:root {
  --bg: #061412;
  --bg-2: #0a211e;
  --panel: rgba(10, 33, 30, .92);
  --panel-2: rgba(14, 48, 43, .82);
  --line: rgba(99, 227, 205, .18);
  --line-strong: rgba(99, 227, 205, .38);
  --aqua: #63e3cd;
  --aqua-2: #2fb8a4;
  --text: #f3f7f4;
  --muted: #a8bcb6;
  --gold: #d7b46a;
  --danger: #ff9c91;
  --shadow: 0 28px 80px rgba(0,0,0,.34);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 75% 12%, rgba(54, 207, 181, .13), transparent 27%),
    radial-gradient(circle at 15% 85%, rgba(20, 111, 98, .15), transparent 28%),
    linear-gradient(145deg, #04100f 0%, #071916 46%, #09211d 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(103,227,205,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,227,205,.025) 1px, transparent 1px);
  background-size: 42px 42px;
}
button, textarea { font: inherit; }
button { color: inherit; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(4, 18, 16, .88);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  z-index: 20;

  /* Desplazamiento vertical */
  overflow-y: auto;
  overflow-x: hidden;

  /* Firefox */
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 227, 205, .65) rgba(4, 18, 16, .45);
}

/* Chrome, Edge, Safari y navegadores Chromium */
.sidebar::-webkit-scrollbar {
  width: 9px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(4, 18, 16, .45);
  border-radius: 10px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(99, 227, 205, .55);
  border-radius: 10px;
  border: 2px solid rgba(4, 18, 16, .45);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 227, 205, .85);
}

.sidebar {
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
}

.brand { display: flex; align-items: center; gap: 12px; padding: 4px 8px 24px; color: inherit; text-decoration: none; }
.brand-emblem {
  width: 46px; height: 46px; border: 1px solid var(--line-strong); border-radius: 14px;
  display: grid; place-items: center; color: var(--aqua); font-weight: 800; letter-spacing: .04em;
  background: linear-gradient(145deg, rgba(103,227,205,.13), rgba(103,227,205,.025));
  box-shadow: inset 0 0 28px rgba(103,227,205,.08);
}
.brand strong { display:block; font-size: .98rem; letter-spacing: .015em; }
.brand small { display:block; color: var(--muted); margin-top: 3px; }
.sidebar-nav { display: grid; gap: 7px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px;
  color: #bdd0ca; text-decoration: none; border: 1px solid transparent; transition: .2s ease;
}
.nav-item:hover { color: white; background: rgba(103,227,205,.07); border-color: var(--line); }
.nav-item.active { color: var(--aqua); background: linear-gradient(90deg, rgba(103,227,205,.13), rgba(103,227,205,.035)); border-color: var(--line); }
.nav-icon { width: 24px; text-align:center; font-size: 1.05rem; }
.sidebar-card {
  margin-top: auto; display:flex; align-items:center; gap: 12px; padding: 13px; border-radius: 16px;
  border: 1px solid var(--line); background: linear-gradient(145deg, rgba(13,49,43,.82), rgba(7,27,24,.72));
}
.sidebar-card img { width: 54px; height: 54px; object-fit: contain; filter: drop-shadow(0 0 15px rgba(103,227,205,.2)); }
.sidebar-card small, .sidebar-card strong { display:block; }
.sidebar-card small { color: var(--muted); font-size:.72rem; }
.sidebar-card strong { margin-top:3px; font-size:.82rem; }
.sidebar-note { color:#6f8e86; font-size:.72rem; text-align:center; margin: 16px 0 0; letter-spacing:.08em; text-transform:uppercase; }
.workspace { width: min(1540px, 100%); padding: 32px clamp(24px, 4vw, 64px) 64px; margin: 0 auto; }
.topbar { display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:24px; }
.eyebrow { margin:0 0 5px; color:var(--aqua); text-transform:uppercase; font-size:.72rem; letter-spacing:.16em; font-weight:700; }
h1,h2,h3,p { margin-top:0; }
h1 { margin-bottom:0; font-size:clamp(1.85rem, 3vw, 2.7rem); letter-spacing:-.035em; }
.topbar-actions { display:flex; align-items:center; gap:12px; }
.server-indicator { display:flex; align-items:center; gap:8px; color:var(--muted); font-size:.82rem; }
.server-indicator i { width:8px; height:8px; border-radius:50%; background:#d7b46a; box-shadow:0 0 12px rgba(215,180,106,.6); }
.server-indicator.online i { background:var(--aqua); box-shadow:0 0 12px rgba(99,227,205,.7); }
.server-indicator.error i { background:var(--danger); box-shadow:0 0 12px rgba(255,156,145,.65); }
.ghost-button, .text-button, .copy-button {
  border:1px solid var(--line); background:rgba(103,227,205,.04); border-radius:10px; padding:9px 13px; cursor:pointer;
}
.ghost-button:hover, .text-button:hover, .copy-button:hover { background:rgba(103,227,205,.1); border-color:var(--line-strong); }
.translator-card {
  position:relative; overflow:hidden; border:1px solid var(--line); border-radius:var(--radius-xl);
  background: linear-gradient(145deg, rgba(12,42,37,.96), rgba(7,25,23,.96)); box-shadow:var(--shadow);
}
.translator-card::before {
  content:""; position:absolute; width:360px; height:360px; border-radius:50%; right:-130px; top:-160px;
  background:radial-gradient(circle, rgba(103,227,205,.14), transparent 67%); pointer-events:none;
}
.translator-card-header { display:flex; justify-content:space-between; align-items:center; gap:24px; padding:28px 30px; border-bottom:1px solid var(--line); }
.translator-card-header h2 { margin-bottom:7px; font-size:clamp(1.35rem,2vw,2rem); }
.translator-card-header p:not(.eyebrow) { color:var(--muted); margin-bottom:0; }
.direction-switch { display:flex; padding:5px; border:1px solid var(--line); border-radius:13px; background:rgba(1,12,11,.38); }
.direction-button { border:0; background:transparent; color:var(--muted); padding:10px 13px; border-radius:9px; cursor:pointer; white-space:nowrap; }
.direction-button span { color:var(--aqua); padding:0 2px; }
.direction-button.active { color:white; background:linear-gradient(135deg, rgba(103,227,205,.2), rgba(47,184,164,.1)); box-shadow:inset 0 0 0 1px rgba(103,227,205,.19); }
.translation-layout { display:grid; grid-template-columns:minmax(0,1fr) 112px minmax(0,1fr); gap:0; padding:30px; }
.language-panel { min-height:390px; border:1px solid var(--line); border-radius:var(--radius-lg); background:rgba(2,17,15,.42); display:flex; flex-direction:column; overflow:hidden; }
.input-panel { border-top-right-radius:8px; border-bottom-right-radius:8px; }
.output-panel { border-top-left-radius:8px; border-bottom-left-radius:8px; background:linear-gradient(145deg, rgba(14,48,43,.58), rgba(4,20,18,.5)); }
.panel-heading { display:flex; justify-content:space-between; align-items:center; gap:16px; padding:18px 20px; border-bottom:1px solid var(--line); }
.panel-heading small { color:var(--muted); display:block; font-size:.7rem; text-transform:uppercase; letter-spacing:.12em; }
.panel-heading h3 { margin:3px 0 0; font-size:1rem; }
#char-count { color:#6f8e86; font-size:.76rem; }
.language-panel textarea { flex:1; width:100%; resize:none; border:0; outline:0; padding:24px; background:transparent; color:var(--text); font-size:clamp(1.1rem,1.7vw,1.5rem); line-height:1.7; }
.language-panel textarea::placeholder { color:#6d8780; }
.output-panel textarea { color:#c9fff5; }
.panel-footer { min-height:50px; display:flex; align-items:center; justify-content:space-between; gap:12px; padding:12px 18px; border-top:1px solid var(--line); color:#78928b; font-size:.78rem; }
.translation-center { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:15px; }
.swap-button { width:44px; height:44px; border-radius:50%; border:1px solid var(--line-strong); background:#0b2e29; color:var(--aqua); cursor:pointer; font-size:1.1rem; box-shadow:0 10px 28px rgba(0,0,0,.25); }
.swap-button:hover { transform:rotate(180deg); transition:.3s ease; }
.translate-button { min-width:90px; border:1px solid rgba(103,227,205,.5); border-radius:14px; padding:15px 13px; cursor:pointer; background:linear-gradient(145deg, #1f8f7d, #126a5e); box-shadow:0 16px 35px rgba(4,65,56,.34); }
.translate-button span { display:block; font-weight:700; font-size:.88rem; }
.translate-button b { display:block; color:#bffdf1; margin-top:2px; }
.translate-button:hover { filter:brightness(1.09); transform:translateY(-1px); }
.translate-button:disabled { opacity:.55; cursor:wait; }
#estado-traduccion.success { color:var(--aqua); }
#estado-traduccion.error { color:var(--danger); }
.copy-button { padding:7px 11px; font-size:.76rem; }
.text-button { padding:6px 10px; font-size:.76rem; }
.dashboard-grid { margin-top:24px; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.feature-card { min-height:210px; position:relative; overflow:hidden; border:1px solid var(--line); border-radius:18px; padding:20px; background:linear-gradient(145deg, rgba(11,39,35,.86), rgba(6,23,21,.88)); }
.feature-card img { position:absolute; right:-2px; bottom:-14px; width:120px; height:120px; object-fit:contain; opacity:.62; filter:drop-shadow(0 0 20px rgba(103,227,205,.15)); }
.feature-card div { position:relative; z-index:1; max-width:75%; }
.feature-card small { color:var(--aqua); text-transform:uppercase; font-size:.65rem; letter-spacing:.14em; }
.feature-card h2 { margin:7px 0 8px; font-size:1.05rem; }
.feature-card p { color:var(--muted); line-height:1.55; font-size:.82rem; }
.feature-card > span { position:absolute; left:20px; bottom:16px; color:#6f8e86; font-size:.68rem; text-transform:uppercase; letter-spacing:.11em; }
.toast { position:fixed; right:24px; bottom:24px; max-width:320px; padding:12px 16px; border-radius:12px; background:#123b35; border:1px solid var(--line-strong); box-shadow:var(--shadow); opacity:0; transform:translateY(12px); pointer-events:none; transition:.22s ease; }
.toast.show { opacity:1; transform:translateY(0); }
@media (max-width: 1180px) {
  .app-shell { grid-template-columns:220px 1fr; }
  .translation-layout { grid-template-columns:1fr; gap:14px; }
  .translation-center { flex-direction:row; }
  .input-panel,.output-panel { border-radius:var(--radius-lg); }
  .language-panel { min-height:300px; }
  .dashboard-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    max-height: none;
    padding: 16px;
    overflow-y: visible;
    overflow-x: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar-nav {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 8px;
  }

  .nav-item {
    flex: 0 0 auto;
    min-width: 60px;
    justify-content: center;
    padding: 10px;
  }

  .nav-item span:last-child {
    display: none;
  }

  .sidebar-card,
  .sidebar-note {
    display: none;
  }

  .brand {
    padding-bottom: 14px;
  }

  .workspace {
    padding: 22px 14px 42px;
  }

  .topbar {
    align-items: flex-start;
  }

  .topbar-actions {
    flex-direction: column;
    align-items: flex-end;
  }

  .translator-card-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px;
  }

  .direction-switch {
    width: 100%;
  }

  .direction-button {
    flex: 1;
    font-size: .78rem;
    padding: 10px 7px;
  }

  .translation-layout {
    padding: 16px;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Identidad visual principal */
.identity-hero {
  position: relative;
  min-height: 280px;
  margin: 0 0 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 42%, rgba(99,227,205,.16), transparent 34%),
    linear-gradient(145deg, rgba(5,24,22,.96), rgba(8,31,28,.87));
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
}
.identity-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(99,227,205,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,227,205,.035) 1px, transparent 1px);
  background-size: 34px 34px;
}
.identity-center {
  position: relative;
  z-index: 3;
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 28px 20px;
}
.identity-virgulas {
  width: clamp(120px, 14vw, 190px);
  max-height: 86px;
  object-fit: contain;
  filter: drop-shadow(0 0 22px rgba(99,227,205,.34));
}
.identity-name {
  margin: 13px 0 0;
  color: var(--aqua);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: .98;
  letter-spacing: .015em;
  text-shadow: 0 0 28px rgba(99,227,205,.18);
}
.identity-subtitle {
  margin: 10px 0 0;
  color: #d7e4df;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(.78rem, 1.25vw, 1.05rem);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.identity-character {
  position: absolute;
  z-index: 2;
  bottom: -58%;
  width: min(34vw, 420px);
  height: 170%;
  object-fit: contain;
  pointer-events: none;
  filter: drop-shadow(0 0 20px rgba(0,0,0,.42));
}
.identity-character-left { left: -4%; }
.identity-character-right { right: -4%; }

@media (max-width: 1180px) {
  .identity-hero { min-height: 240px; }
  .identity-character { width: min(39vw, 350px); bottom: -54%; }
  .identity-character-left { left: -10%; }
  .identity-character-right { right: -10%; }
}
@media (max-width: 760px) {
  .identity-hero { min-height: 220px; }
  .identity-character { width: 210px; height: 150%; bottom: -45%; opacity: .72; }
  .identity-character-left { left: -94px; }
  .identity-character-right { right: -94px; }
  .identity-center { padding: 30px 12px; }
  .identity-name { max-width: 78vw; font-size: clamp(1.9rem, 10vw, 3rem); }
  .identity-subtitle { max-width: 65vw; line-height: 1.5; }
}

/* Personajes exactos proporcionados por mouan */
.identity-hero {
  min-height: 330px;
  background:
    radial-gradient(circle at 50% 40%, rgba(99,227,205,.16), transparent 33%),
    linear-gradient(145deg, rgba(3,18,17,.98), rgba(6,30,27,.93));
}
.identity-character {
  bottom: -6%;
  height: 108%;
  width: auto;
  max-width: 38%;
  object-fit: contain;
  object-position: bottom;
  opacity: 1;
  filter: drop-shadow(0 16px 28px rgba(0,0,0,.48));
}
.identity-character-left { left: 1%; }
.identity-character-right { right: 1%; }
.identity-center { z-index: 4; }
.identity-name { font-size: clamp(2.1rem, 4.1vw, 4.25rem); }
@media (max-width: 1180px) {
  .identity-hero { min-height: 290px; }
  .identity-character { height: 104%; max-width: 40%; bottom: -4%; }
  .identity-character-left { left: -2%; }
  .identity-character-right { right: -2%; }
}
@media (max-width: 760px) {
  .identity-hero { min-height: 235px; }
  .identity-character { height: 88%; max-width: 46%; bottom: -2%; opacity: .84; }
  .identity-character-left { left: -11%; }
  .identity-character-right { right: -11%; }
  .identity-virgulas { width: 92px; }
}

/* v2.6: los personajes miran hacia el centro */
.identity-character-left,
.identity-character-right {
  transform: scaleX(-1);
  transform-origin: center center;
}

.suggestion-floating-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(103, 227, 205, .52);
  border-radius: 999px;
  padding: 13px 18px;
  background: linear-gradient(145deg, #1f8f7d, #126a5e);
  color: white;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 18px 42px rgba(0, 0, 0, .38);
  transition: transform .2s ease, filter .2s ease;
}

.suggestion-floating-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.suggestion-modal[hidden] {
  display: none;
}

.suggestion-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
}

.suggestion-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 8, 7, .78);
  backdrop-filter: blur(8px);
}

.suggestion-dialog {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 26px;
  background:
    linear-gradient(
      145deg,
      rgba(12, 42, 37, .99),
      rgba(5, 23, 21, .99)
    );
  box-shadow: var(--shadow);
}

.suggestion-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.suggestion-dialog-header h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 4vw, 2rem);
}

.suggestion-close-button {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(103, 227, 205, .05);
  color: var(--muted);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.suggestion-close-button:hover {
  color: white;
  background: rgba(103, 227, 205, .12);
}

.suggestion-description {
  margin: 14px 0 22px;
  color: var(--muted);
  line-height: 1.6;
}

.suggestion-field {
  display: grid;
  gap: 8px;
  margin-bottom: 17px;
}

.suggestion-field label {
  color: #dceae6;
  font-size: .88rem;
  font-weight: 700;
}

.suggestion-field label span {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 400;
}

.suggestion-field input,
.suggestion-field select,
.suggestion-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  padding: 12px 14px;
  background: rgba(1, 13, 11, .48);
  color: var(--text);
  font: inherit;
}

.suggestion-field textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.55;
}

.suggestion-field input:focus,
.suggestion-field select:focus,
.suggestion-field textarea:focus {
  border-color: var(--aqua);
  box-shadow: 0 0 0 3px rgba(103, 227, 205, .1);
}

.suggestion-field select option {
  background: #09211d;
  color: white;
}

#suggestion-char-count {
  justify-self: end;
  color: #78928b;
  font-size: .72rem;
}

.suggestion-status {
  min-height: 22px;
  margin: 3px 0 13px;
  color: var(--muted);
  font-size: .86rem;
}

.suggestion-status.success {
  color: var(--aqua);
}

.suggestion-status.error {
  color: var(--danger);
}

.suggestion-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.suggestion-send-button {
  border: 1px solid rgba(103, 227, 205, .5);
  border-radius: 11px;
  padding: 11px 17px;
  background: linear-gradient(145deg, #1f8f7d, #126a5e);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.suggestion-send-button:disabled {
  opacity: .58;
  cursor: wait;
}

body.suggestion-modal-open {
  overflow: hidden;
}

@media (max-width: 760px) {
  .suggestion-floating-button {
    right: 14px;
    bottom: 14px;
    padding: 12px 14px;
  }

  .suggestion-floating-button span:last-child {
    display: none;
  }

  .suggestion-dialog {
    padding: 20px;
    border-radius: 19px;
  }

  .suggestion-actions {
    flex-direction: column-reverse;
  }

  .suggestion-actions button {
    width: 100%;
  }

}

/* ==========================================================
   Herramientas del proyecto · tonal_uan_xiu / poualyotl
   ========================================================== */
.utility-tools {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: clamp(24px, 3.5vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 92% 0%, rgba(99, 227, 205, .11), transparent 28%),
    linear-gradient(145deg, rgba(10, 37, 33, .96), rgba(5, 22, 20, .97));
  box-shadow: var(--shadow);
}

.utility-tools::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background-image:
    linear-gradient(rgba(99, 227, 205, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 227, 205, .025) 1px, transparent 1px);
  background-size: 34px 34px;
}

.utility-tools-heading,
.utility-tools-grid {
  position: relative;
  z-index: 1;
}

.utility-tools-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.utility-tools-heading h2 {
  margin: 3px 0 8px;
  font-size: clamp(1.45rem, 2.5vw, 2.2rem);
  letter-spacing: -.025em;
}

.utility-tools-intro {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.utility-tools-status {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(99, 227, 205, .22);
  border-radius: 999px;
  background: rgba(99, 227, 205, .06);
  color: #bffdf1;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.utility-tools-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 12px rgba(99, 227, 205, .7);
}

.utility-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.utility-tool {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid rgba(99, 227, 205, .16);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(15, 50, 45, .78), rgba(4, 20, 18, .72));
  box-shadow:
    0 18px 44px rgba(0, 0, 0, .22),
    inset 0 1px 0 rgba(255,255,255,.025);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.utility-tool:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 227, 205, .34);
  box-shadow:
    0 24px 54px rgba(0, 0, 0, .28),
    0 0 28px rgba(99, 227, 205, .035);
}

.utility-tool::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  right: -90px;
  top: -90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 227, 205, .12), transparent 68%);
  pointer-events: none;
}

.utility-tool-topline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 13px;
}

.utility-tool-topline small {
  color: var(--aqua);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.utility-tool-index {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(215, 180, 106, .34);
  border-radius: 9px;
  background: rgba(215, 180, 106, .07);
  color: var(--gold);
  font-size: .72rem;
  font-weight: 800;
}

.utility-tool h3 {
  margin: 0 0 9px;
  color: #eefcf8;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  font-weight: 600;
  letter-spacing: .015em;
}

.utility-tool-description {
  min-height: 50px;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.62;
}

.utility-tool-description strong {
  color: #d9f7f1;
  font-weight: 700;
}

.utility-date-grid {
  display: grid;
  grid-template-columns: .8fr .8fr 1.4fr;
  gap: 10px;
}

.utility-date-grid label,
.utility-number-label {
  display: grid;
  gap: 7px;
  color: #dbeae6;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .025em;
}

.utility-date-grid label span,
.utility-number-label span {
  padding-left: 2px;
}

.utility-tool input {
  width: 100%;
  min-width: 0;
  height: 50px;
  border: 1px solid rgba(99, 227, 205, .18);
  border-radius: 12px;
  outline: none;
  padding: 0 14px;
  background: rgba(1, 13, 11, .5);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.utility-tool input::placeholder {
  color: #67837b;
  font-weight: 400;
}

.utility-tool input:hover {
  border-color: rgba(99, 227, 205, .3);
}

.utility-tool input:focus {
  border-color: var(--aqua);
  background: rgba(3, 25, 22, .75);
  box-shadow: 0 0 0 3px rgba(99, 227, 205, .09);
}

.utility-number-label {
  max-width: 100%;
}

.utility-action {
  width: 100%;
  min-height: 50px;
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 800;
}

.utility-action span,
.utility-action b {
  display: inline;
  margin: 0;
}

.utility-action b {
  color: #c6fff5;
  font-size: 1.1rem;
  transition: transform .18s ease;
}

.utility-action:hover b {
  transform: translateX(4px);
}

.utility-result-wrap {
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid rgba(99, 227, 205, .11);
}

.utility-result-label {
  display: block;
  margin-bottom: 7px;
  color: #718f87;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.utility-result {
  position: relative;
  min-height: 78px;
  display: flex;
  align-items: center;
  border: 1px dashed rgba(99, 227, 205, .17);
  border-radius: 13px;
  padding: 16px 18px;
  background: rgba(0, 11, 10, .35);
  color: #c9fff5;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1rem, 1.55vw, 1.22rem);
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.utility-result:empty::before {
  content: "El resultado aparecerá aquí.";
  color: #5f7c75;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: .82rem;
  font-style: italic;
}

.utility-result:not(:empty) {
  border-style: solid;
  border-color: rgba(99, 227, 205, .26);
  background:
    linear-gradient(145deg, rgba(10, 50, 43, .42), rgba(2, 20, 17, .5));
  box-shadow: inset 3px 0 0 rgba(99, 227, 205, .62);
}

.utility-result.error {
  border-color: rgba(255, 156, 145, .35);
  background: rgba(92, 30, 25, .18);
  color: var(--danger);
  box-shadow: inset 3px 0 0 rgba(255, 156, 145, .7);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: .88rem;
}

@media (max-width: 980px) {
  .utility-tools-grid {
    grid-template-columns: 1fr;
  }

  .utility-tool-description {
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .utility-tools {
    margin-top: 20px;
    padding: 18px;
    border-radius: 20px;
  }

  .utility-tools-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .utility-tools-status {
    align-self: flex-start;
  }

  .utility-tool {
    padding: 20px;
    border-radius: 17px;
  }

  .utility-date-grid {
    grid-template-columns: 1fr 1fr;
  }

  .utility-date-grid label:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 420px) {
  .utility-date-grid {
    grid-template-columns: 1fr;
  }

  .utility-date-grid label:last-child {
    grid-column: auto;
  }
}

/* ==========================================================
   CONTENIDO AUDIOVISUAL
   Video + ejemplos de pronunciación
   4 reproductores en una sola fila
   ========================================================== */

.project-audiovisual {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: clamp(24px, 3.5vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 92% 0%, rgba(99, 227, 205, .11), transparent 30%),
    radial-gradient(circle at 5% 100%, rgba(215, 180, 106, .06), transparent 30%),
    linear-gradient(145deg, rgba(10, 37, 33, .96), rgba(5, 22, 20, .97));
  box-shadow: var(--shadow);
}

.project-audiovisual::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background-image:
    linear-gradient(rgba(99, 227, 205, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 227, 205, .025) 1px, transparent 1px);
  background-size: 34px 34px;
}

.project-audiovisual-heading {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
}

.project-audiovisual-heading h2 {
  margin: 0 0 8px;
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
}

.project-audiovisual-intro {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.project-audiovisual-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: clamp(24px, 3vw, 38px);
  align-items: start;
}

.project-video-column,
.project-audio-column {
  min-width: 0;
}

.project-media-topline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.project-media-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--gold);
  background: rgba(215, 180, 106, .06);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .06em;
}

.project-media-topline small {
  color: var(--aqua);
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.project-video-column > h3,
.project-audio-column > h3 {
  margin: 0 0 16px;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
}

.project-video-frame {
  position: relative;
  width: min(360px, 100%);
  aspect-ratio: 9 / 16;
  overflow: hidden;
  margin: 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: #000;
  box-shadow:
    0 22px 55px rgba(0, 0, 0, .36),
    0 0 30px rgba(99, 227, 205, .08);
}

.project-video-frame iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-audio-intro {
  margin: -5px 0 20px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.6;
}

.pronunciation-audio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
}

.pronunciation-audio-card {
  position: relative;
  min-width: 0;
  padding: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0%, rgba(99, 227, 205, .08), transparent 45%),
    rgba(1, 15, 13, .38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025);
  transition:
    transform .18s ease,
    border-color .18s ease,
    background .18s ease,
    box-shadow .18s ease;
}

.pronunciation-audio-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background:
    radial-gradient(circle at 100% 0%, rgba(99, 227, 205, .13), transparent 45%),
    rgba(3, 24, 21, .52);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .18);
}

.pronunciation-audio-heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}

.pronunciation-number {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  border: 1px solid rgba(215, 180, 106, .26);
  color: var(--gold);
  background: rgba(215, 180, 106, .06);
  font-size: .64rem;
  font-weight: 900;
}

.pronunciation-audio-heading small {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .11em;
}

.pronunciation-audio-heading strong {
  display: block;
  color: var(--aqua);
  font-size: .8rem;
  letter-spacing: .03em;
}

.pronunciation-audio-card h4 {
  margin: 0 0 8px;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(.96rem, 1.25vw, 1.16rem);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.pronunciation-audio-card p {
  min-height: 58px;
  margin: 0 0 13px;
  color: var(--muted);
  font-size: .74rem;
  line-height: 1.45;
}

.pronunciation-audio-card p strong {
  color: var(--aqua);
}

.pronunciation-player {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 40px;
}

@media (max-width: 1180px) {
  .project-audiovisual-layout {
    grid-template-columns: minmax(250px, 310px) minmax(0, 1fr);
  }

  .project-audio-column {
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .pronunciation-audio-grid {
    grid-template-columns: repeat(4, minmax(190px, 1fr));
    min-width: 790px;
  }
}

@media (max-width: 760px) {
  .project-audiovisual {
    margin-top: 22px;
    padding: 20px 14px;
    border-radius: 20px;
  }

  .project-audiovisual-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .project-video-frame {
    width: min(340px, 100%);
    border-radius: 16px;
  }

  .project-audio-column {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 10px;
  }

  .pronunciation-audio-grid {
    grid-template-columns: repeat(4, 220px);
    min-width: max-content;
    width: max-content;
    gap: 12px;
  }

  .pronunciation-audio-card p {
    min-height: 0;
  }
}

@media (max-width: 420px) {
  .project-audiovisual {
    padding: 18px 10px;
  }

  .pronunciation-audio-card {
    padding: 14px;
  }

  .pronunciation-player {
    height: 40px;
  }
}
.calendar-result-image {
  width: 180px;
  height: auto;
}