:root {
  --bg:#0d1117; --surface:#161b22; --surface2:#1e2530; --border:#30363d;
  --text:#e6edf3; --muted:#8b949e; --accent:#f78166; --accent2:#ff9f43;
  --green:#3fb950; --blue:#58a6ff; --purple:#bc8cff;
  --radius:14px; --radius-sm:8px;
  --shadow:0 8px 32px rgba(0,0,0,0.5); --shadow-sm:0 2px 8px rgba(0,0,0,0.3);
  --font-mono:'Space Mono',monospace; --font-main:'DM Sans',sans-serif;
  --tr:0.25s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="light"] {
  --bg:#f0f2f5; --surface:#fff; --surface2:#f6f8fa; --border:#d0d7de;
  --text:#1c2128; --muted:#57606a;
  --shadow:0 8px 32px rgba(0,0,0,0.12); --shadow-sm:0 2px 8px rgba(0,0,0,0.08);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg);color:var(--text);min-height:100vh;transition:background var(--tr),color var(--tr);overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(247,129,102,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(247,129,102,0.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}
[data-theme="light"] body::before{background-image:linear-gradient(rgba(0,0,0,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,0.04) 1px,transparent 1px)}
/* Marca de agua del escudo: transparente, cubre la página, sin aspecto de tarjeta */
body::after{content:'';position:fixed;inset:0;background-image:url('../images/preffind-shield.svg');background-repeat:no-repeat;background-position:center 46%;background-size:min(680px,82vw);opacity:0.07;pointer-events:none;z-index:0}
[data-theme="light"] body::after{opacity:0.09}
.app{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:24px 20px 48px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:baseline;gap:4px}
.logo-pre{font-family:var(--font-mono);font-size:1.7rem;font-weight:700;color:var(--accent);letter-spacing:-1px}
.logo-find{font-family:var(--font-mono);font-size:1.7rem;font-weight:700;color:var(--text);letter-spacing:-1px}
.logo-dot{font-family:var(--font-mono);font-size:1rem;color:var(--muted);margin-left:6px}
.header-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.badge-e164{font-family:var(--font-mono);font-size:0.68rem;color:var(--muted);border:1px solid var(--border);padding:3px 8px;border-radius:20px;letter-spacing:1px}
.theme-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all var(--tr);box-shadow:var(--shadow-sm)}
.theme-btn:hover{transform:rotate(20deg) scale(1.1);border-color:var(--accent)}
.search-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm);transition:background var(--tr)}
.search-label{font-size:0.75rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.search-row{display:flex;gap:10px}
.search-input-wrap{flex:1;position:relative}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:1rem;pointer-events:none}
#userInput{width:100%;padding:13px 14px 13px 40px;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:0.95rem;color:var(--text);outline:none;transition:border-color var(--tr),box-shadow var(--tr)}
#userInput::placeholder{color:var(--muted);font-family:var(--font-main)}
#userInput:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(247,129,102,0.15)}
.btn-search{padding:13px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:0.85rem;font-weight:700;letter-spacing:1px;cursor:pointer;transition:all var(--tr);white-space:nowrap}
.btn-search:hover{background:var(--accent2);transform:translateY(-1px);box-shadow:0 4px 12px rgba(247,129,102,0.4)}
#resultCard{display:none;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--green);border-radius:var(--radius);padding:16px 20px;margin-bottom:18px;box-shadow:var(--shadow-sm);animation:slideDown 0.3s ease;transition:background var(--tr)}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.result-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.prefix-badge{font-family:var(--font-mono);font-size:1.1rem;font-weight:700;background:var(--green);color:#000;padding:5px 12px;border-radius:6px;letter-spacing:1px}
.prefix-country{font-family:var(--font-mono);font-size:0.85rem;font-weight:700;background:var(--surface2);color:var(--green);border:1px solid var(--green);padding:4px 10px;border-radius:6px;letter-spacing:1px}
.prefix-city{font-family:var(--font-mono);font-size:0.85rem;font-weight:700;background:var(--accent);color:#000;padding:4px 10px;border-radius:6px;letter-spacing:1px}
.result-name{font-size:1.1rem;font-weight:500;color:var(--text)}
.result-flag{font-size:1.6rem;line-height:1}
.map-container{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
.map-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);background:var(--surface2);flex-wrap:wrap;gap:8px}
.map-title{font-size:0.8rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.map-controls{display:flex;gap:8px;flex-wrap:wrap}
.btn-map{padding:7px 14px;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-family:var(--font-mono);font-size:0.73rem;font-weight:700;letter-spacing:0.5px;cursor:pointer;transition:all var(--tr)}
.btn-map:hover{border-color:var(--accent);color:var(--accent)}
.btn-map.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-map.active-blue{background:var(--blue);color:#fff;border-color:var(--blue)}
#map{height:540px;width:100%}
.sub-panel{display:none;padding:14px 18px;border-top:1px solid var(--border);background:var(--surface2);transition:background var(--tr)}
.sub-panel.visible{display:block}
.legend-wrap{display:flex;gap:12px;flex-wrap:wrap}
.legend-item{display:flex;align-items:center;gap:6px;font-size:0.78rem;color:var(--muted)}
.legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.world-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:5px;max-height:260px;overflow-y:auto}
.world-item{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:6px;cursor:pointer;transition:background var(--tr);font-size:0.82rem}
.world-item:hover{background:var(--surface)}
.world-item .wi-prefix{font-family:var(--font-mono);color:var(--accent);font-size:0.78rem;min-width:46px}
/* ── MODAL ── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px);z-index:9000;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;max-width:520px;width:100%;box-shadow:var(--shadow);animation:slideDown 0.25s ease;max-height:85vh;overflow-y:auto}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}
.modal-flag{font-size:2.4rem;line-height:1}
.modal-title-wrap{flex:1}
.modal-country{font-size:1.2rem;font-weight:600;color:var(--text);margin-bottom:4px}
.modal-prefix{font-family:var(--font-mono);color:var(--accent);font-size:0.9rem}
.modal-close{background:none;border:1px solid var(--border);color:var(--muted);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--tr)}
.modal-close:hover{border-color:var(--accent);color:var(--accent)}
.modal-section{margin-bottom:16px}
.modal-section-title{font-size:0.72rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.tz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.tz-card{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:10px 12px}
.tz-name{font-size:0.75rem;color:var(--muted);margin-bottom:4px}
.tz-time{font-family:var(--font-mono);font-size:1.1rem;font-weight:700;color:var(--text)}
.tz-offset{font-size:0.72rem;color:var(--accent);margin-top:2px}
.roaming-pills{display:flex;flex-wrap:wrap;gap:6px}
.roaming-pill{font-size:0.75rem;padding:4px 10px;border-radius:20px;font-weight:600;font-family:var(--font-mono)}
.pill-local{background:rgba(240,125,17,0.2);color:#f07d11;border:1px solid rgba(240,125,17,0.4)}
.pill-can{background:rgba(177,242,80,0.15);color:#7ac230;border:1px solid rgba(177,242,80,0.3)}
.pill-america{background:rgba(46,204,113,0.15);color:#2ecc71;border:1px solid rgba(46,204,113,0.3)}
.pill-europa{background:rgba(52,152,219,0.15);color:#3498db;border:1px solid rgba(52,152,219,0.3)}
.pill-asia{background:rgba(155,89,182,0.15);color:#9b59b6;border:1px solid rgba(155,89,182,0.3)}
.pill-africa{background:rgba(35,148,133,0.15);color:#239485;border:1px solid rgba(35,148,133,0.3)}
.pill-oceania{background:rgba(186,79,232,0.15);color:#ba4fe8;border:1px solid rgba(186,79,232,0.3)}
.pill-mundial{background:rgba(247,129,102,0.15);color:var(--accent);border:1px solid rgba(247,129,102,0.3)}
.no-roaming-msg{font-size:0.85rem;color:var(--muted);font-style:italic}
.net-card{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;margin-bottom:8px}
.net-name{display:flex;align-items:center;gap:6px;font-weight:700;font-size:0.86rem;color:var(--text);margin-bottom:9px}
.net-grid{display:grid;grid-template-columns:auto 1fr 1fr;gap:5px 10px;font-size:0.76rem;align-items:center}
.net-grid .net-t{font-family:var(--font-mono);font-weight:700;color:var(--accent);font-size:0.72rem;letter-spacing:0.5px}
.net-y,.net-n{display:inline-flex;align-items:center;gap:4px}
.net-y{color:var(--green);font-weight:600}
.net-n{color:var(--muted);opacity:0.7;text-decoration:line-through;text-decoration-thickness:1px}
.net-y::before{content:'✓';font-weight:800}
.net-n::before{content:'✕';font-weight:800;text-decoration:none;display:inline-block}
.net-span2{grid-column:span 2}
.net-note{font-size:0.74rem;color:var(--muted);margin-top:10px;line-height:1.5}
.sf-badge{display:flex;align-items:center;gap:6px;font-size:0.82rem;font-weight:700;color:var(--green);background:rgba(63,185,80,0.12);border:1px solid rgba(63,185,80,0.4);border-radius:10px;padding:8px 12px;margin-bottom:10px}
/* leaflet */
.leaflet-container{background:var(--bg) !important;font-family:var(--font-main)}
.leaflet-popup-content-wrapper{background:var(--surface) !important;color:var(--text) !important;border:1px solid var(--border) !important;border-radius:10px !important;box-shadow:var(--shadow) !important}
.leaflet-popup-tip{background:var(--surface) !important}
.leaflet-control-zoom a{background:var(--surface) !important;color:var(--text) !important;border-color:var(--border) !important}
.country-tooltip{background:var(--surface) !important;border:1px solid var(--border) !important;border-radius:8px !important;padding:8px 12px !important;box-shadow:var(--shadow-sm) !important;font-family:var(--font-main) !important;color:var(--text) !important;font-size:0.82rem !important;pointer-events:none;white-space:nowrap}
.tt-name{font-weight:600;margin-bottom:2px}
.tt-prefix{font-family:var(--font-mono);color:var(--accent);font-size:0.78rem}
.tt-roaming{font-size:0.72rem;color:var(--muted);margin-top:4px;border-top:1px solid var(--border);padding-top:4px}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--surface)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--muted)}
/* ── Zoom overlay ── */
.map-zoom-overlay{position:absolute;top:12px;right:12px;z-index:1000;display:flex;flex-direction:column;gap:4px}
#mapLoading{position:absolute;top:12px;left:50%;transform:translateX(-50%);z-index:1000;display:none;align-items:center;gap:8px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:50px;padding:7px 16px;font-size:0.8rem;font-weight:700;box-shadow:var(--shadow-sm)}
#mapLoading.show{display:flex}
.ml-spin{width:13px;height:13px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:mlspin 0.7s linear infinite}
@keyframes mlspin{to{transform:rotate(360deg)}}
.zoom-btn{width:34px;height:34px;border-radius:7px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:1.2rem;font-weight:700;cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--tr);display:flex;align-items:center;justify-content:center}
.zoom-btn:hover{border-color:var(--accent);color:var(--accent);transform:scale(1.08)}
/* ── Pantallas grandes ── */
@media(min-width:1400px){.app{max-width:1380px}#map{height:620px}}
@media(min-width:1800px){.app{max-width:1700px}#map{height:750px}.world-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}}
@media(min-width:2200px){.app{max-width:2100px}#map{height:900px}}
/* ── Tablet ── */
@media(max-width:900px){.map-header{flex-direction:column;align-items:flex-start}.modal-box{max-width:95vw}.tz-grid{grid-template-columns:1fr 1fr}}
/* ── Movil ── */
@media(max-width:600px){.search-row{flex-direction:column}.map-controls{gap:4px}.btn-map{padding:5px 8px;font-size:0.68rem}#map{height:360px}.world-grid{grid-template-columns:1fr 1fr}.modal-box{padding:16px}.tz-grid{grid-template-columns:1fr}.logo-pre,.logo-find{font-size:1.3rem}.badge-e164{display:none}.map-title{font-size:0.7rem}}
/* ── Movil pequeño ── */
@media(max-width:380px){#map{height:300px}.btn-map{padding:4px 6px;font-size:0.63rem}.map-zoom-overlay{top:8px;right:8px}.zoom-btn{width:28px;height:28px;font-size:1rem}}
/* ── Historial ── */
#historyRow{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;min-height:0}
.hist-chip{font-family:var(--font-mono);font-size:0.72rem;padding:4px 10px;border-radius:20px;background:var(--surface2);border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:all var(--tr);white-space:nowrap}
.hist-chip:hover{border-color:var(--accent);color:var(--accent)}
.hist-clear{font-size:0.7rem;padding:4px 8px;border-radius:20px;background:none;border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:all var(--tr)}
.hist-clear:hover{border-color:#e74c3c;color:#e74c3c}
/* ── Buscador operadora/paquete ── */
.op-panel{display:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin-bottom:18px;box-shadow:var(--shadow-sm);transition:background var(--tr)}
.op-panel.visible{display:block}
.op-search-row{display:flex;gap:8px;margin-bottom:10px}
.op-input{flex:1;padding:9px 12px;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-main);font-size:0.88rem;color:var(--text);outline:none;transition:border-color var(--tr)}
.op-input:focus{border-color:var(--accent)}
.op-results{font-size:0.82rem;color:var(--muted)}
.op-country-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.op-tag{padding:4px 10px;border-radius:6px;background:var(--surface2);border:1px solid var(--border);color:var(--text);cursor:pointer;font-size:0.78rem;transition:all var(--tr)}
.op-tag:hover{border-color:var(--accent);color:var(--accent)}
/* ── Autocomplete ── */
.ac-wrap{position:relative}
#acDropdown{display:none;position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow);z-index:5000;max-height:220px;overflow-y:auto}
#acDropdown.open{display:block}
.ac-item{display:flex;align-items:center;gap:10px;padding:8px 12px;cursor:pointer;font-size:0.85rem;transition:background var(--tr)}
.ac-item:hover,.ac-sel{background:var(--surface2)}
.ac-pfx{font-family:var(--font-mono);color:var(--accent);font-size:0.78rem;min-width:52px}
.ac-nm{color:var(--text);flex:1}
/* Modal de ayuda */
.help-modal {
  max-width: 700px;
}
.help-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  flex-wrap: wrap;
}
.help-tab {
  background: none;
  border: none;
  padding: 8px 16px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--tr);
}
.help-tab:hover {
  background: var(--surface2);
  color: var(--text);
}
.help-tab.active {
  background: var(--accent);
  color: #fff;
}
.help-content {
  min-height: 280px;
}
.help-panel {
  display: none;
  animation: fadeIn 0.25s ease;
}
.help-panel.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}
.help-step {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.step-icon {
  font-size: 1.8rem;
  line-height: 1;
  min-width: 48px;
  text-align: center;
}
.help-step strong {
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}
.help-step code {
  background: var(--surface2);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}
.help-step ul {
  margin-left: 18px;
  color: var(--muted);
}
.help-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}
@media (max-width: 600px) {
  .help-tab {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  .help-step {
    flex-direction: column;
    gap: 8px;
  }
  .step-icon {
    font-size: 1.4rem;
    text-align: left;
  }
}
/* ── Botón Calcular Vuelo ── */
.btn-vuelo-wrap { display: flex; align-items: center; }
.btn-vuelo {
  padding: 9px 14px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--tr);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.btn-vuelo:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }
.btn-vuelo.active { background: var(--blue); color: #fff; border-color: var(--blue); }
/* Logo clickeable */
.logo { background: none; border: none; cursor: pointer; padding: 0; font: inherit; }
.logo:hover .logo-find { color: var(--accent); }
/* Vistas embebidas (vuelo / mini-tool) */
#flightView, #toolView { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
#flightFrame, #toolFrame { width: 100%; height: 78vh; min-height: 560px; border: 0; display: block; }

/* Móvil/tablet: las vistas embebidas ocupan TODA la pantalla (el iframe ya trae
   su propio botón «← Volver» que regresa a la interfaz principal de PREffind). */
@media (max-width: 900px) {
  #flightView, #toolView {
    position: fixed; inset: 0; z-index: 6000;
    border: 0; border-radius: 0; box-shadow: none;
  }
  #flightFrame, #toolFrame {
    height: 100vh; height: 100dvh; min-height: 0;
  }
}