/* TECHSTOCK — Main CSS */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --azul-escuro: #0B3C5D;
  --azul-claro:  #1DA1F2;
  --laranja:     #FF7A00;
  --bg:          #f0f4f8;
  --sidebar-w:   240px;
  --radius:      10px;
  --shadow:      0 2px 12px rgba(0,0,0,.08);
}

body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: #1a2a3a; font-size: 15px; }

/* ── SIDEBAR ── */
.sidebar {
  position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100vh;
  background: var(--azul-escuro); color: #fff; display: flex; flex-direction: column;
  z-index: 100; transition: transform .3s;
}
.sidebar-brand { padding: 24px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-brand .name { font-size: 1.4rem; font-weight: 800; letter-spacing: -1px; }
.sidebar-brand .name span { color: var(--laranja); }
.sidebar-brand .tagline { font-size: .72rem; color: rgba(255,255,255,.55); margin-top: 3px; }
.sidebar-nav { flex: 1; padding: 14px 0; overflow-y: auto; }
.nav-section { font-size: .68rem; font-weight: 700; color: rgba(255,255,255,.35); text-transform: uppercase; letter-spacing: 1px; padding: 14px 20px 6px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: rgba(255,255,255,.75); text-decoration: none; font-size: .88rem; font-weight: 500; transition: all .2s; border-left: 3px solid transparent; }
.nav-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.nav-item.active { background: rgba(29,161,242,.18); color: #fff; border-left-color: var(--azul-claro); }
.nav-item .icon { font-size: 1rem; width: 20px; text-align: center; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .78rem; color: rgba(255,255,255,.5); }
.sidebar-footer .user-name { color: #fff; font-weight: 600; font-size: .85rem; }
.sidebar-footer .btn-logout { display: inline-block; margin-top: 8px; color: #ff6b6b; text-decoration: none; font-size: .8rem; }

/* ── MAIN LAYOUT ── */
.main { margin-left: var(--sidebar-w); min-height: 100vh; }
.topbar { background: #fff; border-bottom: 1px solid #e8edf2; padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow); }
.topbar-title { font-size: 1.1rem; font-weight: 700; color: var(--azul-escuro); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.content { padding: 28px; }

/* ── CARDS ── */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; margin-bottom: 28px; }
.kpi-card { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); border-left: 4px solid var(--azul-claro); }
.kpi-card.warn { border-left-color: var(--laranja); }
.kpi-card.danger { border-left-color: #e74c3c; }
.kpi-card.ok { border-left-color: #27ae60; }
.kpi-label { font-size: .75rem; font-weight: 600; color: #888; text-transform: uppercase; letter-spacing: .5px; }
.kpi-value { font-size: 2rem; font-weight: 800; color: var(--azul-escuro); margin: 6px 0 2px; line-height: 1; }
.kpi-sub { font-size: .75rem; color: #aaa; }

/* ── TABLES ── */
.card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 24px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid #f0f0f0; display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: .95rem; font-weight: 700; color: var(--azul-escuro); }
.card-body { padding: 20px; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th { background: #f8fafc; color: #555; font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; padding: 10px 14px; text-align: left; border-bottom: 2px solid #e8edf2; }
tbody tr { border-bottom: 1px solid #f0f4f8; transition: background .15s; }
tbody tr:hover { background: #f8fafc; }
tbody td { padding: 11px 14px; color: #333; vertical-align: middle; }
tbody tr:last-child { border-bottom: none; }

/* ── BADGES ── */
.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: .72rem; font-weight: 700; text-transform: uppercase; }
.badge-entrada  { background: #d4edda; color: #155724; }
.badge-saida    { background: #f8d7da; color: #721c24; }
.badge-transf   { background: #cce5ff; color: #004085; }
.badge-principal { background: #fff3cd; color: #856404; }
.badge-secundario { background: #e2d9f3; color: #432874; }
.badge-ok    { background: #d4edda; color: #155724; }
.badge-low   { background: #fff3cd; color: #856404; }
.badge-empty { background: #f8d7da; color: #721c24; }
.badge-admin { background: #cce5ff; color: #004085; }
.badge-locacao { background: #e2d9f3; color: #432874; }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; font-size: .85rem; font-weight: 600; border: none; cursor: pointer; text-decoration: none; transition: all .2s; }
.btn-primary { background: var(--azul-escuro); color: #fff; }
.btn-primary:hover { background: #0d4f7a; }
.btn-blue { background: var(--azul-claro); color: #fff; }
.btn-blue:hover { background: #1a91da; }
.btn-orange { background: var(--laranja); color: #fff; }
.btn-orange:hover { background: #e06d00; }
.btn-success { background: #27ae60; color: #fff; }
.btn-success:hover { background: #219150; }
.btn-danger { background: #e74c3c; color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-ghost { background: transparent; color: var(--azul-escuro); border: 2px solid #ddd; }
.btn-ghost:hover { border-color: var(--azul-claro); color: var(--azul-claro); }
.btn-sm { padding: 5px 10px; font-size: .78rem; }
.btn-icon { padding: 6px 8px; }

/* ── FORMS ── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: .8rem; font-weight: 600; color: #555; }
.form-control { padding: 9px 12px; border: 2px solid #e0e8f0; border-radius: 8px; font-size: .9rem; width: 100%; transition: border .2s; background: #fff; }
.form-control:focus { outline: none; border-color: var(--azul-claro); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ── MODAL ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200; align-items: center; justify-content: center; padding: 16px; }
.modal-overlay.active { display: flex; }
.modal { background: #fff; border-radius: 14px; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal-header { padding: 20px 24px 16px; border-bottom: 1px solid #f0f0f0; display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 1rem; font-weight: 700; color: var(--azul-escuro); }
.modal-close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: #aaa; line-height: 1; }
.modal-close:hover { color: #333; }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 14px 24px; border-top: 1px solid #f0f0f0; display: flex; gap: 10px; justify-content: flex-end; }

/* ── ALERTS ── */
.alert { padding: 12px 16px; border-radius: 8px; font-size: .88rem; margin-bottom: 16px; }
.alert-danger  { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.alert-info    { background: #cce5ff; color: #004085; border: 1px solid #b8daff; }

/* ── FILTROS ── */
.filter-bar { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 20px; margin-bottom: 20px; display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar .form-group { min-width: 160px; flex: 1; }
.filter-bar .form-group label { font-size: .75rem; }

/* ── TOAST ── */
#toast { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast-item { background: #1a2a3a; color: #fff; padding: 12px 18px; border-radius: 10px; font-size: .88rem; box-shadow: 0 4px 20px rgba(0,0,0,.25); animation: slideIn .3s ease; min-width: 220px; }
.toast-item.success { background: #27ae60; }
.toast-item.error   { background: #e74c3c; }
.toast-item.warning { background: var(--laranja); }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── SALDO CARD ── */
.saldo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.saldo-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; border-top: 3px solid var(--azul-claro); }
.saldo-card.low  { border-top-color: var(--laranja); }
.saldo-card.empty { border-top-color: #e74c3c; }
.saldo-card-name { font-size: .9rem; font-weight: 700; color: var(--azul-escuro); margin-bottom: 4px; }
.saldo-card-code { font-size: .72rem; color: #888; margin-bottom: 10px; }
.saldo-rows { display: flex; flex-direction: column; gap: 6px; }
.saldo-row { display: flex; justify-content: space-between; align-items: center; font-size: .82rem; padding: 5px 8px; background: #f8fafc; border-radius: 6px; }
.saldo-row .loc { color: #555; }
.saldo-row .qty { font-weight: 700; color: var(--azul-escuro); }
.saldo-row .qty.low { color: var(--laranja); }
.saldo-row .qty.empty { color: #e74c3c; }

/* ── MOBILE ── */
.hamburger { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--azul-escuro); }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 99; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main { margin-left: 0; }
  .hamburger { display: block; }
  .content { padding: 16px; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; }
  .filter-bar .form-group { min-width: unset; }
  table { font-size: .8rem; }
  thead th, tbody td { padding: 8px 10px; }
  .topbar { padding: 12px 16px; }
}
@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }
}

/* ── MISC ── */
.page-title { font-size: 1.4rem; font-weight: 800; color: var(--azul-escuro); margin-bottom: 20px; }
.text-muted { color: #888; font-size: .82rem; }
.divider { border: none; border-top: 1px solid #e8edf2; margin: 20px 0; }
.empty-state { text-align: center; padding: 48px 20px; color: #aaa; }
.empty-state .icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { font-size: .9rem; }
.tag { display: inline-block; padding: 2px 8px; background: #e8edf2; border-radius: 4px; font-size: .75rem; color: #555; font-weight: 600; }