/* =========================================================================
   Design System — Plataforma de Precificação de Engenharia
   ========================================================================= */
:root {
  --azul-escuro: #1c2e3f;
  --azul-medio: #2c4a63;
  --azul-claro: #3f6f93;
  --cinza-fundo: #f3f5f7;
  --branco: #ffffff;
  --verde: #1e8a4c;
  --verde-claro: #e6f6ec;
  --vermelho: #c0392b;
  --vermelho-claro: #fbeaea;
  --amarelo: #e6a000;
  --amarelo-claro: #fff6e0;
  --borda: #dde3e8;
  --texto: #222b33;
  --texto-suave: #5a6675;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(28, 46, 63, 0.08), 0 1px 2px rgba(28, 46, 63, 0.06);
  --shadow-md: 0 4px 16px rgba(28, 46, 63, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cinza-fundo);
  color: var(--texto);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

h1, h2, h3, h4 { margin: 0 0 0.5em; color: var(--azul-escuro); }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 0.75em; }
a { color: var(--azul-claro); }

button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ---- Boot / loading ---------------------------------------------------- */
.boot-loading {
  position: fixed; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px; background: var(--cinza-fundo);
  z-index: 999;
}
.boot-logo { height: 40px; }
.spinner {
  width: 32px; height: 32px; border-radius: 50%;
  border: 3px solid var(--borda); border-top-color: var(--azul-claro);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Layout geral -------------------------------------------------------- */
.app-shell { display: flex; flex-direction: column; min-height: 100vh; }

.app-header {
  display: flex; align-items: center; gap: 24px;
  background: var(--branco); border-bottom: 1px solid var(--borda);
  padding: 10px 20px; position: sticky; top: 0; z-index: 50;
  flex-wrap: wrap;
}
.app-header__brand { display: flex; align-items: center; gap: 8px; }
.app-header__logo { height: 30px; }
.app-header__title { font-weight: 600; color: var(--azul-escuro); }
.app-header__user { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.app-header__user-name { color: var(--texto-suave); font-size: 0.85rem; }

.tab-content { flex: 1; padding: 20px; max-width: 1400px; margin: 0 auto; width: 100%; }

/* ---- Cards --------------------------------------------------------------- */
.card {
  background: var(--branco); border: 1px solid var(--borda); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 18px;
}
.card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 10px; flex-wrap: wrap; }
.card__header h2, .card__header h3 { margin: 0; }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }

.summary-card {
  background: var(--cinza-fundo); border: 1px solid var(--borda); border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.summary-card__label { font-size: 0.78rem; color: var(--texto-suave); text-transform: uppercase; letter-spacing: 0.03em; }
.summary-card__value { font-size: 1.4rem; font-weight: 700; color: var(--azul-escuro); margin-top: 4px; }
.summary-card--destaque {
  background: linear-gradient(135deg, var(--azul-escuro), var(--azul-medio));
  color: var(--branco); border: none;
}
.summary-card--destaque .summary-card__label { color: rgba(255,255,255,0.75); }
.summary-card--destaque .summary-card__value { color: var(--branco); font-size: 1.9rem; }

/* ---- Botões --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; border-radius: var(--radius-sm);
  border: 1px solid transparent; padding: 8px 14px; font-weight: 600; cursor: pointer;
  transition: filter 0.15s, background 0.15s; white-space: nowrap;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn--sm { padding: 5px 10px; font-size: 0.82rem; }
.btn--primary { background: var(--azul-escuro); color: var(--branco); }
.btn--primary:hover:not(:disabled) { filter: brightness(1.15); }
.btn--success { background: var(--verde); color: var(--branco); }
.btn--success:hover:not(:disabled) { filter: brightness(1.1); }
.btn--danger { background: var(--vermelho); color: var(--branco); }
.btn--danger:hover:not(:disabled) { filter: brightness(1.1); }
.btn--warning { background: var(--amarelo); color: var(--azul-escuro); }
.btn--outline { background: var(--branco); color: var(--azul-escuro); border-color: var(--borda); }
.btn--outline:hover:not(:disabled) { background: var(--cinza-fundo); }
.btn--icon { padding: 6px 8px; }

/* ---- Formulários ------------------------------------------------------------ */
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field label { font-size: 0.82rem; font-weight: 600; color: var(--texto-suave); }
.field input, .field select, .field textarea {
  border: 1px solid var(--borda); border-radius: var(--radius-sm); padding: 8px 10px;
  background: var(--branco); color: var(--texto); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--azul-claro); box-shadow: 0 0 0 3px rgba(63,111,147,0.15);
}
.field textarea { resize: vertical; min-height: 70px; }
.field--check { flex-direction: row; align-items: center; gap: 8px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 4px 16px; }
.form-row-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }

/* ---- Tabelas --------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.data-table th, table.data-table td {
  padding: 8px 10px; border-bottom: 1px solid var(--borda); text-align: left; vertical-align: middle;
}
table.data-table th { background: var(--cinza-fundo); color: var(--texto-suave); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.02em; }
table.data-table tbody tr:hover { background: rgba(63,111,147,0.05); }
table.data-table input, table.data-table select { border: 1px solid transparent; background: transparent; padding: 4px 6px; width: 100%; border-radius: 4px; }
table.data-table input:focus, table.data-table select:focus { border-color: var(--azul-claro); background: var(--branco); outline: none; }
table.data-table td.num, table.data-table th.num { text-align: right; }
table.data-table tfoot td { font-weight: 700; background: var(--cinza-fundo); }

/* ---- Badges --------------------------------------------------------------- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; }
.badge--azul { background: rgba(63,111,147,0.15); color: var(--azul-medio); }
.badge--verde { background: var(--verde-claro); color: var(--verde); }
.badge--vermelho { background: var(--vermelho-claro); color: var(--vermelho); }
.badge--amarelo { background: var(--amarelo-claro); color: var(--amarelo); }
.badge--cinza { background: var(--cinza-fundo); color: var(--texto-suave); border: 1px solid var(--borda); }

/* ---- Toast ----------------------------------------------------------------- */
.toast-container { position: fixed; top: 16px; right: 16px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  min-width: 260px; max-width: 360px; padding: 12px 14px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); color: var(--branco); font-size: 0.88rem; font-weight: 500;
  animation: toast-in 0.2s ease-out; display: flex; align-items: center; gap: 8px;
}
.toast--success { background: var(--verde); }
.toast--error { background: var(--vermelho); }
.toast--info { background: var(--azul-medio); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Modal ------------------------------------------------------------------ */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(28,46,63,0.45); display: flex;
  align-items: center; justify-content: center; z-index: 500; animation: fade-in 0.15s ease-out; padding: 16px;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--branco); border-radius: var(--radius); box-shadow: var(--shadow-md);
  max-width: 560px; width: 100%; max-height: 90vh; overflow-y: auto; padding: 20px;
}
.modal__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.modal__footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.modal__close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--texto-suave); }

/* ---- Progresso --------------------------------------------------------------- */
.progress-bar { height: 8px; background: var(--borda); border-radius: 999px; overflow: hidden; }
.progress-bar__fill { height: 100%; background: var(--verde); transition: width 0.3s; }

/* ---- Login screen -------------------------------------------------------------- */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--azul-escuro), var(--azul-medio)); padding: 20px;
}
.login-card {
  background: var(--branco); border-radius: var(--radius); box-shadow: var(--shadow-md);
  width: 100%; max-width: 380px; padding: 32px 28px;
}
.login-card__logo { display: flex; justify-content: center; margin-bottom: 18px; }
.login-card h1 { text-align: center; font-size: 1.15rem; margin-bottom: 20px; }
.login-divider { text-align: center; color: var(--texto-suave); font-size: 0.8rem; margin: 14px 0; position: relative; }
.login-links { display: flex; justify-content: space-between; font-size: 0.82rem; margin-top: 14px; }
.login-error { background: var(--vermelho-claro); color: var(--vermelho); padding: 8px 10px; border-radius: var(--radius-sm); font-size: 0.82rem; margin-bottom: 12px; }
.btn--google { width: 100%; background: var(--branco); border: 1px solid var(--borda); color: var(--texto); justify-content: center; }
.btn--block { width: 100%; justify-content: center; }

/* ---- Utilitários -------------------------------------------------------------- */
.text-suave { color: var(--texto-suave); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none !important; }
.empty-state { text-align: center; padding: 30px 10px; color: var(--texto-suave); }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.drag-handle { cursor: grab; color: var(--texto-suave); }
tr.dragging { opacity: 0.5; }