {
  background: #eee2;
  color: var(--primary);
}
.user-dropdown {
  position: absolute;
  top: 110%;
  right: 0;
  background: var(--panel);
  color: var(--fg);
  border: 1.5px solid var(--border);
  border-radius: 0.8rem;
  box-shadow: 0 4px 16px #23253a30;
  min-width: 180px;
  padding: 0.5rem 0;
  z-index: 30;
  display: none;
  flex-direction: column;
}
.user-menu.open .user-dropdown {
  display: flex;
}
.user-dropdown a,
.user-dropdown button {
  background: none;
  border: none;
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
}
.user-dropdown a:hover,
.user-dropdown button:hover {
  background: #e6f0fd;
  color: var(--primary);
}
body.dark .user-dropdown a:hover,
body.dark .user-dropdown button:hover {
  background: #2e3a5c;
  color: var(--primary);
}
.user-dropdown .user-email {
  display: block;
  padding: 0.6rem 1.2rem;
  font-size: 0.92rem;
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 780px) {
  .user-icon {
    font-size: 1.5rem;
    padding: 0.1em 0.3em;
  }
}
.toast {
  position: fixed;
  bottom: 38px;
  left: 50%;
  transform: translateX(-50%) scale(.93);
  background: linear-gradient(90deg, #32ba7c 80%, #3e89fa 100%);
  color: #fff;
  font-size: 1.19em;
  font-weight: 700;
  border-radius: 1.1em;
  box-shadow: 0 8px 32px #23253a22;
  padding: 0.74em 2.6em;
  z-index: 8888;
  display: none;
}
.toast.show,
.toast:not(:empty) {
  display: block;
}
.toast:empty {
  display: none !important;
}
/* --- ÁRBOL PRO PREMIUM --- */
.tree-node-pro {
  font-family: 'Fira Mono', monospace;
  font-size: 1.12em;
  margin-left: .42em;
  margin-bottom: .13em;
  position: relative;
  transition: background .16s;
}

.branch-header-pro {
  display: flex;
  align-items: center;
  gap: 0.17em;
  margin-bottom: 0.01em;
  cursor: pointer;
  border-radius: 0.41em;
  padding: 0.05em 0.14em 0.05em 0.09em;
  transition: background .17s;
}
.branch-header-pro:hover, .branch-header-pro.hover-pro {
  background: #f0f6ff;
}
body.dark .branch-header-pro:hover, body.dark .branch-header-pro.hover-pro {
  background: #23253a;
}

.expander-pro {
  display: inline-block;
  width: 1.7em;
  min-width: 1.5em;
  color: var(--primary);
  font-size: 1.24em;
  font-weight: bold;
  user-select: none;
  transition: transform .15s;
  cursor: pointer;
}
.expander-pro:active {
  transform: scale(1.1) rotate(-9deg);
}

.tree-type-pro {
  color: #3e89fa;
  background: #eaf2fe;
  font-size: 0.91em;
  border-radius: 0.7em;
  padding: 0.11em 0.5em;
  margin-left: .38em;
  font-weight: 700;
  opacity: .92;
}
body.dark .tree-type-pro {
  color: #9b7bfd;
  background: #23253a;
}

.tree-children-pro {
  margin-left: 1.7em;
  border-left: 1.5px dashed #e3e8fa;
  padding-left: .79em;
  transition: max-height .19s cubic-bezier(.38,.1,.46,.96);
  will-change: max-height;
}
body.dark .tree-children-pro {
  border-left: 1.5px dashed #2e63e7;
}

.tree-children-pro.collapsed-pro {
  display: none;
}
.tree-key-pro {
  color: #8d53fa;
  margin-right: 0.25em;
  font-weight: 600;
  font-size: 1em;
  user-select: text;
}
body.dark .tree-key-pro {
  color: #d3b3ff;
}
.tree-leaf-pro {
  margin-left: 0.9em;
  margin-bottom: .17em;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .26em;
  position: relative;
}

.tree-value-pro {
  font-weight: 600;
  margin-left: .2em;
  user-select: text;
}

.tree-str-pro { color: #1d8e54; }
.tree-num-pro { color: #2e82d2; }
.tree-bool-pro { color: #cf9100; }
.tree-null-pro { color: #cf0037; font-weight: 700; }

.copy-btn-pro {
  background: #eaf2fe;
  color: #3e89fa;
  border: none;
  font-size: 1em;
  border-radius: 0.44em;
  margin-left: .17em;
  padding: 0.11em 0.49em;
  font-weight: 700;
  cursor: pointer;
  transition: background .14s, color .13s, transform .13s;
  outline: none;
  position: relative;
  top: 0.01em;
  left: 0;
  opacity: .85;
}
.copy-btn-pro:hover {
  background: #3e89fa;
  color: #fff;
  transform: scale(1.14) rotate(-8deg);
}
body.dark .copy-btn-pro {
  background: #23253a;
  color: #9b7bfd;
}
body.dark .copy-btn-pro:hover {
  background: #9b7bfd;
  color: #fff;
}

/* --- Preview imagen flotante árbol --- */
.img-url-pro {
  color: #15c192 !important;
  text-decoration: underline dotted;
  cursor: pointer;
  position: relative;
}
.img-preview-pro {
  position: fixed;
  z-index: 3333;
  box-shadow: 0 3px 16px #181c2788;
  border-radius: 0.5em;
  max-width: 230px;
  max-height: 155px;
  border: 2.2px solid #3e89fa;
  background: #fff;
  pointer-events: none;
  transition: opacity .15s;
}
body.dark .img-preview-pro {
  background: #181c27;
  border: 2.2px solid #9b7bfd;
}

/* --- Toast premium para árbol --- */
.toast-tree-pro {
  position: fixed;
  bottom: 94px;
  left: 50%;
  transform: translateX(-50%) scale(.97);
  background: linear-gradient(90deg, #8d53fa 50%, #3e89fa 100%);
  color: #fff;
  font-size: 1.12em;
  font-weight: 700;
  border-radius: 1.13em;
  box-shadow: 0 6px 30px #23253a22;
  padding: 0.66em 2.1em;
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .17s, transform .13s;
}
.toast-tree-pro.show-tree-pro {
  opacity: 1;
  transform: translateX(-50%) scale(1.03);
}
/* ÁRBOL PRO PREMIUM */
.tree-node-pro {
  font-family: 'Fira Mono', monospace;
  font-size: 1.12em;
  margin-left: .42em;
  margin-bottom: .13em;
  position: relative;
  transition: background .16s;
}

.branch-header-pro {
  display: flex;
  align-items: center;
  gap: 0.19em;
  margin-bottom: 0.01em;
  cursor: pointer;
  border-radius: 0.41em;
  padding: 0.05em 0.14em 0.05em 0.09em;
  transition: background .17s;
  position: relative;
}
.branch-header-pro:hover, .branch-header-pro.hover-pro {
  background: #f0f6ff;
}
body.dark .branch-header-pro:hover, body.dark .branch-header-pro.hover-pro {
  background: #23253a;
}

.expander-pro {
  display: inline-block;
  width: 1.7em;
  min-width: 1.5em;
  color: var(--primary);
  font-size: 1.22em;
  font-weight: bold;
  user-select: none;
  transition: transform .15s;
  cursor: pointer;
  text-align: center;
}
.expander-pro:active {
  transform: scale(1.1) rotate(-9deg);
}

.tree-type-pro {
  color: #3e89fa;
  background: #eaf2fe;
  font-size: 0.93em;
  border-radius: 0.7em;
  padding: 0.11em 0.5em;
  margin-left: .38em;
  font-weight: 700;
  opacity: .92;
}
body.dark .tree-type-pro {
  color: #9b7bfd;
  background: #23253a;
}

.tree-children-pro {
  margin-left: 1.7em;
  border-left: 1.5px dashed #e3e8fa;
  padding-left: .79em;
  transition: max-height .19s cubic-bezier(.38,.1,.46,.96);
  will-change: max-height;
}
body.dark .tree-children-pro {
  border-left: 1.5px dashed #2e63e7;
}

.tree-children-pro.collapsed-pro {
  display: none;
}

.tree-key-pro {
  color: #8d53fa;
  margin-right: 0.25em;
  font-weight: 600;
  font-size: 1em;
  user-select: text;
}
body.dark .tree-key-pro {
  color: #d3b3ff;
}
.tree-leaf-pro {
  margin-left: 0.9em;
  margin-bottom: .17em;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .26em;
  position: relative;
}

.tree-value-pro {
  font-weight: 600;
  margin-left: .2em;
  user-select: text;
}

.tree-str-pro { color: #1d8e54; }
.tree-num-pro { color: #2e82d2; }
.tree-bool-pro { color: #cf9100; }
.tree-null-pro { color: #cf0037; font-weight: 700; }

/* Menú contextual árbol */
.menu-btn-pro {
  background: none;
  border: none;
  font-size: 1.21em;
  color: #b8bbcf;
  cursor: pointer;
  margin-left: .25em;
  padding: .07em .22em;
  border-radius: 2em;
  opacity: 0;
  transition: opacity .13s;
  z-index: 2;
}
.branch-header-pro:hover .menu-btn-pro,
.tree-leaf-pro:hover .menu-btn-pro {
  opacity: 1;
}
.menu-btn-pro:focus {
  background: #eaf2fe;
  color: #3e89fa;
  outline: none;
}
body.dark .menu-btn-pro:focus {
  background: #23253a;
  color: #9b7bfd;
}

/* Menú contextual flotante */
.tree-menu-contextual {
  position: fixed;
  min-width: 146px;
  background: #fff;
  color: #222;
  border-radius: .85em;
  box-shadow: 0 7px 28px #181c271c;
  border: 1.5px solid #e3e8fa;
  z-index: 9999;
  padding: .38em 0;
  display: none;
  flex-direction: column;
  animation: floatin .16s;
}
body.dark .tree-menu-contextual {
  background: #23253a;
  color: #fff;
  border: 1.5px solid #2e63e7;
}
.tree-menu-contextual button {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.02em;
  padding: .5em 1.3em;
  text-align: left;
  cursor: pointer;
  transition: background .12s;
  width: 100%;
}
.tree-menu-contextual button:hover {
  background: #f0f6ff;
  color: #3e89fa;
}
body.dark .tree-menu-contextual button:hover {
  background: #23253a;
  color: #9b7bfd;
}

/* --- Preview imagen flotante árbol --- */
.img-url-pro {
  color: #15c192 !important;
  text-decoration: underline dotted;
  cursor: pointer;
  position: relative;
}
.img-preview-pro {
  position: fixed;
  z-index: 3333;
  box-shadow: 0 3px 16px #181c2788;
  border-radius: 0.5em;
  max-width: 230px;
  max-height: 155px;
  border: 2.2px solid #3e89fa;
  background: #fff;
  pointer-events: none;
  transition: opacity .15s;
}
body.dark .img-preview-pro {
  background: #181c27;
  border: 2.2px solid #9b7bfd;
}

/* --- Toast premium para árbol --- */
.toast-tree-pro {
  position: fixed;
  bottom: 94px;
  left: 50%;
  transform: translateX(-50%) scale(.97);
  background: linear-gradient(90deg, #8d53fa 50%, #3e89fa 100%);
  color: #fff;
  font-size: 1.12em;
  font-weight: 700;
  border-radius: 1.13em;
  box-shadow: 0 6px 30px #23253a22;
  padding: 0.66em 2.1em;
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .17s, transform .13s;
}
.toast-tree-pro.show-tree-pro {
  opacity: 1;
  transform: translateX(-50%) scale(1.03);
}
/* --- BANNER DE ANUNCIOS EN HEADER --- */
.ad-banner-header {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafcff;
  border-radius: 1em;
  box-shadow: 0 1px 12px #23253a07;
  padding: .5em 0 .5em 0;
  font-size: 1.05em;
  gap: 1em;
}
body.dark .ad-banner-header {
  background: #23253a;
  color: #eee;
}

/* Panel de donaciones */
.donation-panel {
  width: 100vw;
  background: linear-gradient(90deg,#f6f8ff 60%,#eaf2fe 100%);
  color: #272a34;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.98em 0 0.98em 0;
  border-top: 1.5px solid #e3e8fa;
  box-shadow: 0 -2px 18px #23253a12;
  font-size: 1.1em;
  letter-spacing: .01em;
}
body.dark .donation-panel {
  background: linear-gradient(90deg,#1b1e2e 60%,#23253a 100%);
  color: #fff;
  border-top: 1.5px solid #2e63e7;
}
.donation-content {
  display: flex;
  align-items: center;
  gap: 1.5em;
  max-width: 680px;
}
.donation-msg {
  font-weight: 500;
  font-size: 1.06em;
}
.paypal-btn {
  background: #009cde;
  color: #fff;
  font-weight: 700;
  border: none;
  border-radius: 1.9em;
  padding: 0.47em 1.4em;
  font-size: 1.1em;
  box-shadow: 0 2px 8px #009cde30;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: background .14s, color .12s;
}
.paypal-btn:hover {
  background: #005ea6;
  color: #fff;
}
@media (max-width: 600px) {
  main, .main-card {
    padding-left: 2vw;
    padding-right: 2vw;
  }
  .input-panel, .output-panel {
    padding-left: 0.5em;
    padding-right: 0.5em;
  }
  .output-tabs button {
    font-size: 1.01rem;
    padding: 0.45em 0.7em;
  }
  .controls button, .output-actions button {
    font-size: 0.98rem;
    padding: 0.41em 1em;
  }
  .donation-panel {
    flex-direction: column;
    gap: 1em;
    padding: 0.65em 0;
    font-size: 1em;
  }
  .donation-content {
    flex-direction: column;
    gap: 0.7em;
    align-items: flex-start;
  }
  .pro-card {
    padding: 1.1em 0.5em 1.1em 0.5em;
  }
  header {
    grid-template-columns: 1fr !important;
    padding: 0.6rem 0.7rem;
    text-align: center;
  }
  h1 {
    font-size: 1.39rem;
    flex-wrap: wrap;
    gap: 0.2rem;
  }
  .logo {
    width: 36px;
    height: 36px;
    margin-right: 0.6rem;
  }
  .toast {
    bottom: 70px;
    font-size: 1em;
    padding: 0.54em 1.3em;
  }
}
header.main-header {
  background: var(--main-bg, #fff);
  transition: background 0.3s;
}
body.dark header.main-header {
  background: #181a20 !important;
}

@media (max-width: 650px) {
  header.main-header {
    padding: 0.6em 0.4em !important;
  }
  .ads-header {
    max-width: 100% !important;
    min-width: 80px !important;
    margin: 0.2em auto 0.4em auto !important;
  }
  .ads-panel {
    max-width: 100vw !important;
    margin: 0.6em auto !important;
  }
  header.main-header h1 {
    font-size: 1.09em !important;
  }
}
.ads-header:has(ins[style*="height: 0px"]) {
  min-height: 0 !important;
  max-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}
header.main-header {
  background: var(--main-bg, #fff);
  transition: background 0.3s;
}
body.dark header.main-header {
  background: #181a20 !important;
}
.ads-header, .ads-panel {
  min-height: 0 !important;
  overflow: hidden !important;
}
.ads-header:empty,
.ads-panel:empty,
.ads-panel:has(ins[style*="height: 0px"]) {
  min-height: 0 !important;
  max-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}
@media (max-width: 650px) {
  header.main-header {
    padding: 0.6em 0.4em !important;
  }
  .ads-header {
    max-width: 100% !important;
    min-width: 80px !important;
    margin: 0.2em auto 0.4em auto !important;
  }
  .ads-panel {
    max-width: 100vw !important;
    margin: 0.6em auto !important;
  }
  header.main-header h1 {
    font-size: 1.09em !important;
  }
}