/* ============================================================
   base.css — Reset, tipografia, layout raiz e utilitários
   ============================================================ */

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

html { font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  transition: background var(--duration), color var(--duration);
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background: radial-gradient(ellipse 60% 40% at 0% 100%, var(--brand-glow) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-sans); }
input, select, textarea { font-family: var(--font-sans); }

/* ── LAYOUT ─────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative; z-index: 1;
}

.app-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--duration) var(--ease-out);
}
.app-main.mini { margin-left: var(--sidebar-w-mini); }

/* ── TOPBAR ─────────────────────────────────────────────── */
.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 200;
  flex-shrink: 0;
}
.topbar-left  { display: flex; align-items: center; gap: 0.75rem; }
.topbar-right { display: flex; align-items: center; gap: 0.6rem; }
.topbar-title { font-size: 0.92rem; font-weight: 700; color: var(--text-secondary); }

/* ── TABS ───────────────────────────────────────────────── */
.tabs-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
}
.tab {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); padding: 0.85rem 1.25rem;
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all 0.15s; white-space: nowrap;
}
.tab:hover { color: var(--text-secondary); }
.tab.active { color: var(--text-primary); border-color: var(--brand-primary); }

/* ── STATS BAR ──────────────────────────────────────────── */
.stats-bar {
  display: flex; background: var(--bg-surface);
  border-bottom: 1px solid var(--border); overflow-x: auto;
}
.stat-item {
  flex: 1; min-width: 120px; padding: 0.8rem 1.25rem;
  border-right: 1px solid var(--border); text-align: center;
}
.stat-item:last-child { border-right: none; }
.stat-val {
  font-family: var(--font-mono); font-size: 1.15rem; font-weight: 500;
  color: var(--text-primary); display: block;
}
.stat-lbl {
  font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-muted);
  letter-spacing: 0.08em; text-transform: uppercase; display: block; margin-top: 0.1rem;
}

/* ── TOOLBAR ────────────────────────────────────────────── */
.toolbar {
  padding: 0.85rem 1.5rem;
  display: flex; align-items: center; gap: 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface); flex-wrap: wrap;
}
.search-box { flex: 1; min-width: 200px; position: relative; }
.search-box input {
  width: 100%; background: var(--bg-surface3);
  border: 1px solid var(--border-md); color: var(--text-primary);
  padding: 0.55rem 0.9rem 0.55rem 2.2rem;
  border-radius: var(--radius-md); font-family: var(--font-mono);
  font-size: 0.8rem; outline: none; transition: border-color 0.15s;
}
.search-box input:focus { border-color: var(--brand-dim); }
.search-box input::placeholder { color: var(--text-muted); }
.search-icon {
  position: absolute; left: 0.7rem; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.8rem; pointer-events: none;
}
.filter-sel {
  background: var(--bg-surface3); border: 1px solid var(--border-md);
  color: var(--text-secondary); padding: 0.55rem 0.8rem;
  border-radius: var(--radius-md); font-family: var(--font-mono);
  font-size: 0.78rem; outline: none; cursor: pointer;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: none; border-radius: var(--radius-md);
  font-family: var(--font-sans); font-weight: 700;
  cursor: pointer; transition: all 0.15s; white-space: nowrap;
  font-size: 0.82rem; padding: 0.55rem 1.1rem;
}
.btn-primary   { background: var(--brand-primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-secondary {
  background: var(--bg-surface3); border: 1px solid var(--border-md);
  color: var(--text-secondary);
}
.btn-secondary:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.btn-danger    { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-success   { background: rgba(22,163,74,0.15); border: 1px solid rgba(22,163,74,0.3); color: #4ade80; }
.btn-success:hover { background: rgba(22,163,74,0.25); }
.btn-ghost { background: none; border: 1px solid var(--border-md); color: var(--text-muted); }
.btn-ghost:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.btn-sm { font-size: 0.75rem; padding: 0.4rem 0.8rem; }
.btn-lg { font-size: 0.95rem; padding: 0.75rem 1.5rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* Notif bell */
.notif-bell {
  position: relative; background: var(--bg-surface3);
  border: 1px solid var(--border-md); color: var(--text-secondary);
  width: 34px; height: 34px; border-radius: var(--radius-md);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; transition: all 0.15s;
}
.notif-bell:hover { border-color: var(--color-warning); color: var(--color-warning); }
.notif-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--brand-primary); color: #fff;
  width: 16px; height: 16px; border-radius: var(--radius-full);
  font-size: 0.55rem; font-weight: 700; display: none;
  align-items: center; justify-content: center;
}
.notif-badge.show { display: flex; }

/* ── FORMS ──────────────────────────────────────────────── */
.form-row { display: grid; gap: 1rem; margin-bottom: 1rem; }
.form-row.cols2 { grid-template-columns: 1fr 1fr; }
.form-row.cols3 { grid-template-columns: 1fr 1fr 1fr; }
.form-field label {
  display: block; font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-secondary); margin-bottom: 0.4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%; background: var(--bg-surface3);
  border: 1px solid var(--border-md); color: var(--text-primary);
  padding: 0.65rem 0.9rem; border-radius: var(--radius-md);
  font-family: var(--font-mono); font-size: 0.82rem;
  outline: none; transition: border-color 0.15s; resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: rgba(255,0,128,0.4); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-muted); }
.section-title {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted);
  padding-bottom: 0.4rem; border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem; margin-top: 0.5rem;
}

/* ── UTILITIES ──────────────────────────────────────────── */
.mono { font-family: var(--font-mono); }
.text-muted { color: var(--text-muted); }
.text-brand { color: var(--brand-primary); }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.hidden { display: none !important; }
.empty-state {
  text-align: center; padding: 3rem 1rem;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted);
}

/* ── CONFIG BANNER ──────────────────────────────────────── */
.config-banner {
  background: rgba(245,158,11,0.06); border-bottom: 1px solid rgba(245,158,11,0.2);
  padding: 0.5rem 1.5rem; font-family: var(--font-mono); font-size: 0.7rem; color: #fbbf24;
  display: none; align-items: center; gap: 0.5rem;
}
.config-banner.show { display: flex; }

/* ── SPINNER ────────────────────────────────────────────── */
.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3); border-top-color: white;
  border-radius: 50%; animation: spin 0.5s linear infinite; vertical-align: middle; margin-left: 0.4rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-md); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-main { margin-left: 0 !important; }
  .stats-bar { display: none; }
  .form-row.cols2, .form-row.cols3 { grid-template-columns: 1fr; }
}