:root {
  --bg: #0B0E11;
  --panel: #12161C;
  --nav-bg: #1B2028;
  --border: #232932;
  --text: #E7EAF0;
  --text-dim: #6B7280;
  --ok: #35D399;
  --denied: #FF5C5C;
  --waiting: #F5A623;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 24px 100px;
}

.admin-link {
  position: fixed;
  top: 16px;
  right: 16px;
  color: var(--text-dim);
  font-size: 12px;
  text-decoration: none;
  z-index: 10;
}
.admin-link:hover { color: var(--text); }

.logout-link {
  position: fixed;
  top: 16px;
  left: 16px;
  color: var(--denied);
  font-size: 12px;
  text-decoration: none;
  z-index: 10;
}
.logout-link:hover { opacity: 0.8; }

/* ---- Panel central ---- */
.terminal {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.terminal__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.terminal__title {
  font-size: 22px;
  font-weight: 600;
  margin: 6px 0 32px;
}

.gate {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 22px;
  transition: all 0.3s ease;
}

.gate__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--waiting);
  transition: border-color 0.3s ease;
}

.gate__icon {
  font-family: var(--font-mono);
  font-size: 46px;
  color: var(--waiting);
  transition: color 0.3s ease;
}

.gate[data-state="permitido"] .gate__ring {
  border-color: var(--ok);
  box-shadow: 0 0 28px rgba(53, 211, 153, 0.45);
}
.gate[data-state="permitido"] .gate__icon { color: var(--ok); }

.gate[data-state="denegado"] .gate__ring {
  border-color: var(--denied);
  box-shadow: 0 0 28px rgba(255, 92, 92, 0.45);
}
.gate[data-state="denegado"] .gate__icon { color: var(--denied); }

.gate[data-state="esperando"] .gate__ring {
  animation: pulse 1.8s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px;
}

.status-detail {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0;
}

/* ---- Barra inferior ---- */
.navbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 76px;
  background: var(--nav-bg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 20;
}

.navbar__btn {
  background: none;
  border: none;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 11px;
  cursor: pointer;
  padding: 8px 12px;
  transition: color 0.2s ease;
}

.navbar__btn svg {
  width: 22px;
  height: 22px;
}

.navbar__btn:hover,
.navbar__btn.is-active {
  color: var(--waiting);
}

/* ---- Modales (pop ups) ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 10, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 30;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-overlay--clear {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.modal-content {
  width: 100%;
  max-width: 480px;
  background: rgba(18, 22, 28, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 20px 20px 0 0;
  padding: 20px 22px calc(96px + env(safe-area-inset-bottom));
  max-height: 80vh;
  overflow-y: auto;
}

.modal-overlay--camera .modal-content--camera {
  max-width: none;
  width: 100%;
  height: 100dvh;
  max-height: 100dvh;
  border-radius: 0;
  padding: 20px 16px calc(96px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}

.modal-overlay--camera .camera-box {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.modal-overlay--camera #reader {
  flex: 1;
  min-height: 0;
}

.modal-overlay--camera #reader video {
  height: 100% !important;
  object-fit: cover;
}

.modal-content__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.modal-content__header h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
}
.modal-close:hover { color: var(--text); }

/* Campo manual */
.scan-box__row {
  display: flex;
  gap: 8px;
}

#manualCode {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
}

#manualCode:focus {
  outline: 2px solid var(--waiting);
  outline-offset: 1px;
}

#verificarBtn {
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

/* Cámara */
.camera-box { width: 100%; }

.camera-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

#reader {
  width: 100%;
  min-height: 220px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

#reader video {
  width: 100% !important;
  height: auto !important;
  display: block;
}

.camera-blur {
  position: absolute;
  inset: 0;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  background: rgba(6, 8, 10, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: backdrop-filter 0.2s ease, background 0.2s ease;
  z-index: 5;
  border-radius: 12px;
}

.camera-blur.is-active {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(6, 8, 10, 0.35);
}

.camera-readout {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  text-align: center;
  padding: 16px 24px;
  border-radius: 10px;
  color: var(--text-dim);
  word-break: break-all;
  max-width: 90%;
  transition: color 0.2s ease;
  opacity: 0;
}

.camera-blur.is-active .camera-readout {
  opacity: 1;
}

.camera-readout--ok { color: var(--ok); }
.camera-readout--denied { color: var(--denied); }

.torch-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(10, 12, 15, 0.6);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 6;
}

.torch-btn svg { width: 20px; height: 20px; }

.torch-btn.is-on {
  background: var(--waiting);
  color: var(--bg);
  border-color: var(--waiting);
}

/* Historial */
.log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log__list li {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
}

.log__empty {
  color: var(--text-dim);
  justify-content: center !important;
}

/* ---- Login ---- */
.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
}

.login-form input:focus {
  outline: 2px solid var(--waiting);
  outline-offset: 1px;
}

.login-form button {
  background: var(--ok);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  margin-top: 4px;
}

.login-error {
  color: var(--denied);
  font-size: 13px;
  text-align: center;
  margin: 4px 0 0;
  min-height: 16px;
}

/* ---- Admin: lista de usuarios ---- */
.user-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.user-list li:hover { border-color: var(--waiting); }

.user-list li .user-list__nombre {
  font-family: var(--font-mono);
  font-weight: 600;
}

.user-list li .user-list__flecha { color: var(--text-dim); }

#btnVolver {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  margin-bottom: 8px;
  display: block;
}

#btnVolver:hover { color: var(--text); }

/* ---- Admin: tabla de códigos ---- */
.terminal--wide {
  max-width: 720px;
  align-items: stretch;
  text-align: left;
}

.admin-form { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.admin-form input, .admin-form select {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; color: var(--text); font-family: var(--font-body); font-size: 13px;
}
.admin-form input[type="text"] { flex: 1; min-width: 100px; }
.admin-form button {
  background: var(--ok); color: var(--bg); border: none; border-radius: 8px;
  padding: 8px 14px; font-weight: 600; cursor: pointer;
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 20px; }
.admin-table th { text-align: left; color: var(--text-dim); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.admin-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); }
.admin-table select { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 12px; padding: 4px 6px; }
.admin-table button { background: transparent; border: 1px solid var(--denied); color: var(--denied); border-radius: 6px; padding: 4px 8px; font-size: 12px; cursor: pointer; }
.admin-table button:hover { background: rgba(255, 92, 92, 0.1); }
.admin-back { color: var(--text-dim); font-size: 13px; text-decoration: none; }
.admin-back:hover { color: var(--text); }

/* Campo de nombre editable (Mis códigos) */
.nombre-field {
  position: relative;
  display: flex;
  align-items: center;
}

.inputNombre {
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 6px 22px 6px 2px;
  width: 100%;
  transition: border-color 0.2s ease, background 0.2s ease;
  border-radius: 4px 4px 0 0;
}

.inputNombre::placeholder {
  color: var(--text-dim);
  font-style: italic;
}

.nombre-field__icon {
  position: absolute;
  right: 2px;
  width: 13px;
  height: 13px;
  color: var(--text-dim);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.nombre-field:hover .nombre-field__icon { opacity: 0.6; }

.inputNombre:hover { border-bottom-color: var(--border); }

.inputNombre:focus {
  outline: none;
  border-bottom-color: var(--waiting);
  background: rgba(245, 166, 35, 0.06);
}

.inputNombre:focus ~ .nombre-field__icon { opacity: 0; }

/* ---- Responsive: celular ---- */
@media (max-width: 480px) {
  body { padding: 16px 16px 96px; }
  .terminal { padding: 24px 18px; }
  .terminal__title { font-size: 18px; }
  .gate { width: 120px; height: 120px; }
  .gate__icon { font-size: 38px; }
}

.import-box {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.import-box__label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.import-box__hint {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: normal;
}

#archivoImportar {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-dim);
}

.import-box__resultado {
  font-size: 12px;
  margin: 8px 0 0;
  color: var(--text-dim);
}

.import-box__resultado--ok { color: var(--ok); }
.import-box__resultado--error { color: var(--denied); }

.user-list__acciones {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btnEliminarUsuario {
  background: transparent;
  border: 1px solid var(--denied);
  color: var(--denied);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  cursor: pointer;
}

.btnEliminarUsuario:hover {
  background: rgba(255, 92, 92, 0.1);
}

.menu-toggle {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 20;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(11, 14, 17, 0.75);
  backdrop-filter: blur(6px);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.side-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 29;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.side-menu-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: #0f1216;
  z-index: 30;
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.side-menu.is-open {
  transform: translateX(0);
}

.side-menu__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.side-menu__title {
  color: #fff;
  font-weight: 600;
}

.side-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.side-menu__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 10px;
  border-radius: 8px;
  background: none;
  border: none;
  color: #fff;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
}

.side-menu__item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.side-menu__item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.side-menu__logout {
  color: var(--denied);
  text-decoration: none;
  padding: 12px 10px;
  font-size: 15px;
}

.faq__item {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
  color: #fff;
}

.faq__item summary {
  cursor: pointer;
  font-weight: 500;
}

.faq__item p {
  margin-top: 8px;
  font-size: 14px;
  opacity: 0.8;
}

.faq__facebook {
  display: block;
  text-align: center;
  margin-top: 16px;
  color: #4c9aff;
  text-decoration: none;
  font-weight: 500;
}

.admin-form__buscar {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 14px;
  margin: 14px 0;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #fff;
  font-size: 14px;
}

.terminal__subtitle {
  color: #fff;
  font-size: 16px;
  margin: 24px 0 10px;
}