/* base.css — Reset, variáveis, tipografia e componentes compartilhados */

/* ===========================
   VARIÁVEIS CSS
   =========================== */
:root {
  --color-primary: #1a56a4;
  --color-primary-dark: #143e80;
  --color-primary-light: #e8f0fb;
  --color-secondary: #2d9e6b;
  --color-secondary-dark: #1e7a51;

  --color-danger: #c0392b;
  --color-danger-light: #fdecea;
  --color-warning: #e67e22;
  --color-warning-light: #fef3e2;
  --color-success: #27ae60;
  --color-success-light: #e9f7ef;
  --color-info: #2980b9;
  --color-info-light: #eaf4fb;

  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-focus: #1a56a4;
  --color-bg: #f9fafb;
  --color-bg-white: #ffffff;
  --color-bg-dark: #111827;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;

  --transition: 150ms ease;

  --sidebar-width: 240px;
  --topbar-height: 56px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
textarea { resize: vertical; }

/* ===========================
   CONTAINER
   =========================== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ===========================
   BOTÕES
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  border: none;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background var(--transition), opacity var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}
.btn-secondary:hover:not(:disabled) { background: var(--color-secondary-dark); }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #a93226; }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover:not(:disabled) { background: var(--color-border); color: var(--color-text); }

.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8125rem; }
.btn-block { width: 100%; justify-content: center; }

/* ===========================
   FORMULÁRIOS
   =========================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1.1rem;
}

.form-group label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
}

label.required::after {
  content: ' *';
  color: var(--color-danger);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-white);
  color: var(--color-text);
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(26, 86, 164, 0.15);
}

input.invalid,
select.invalid,
textarea.invalid {
  border-color: var(--color-danger);
}

.field-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  min-height: 1.2em;
}

.field-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.char-count {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-align: right;
  margin-top: 0.15rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.form-error-global {
  font-size: 0.875rem;
  color: var(--color-danger);
  padding: 0.5rem;
  background: var(--color-danger-light);
  border-radius: var(--radius-sm);
  display: none;
}
.form-error-global:not(:empty) { display: block; }

/* Radio e Checkbox */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.radio-group.radio-inline { flex-direction: row; gap: 1rem; }

.radio-option {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.radio-option:hover { border-color: var(--color-primary); }
.radio-option input[type="radio"] { margin-top: 0.15rem; flex-shrink: 0; }

.radio-label { font-weight: 600; display: block; }
.radio-desc { font-size: 0.8125rem; color: var(--color-text-muted); display: block; }

.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
}
.checkbox-option input { margin-top: 0.2rem; flex-shrink: 0; }

/* ===========================
   FIELDSET (seções de formulário)
   =========================== */
fieldset.form-section {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

fieldset.form-section legend {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  padding: 0 0.5rem;
}

/* ===========================
   TABELA ADMINISTRATIVA
   =========================== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
}

table {
  width: 100%;
  border-collapse: collapse;
}

table th {
  background: var(--color-bg);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  vertical-align: middle;
}

table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--color-primary-light); }
table tr.clickable-row { cursor: pointer; }

/* ===========================
   BADGES / STATUS
   =========================== */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger  { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-muted   { background: var(--color-border); color: var(--color-text-muted); }
.badge-alert   { background: var(--color-danger); color: #fff; }

/* ===========================
   TOAST
   =========================== */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 360px;
}

.toast {
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: toastIn 200ms ease;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.toast-success { background: var(--color-success); color: #fff; }
.toast-error   { background: var(--color-danger);  color: #fff; }
.toast-info    { background: var(--color-info);    color: #fff; }
.toast-warning { background: var(--color-warning); color: #fff; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===========================
   MODAL
   =========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-box {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-wide { max-width: 720px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 { font-size: 1.05rem; }

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-text-muted);
  line-height: 1;
  padding: 0.2rem;
}
.modal-close:hover { color: var(--color-text); }

.modal-body { padding: 1.25rem 1.5rem; flex: 1; }
.modal-actions {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ===========================
   SPINNER
   =========================== */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

.spinner-center {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 2rem auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===========================
   ALERTAS
   =========================== */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.alert-warning { background: var(--color-warning-light); color: #7a4500; border: 1px solid #f5cba7; }
.alert-danger  { background: var(--color-danger-light);  color: var(--color-danger); border: 1px solid #f1948a; }
.alert-success { background: var(--color-success-light); color: #186a3b; border: 1px solid #a9dfbf; }
.alert-info    { background: var(--color-info-light);    color: #1a5276; border: 1px solid #aed6f1; }

/* ===========================
   PAGINAÇÃO
   =========================== */
.paginacao {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  justify-content: center;
}

.paginacao button {
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: background var(--transition);
}
.paginacao button:hover:not(:disabled) { background: var(--color-primary-light); }
.paginacao button.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.paginacao button:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===========================
   UTILITÁRIOS
   =========================== */
.loading-text { color: var(--color-text-muted); padding: 1.5rem; text-align: center; font-style: italic; }
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}