/* ============================================
   TOKENS
   ============================================ */
:root {
  --bg: #0b0f14;
  --bg-elevated: #121821;
  --bg-card: #161d27;
  --border: #232c38;
  --text: #e7edf3;
  --text-dim: #8fa1b3;
  --accent: #35d0c0;       /* sinal ativo - cyan/teal */
  --accent-dim: #1c7d73;
  --warn: #f5b942;         /* vencendo */
  --danger: #ef5b5b;       /* vencido */
  --amber: #ff9f43;        /* CTA principal */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   LOGIN / PIN SCREEN
   ============================================ */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(53,208,192,0.06), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255,159,67,0.05), transparent 40%),
    var(--bg);
}

.login-card {
  width: 100%;
  max-width: 360px;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.login-signal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.login-card h1 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
}

.pin-input {
  width: 100%;
  padding: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 18px;
  text-align: center;
  letter-spacing: 8px;
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

.pin-input:focus { outline: none; border-color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #06201c; }
.btn-primary:hover { opacity: 0.9; }
.btn-amber { background: var(--amber); color: #2b1400; }
.btn-amber:hover { opacity: 0.9; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid rgba(239,91,91,0.4); }

.error-msg { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 16px; }

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}

.topbar-brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.container { padding: 28px; max-width: 1200px; margin: 0 auto; }

/* ============================================
   CARDS DE RESUMO
   ============================================ */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.summary-card .label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.summary-card .value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
}

.summary-card.ok .value { color: var(--accent); }
.summary-card.warn .value { color: var(--warn); }
.summary-card.danger .value { color: var(--danger); }

/* ============================================
   TOOLBAR / FILTROS
   ============================================ */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.toolbar-filters { display: flex; gap: 8px; flex-wrap: wrap; }

select, input[type="text"], input[type="search"] {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 12px;
  font-size: 13px;
  font-family: var(--font-body);
}

select:focus, input:focus { outline: none; border-color: var(--accent); }

/* ============================================
   TABELA DE CLIENTES
   ============================================ */
.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

table { width: 100%; border-collapse: collapse; min-width: 760px; }

th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.badge.ok { background: rgba(53,208,192,0.12); color: var(--accent); }
.badge.warn { background: rgba(245,185,66,0.12); color: var(--warn); }
.badge.danger { background: rgba(239,91,91,0.12); color: var(--danger); }
.badge.neutral { background: rgba(143,161,179,0.12); color: var(--text-dim); }

.row-actions { display: flex; gap: 6px; }
.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(6,10,14,0.75);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  padding: 28px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 {
  font-family: var(--font-display);
  font-size: 18px;
  margin-bottom: 20px;
}

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.field input, .field select { width: 100%; }

.modal-actions { display: flex; gap: 10px; margin-top: 22px; }

/* ============================================
   TOAST
   ============================================ */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 200;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }
#toast.error { border-color: var(--danger); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

/* ============================================
   TABS
   ============================================ */
.tabs-bar {
  display: flex;
  gap: 4px;
  padding: 0 28px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel.hidden { display: none; }

.section-header { margin-bottom: 12px; }
.section-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.collapsible-header {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.collapsible-header:hover { border-color: var(--accent); }
.collapsible-header h3 { margin: 0; }

.collapse-arrow {
  color: var(--accent);
  font-size: 12px;
  transition: transform 0.15s ease;
  margin-left: auto;
}

.collapse-arrow.open { transform: rotate(90deg); }

.collapsible-content { margin-top: 10px; }
.collapsible-content.hidden { display: none; }

/* ============================================
   MENSAGENS
   ============================================ */
.msg-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.msg-card h3 {
  font-family: var(--font-display);
  font-size: 14px;
  margin-bottom: 14px;
  color: var(--accent);
}

code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warn);
}

@media (max-width: 640px) {
  .container { padding: 16px; }
  .topbar { padding: 14px 16px; }
  .tabs-bar { padding: 0 16px; overflow-x: auto; }
}