@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap");

:root {
  --azul-oscuro: #1a2859;
  --azul-vibrante: #2374ab;
  --azul-claro: #dbeafe;
  --azul-card: #f5f8fc;
  --blanco: #fff;
  --acento: #1ecbe1;
  --gris: #7a8ca4;
  --shadow: 0 2px 16px rgba(26, 40, 89, 0.11);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --night-bg: #151a2b;
  --night-card: #202945;
  --night-text: #dbeafe;
  --night-accent: #2374ab;
  --transition: background 0.3s, color 0.3s;
}
html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", Arial, sans-serif;
  background: var(--azul-card);
  color: var(--azul-oscuro);
  min-height: 100vh;
  position: relative;
  transition: var(--transition);
}
body.night {
  background: var(--night-bg);
  color: var(--night-text);
}
main {
  padding-bottom: 80px;
  min-height: 100vh;
  transition: var(--transition);
}
.card,
.card-small {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  max-width: 440px;
  margin: 0 auto 18px auto;
  padding: 32px 20px;
  animation: fadeSlideIn 0.6s;
  transition: var(--transition);
}
.card-small {
  border-radius: var(--radius-md);
  padding: 22px 12px;
}
body.night .card,
body.night .card-small {
  background: var(--night-card);
  color: var(--night-text);
  box-shadow: 0 2px 16px rgba(35, 116, 171, 0.17);
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 18px 8px 18px;
  background: var(--azul-claro);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: var(--transition);
}
body.night header {
  background: var(--night-card);
  color: var(--night-text);
}
.logo-main {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 16px;
}
.logo-main img {
  height: 52px;
  filter: drop-shadow(0 2px 8px #dbeafe);
}
.logo-extras {
  display: flex;
  gap: 10px;
}
.logo-extras img {
  height: 33px;
}
h1,
h2,
h3 {
  color: var(--azul-oscuro);
  font-weight: 800;
  margin: 14px 0 8px 0;
  letter-spacing: 0.01em;
  transition: var(--transition);
}
h1 {
  font-size: 2em;
  margin-bottom: 6px;
}
h2 {
  font-size: 1.18em;
  margin-bottom: 7px;
}
h3 {
  font-size: 1.08em;
  margin-bottom: 5px;
}
body.night h1,
body.night h2,
body.night h3 {
  color: var(--night-text);
}
.muted {
  color: var(--gris);
  font-size: 0.98em;
  transition: var(--transition);
}
body.night .muted {
  color: #b2c7e7;
}
.primary-btn {
  display: block;
  width: 100%;
  padding: 13px 0;
  margin: 17px 0;
  background: linear-gradient(
    90deg,
    var(--azul-oscuro) 60%,
    var(--azul-vibrante) 100%
  );
  color: var(--blanco);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.08em;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 2px 14px rgba(26, 40, 89, 0.15);
  transition: background 0.16s, box-shadow 0.16s, var(--transition);
  animation: fadeInUp 0.8s;
}
body.night .primary-btn {
  background: linear-gradient(
    90deg,
    var(--night-accent) 60%,
    var(--night-text) 100%
  );
  color: var(--azul-oscuro);
}
.primary-btn:hover,
.primary-btn:focus {
  background: linear-gradient(
    90deg,
    var(--azul-vibrante) 70%,
    var(--acento) 100%
  );
  box-shadow: 0 4px 28px rgba(26, 40, 89, 0.17);
}
body.night .primary-btn:hover,
body.night .primary-btn:focus {
  background: linear-gradient(
    90deg,
    var(--night-accent) 70%,
    var(--night-text) 100%
  );
  color: var(--azul-oscuro);
}
.app-screen {
  display: none;
  max-width: 440px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: none;
  padding: 0;
  background: transparent;
  margin-bottom: 30px;
  animation: fadeSlideIn 0.7s;
}
.app-screen.visible {
  display: block;
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.auto-fields,
.flex-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.auto-fields > div,
.flex-row > div {
  flex: 1 1 180px;
  min-width: 120px;
}
form label {
  font-size: 0.97em;
  font-weight: 700;
  color: var(--azul-vibrante);
  margin-bottom: 2px;
  display: block;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
}
body.night form label {
  color: var(--night-accent);
}
form input,
form select,
form textarea {
  width: 100%;
  padding: 9px;
  font-size: 1em;
  border: 1.5px solid #b5c7e6;
  border-radius: var(--radius-sm);
  margin-bottom: 13px;
  background: #f6faff;
  transition: border 0.15s, var(--transition);
  box-sizing: border-box;
  font-family: inherit;
}
body.night form input,
body.night form select,
body.night form textarea {
  background: #232e4a;
  color: var(--night-text);
  border-color: #2374ab;
}
form input:focus,
form select:focus,
form textarea:focus {
  border-color: var(--azul-vibrante);
  outline: none;
}
.photos-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}
.photos-group > div {
  background: #e4edfa;
  border-radius: var(--radius-sm);
  padding: 8px;
  box-shadow: 0 1px 6px rgba(35, 116, 171, 0.08);
  transition: var(--transition);
}
body.night .photos-group > div {
  background: #232e4a;
  color: var(--night-text);
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.97em;
  background: var(--blanco);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
body.night table {
  background: var(--night-card);
  color: var(--night-text);
}
table th,
table td {
  padding: 7px 6px;
  border-bottom: 1px solid #e7ecf3;
  text-align: left;
  transition: var(--transition);
}
body.night table th,
body.night table td {
  border-bottom: 1px solid #2374ab;
  color: var(--night-text);
}
table th {
  background: var(--azul-claro);
  color: var(--azul-oscuro);
  font-weight: 700;
  transition: var(--transition);
}
body.night table th {
  background: #232e4a;
  color: var(--night-text);
}
.celdas-group {
  display: flex;
  gap: 14px;
  margin-top: 10px;
}
.celda {
  flex: 1;
  background: #e4edfa;
  border-radius: var(--radius-sm);
  padding: 9px 5px;
  box-shadow: 0 1px 8px rgba(35, 116, 171, 0.08);
  min-height: 90px;
  transition: var(--transition);
}
.celda h3 {
  font-size: 1.08em;
  margin-bottom: 7px;
  font-weight: 700;
  color: var(--azul-oscuro);
  transition: var(--transition);
}
body.night .celda {
  background: #232e4a;
  color: var(--night-text);
}
body.night .celda h3 {
  color: var(--night-text);
}
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  max-width: 440px;
  margin: 0 auto;
  background: var(--azul-claro);
  box-shadow: 0 -2px 12px rgba(26, 40, 89, 0.07);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 66px;
  z-index: 100;
  border-top: 1.5px solid #b5c7e6;
  transition: var(--transition);
}
body.night .bottom-nav {
  background: #232e4a;
  border-top: 1.5px solid #2374ab;
}
.bottom-nav button {
  background: transparent;
  border: none;
  color: var(--azul-vibrante);
  font-size: 1em;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 0 8px;
  transition: color 0.22s, background 0.22s, var(--transition);
  outline: none;
  border-radius: 8px;
}
.bottom-nav button:focus,
.bottom-nav button.active {
  color: var(--azul-oscuro);
  background: var(--azul-claro);
}
body.night .bottom-nav button {
  color: var(--night-accent);
}
body.night .bottom-nav button.active {
  color: var(--night-text);
  background: #202945;
}
.nav-icon {
  font-size: 1.35em;
  margin-bottom: 2px;
  display: block;
  transition: color 0.22s;
}
/* Íconos SVG personalizados menú inferior */
.nav-svg {
  width: 26px;
  height: 26px;
  display: block;
  margin: 0 auto 2px auto;
}
.datetime {
  font-size: 1.08em;
  font-weight: 600;
  color: var(--azul-vibrante);
  margin-bottom: 8px;
  text-align: right;
  transition: var(--transition);
}
body.night .datetime {
  color: var(--night-accent);
}
.filters {
  margin-top: 4px;
  display: flex;
  gap: 10px;
  align-items: center;
}
.filters input {
  flex: 1;
  margin-bottom: 0;
  border-radius: var(--radius-sm);
}
.filters .primary-btn {
  width: auto;
  padding: 9px 18px;
  margin: 0;
  font-size: 0.97em;
}
/* Login */
#login-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--azul-card);
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  z-index: 9999;
  transition: var(--transition);
}
body.night #login-screen {
  background: var(--night-bg);
}
.login-card {
  max-width: 390px;
  padding: 38px 24px 32px 24px;
  background: var(--blanco);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeSlideIn 0.7s;
  transition: var(--transition);
}
body.night .login-card {
  background: var(--night-card);
  color: var(--night-text);
  box-shadow: 0 2px 16px rgba(35, 116, 171, 0.17);
}
.login-logo {
  margin-bottom: 22px;
}
.login-logo img {
  height: 64px;
  filter: drop-shadow(0 2px 14px #dbeafe);
}
.login-card h2 {
  font-size: 1.35em;
  color: var(--azul-vibrante);
  font-weight: 800;
  margin-bottom: 2px;
  transition: var(--transition);
}
body.night .login-card h2 {
  color: var(--night-accent);
}
.login-card p {
  color: var(--gris);
  margin-bottom: 16px;
  font-size: 1.07em;
  text-align: center;
  font-weight: 500;
  transition: var(--transition);
}
body.night .login-card p {
  color: #b2c7e7;
}
.login-card input {
  font-size: 1em;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1.5px solid #b5c7e6;
  margin-bottom: 12px;
  width: 100%;
  background: #f6faff;
  transition: border 0.16s, var(--transition);
  font-family: inherit;
}
body.night .login-card input {
  background: #232e4a;
  color: var(--night-text);
  border-color: #2374ab;
}
.login-card input:focus {
  border-color: var(--azul-vibrante);
}
body.night .login-card input:focus {
  border-color: var(--night-accent);
}
.login-card .primary-btn {
  margin-top: 12px;
  margin-bottom: 0;
}
.login-error {
  color: #c13d4b;
  font-size: 0.98em;
  margin-bottom: 7px;
  text-align: center;
  animation: fadeInUp 0.45s;
}
/* Perfil */
.perfil-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #e4edfa;
  color: var(--azul-oscuro);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 1em;
  font-weight: 600;
  margin: 9px 0;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
body.night .perfil-btn {
  background: #232e4a;
  color: var(--night-text);
}
body.night .perfil-btn:hover {
  background: #1a2859;
  color: var(--night-accent);
}
.perfil-btn:hover {
  background: var(--azul-claro);
  color: var(--azul-vibrante);
}
.perfil-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  margin-top: 22px;
}
.switch-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 9px 0;
}
.switch-night {
  width: 40px;
  height: 24px;
  border-radius: 16px;
  background: #b5c7e6;
  position: relative;
  cursor: pointer;
  transition: background 0.18s;
  display: inline-block;
}
.switch-night .slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--azul-vibrante);
  transition: left 0.2s, background 0.18s;
}
.switch-night.night {
  background: #2374ab;
}
.switch-night.night .slider {
  left: 18px;
  background: var(--night-accent);
}
.switch-night:active .slider {
  box-shadow: 0 2px 8px #2374ab;
}
.perfil-label {
  font-size: 1.07em;
  color: var(--azul-vibrante);
  font-weight: 700;
  transition: var(--transition);
}
body.night .perfil-label {
  color: var(--night-accent);
}
/* Centrado de textos inicio */
.inicio-centre {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 12px;
}
.inicio-centre h1,
.inicio-centre p,
.inicio-centre h2 {
  text-align: center;
  width: 100%;
}
/* Evitar scroll horizontal en formularios */
.card form,
.card {
  overflow-x: auto;
  max-width: 100vw;
  box-sizing: border-box;
}
@media screen and (max-width: 540px) {
  main,
  body {
    padding: 0;
    max-width: 100vw;
    min-width: 100vw;
  }
  .app-screen,
  .card,
  .card-small,
  .login-card {
    border-radius: 0;
    box-shadow: none;
    padding: 16px 3px 24px 3px;
    max-width: 100vw;
  }
  .bottom-nav {
    max-width: 100vw;
    border-radius: 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .auto-fields > div,
  .flex-row > div {
    min-width: 110px;
  }
}