/* =========================================================
   FASE 5 — DESIGN SYSTEM BASE
   Fonte oficial de identidade visual do produto
   ========================================================= */

/* ---------- TOKENS ---------- */
:root{
  color-scheme: dark;
  --bg:#0b1220;
  --bg-grad:radial-gradient(900px 500px at 20% 10%, rgba(77,125,255,.14), transparent 60%), var(--bg);
  --side-grad:linear-gradient(180deg,#0f1a33,#0b1220);
  --card:#111a2e;
  --txt:#e8eefc;
  --muted:#9db0df;
  --accent:#4d7dff;
  --ok:#22c55e;
  --warn:#ffcc66;
  --bad:#ff5a7a;
  --stroke:rgba(255,255,255,.08);
  --stroke-strong:rgba(255,255,255,.12);
  --surface:rgba(255,255,255,.03);
  --surface-2:rgba(255,255,255,.02);
  --surface-3:rgba(255,255,255,.05);
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow-accent:0 8px 30px rgba(77,125,255,.35);
  --shadow-card:0 10px 30px rgba(0,0,0,.15);
  --sidebar-w:280px;
  --content-pad:18px;
  --field-pad-y:10px;
  --field-pad-x:12px;
}

/* ---------- RESET BASE ---------- */
*,
*::before,
*::after{box-sizing:border-box}

html{height:100%}

body{
  margin:0;
  min-height:100%;
  background:var(--bg-grad);
  color:var(--txt);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
}

a{color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}

/* ---------- APP SHELL ---------- */
.app{
  display:grid;
  grid-template-columns:var(--sidebar-w) minmax(0,1fr);
  min-height:100vh;
}

.side{
  background:var(--side-grad);
  border-right:1px solid var(--stroke);
  padding:16px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
}

.main{
  min-width:0;
  padding:var(--content-pad);
  overflow:auto;
}

.wrap{
  max-width:1200px;
  margin:0 auto;
  padding:16px;
  min-height:100vh;
}

.top,
.topbar,
.head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:12px;
}

.brand{
  display:flex;
  gap:10px;
  align-items:center;
}

.logo{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--accent);
  box-shadow:var(--shadow-accent);
  flex:0 0 auto;
}

.brand h1,
.title h1,
.head h1,
h1{
  margin:0;
  letter-spacing:.4px;
}

.brand h1{font-size:14px}
.brand p,
.meta,
.small,
.mini{
  color:var(--muted);
  font-size:12px;
}

.title,
.titles{
  display:flex;
  flex-direction:column;
  gap:2px;
}

/* ---------- NAV ---------- */
.nav{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:12px;
}

/* ---------- CARDS ---------- */
.card{
  background:var(--surface);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  padding:14px;
  box-shadow:var(--shadow-card);
  margin-bottom:12px;
}

.card h2{
  margin:0 0 8px 0;
  font-size:16px;
}

/* ---------- LAYOUT UTILS ---------- */
.row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:flex-end;
}

.grid{
  display:grid;
  gap:12px;
}

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
  min-width:160px;
  flex:1;
}

.lbl,
label{
  color:var(--muted);
  font-size:11px;
  font-weight:700;
  letter-spacing:.4px;
}

.lbl{text-transform:uppercase}

.actions,
.toolbar{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}

.hidden{display:none !important}

/* ---------- BUTTONS ---------- */
.btn,
.navbtn,
.btnmini{
  border:1px solid var(--stroke);
  background:var(--surface);
  color:var(--txt);
  padding:10px 12px;
  border-radius:var(--radius-sm);
  cursor:pointer;
  text-align:left;
  display:inline-flex;
  align-items:center;
  justify-content:flex-start;
  gap:8px;
  text-decoration:none;
  transition:border-color .15s ease, background-color .15s ease, opacity .15s ease, transform .05s ease;
}

.btn:hover,
.navbtn:hover,
.btnmini:hover{
  border-color:rgba(77,125,255,.45);
}

.btn:active,
.navbtn:active,
.btnmini:active{
  transform:translateY(1px);
}

.btn.active,
.navbtn.active{
  background:rgba(77,125,255,.15);
  border-color:rgba(77,125,255,.35);
  box-shadow:0 0 0 3px rgba(77,125,255,.12) inset;
}

.btn.primary,
.btn.pri{
  background:rgba(77,125,255,.16);
  border-color:rgba(77,125,255,.55);
  color:#fff;
}

.btn.ok{
  background:rgba(34,197,94,.15);
  border-color:rgba(34,197,94,.35);
  color:#d8ffe9;
}

.btn.danger,
.btn.bad,
.navbtn.danger,
.btnmini.danger{
  background:rgba(255,90,122,.12);
  border-color:rgba(255,90,122,.35);
  color:#ffd0d0;
}

.btn.warn{
  background:rgba(255,204,102,.12);
  border-color:rgba(255,204,102,.35);
  color:#ffe6a6;
}

.btn.sm,
.btnmini{
  padding:8px 10px;
  border-radius:var(--radius-xs);
  font-size:12px;
}

.btn.block{
  width:100%;
}

.btn:disabled,
.navbtn:disabled,
.btnmini:disabled{
  opacity:.55;
  cursor:not-allowed;
}

/* ---------- INPUTS ---------- */
.inp,
.sel,
.ta,
input,
select,
textarea{
  width:100%;
  border:1px solid var(--stroke);
  background:var(--surface-2);
  color:var(--txt);
  padding:var(--field-pad-y) var(--field-pad-x);
  border-radius:var(--radius-sm);
  outline:none;
}

.inp:focus,
.sel:focus,
.ta:focus,
input:focus,
select:focus,
textarea:focus{
  border-color:rgba(77,125,255,.55);
  box-shadow:0 0 0 3px rgba(77,125,255,.10);
}

select{
  background:#111a2e !important;
  color:var(--txt) !important;
}

select option{
  background:#111a2e !important;
  color:var(--txt) !important;
}

textarea,
.ta{
  min-height:88px;
  resize:vertical;
}

.inp.auto,
textarea.auto{
  background:rgba(0,0,0,.28);
}

/* ---------- FEEDBACK ---------- */
.msg{
  margin-top:10px;
  font-size:12px;
}

.msg.ok{color:var(--ok)}
.msg.err{color:var(--bad)}

.result{
  margin-top:10px;
  font-weight:700;
}

.result.ok{color:var(--ok)}
.result.err{color:var(--bad)}

/* ---------- TAGS / PILLS / CHIPS ---------- */
.tag,
.pill,
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:11px;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid rgba(232,238,252,.18);
  background:rgba(17,26,46,.55);
  color:#e8eefc;
}

.tag.ok,
.chip.ok{
  border-color:rgba(34,197,94,.35);
  background:rgba(34,197,94,.10);
  color:#d8ffe9;
}

.tag.warn,
.chip.warn{
  border-color:rgba(255,204,102,.35);
  background:rgba(255,204,102,.10);
  color:#ffe6a6;
}

.tag.bad,
.chip.bad{
  border-color:rgba(255,90,122,.35);
  background:rgba(255,90,122,.10);
  color:#ffd0d0;
}

/* ---------- TABLES ---------- */
.sheet,
.table-wrap{
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  overflow:auto;
  background:var(--surface-2);
}

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

thead th,
th{
  background:rgba(17,26,46,.96);
  color:var(--muted);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.6px;
  padding:10px;
  border-bottom:1px solid var(--stroke);
  text-align:left;
}

td{
  padding:10px;
  border-bottom:1px solid rgba(255,255,255,.06);
  vertical-align:top;
  font-size:13px;
}

tbody tr:hover td{
  background:rgba(255,255,255,.02);
}

/* ---------- RESPONSIVO ---------- */
@media (max-width: 900px){
  .app{grid-template-columns:1fr}
  .side{
    position:relative;
    top:auto;
    height:auto;
    overflow:visible;
  }
  .main{padding:14px}
  .wrap{padding:14px}
}

@media (max-width: 700px){
  .row{flex-direction:column;align-items:stretch}
  .field{min-width:100%}
  .btn,
  .navbtn{width:100%}
}