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

:root {
  --bg: #0a0c10;
  --surface: #12151c;
  --border: #1e2330;
  --accent: #00e5a0;
  --accent2: #0077ff;
  --accentHelp: #ffff00;
  --text: #e8eaf0;
  --muted: #5a6070;
}

body {
  font-family: "Syne", sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── HEADER ─────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.logo {
  text-decoration: none;
  display: inline-block;
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  padding: 3px 8px;
  white-space: nowrap;
}

h1 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
}

.stats {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.stat {
  text-align: right;
}

.stat-value {
  font-family: "Space Mono", monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─── UPLOAD BAR ──────────────────────────────────────────── */
.upload-bar {
  padding: 0.5rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.upload-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: "Space Mono", monospace;
  white-space: nowrap;
}

#fileInput {
  display: none;
}

.btn-upload {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 5px 14px;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    background 0.15s,
    color 0.15s;
  white-space: nowrap;
}

.btn-upload:hover {
  background: var(--accent);
  color: var(--bg);
}

#filename {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#filename.loaded {
  color: var(--accent2);
}

.search-wrap {
  margin-left: auto;
  position: relative;
}

#searchInput {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 12px 5px 30px;
  font-family: "Syne", sans-serif;
  font-size: 0.78rem;
  width: 200px;
  outline: none;
  transition: border-color 0.15s;
}

#searchInput:focus {
  border-color: var(--accent2);
}

.search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.7rem;
}

/* ─── LAYOUT PRINCIPAL ────────────────────────────────────── */
.main {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

#map {
  flex: 1;
  min-width: 0;
}

/* ─── SIDEBAR (desktop) ───────────────────────────────────── */
.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.25s ease;
}

.sidebar-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Botón para cerrar sidebar en mobile */
.sidebar-close {
  display: none;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.client-list {
  overflow-y: auto;
  flex: 1;
}

.client-list::-webkit-scrollbar {
  width: 4px;
}
.client-list::-webkit-scrollbar-track {
  background: transparent;
}
.client-list::-webkit-scrollbar-thumb {
  background: var(--border);
}

.client-item {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}

.client-item:hover,
.client-item.active {
  background: rgba(0, 229, 160, 0.06);
}

.client-item.active {
  border-left: 2px solid var(--accent);
}

.client-id {
  font-family: "Space Mono", monospace;
  font-size: 0.62rem;
  color: var(--accent);
  margin-bottom: 2px;
}

.client-dir {
  font-size: 0.75rem;
  color: var(--text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.client-coords {
  font-family: "Space Mono", monospace;
  font-size: 0.58rem;
  color: var(--muted);
  margin-top: 3px;
}

/* Botón flotante para abrir sidebar en mobile */
.btn-sidebar-toggle {
  display: none;
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 800;
  background: var(--surface);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  cursor: pointer;
  box-shadow: 0 0 16px rgba(0, 229, 160, 0.2);
  transition:
    background 0.15s,
    color 0.15s;
}

.btn-sidebar-toggle:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ─── POPUP LEAFLET ───────────────────────────────────────── */
.leaflet-popup-content-wrapper {
  background: var(--surface) !important;
  border: 1px solid var(--accent) !important;
  border-radius: 0 !important;
  box-shadow: 0 0 20px rgba(0, 229, 160, 0.15) !important;
  color: var(--text) !important;
}

.leaflet-popup-tip {
  background: var(--accent) !important;
}

.leaflet-popup-content {
  margin: 10px 14px !important;
  font-family: "Syne", sans-serif !important;
}

.popup-id {
  font-family: "Space Mono", monospace;
  font-size: 0.62rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.popup-dir {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.35;
}

.popup-coords {
  font-family: "Space Mono", monospace;
  font-size: 0.62rem;
  color: var(--muted);
}

/* ─── EMPTY STATE ─────────────────────────────────────────── */
.empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  z-index: 1000;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  opacity: 0.2;
}

.empty-text {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: "Space Mono", monospace;
}

/* ─── ABOUT ───────────────────────────────────────────────── */
.about-author {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1rem;
  margin-bottom: 1.2rem;
}
.about-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
}
.about-role {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}
.about-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.about-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 0.8rem;
  transition:
    border-color 0.15s,
    background 0.15s;
}
.about-link:hover {
  border-color: var(--accent2);
  background: rgba(0, 119, 255, 0.05);
}
.about-link-placeholder {
  opacity: 0.45;
  pointer-events: none;
}
.about-link-icon {
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent2);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* ─── BOTONES INFO ────────────────────────────────────────── */
.btn-info {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    border-color 0.15s,
    color 0.15s;
}
.btn-info:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}

.btn-info-help {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    border-color 0.15s,
    color 0.15s;
}
.btn-info-help:hover {
  border-color: var(--accentHelp);
  color: var(--accentHelp);
}

/* ─── MODALES ─────────────────────────────────────────────── */
.modal-box {
  background: var(--surface);
  border: 1px solid var(--accent);
  width: 540px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 40px rgba(0, 229, 160, 0.12);
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.2rem;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.modal-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 2px 6px;
  transition: color 0.15s;
}
.modal-close:hover {
  color: var(--text);
}
.modal-body {
  padding: 1.2rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text);
}
.modal-body p {
  margin-bottom: 0.75rem;
}
.modal-body strong {
  color: var(--accent);
  font-weight: 700;
}
.modal-body .mt {
  margin-top: 1rem;
}
.col-table {
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
  font-size: 0.76rem;
}
.col-row {
  display: grid;
  grid-template-columns: 100px 110px 1fr;
}
.col-row span {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.col-row span:last-child {
  border-right: none;
}
.header-row {
  background: rgba(0, 229, 160, 0.05);
  font-family: "Space Mono", monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.modal-body pre {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  font-family: "Space Mono", monospace;
  font-size: 0.68rem;
  color: var(--accent2);
  overflow-x: auto;
  margin-bottom: 0.75rem;
  line-height: 1.7;
}
.modal-body code {
  font-family: "Space Mono", monospace;
  font-size: 0.78em;
  background: rgba(255, 255, 255, 0.05);
  padding: 1px 5px;
  color: var(--accent2);
}
.tips {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tips li {
  padding: 5px 0 5px 1rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  font-size: 0.78rem;
  color: var(--muted);
}
.tips li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.tips li:last-child {
  border-bottom: none;
}

/* ─── FOOTER ──────────────────────────────────────────────── */
footer {
  flex-shrink: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0.45rem 1rem;
  font-family: "Space Mono", monospace;
  font-size: 0.62rem;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.06em;
}
footer a {
  color: var(--accent);
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet  (< 1024px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .sidebar {
    width: 230px;
  }

  h1 {
    font-size: 0.9rem;
  }

  .logo {
    font-size: 0.62rem;
  }

  #searchInput {
    width: 160px;
  }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Mobile  (< 640px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  /* Header compacto: logo + título en una fila, stats a la derecha */
  header {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
  }

  .logo {
    font-size: 0.58rem;
    padding: 2px 6px;
    letter-spacing: 0.08em;
  }

  h1 {
    font-size: 0.82rem;
    /* Ocultar en pantallas muy chicas si el logo ya dice todo */
  }

  .stats {
    gap: 0.85rem;
  }

  .stat-value {
    font-size: 0.9rem;
  }

  .stat-label {
    font-size: 0.58rem;
  }

  /* Upload bar: dos filas */
  .upload-bar {
    padding: 0.45rem 0.75rem;
    row-gap: 0.45rem;
  }

  /* Primera fila: label + botones de acción */
  .upload-label {
    order: 0;
  }
  .btn-info-help {
    order: 1;
  }
  .btn-info {
    order: 2;
  }
  .btn-upload {
    order: 3;
  }

  /* Nombre del archivo ocupa la segunda fila completa */
  #filename {
    order: 5;
    width: 100%;
    flex: none;
  }

  /* Búsqueda también segunda fila, toma el espacio */
  .search-wrap {
    order: 6;
    margin-left: 0;
    width: 100%;
    flex: none;
  }

  #searchInput {
    width: 100%;
  }

  /* ── Sidebar: panel deslizante desde abajo ── */
  .sidebar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 55%;
    border-left: none;
    border-top: 1px solid var(--accent);
    z-index: 700;
    transform: translateY(100%);
    /* oculto por defecto */
  }

  .sidebar.open {
    transform: translateY(0);
  }

  /* Mostrar botón de cierre dentro del header del sidebar */
  .sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid var(--border);
    transition:
      border-color 0.15s,
      color 0.15s;
  }

  .sidebar-close:hover {
    border-color: var(--accent);
    color: var(--accent);
  }

  /* Botón flotante sobre el mapa */
  .btn-sidebar-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  /* Modal a ancho completo en mobile */
  .modal-box {
    width: 95vw;
    max-height: 88vh;
  }

  /* Tabla de columnas del modal: apilar en mobile */
  .col-row {
    grid-template-columns: 1fr;
  }

  .col-row span {
    border-right: none;
  }

  .header-row {
    display: none; /* el contexto queda claro sin encabezado en mobile */
  }

  footer {
    font-size: 0.55rem;
    padding: 0.4rem 0.5rem;
    letter-spacing: 0.03em;
  }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Pantallas muy chicas  (< 380px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 380px) {
  h1 {
    display: none; /* el logo es suficiente */
  }

  .logo {
    font-size: 0.55rem;
  }

  .stat-value {
    font-size: 0.8rem;
  }
}