/* ============================================================
   PRATA AQUA — Design tokens
   Palette: deep teal ink, water-aqua primary, foam background,
   coral accent for actions. Numbers render in mono, like a
   plant flow-meter readout — the app's signature detail.
   ============================================================ */
:root{
  --ink: #0B2027;
  --ink-soft: #244249;
  --aqua: #0891A6;
  --aqua-deep: #066877;
  --aqua-light: #5FCDD9;
  --foam: #EAF6F6;
  --foam-deep: #D3ECEC;
  --paper: #FFFFFF;
  --accent: #FF6B4A;
  --accent-deep: #E85A3A;
  --success: #1E8E5A;
  --warning: #C48A00;
  --danger: #C0392B;
  --line: #D8E7E7;
  --text-muted: #5A7379;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(11,32,39,0.06), 0 8px 24px -12px rgba(11,32,39,0.12);
  --shadow-pop: 0 12px 40px -14px rgba(11,32,39,0.28);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*{ box-sizing: border-box; }
[hidden] { display: none !important; }
html,body{ margin:0; padding:0; }
body{
  font-family: var(--font-body);
  background: var(--foam);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
h1,h2,h3{ font-family: var(--font-display); margin:0; }
input,select,button{ font-family: inherit; font-size: 16px; }
button{ cursor:pointer; }
::selection{ background: var(--aqua-light); color: var(--ink); }

/* ---------- Boot screen ---------- */
.screen--boot{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background: var(--ink); color: var(--aqua-light);
}
.wave-logo--boot{ width:56px; height:56px; object-fit: contain; animation: boot-pulse 1.6s var(--ease) infinite; }
.boot-wave{ transform-origin: center; }
.boot-wave--1{ animation: boot-flow 1.4s ease-in-out infinite; }
.boot-wave--2{ animation: boot-flow 1.4s ease-in-out infinite 0.2s; }
@keyframes boot-flow{ 0%,100%{ transform: translateX(0);} 50%{ transform: translateX(3px);} }
@keyframes boot-pulse{ 0%,100%{ opacity:1;} 50%{ opacity:.6;} }

/* ---------- Screens ---------- */
.screen--login{
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    radial-gradient(circle at 20% 15%, rgba(95,205,217,0.35), transparent 55%),
    radial-gradient(circle at 85% 85%, rgba(8,145,166,0.25), transparent 50%),
    var(--ink);
  padding: 24px;
  animation: fade-in .4s var(--ease);
}
.login-card{
  width: 100%;
  max-width: 400px;
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
  animation: rise-in .5s var(--ease);
}
.brand-mark{ text-align:center; margin-bottom: 28px; color: var(--aqua-deep); }
.wave-logo{ width:48px; height:48px; object-fit: contain; }
.wave-logo--sm{ width:26px; height:26px; object-fit: contain; }
.brand-mark h1{
  font-size: 22px; letter-spacing: 0.06em; margin-top: 10px; color: var(--ink);
}
.brand-sub{ margin:2px 0 0; color: var(--text-muted); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }

.stack{ display:flex; flex-direction:column; gap:16px; }
.field{ display:flex; flex-direction:column; gap:6px; font-size: 13px; font-weight:600; color: var(--ink-soft); }
.field input, .field select{
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 500;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus{
  outline: none;
  border-color: var(--aqua);
  box-shadow: 0 0 0 3.5px rgba(8,145,166,0.18);
}
.field--wide{ grid-column: 1 / -1; }

.btn{
  border:none; border-radius: var(--radius-sm);
  padding: 12px 18px; font-weight:700; font-size: 15px;
  transition: transform .08s ease, opacity .15s ease, box-shadow .15s ease;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
}
.btn svg{ width:16px; height:16px; }
.btn:active{ transform: scale(0.97); }
.btn--primary{ background: var(--accent); color:#fff; box-shadow: 0 6px 16px -6px rgba(255,107,74,0.55); }
.btn--primary:hover{ background: var(--accent-deep); }
.btn--ghost{ background: transparent; color: var(--foam); border: 1.5px solid rgba(234,246,246,0.4); }
.btn--sm{ padding: 8px 14px; font-size: 13px; }
.btn--block{ width:100%; }
.btn[disabled]{ opacity:.65; pointer-events:none; }

.btn-spinner{
  width:15px; height:15px; border-radius:50%;
  border: 2px solid rgba(255,255,255,0.4); border-top-color:#fff;
  animation: spin .7s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.form-error{ color: var(--danger); font-size: 13px; font-weight:600; margin:0; }
.login-hint{ text-align:center; color: var(--text-muted); font-size: 12px; margin: 18px 0 0; }

/* ---------- App shell (sidebar layout) ---------- */
.screen--app{ min-height:100vh; display:flex; }

.sidebar{
  display:none;
  width: 250px; flex-shrink:0;
  background: var(--ink); color: var(--foam);
  flex-direction:column; justify-content:space-between;
  padding: 22px 16px; position: sticky; top:0; height:100vh;
}
.sidebar__brand{ display:flex; align-items:center; gap:10px; color: var(--aqua-light); padding: 0 6px 22px; }
.sidebar__brand-name{ display:block; font-family: var(--font-display); font-weight:700; font-size:14px; letter-spacing:0.05em; color:#fff; }
.sidebar__brand-sub{ display:block; font-size: 10.5px; color: rgba(234,246,246,0.5); text-transform:uppercase; letter-spacing:0.08em; }

.sidebar__nav{ display:flex; flex-direction:column; gap:4px; flex:1; }
.navlink{
  display:flex; align-items:center; gap:12px; background:none; border:none; color: rgba(234,246,246,0.72);
  padding: 11px 12px; border-radius: var(--radius-sm); font-size: 14px; font-weight:600; text-align:left;
  transition: background .15s ease, color .15s ease;
}
.navlink svg{ width:19px; height:19px; flex-shrink:0; }
.navlink:hover{ background: rgba(255,255,255,0.06); color:#fff; }
.navlink.is-active{ background: var(--aqua-deep); color:#fff; }

.sidebar__user{ display:flex; align-items:center; gap:10px; padding-top: 16px; border-top: 1px solid rgba(234,246,246,0.12); }
.sidebar__user-meta{ display:flex; flex-direction:column; gap:2px; flex:1; min-width:0; }
.sidebar__user-meta span:first-child{ font-size: 13px; font-weight:700; color:#fff; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.avatar{
  width:34px; height:34px; border-radius:50%; background: var(--aqua); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; flex-shrink:0; text-transform:uppercase;
}
.avatar--sm{ width:30px; height:30px; font-size:12px; }
.role-pill{
  align-self:flex-start; font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em;
  color: var(--aqua-light); background: rgba(95,205,217,0.14); padding: 2px 8px; border-radius:999px;
}
.icon-btn{
  background:none; border:none; color: rgba(234,246,246,0.6); padding:7px; border-radius:8px; display:flex;
  transition: background .15s ease, color .15s ease;
}
.icon-btn:hover{ background: rgba(255,255,255,0.08); color:#fff; }
.icon-btn svg{ width:18px; height:18px; }

.topbar{
  background: var(--ink);
  color: var(--foam);
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 18px;
  position: sticky; top:0; z-index: 10;
}
.topbar__brand{ display:flex; align-items:center; gap:8px; font-family: var(--font-display); font-weight:700; letter-spacing: 0.05em; font-size: 14px; }

.content{ flex:1; padding: 18px 16px 100px; max-width: 1040px; margin: 0 auto; width:100%; }

.panel{ animation: fade-in .35s var(--ease); }
.panel-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:12px; margin-bottom: 16px; flex-wrap: wrap; }
.eyebrow{ font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--aqua-deep); font-weight:700; margin:0 0 2px; }
.panel-head h2{ font-size: 22px; }

/* ---------- KPI cards ---------- */
.kpi-row{ display:grid; grid-template-columns: repeat(4, 1fr); gap:12px; margin-bottom:16px; }
.kpi{
  background: var(--paper); border-radius: var(--radius); padding: 14px 16px;
  box-shadow: var(--shadow-card); display:flex; flex-direction:column; gap:4px;
  border-left: 3px solid var(--aqua);
}
.kpi--warn{ border-left-color: var(--accent); }
.kpi__label{ font-size: 11px; text-transform:uppercase; letter-spacing:0.05em; color: var(--text-muted); font-weight:700; }
.kpi__value{ font-family: var(--font-mono); font-size: 22px; font-weight:700; color: var(--ink); font-variant-numeric: tabular-nums; }
.kpi--warn .kpi__value{ color: var(--accent-deep); }

.card{
  background: var(--paper);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
}
.card-title{ font-size: 15px; margin-bottom: 14px; color: var(--ink); }
.admin-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.admin-grid .card{ margin-bottom:0; }

.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; }
.form-actions{ grid-column: 1 / -1; display:flex; justify-content:flex-end; margin-top: 4px; }

/* ---------- Table toolbar / search ---------- */
.table-toolbar{ padding: 4px 16px 12px; }
.search-box{
  display:flex; align-items:center; gap:8px; border:1.5px solid var(--line); border-radius:999px;
  padding: 8px 14px; max-width: 320px; color: var(--text-muted); transition: border-color .15s ease;
}
.search-box:focus-within{ border-color: var(--aqua); }
.search-box svg{ width:15px; height:15px; flex-shrink:0; }
.search-box input{ border:none; outline:none; width:100%; font-size:13.5px; color: var(--ink); background:transparent; }

/* ---------- Tables ---------- */
.table-card{ padding: 8px 0 4px; }
.table-scroll{ overflow-x:auto; }
table{ width:100%; border-collapse: collapse; font-size: 13.5px; }
thead th{
  text-align:left; padding: 10px 16px; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-muted); border-bottom: 1.5px solid var(--line);
  white-space: nowrap;
}
tbody td{ padding: 11px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tbody tr{ transition: background .12s ease; }
tbody tr:hover{ background: var(--foam); }
tbody tr:last-child td{ border-bottom:none; }
.empty-row td{ color: var(--text-muted); font-style: italic; }
.tag{ display:inline-block; padding:3px 9px; border-radius: 999px; font-size:11px; font-weight:700; }
.tag--production{ background: rgba(30,142,90,0.14); color: var(--success); }
.tag--sale{ background: rgba(255,107,74,0.14); color: #C24F32; }

/* ---------- Stock meters (signature element) ---------- */
.meter-grid{
  display:grid; grid-template-columns: repeat(4,1fr); gap:12px; margin-bottom:16px;
}
.meter{
  background: var(--ink);
  border-radius: var(--radius);
  padding: 16px;
  display:flex; flex-direction:column; gap:4px;
  position: relative; overflow:hidden;
  transition: transform .2s var(--ease);
}
.meter:hover{ transform: translateY(-2px); }
.meter::after{
  content:''; position:absolute; inset:0;
  background: radial-gradient(circle at 100% 0%, rgba(95,205,217,0.25), transparent 60%);
  pointer-events:none;
}
.meter__label{ font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--aqua-light); font-weight:700; }
.meter__value{
  font-family: var(--font-mono); font-weight:700; font-size: 28px; color:#fff;
  font-variant-numeric: tabular-nums;
}
.meter__note{ font-size: 10.5px; color: rgba(234,246,246,0.55); }
.meter--closing{ background: linear-gradient(135deg, var(--aqua-deep), var(--ink)); }
.meter--closing .meter__value{ color: var(--aqua-light); }

/* ---------- Chart card ---------- */
.chart-card{ padding: 18px; }
.chart-wrap{ position:relative; height:200px; }

/* ---------- Tab bar (mobile) ---------- */
.tabbar{
  position: fixed; bottom:0; left:0; right:0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  display:flex;
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  z-index: 20;
}
.tabbar__btn{
  flex:1; background:none; border:none; display:flex; flex-direction:column;
  align-items:center; gap:3px; padding: 8px 4px; color: var(--text-muted);
  font-size: 11px; font-weight:600; border-radius: var(--radius-sm); transition: color .15s ease, background .15s ease;
}
.tabbar__btn svg{ width:22px; height:22px; }
.tabbar__btn.is-active{ color: var(--aqua-deep); background: var(--foam-deep); }

.form-hint{ font-size: 12px; color: var(--warning); font-weight:600; margin: 10px 0 0; }

/* ---------- Toast ---------- */
.toast{
  position: fixed; left:50%; bottom: 88px; transform: translateX(-50%);
  background: var(--ink); color:#fff; padding: 10px 18px; border-radius: 999px;
  font-size: 13px; font-weight:600; box-shadow: var(--shadow-pop);
  z-index: 30; animation: toast-in .25s var(--ease);
}

/* ---------- Motion ---------- */
@keyframes fade-in{ from{ opacity:0; } to{ opacity:1; } }
@keyframes rise-in{ from{ opacity:0; transform: translateY(10px); } to{ opacity:1; transform:none; } }
@keyframes toast-in{ from{ opacity:0; transform: translate(-50%, 8px); } to{ opacity:1; transform: translate(-50%, 0); } }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 520px){
  .form-grid{ grid-template-columns: 1fr; }
  .meter-grid{ grid-template-columns: 1fr 1fr; }
  .kpi-row{ grid-template-columns: 1fr 1fr; }
  .panel-head h2{ font-size: 19px; }
  .meter__value{ font-size: 22px; }
  .admin-grid{ grid-template-columns: 1fr; }
}
@media (min-width: 720px){
  .tabbar{ display:none; }
  .topbar{ display:none; }
  .sidebar{ display:flex; }
  .content{ padding: 32px 40px 60px; }
}