:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #f4f7fb;
  --text-soft: #b5bfd3;
  --text-muted: #8d98b3;
  --primary: #4f8cff;
  --primary-strong: #2f6fe9;
  --success: #27c281;
  --danger: #ff5d73;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --card-size: 170px;
  --transition: 220ms ease;
  --max-width: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 140, 255, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(39, 194, 129, 0.18), transparent 26%),
    linear-gradient(135deg, #09101f 0%, #0d1427 45%, #121933 100%);
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
}

button,
input {
  font: inherit;
}

.app-shell {
  width: 100%;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar__left {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand__logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  padding: 10px;
  box-shadow: var(--shadow);
}

.brand__text h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: 0.2px;
}

.brand__eyebrow {
  margin: 0 0 6px;
  color: var(--text-soft);
  font-size: 0.82rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.brand__subtitle {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.dashboard {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 24px 100px;
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.panel--main {
  padding: 24px;
}

.panel--side {
  padding: 24px;
  position: sticky;
  top: 110px;
}

.panel__header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
  margin-bottom: 14px;
}

.panel__header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.panel__eyebrow {
  margin: 0 0 6px;
  color: var(--text-soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.6px;
}

.panel__description {
  margin-bottom: 22px;
  color: var(--text-soft);
  line-height: 1.5;
}

.panel__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(39, 194, 129, 0.12);
  color: #c9ffe6;
  border: 1px solid rgba(39, 194, 129, 0.22);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(39, 194, 129, 0.7);
}

.usuarios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 18px;
}

.operario-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.12),
    rgba(255, 255, 255, 0.06)
  );
  padding: 16px;
  cursor: pointer;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
  overflow: hidden;
  min-height: 250px;
}

.operario-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(79, 140, 255, 0.14),
    transparent 40%,
    rgba(255, 255, 255, 0.03)
  );
  pointer-events: none;
}

.operario-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 140, 255, 0.45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.operario-card__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.operario-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.operario-card__content {
  position: relative;
  z-index: 1;
}

.operario-card__code {
  margin: 0 0 6px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.operario-card__status {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.operario-card__footer {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.operario-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(79, 140, 255, 0.12);
  color: #d9e7ff;
  border: 1px solid rgba(79, 140, 255, 0.22);
}

.chart-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 420px;
}

.chart-frame {
  width: 100%;
  height: 460px;
  border: 0;
  display: block;
  background: white;
}

.side-note {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.side-note h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.side-note p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 24px 26px;
  text-align: center;
  color: var(--text-muted);
}

.login-dialog {
  border: none;
  padding: 0;
  border-radius: 26px;
  background: transparent;
  max-width: 420px;
  width: calc(100% - 24px);
}

.login-dialog::backdrop {
  background: rgba(3, 7, 18, 0.72);
  backdrop-filter: blur(6px);
}

.login-card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.07)),
    #11182c;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.login-card__header h3 {
  margin: 0 0 6px;
  font-size: 1.35rem;
}

.login-card__header p:last-child {
  margin: 0;
  color: var(--text-soft);
}

.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: white;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.dialog-close:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: scale(1.05);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
}

.form-group label {
  color: var(--text-soft);
  font-size: 0.94rem;
}

.form-group input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: white;
  border-radius: 14px;
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus {
  border-color: rgba(79, 140, 255, 0.65);
  box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.12);
}

.form-group input::placeholder {
  color: #93a0be;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
}

.error-message {
  min-height: 20px;
  margin: 14px 0 0;
  color: #ff9eaa;
  font-size: 0.92rem;
}

@media (max-width: 1100px) {
  .dashboard {
    grid-template-columns: 1fr;
  }

  .panel--side {
    position: static;
  }
}

@media (max-width: 768px) {
  .topbar__left,
  .dashboard,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .brand__logo {
    width: 56px;
    height: 56px;
  }

  .panel--main,
  .panel--side {
    padding: 18px;
  }

  .panel__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .usuarios {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .operario-card {
    min-height: 220px;
    padding: 12px;
  }

  .chart-frame {
    height: 360px;
  }
}

@media (max-width: 520px) {
  .usuarios {
    grid-template-columns: 1fr;
  }

  .dialog-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}