/* ============================================================
   NEO NOVA — Field Ops Console
   Design tokens
   ============================================================ */
:root{
  --ink-950:#0b1014;
  --ink-900:#10171c;
  --ink-850:#141d23;
  --ink-800:#1a242b;
  --ink-700:#243038;
  --ink-600:#384650;
  --ink-400:#5e6e78;
  --paper:#eef1ef;
  --paper-dim:#b9c2c0;

  --signal-amber:#ffb000;
  --signal-amber-dim:#7a5a18;
  --signal-green:#3ddc97;
  --signal-green-dim:#1d4d3c;
  --signal-red:#ff5f56;
  --signal-red-dim:#5c2826;
  --signal-blue:#5aa9ff;

  --font-display:'Cairo', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --radius:3px;
  --line:1px solid var(--ink-700);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--ink-950);
  color:var(--paper);
  font-family:var(--font-display);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
h1,h2,h3{margin:0;font-family:var(--font-display);}
button{font-family:var(--font-display);cursor:pointer;}
input,select,textarea{font-family:var(--font-display);}
::selection{background:var(--signal-amber);color:var(--ink-950);}

.screen{min-height:100vh;}
[hidden]{display:none !important;}

/* ============================================================
   LOGIN SCREEN
   ============================================================ */
.login-screen{
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,176,0,0.06), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(61,220,151,0.05), transparent 40%),
    var(--ink-950);
}
.login-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(var(--ink-900) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-900) 1px, transparent 1px);
  background-size:42px 42px;
  opacity:0.5;
  mask-image:radial-gradient(circle at 50% 40%, black 0%, transparent 70%);
}
.login-card{
  position:relative;
  z-index:1;
  background:var(--ink-900);
  border:var(--line);
  border-radius:var(--radius);
  padding:40px 36px;
  width:100%;
  max-width:380px;
  box-shadow:0 30px 80px -20px rgba(0,0,0,0.6);
}
.brand-mark{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-bottom:28px;
  font-family:var(--font-mono);
}
.brand-bracket{color:var(--signal-amber);}
.brand-name{font-weight:700;letter-spacing:0.12em;font-size:15px;}
.brand-sub{font-size:11px;color:var(--paper-dim);letter-spacing:0.08em;}
.login-card h1{font-size:24px;font-weight:800;margin-bottom:4px;}
.login-hint{color:var(--paper-dim);font-size:13px;margin:0 0 24px;}
#loginForm{display:flex;flex-direction:column;gap:16px;}
#loginForm label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--paper-dim);}
#loginForm input{
  background:var(--ink-850);
  border:var(--line);
  border-radius:var(--radius);
  padding:11px 12px;
  color:var(--paper);
  font-size:14px;
  outline:none;
  transition:border-color .15s;
}
#loginForm input:focus{border-color:var(--signal-amber);}
.login-error{
  color:var(--signal-red);
  font-size:13px;
  background:rgba(255,95,86,0.08);
  border:1px solid var(--signal-red-dim);
  padding:8px 10px;
  border-radius:var(--radius);
  margin:0;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary, .btn-secondary, .btn-ghost{
  border:none;
  border-radius:var(--radius);
  padding:10px 18px;
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:transform .1s, background .15s, border-color .15s;
}
.btn-primary{
  background:var(--signal-amber);
  color:var(--ink-950);
}
.btn-primary:hover{transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:disabled{opacity:0.5;cursor:not-allowed;transform:none;}
.btn-secondary{
  background:transparent;
  color:var(--paper);
  border:1px solid var(--ink-600);
}
.btn-secondary:hover{border-color:var(--signal-amber);color:var(--signal-amber);}
.btn-ghost{
  background:transparent;
  color:var(--paper-dim);
  border:1px solid transparent;
  padding:8px 14px;
}
.btn-ghost:hover{color:var(--paper);border-color:var(--ink-600);}
.btn-danger{
  background:var(--signal-red);
  color:var(--paper);
}
.btn-danger:hover{transform:translateY(-1px);}
.btn-danger:active{transform:translateY(0);}
.btn-danger:disabled{opacity:0.5;cursor:not-allowed;transform:none;}
.button-group{
  display:flex;
  gap:12px;
  margin-top:4px;
}

/* ============================================================
   APP SHELL
   ============================================================ */
.app-shell{min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 28px;
  border-bottom:var(--line);
  background:var(--ink-900);
  position:sticky;
  top:0;
  z-index:50;
  gap:20px;
}
.topbar-brand{
  font-family:var(--font-mono);
  font-weight:700;
  letter-spacing:0.1em;
  font-size:14px;
  cursor:pointer;
  flex-shrink:0;
}
.topbar-crumbs{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--paper-dim);
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  overflow:hidden;
  white-space:nowrap;
}
.topbar-crumbs a{color:var(--paper-dim);text-decoration:none;cursor:pointer;}
.topbar-crumbs a:hover{color:var(--signal-amber);}
.topbar-crumbs .crumb-sep{color:var(--ink-600);}
.topbar-crumbs .crumb-current{color:var(--paper);}
.topbar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.user-pill{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--paper-dim);
  padding:5px 10px;
  border:1px solid var(--ink-700);
  border-radius:var(--radius);
}

.main-area{flex:1;padding:32px 28px 60px;max-width:1280px;width:100%;margin:0 auto;}
.view-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:28px;
  flex-wrap:wrap;
  gap:16px;
}
.view-head-actions{display:flex;gap:10px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.1em;
  color:var(--signal-amber);
  text-transform:uppercase;
  margin:0 0 6px;
}
.view-head h1{font-size:32px;font-weight:800;}

/* ============================================================
   ZONES GRID
   ============================================================ */
.zones-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
  gap:16px;
}
.zone-card{
  background:var(--ink-900);
  border:var(--line);
  border-radius:var(--radius);
  padding:22px;
  cursor:pointer;
  transition:border-color .15s, transform .1s;
  position:relative;
  overflow:hidden;
}
.zone-card:hover{border-color:var(--signal-amber);transform:translateY(-2px);}
.zone-card-code{
  font-family:var(--font-mono);
  font-size:28px;
  font-weight:700;
  color:var(--signal-amber);
}
.zone-card-label{color:var(--paper-dim);font-size:13px;margin-top:2px;}
.zone-card-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--ink-700);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--paper-dim);
}
.zone-card-progress{
  height:4px;
  background:var(--ink-700);
  border-radius:4px;
  margin-top:14px;
  overflow:hidden;
}
.zone-card-progress-fill{height:100%;background:var(--signal-green);}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:60px 20px;
  color:var(--paper-dim);
  border:1px dashed var(--ink-700);
  border-radius:var(--radius);
}

/* ============================================================
   STATS ROW
   ============================================================ */
.stats-row{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(140px, 1fr));
  gap:12px;
  margin-bottom:24px;
}
.stat-box{
  background:var(--ink-900);
  border:var(--line);
  border-radius:var(--radius);
  padding:14px 16px;
}
.stat-box-num{font-family:var(--font-mono);font-size:24px;font-weight:700;}
.stat-box-label{font-size:12px;color:var(--paper-dim);margin-top:2px;}

/* ============================================================
   TABLE
   ============================================================ */
.table-wrap{
  border:var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--ink-900);
}
.units-table{width:100%;border-collapse:collapse;font-size:14px;}
.units-table th{
  text-align:right;
  padding:12px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  color:var(--paper-dim);
  border-bottom:var(--line);
  background:var(--ink-850);
  white-space:nowrap;
}
.units-table td{
  padding:12px 14px;
  border-bottom:1px solid var(--ink-800);
  vertical-align:middle;
}
.units-table tbody tr{transition:background .1s;}
.units-table tbody tr:hover{background:var(--ink-850);}
.units-table tbody tr:last-child td{border-bottom:none;}
.unit-code-cell{
  font-family:var(--font-mono);
  font-weight:700;
  color:var(--signal-amber);
  cursor:pointer;
}
.unit-code-cell:hover{text-decoration:underline;}
.notes-cell{color:var(--paper-dim);font-size:13px;max-width:200px;}
.thumb-count{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--paper-dim);
}
.row-open-btn{
  background:transparent;
  border:1px solid var(--ink-600);
  color:var(--paper-dim);
  border-radius:var(--radius);
  padding:6px 10px;
  font-size:12px;
}
.row-open-btn:hover{border-color:var(--signal-amber);color:var(--signal-amber);}

/* ============================================================
   STATUS BADGES
   ============================================================ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  padding:4px 9px;
  border-radius:20px;
  white-space:nowrap;
}
.badge-done{background:var(--signal-green-dim);color:var(--signal-green);}
.badge-in_progress{background:var(--signal-amber-dim);color:var(--signal-amber);}
.badge-pending{background:var(--ink-700);color:var(--paper-dim);}
.badge-blocked{background:var(--signal-red-dim);color:var(--signal-red);}
.badge-issue{background:#5c4a1f;color:#ffd166;}

/* ============================================================
   UNIT DETAIL
   ============================================================ */
.unit-detail-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-bottom:20px;
}
@media (max-width:860px){.unit-detail-grid{grid-template-columns:1fr;}}
.panel{
  background:var(--ink-900);
  border:var(--line);
  border-radius:var(--radius);
  padding:22px;
}
.panel-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  padding-bottom:12px;
  border-bottom:1px solid var(--ink-700);
}
.status-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.status-field label{font-size:13px;color:var(--paper-dim);}
.status-select, textarea#f_notes{
  background:var(--ink-850);
  border:var(--line);
  border-radius:var(--radius);
  color:var(--paper);
  padding:9px 10px;
  font-size:14px;
  outline:none;
  resize:vertical;
  font-family:var(--font-display);
}
.status-select:focus, textarea#f_notes:focus{border-color:var(--signal-amber);}
.save-indicator{
  margin-right:12px;
  font-size:12px;
  color:var(--signal-green);
  font-family:var(--font-mono);
}

/* Upload */
.upload-zone{
  border:2px dashed var(--ink-600);
  border-radius:var(--radius);
  padding:28px;
  text-align:center;
  cursor:pointer;
  transition:border-color .15s, background .15s;
  margin-bottom:16px;
}
.upload-zone:hover{border-color:var(--signal-amber);background:var(--ink-850);}
.upload-zone.dragover{border-color:var(--signal-green);background:var(--ink-850);}
.upload-icon{font-size:28px;display:block;margin-bottom:8px;}
.upload-zone p{margin:2px 0;color:var(--paper-dim);font-size:14px;}
.upload-hint{font-size:12px;opacity:0.7;}

.photos-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(110px, 1fr));
  gap:10px;
}
.photo-card{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  aspect-ratio:1;
  border:var(--line);
  background:var(--ink-850);
}
.photo-card img{width:100%;height:100%;object-fit:cover;display:block;}
.photo-card .photo-del{
  position:absolute;
  top:4px;
  left:4px;
  background:rgba(11,16,20,0.8);
  color:var(--signal-red);
  border:none;
  border-radius:var(--radius);
  width:22px;
  height:22px;
  font-size:13px;
  line-height:1;
  cursor:pointer;
}
.photo-card.uploading{display:flex;align-items:center;justify-content:center;}
.photo-card.uploading::after{
  content:'';
  width:18px;height:18px;
  border:2px solid var(--ink-600);
  border-top-color:var(--signal-amber);
  border-radius:50%;
  animation:spin 0.8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

.history-panel{margin-top:0;}
.history-list{display:flex;flex-direction:column;gap:8px;max-height:220px;overflow-y:auto;}
.history-item{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--paper-dim);
  display:flex;
  gap:10px;
  padding:8px 0;
  border-bottom:1px solid var(--ink-800);
}
.history-item:last-child{border-bottom:none;}
.history-time{color:var(--ink-400);flex-shrink:0;}
.history-empty{color:var(--paper-dim);font-size:13px;padding:8px 0;}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay{
  position:fixed;inset:0;
  background:rgba(11,16,20,0.75);
  backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;
  z-index:100;
  padding:20px;
}
.modal-box{
  background:var(--ink-900);
  border:var(--line);
  border-radius:var(--radius);
  padding:28px;
  width:100%;
  max-width:420px;
}
.modal-box h3{font-size:18px;margin-bottom:18px;}
.modal-box label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--paper-dim);margin-bottom:14px;}
.modal-box input, .modal-box select{
  background:var(--ink-850);
  border:var(--line);
  border-radius:var(--radius);
  color:var(--paper);
  padding:9px 10px;
  font-size:14px;
  outline:none;
}
.modal-box input:focus{border-color:var(--signal-amber);}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;}
.modal-error{color:var(--signal-red);font-size:13px;margin:0 0 10px;}

/* Lightbox for photo preview */
.lightbox-img{max-width:100%;max-height:70vh;border-radius:var(--radius);display:block;margin:0 auto;}

/* ============================================================
   TOAST
   ============================================================ */
.toast{
  position:fixed;
  bottom:24px;
  left:50%;
  transform:translateX(-50%);
  background:var(--ink-800);
  border:1px solid var(--signal-green);
  color:var(--paper);
  padding:11px 20px;
  border-radius:var(--radius);
  font-size:13px;
  z-index:200;
  box-shadow:0 10px 30px rgba(0,0,0,0.4);
}
.toast.error{border-color:var(--signal-red);}

/* PDF staging — offscreen render target, never visible to user */
.pdf-stage{
  position:fixed;
  top:0;left:-9999px;
  width:780px;
  background:#ffffff;
  color:#111;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:640px){
  .main-area{padding:20px 16px 50px;}
  .view-head h1{font-size:24px;}
  .topbar{padding:12px 16px;}
  .topbar-crumbs{font-size:12px;}
  .table-wrap{overflow-x:auto;}
  .units-table{min-width:760px;}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--signal-amber);
  outline-offset:2px;
}