:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --text: #0f172a;
  --text-soft: #475569;
  --primary: #0f766e;
  --primary-strong: #0b5e58;
  --danger: #b91c1c;
  --border: #dbe3ee;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.1);
  --radius: 14px;
  --radius-sm: 10px;
  --space-1: clamp(6px, 0.5vw, 8px);
  --space-2: clamp(10px, 0.9vw, 12px);
  --space-3: clamp(14px, 1.2vw, 16px);
  --space-4: clamp(18px, 1.6vw, 22px);
  --space-5: clamp(22px, 2vw, 28px);
  --header-h: 64px;
  --ring: 0 0 0 4px rgba(15, 118, 110, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  font-size: clamp(15px, 0.2vw + 14px, 17px);
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, #d7fff8 0%, transparent 35%),
    linear-gradient(180deg, #f0f6ff 0%, var(--bg) 30%, var(--bg) 100%);
  line-height: 1.45;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--primary);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.35);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-3);
  background: #111827;
  color: #fff;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: 10px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.86);
  backdrop-filter: blur(10px);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
}

.menu-toggle:active {
  transform: scale(0.96);
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: #e5edf7;
}

.sidebar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 260px;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  background: #0f172a;
  border-right: 1px solid #1f2937;
  transform: translateX(-100%);
  transition: transform 0.24s ease;
  z-index: 55;
}

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

.sidebar nav ul {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
}

.nav-link {
  display: block;
  border-radius: 10px;
  color: #dbe4f0;
  text-decoration: none;
  padding: 10px 12px;
  margin-bottom: 6px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.nav-link:hover {
  background: #1e293b;
  color: #fff;
  transform: translateX(2px);
}

.nav-link.is-active {
  background: #0f766e;
  color: #fff;
}

.nav-link-danger {
  color: #fecaca;
}

.sidebar-backdrop {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(2px);
  z-index: 54;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.sidebar-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.main-content,
.container {
  margin: 0;
  padding: var(--space-4) var(--space-3);
  min-height: calc(100vh - 120px);
  width: 100%;
  animation: page-enter 260ms ease-out;
}

#conteudo-principal {
  scroll-margin-top: 80px;
}

h1,
h2,
h3 {
  margin: 0 0 var(--space-2);
  line-height: 1.2;
}

p {
  color: var(--text-soft);
}

.btn,
button {
  border: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, #10867d 0%, var(--primary) 100%);
  color: #fff;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.14s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
button:hover {
  background: linear-gradient(180deg, #0f7f76 0%, var(--primary-strong) 100%);
  box-shadow: var(--shadow-sm);
}

.btn:active,
button:active {
  transform: translateY(1px);
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input:hover,
select:hover,
textarea:hover {
  border-color: #c7d7ea;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: var(--ring);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 0.95rem;
}

th,
td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 10px 12px;
  font-size: 0.94rem;
}

th {
  background: var(--surface-muted);
  color: #1f2937;
  position: sticky;
  top: 0;
  z-index: 1;
}

tr:hover td {
  background: #f9fcff;
}

tbody tr:nth-child(even) td {
  background: #fbfdff;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.list-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.list-toolbar .btn {
  min-height: 40px;
}

.filter-form {
  display: grid;
  gap: var(--space-2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(248, 252, 255, 0.9) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-sm);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-2);
}

.filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.results-meta {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-bottom: var(--space-2);
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-3);
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.15s ease, background 0.2s ease;
}

.page-link:hover {
  border-color: #aac7eb;
  background: #f8fbff;
}

.page-link.is-active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.table-empty {
  text-align: center;
  color: var(--text-soft);
  padding: 20px;
}

.quick-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.quick-card h3 {
  margin-bottom: var(--space-1);
}

.quick-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #c8d9ed;
}

.quick-card small {
  color: var(--text-soft);
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.auth-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  padding: 28px;
  animation: pop-in 280ms ease-out;
}

.auth-card h2 {
  margin-bottom: var(--space-3);
}

.field {
  margin-bottom: 12px;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input {
  width: 100%;
}

.btn-full {
  width: 100%;
}

.auth-footnote {
  margin-top: 12px;
  margin-bottom: 0;
  text-align: center;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: var(--space-2);
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 10px var(--space-2);
  margin-bottom: var(--space-2);
}

/* --- Form card --- */
.form-card {
  max-width: 720px;
  background: var(--surface);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* Extend .field to cover select and textarea */
.field select,
.field textarea {
  width: 100%;
}

/* --- Form action row --- */
.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* --- Secondary back link --- */
.btn-link {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
}

.btn-link:hover {
  color: var(--text);
  text-decoration: underline;
}

footer {
  margin-top: auto;
  margin-left: 0;
  padding: 14px var(--space-3);
  color: #64748b;
  text-align: center;
  background: transparent;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (min-width: 960px) {
  .menu-toggle {
    display: none;
  }

  .sidebar {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: none;
  }

  .main-content,
  .container,
  footer {
    margin-left: 260px;
  }

  .main-content,
  .container,
  footer {
    padding-left: clamp(22px, 3vw, 42px);
    padding-right: clamp(22px, 3vw, 42px);
  }
}

@media (max-width: 720px) {
  .header {
    padding-inline: var(--space-2);
  }

  .brand {
    font-size: 1rem;
  }

  .user-chip span {
    display: none;
  }

  .main-content,
  .container {
    padding-inline: var(--space-2);
  }

  .form-card {
    max-width: 100%;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions .btn-link,
  .form-actions .btn,
  .form-actions button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .pagination {
    gap: 6px;
  }

  .page-link {
    min-width: 36px;
    padding: 8px 10px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}