/* ============================================================
   BLOCKS — design tokens
   Ink navy panels, warm paper background, amber signal accent.
   Display: Space Grotesk / Body: Inter / Data: JetBrains Mono
   ============================================================ */

:root{
  --ink:        #14213D;
  --ink-2:      #1D2E52;
  --paper:      #F7F5F0;
  --card:       #FFFFFF;
  --amber:      #FFB100;
  --amber-dark: #C98600;
  --steel:      #3A6EA5;
  --graphite:   #33363B;
  --muted:      #6B7280;
  --line:       #E4E0D6;
  --danger:     #C74B3F;
  --good:       #2E7D5B;
  --radius:     10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--graphite);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display); margin:0 0 .4em; letter-spacing:-0.01em;}
a{color:var(--steel);}
button{font-family:var(--font-body); cursor:pointer;}
:focus-visible{outline:2px solid var(--amber-dark); outline-offset:2px;}
@media (prefers-reduced-motion: reduce){ *{animation:none !important; transition:none !important;} }

.mono{font-family:var(--font-mono);}
.muted{color:var(--muted);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:.65em 1.1em; border-radius:8px; border:1px solid transparent;
  font-weight:600; font-size:.92rem; transition:transform .12s ease, box-shadow .12s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink); color:#fff;}
.btn-primary:hover{background:var(--ink-2);}
.btn-accent{background:var(--amber); color:var(--ink);}
.btn-accent:hover{background:var(--amber-dark); color:#fff;}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-danger{background:#fff; color:var(--danger); border-color:var(--danger);}
.btn-sm{padding:.4em .8em; font-size:.82rem;}
.btn:disabled{opacity:.45; cursor:not-allowed;}

/* ---------- Auth screens ---------- */
.auth-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 15% 20%, rgba(255,177,0,.10), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(58,110,165,.12), transparent 40%),
    var(--paper);
  padding:24px;
}
.auth-card{
  width:100%; max-width:420px; background:var(--card); border-radius:16px;
  padding:38px 34px; box-shadow:0 20px 60px rgba(20,33,61,.12); border:1px solid var(--line);
}
.brand-mark{display:flex; align-items:center; gap:10px; margin-bottom:22px;}
.brand-blocks{display:flex; gap:3px;}
.brand-blocks span{width:9px; height:20px; border-radius:2px; background:var(--ink); display:inline-block;}
.brand-blocks span:nth-child(2){background:var(--steel); height:26px; margin-top:-3px;}
.brand-blocks span:nth-child(3){background:var(--amber); height:16px; margin-top:4px;}
.brand-name{font-family:var(--font-display); font-weight:700; font-size:1.35rem; letter-spacing:-.02em; color:var(--ink);}
.auth-sub{color:var(--muted); font-size:.92rem; margin-bottom:26px;}

.field{margin-bottom:16px;}
.field label{display:block; font-size:.82rem; font-weight:600; margin-bottom:6px; color:var(--ink);}
.field input, .field select{
  width:100%; padding:.7em .85em; border:1px solid var(--line); border-radius:8px;
  font-family:var(--font-body); font-size:.95rem; background:#fff; color:var(--graphite);
}
.field input:focus, .field select:focus{border-color:var(--steel);}
.pw-wrap{position:relative;}
.pw-wrap input{padding-right:2.6em;}
.pw-toggle{
  position:absolute; right:.6em; top:50%; transform:translateY(-50%);
  background:none; border:none; font-size:1.1rem; color:var(--muted); padding:4px;
}
.pw-toggle:hover{color:var(--ink);}

.auth-toggle-row{text-align:center; margin-top:18px; font-size:.88rem; color:var(--muted);}
.auth-error{background:#FDEDEB; color:var(--danger); border:1px solid #F3C9C3; padding:.7em .9em; border-radius:8px; font-size:.85rem; margin-bottom:14px;}

/* toast / modal */
.toast-overlay{
  position:fixed; inset:0; background:rgba(20,33,61,.45); display:flex;
  align-items:center; justify-content:center; z-index:999;
}
.toast-card{
  background:#fff; border-radius:14px; padding:30px 32px; text-align:center; max-width:340px;
  box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.toast-icon{
  width:52px; height:52px; border-radius:50%; background:#E7F5EE; color:var(--good);
  display:flex; align-items:center; justify-content:center; margin:0 auto 14px; font-size:1.5rem;
}

/* ---------- App shell ---------- */
.app-shell{display:flex; min-height:100vh;}
.sidebar{
  width:236px; background:var(--ink); color:#EAE6DA; flex-shrink:0;
  display:flex; flex-direction:column; padding:20px 14px;
}
.sidebar .brand-name{color:#fff;}
.sidebar-nav{margin-top:26px; display:flex; flex-direction:column; gap:4px; flex:1;}
.nav-block{
  display:flex; align-items:center; gap:10px; padding:.65em .8em; border-radius:8px;
  color:#C7CCDA; font-size:.9rem; font-weight:500; position:relative; cursor:pointer; border:none; background:none; text-align:left; width:100%;
}
.nav-block:hover{background:rgba(255,255,255,.06); color:#fff;}
.nav-block.active{background:var(--amber); color:var(--ink); font-weight:700;}
.nav-block .dot{width:8px; height:8px; border-radius:2px; background:currentColor; opacity:.7; flex-shrink:0;}
.nav-section-label{font-size:.7rem; text-transform:uppercase; letter-spacing:.08em; color:#7C84A0; margin:16px 8px 4px;}
.sidebar-footer{border-top:1px solid rgba(255,255,255,.1); padding-top:14px; font-size:.82rem; color:#9AA1B8;}
.sidebar-footer b{color:#fff; display:block; font-size:.86rem;}

.main{flex:1; min-width:0; padding:28px 34px; max-width:1300px;}
.topbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:24px;}
.page-title{font-size:1.5rem;}
.page-sub{color:var(--muted); font-size:.9rem; margin-top:2px;}

/* ---------- Cards / grid ---------- */
.grid{display:grid; gap:18px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);}}

.card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:20px;}
.kpi-card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px;}
.kpi-label{font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--muted); font-weight:600;}
.kpi-value{font-family:var(--font-mono); font-size:1.7rem; font-weight:700; margin-top:6px; color:var(--ink);}
.kpi-value.positive{color:var(--good);}
.kpi-value.negative{color:var(--danger);}

table{width:100%; border-collapse:collapse; font-size:.88rem;}
th{text-align:left; font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; color:var(--muted); padding:8px 10px; border-bottom:1px solid var(--line);}
td{padding:10px; border-bottom:1px solid var(--line); vertical-align:middle;}
tr:last-child td{border-bottom:none;}
.num{font-family:var(--font-mono); text-align:right;}

.badge{display:inline-block; padding:.25em .65em; border-radius:20px; font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.03em;}
.badge-draft{background:#EFE9DA; color:#8A6D1D;}
.badge-completed{background:#E4F1E9; color:var(--good);}
.badge-void{background:#F5E4E1; color:var(--danger);}
.badge-standard{background:#E6EEF6; color:var(--steel);}
.badge-white_label{background:#F1E7FB; color:#6E3FA3;}

/* Block chip — literal interlocking block visual, used across settings & workflow */
.block-chip{
  display:inline-flex; align-items:center; gap:8px; padding:.5em .9em .5em .7em;
  background:var(--ink); color:#fff; border-radius:6px; font-size:.85rem; font-weight:600;
  position:relative;
}
.block-chip::after{
  content:''; position:absolute; right:-9px; top:50%; transform:translateY(-50%);
  width:14px; height:14px; background:var(--ink); border-radius:3px; z-index:0;
}
.block-chip-connector{width:26px; text-align:center; color:var(--muted);}
.block-row{display:flex; align-items:center; margin:4px 0;}

.form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.modal-overlay{position:fixed; inset:0; background:rgba(20,33,61,.45); display:flex; align-items:center; justify-content:center; z-index:999; padding:20px;}
.modal-card{background:#fff; border-radius:14px; padding:26px 28px; width:100%; max-width:520px; max-height:88vh; overflow:auto;}
.modal-card h3{margin-bottom:4px;}
.empty-state{text-align:center; padding:50px 20px; color:var(--muted);}
.empty-state .btn{margin-top:12px;}

.tabs{display:flex; gap:6px; border-bottom:1px solid var(--line); margin-bottom:18px;}
.tab{padding:.6em 1em; font-size:.88rem; font-weight:600; color:var(--muted); border-bottom:2px solid transparent; background:none; border-top:none; border-left:none; border-right:none;}
.tab.active{color:var(--ink); border-bottom-color:var(--amber);}

.icon-btn{background:none; border:none; color:var(--muted); padding:4px 8px; border-radius:6px; font-size:1.1rem;}
.icon-btn:hover{background:var(--paper); color:var(--ink);}
.menu-wrap{position:relative; display:inline-block;}
.dropdown-menu{
  position:absolute; right:0; top:110%; background:#fff; border:1px solid var(--line);
  border-radius:8px; box-shadow:0 10px 30px rgba(20,33,61,.15); min-width:150px; z-index:50; overflow:hidden;
}
.dropdown-menu button{display:block; width:100%; text-align:left; padding:.6em .9em; background:none; border:none; font-size:.86rem;}
.dropdown-menu button:hover{background:var(--paper);}
.dropdown-menu button.danger{color:var(--danger);}

.stock-flag{color:var(--danger); font-weight:700; font-size:.75rem;}
.insight{border-left:3px solid var(--amber); padding:8px 14px; background:#FFF8E8; border-radius:0 6px 6px 0; font-size:.86rem; margin-bottom:8px;}