:root {
  --accent:      #CC5200;
  --accent-light:#FFF0E6;
  --accent-text: #A84200;
  --bg:          #f5f4f0;
  --card:        #ffffff;
  --border:      rgba(0,0,0,0.1);
  --border-s:    rgba(0,0,0,0.18);
  --text:        #1a1a18;
  --text2:       #6b6b66;
  --text3:       #9b9b96;
  --success:     #1D9E75;
  --success-bg:  #E1F5EE;
  --danger:      #E24B4A;
  --danger-bg:   #FCEBEB;
  --warn:        #EF9F27;
  --warn-bg:     #FAEEDA;
  --info:        #378ADD;
  --info-bg:     #E6F1FB;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow:      0 1px 3px rgba(0,0,0,0.08);
}

*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:-apple-system,'Helvetica Neue',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;}
h1,h2,h3,.brand-name{font-family:'Georgia','Times New Roman',serif;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}

/* ── App shell ─────────────────────────────────────────────── */
.app{display:flex;height:100vh;overflow:hidden;}
.sidebar{width:220px;background:var(--text);color:#fff;display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;}
.main-wrap{flex:1;overflow-y:auto;background:var(--bg);}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar-logo{padding:18px 14px 12px;border-bottom:1px solid rgba(255,255,255,0.1);}
.sidebar-brand{font-size:10px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;opacity:0.4;color:#fff;margin-bottom:6px;}
.sidebar-name{font-size:14px;font-weight:600;color:#fff;}
.sidebar-sub{font-size:11px;opacity:0.45;margin-top:2px;}
.sidebar-tag{display:inline-block;font-size:10px;padding:2px 8px;border-radius:999px;margin-top:6px;font-weight:600;background:var(--accent-light);color:var(--accent-text);}
.sidebar-section{padding:10px 12px 3px;font-size:10px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;opacity:0.35;}
.sidebar-nav{list-style:none;padding:0 8px 8px;}
.sidebar-nav li a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius-sm);color:rgba(255,255,255,0.6);font-size:13px;cursor:pointer;transition:background 0.12s,color 0.12s;}
.sidebar-nav li a:hover{background:rgba(255,255,255,0.08);color:#fff;text-decoration:none;}
.sidebar-nav li a.active{background:rgba(255,255,255,0.12);color:#fff;}
.nav-icon{width:18px;text-align:center;font-size:14px;}
.sidebar-bottom{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,0.1);}
.sidebar-bottom a{display:block;width:100%;padding:8px;border-radius:var(--radius-sm);background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.65);font-size:12px;text-align:center;}
.sidebar-bottom a:hover{background:rgba(255,255,255,0.13);text-decoration:none;color:#fff;}

/* ── Accent stripe ─────────────────────────────────────────── */
.accent-bar{height:3px;background:var(--accent);flex-shrink:0;}

/* ── Page padding ──────────────────────────────────────────── */
.page{padding:26px;}
.page-header{margin-bottom:20px;}
.page-title{font-size:22px;font-weight:600;margin-bottom:3px;}
.page-sub{font-size:13px;color:var(--text2);}

/* ── Stat cards ────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-bottom:20px;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);}
.stat-label{font-size:11px;color:var(--text2);margin-bottom:6px;text-transform:uppercase;letter-spacing:0.05em;font-weight:500;}
.stat-value{font-size:26px;font-weight:600;line-height:1;}
.stat-sub{font-size:11px;color:var(--text3);margin-top:3px;}

/* ── Cards ─────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:16px;}
.card-header{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid var(--border);background:rgba(0,0,0,0.02);}
.card-title{font-size:13px;font-weight:600;flex:1;}
.card-body{padding:16px;}

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:12px;}
th{text-align:left;padding:8px 12px;font-weight:600;font-size:11px;color:var(--text2);border-bottom:1px solid var(--border);background:rgba(0,0,0,0.02);text-transform:uppercase;letter-spacing:0.04em;white-space:nowrap;}
td{padding:9px 12px;border-bottom:1px solid var(--border);vertical-align:middle;}
tr:last-child td{border-bottom:none;}
tr:hover td{background:rgba(0,0,0,0.02);}

/* ── Badges ────────────────────────────────────────────────── */
.badge{display:inline-block;font-size:10px;padding:2px 8px;border-radius:999px;font-weight:600;white-space:nowrap;}
.badge-accent   {background:var(--accent-light); color:var(--accent-text);}
.badge-success  {background:var(--success-bg);   color:var(--success);}
.badge-danger   {background:var(--danger-bg);     color:var(--danger);}
.badge-warn     {background:var(--warn-bg);        color:var(--warn);}
.badge-info     {background:var(--info-bg);        color:var(--info);}
.badge-neutral  {background:var(--bg);color:var(--text2);border:1px solid var(--border);}

/* ── Railroad badges ───────────────────────────────────────── */
.rr-BNSF {background:#FFF0E6;color:#A84200;}
.rr-UP   {background:#FFFBE6;color:#7A5F00;}
.rr-AMTK {background:#E6EBF8;color:#1B3F8C;}
.rr-MET  {background:#F3EAF9;color:#5A1F80;}
.rr-SJVR {background:#EAF3DE;color:#2D5A1A;}
.rr-KGTR {background:#E1F4F2;color:#0F5F56;}

/* ── Buttons ───────────────────────────────────────────────── */
.btn{padding:7px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-s);background:var(--card);color:var(--text);font-size:12px;cursor:pointer;font-weight:500;white-space:nowrap;display:inline-block;}
.btn:hover{background:var(--bg);text-decoration:none;}
.btn-accent{border-color:var(--accent);background:var(--accent-light);color:var(--accent-text);}
.btn-accent:hover{background:#FFD9C0;}
.btn-success{border-color:var(--success);background:var(--success-bg);color:var(--success);}
.btn-danger{border-color:var(--danger);background:var(--danger-bg);color:var(--danger);}
.btn-sm{padding:4px 10px;font-size:11px;}
.btn-full{width:100%;display:block;text-align:center;}

/* ── Forms ─────────────────────────────────────────────────── */
.form-row{margin-bottom:14px;}
.form-row label{display:block;font-size:11px;font-weight:600;color:var(--text2);margin-bottom:4px;text-transform:uppercase;letter-spacing:0.04em;}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:8px 10px;border:1px solid var(--border-s);border-radius:var(--radius-sm);background:var(--card);color:var(--text);font-size:13px;font-family:inherit;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--accent);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.form-hint{font-size:11px;color:var(--text3);margin-top:3px;}
.req{color:var(--accent);}

/* ── Alerts / flash ────────────────────────────────────────── */
.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(29,158,117,0.25);}
.alert-danger {background:var(--danger-bg); color:var(--danger); border:1px solid rgba(226,75,74,0.25);}
.alert-warn   {background:var(--warn-bg);   color:var(--warn);   border:1px solid rgba(239,159,39,0.25);}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:200;align-items:center;justify-content:center;}
.modal-bg.open{display:flex;}
.modal{background:var(--card);border-radius:var(--radius);padding:24px;width:100%;max-width:480px;max-height:88vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,0.18);}
.modal h2{font-size:16px;font-weight:700;margin-bottom:3px;}
.modal-sub{font-size:12px;color:var(--text2);margin-bottom:16px;}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;}

/* ── Login screen ──────────────────────────────────────────── */
.login-screen{min-height:100vh;display:flex;}

/* Left branding panel */
.login-panel-left{
  width:380px;flex-shrink:0;
  background:#1a1a18;
  display:flex;flex-direction:column;
  padding:48px 40px 32px;
  position:relative;
  border-right:1px solid rgba(255,255,255,0.06);
}
.login-panel-inner{flex:1;display:flex;flex-direction:column;justify-content:center;}
.login-logo-mark{
  width:52px;height:52px;border-radius:12px;
  background:var(--accent);
  color:#fff;font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:-0.5px;margin-bottom:20px;
  font-family:'Georgia','Times New Roman',serif;
}
.login-panel-title{
  font-size:28px;font-weight:700;color:#fff;
  line-height:1.2;margin-bottom:10px;
  font-family:'Georgia','Times New Roman',serif;
}
.login-panel-sub{font-size:13px;color:rgba(255,255,255,0.45);margin-bottom:32px;}
.login-panel-divider{height:1px;background:rgba(255,255,255,0.1);margin-bottom:24px;}
.login-panel-railroads{display:flex;flex-wrap:wrap;gap:8px;}
.lp-rr{
  font-size:11px;font-weight:700;padding:4px 10px;
  border-radius:999px;letter-spacing:0.04em;
  border:1px solid rgba(255,255,255,0.15);
  color:rgba(255,255,255,0.55);
}
.lp-rr.bnsf{border-color:#CC5200;color:#FF8040;}
.lp-rr.up{border-color:rgba(58,120,220,0.5);color:rgba(120,170,255,0.9);}
.lp-rr.amtk{border-color:rgba(60,160,80,0.5);color:rgba(100,200,120,0.9);}
.lp-rr.met{border-color:rgba(140,80,200,0.4);color:rgba(180,130,230,0.9);}
.lp-rr.sjvr{border-color:rgba(220,160,40,0.4);color:rgba(240,190,80,0.9);}
.lp-rr.kgtr{border-color:rgba(220,80,80,0.4);color:rgba(255,130,130,0.9);}
.login-panel-footer{font-size:11px;color:rgba(255,255,255,0.2);letter-spacing:0.05em;text-transform:uppercase;}

/* Right form panel */
.login-panel-right{
  flex:1;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  padding:40px 32px;
}
.login-form-wrap{width:100%;max-width:360px;}
.login-form-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:4px;}
.login-form-sub{font-size:13px;color:var(--text3);margin-bottom:28px;}
.login-field{margin-bottom:16px;}
.login-label{display:block;font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:6px;}
.login-input{
  display:block;width:100%;
  padding:10px 12px;
  border:1px solid var(--border-s);
  border-radius:var(--radius-sm);
  background:var(--card);
  color:var(--text);font-size:14px;
  font-family:inherit;
  transition:border-color 0.12s;
}
.login-input:focus{outline:none;border-color:var(--accent);}
.login-submit{
  display:block;width:100%;
  padding:12px;margin-top:24px;
  font-size:14px;font-weight:700;
  background:var(--accent);color:#fff;
  border:none;border-radius:var(--radius-sm);
  cursor:pointer;letter-spacing:0.02em;
  transition:background 0.12s;
}
.login-submit:hover{background:#B84A00;}
.login-error{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--danger);
  background:var(--danger-bg);border:1px solid rgba(226,75,74,0.2);
  padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:18px;
}
.login-error-icon{font-size:14px;}
.login-help{margin-top:20px;font-size:12px;color:var(--text3);text-align:center;}

/* ── Profile setup steps ───────────────────────────────────── */
.setup-step-dot{
  width:24px;height:24px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;
  background:rgba(255,255,255,0.1);color:rgba(255,255,255,0.35);
  border:1px solid rgba(255,255,255,0.15);
}
.setup-step-dot.done{background:var(--success);color:#fff;border-color:var(--success);}
.setup-step-dot.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.setup-section-label{font-size:11px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:6px;margin-top:2px;}
.setup-id-note{font-size:12px;color:var(--text3);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;line-height:1.5;}

/* ── Public top-bar (for non-app pages) ────────────────────── */
.topbar{background:var(--text);color:#fff;padding:0 24px;display:flex;align-items:center;gap:0;height:52px;}
.topbar-brand{font-size:15px;font-weight:700;color:#fff;margin-right:28px;letter-spacing:-0.2px;font-family:'Georgia',serif;}
.topbar-brand span{color:var(--accent);}
.topbar-nav{display:flex;gap:0;flex:1;}
.topbar-nav a{color:rgba(255,255,255,0.6);font-size:13px;padding:0 14px;height:52px;display:flex;align-items:center;transition:color 0.12s,background 0.12s;}
.topbar-nav a:hover{color:#fff;background:rgba(255,255,255,0.07);text-decoration:none;}
.topbar-nav a.active{color:#fff;border-bottom:2px solid var(--accent);}
.topbar-right{display:flex;align-items:center;gap:8px;}

/* ── Hero ──────────────────────────────────────────────────── */
.hero{background:linear-gradient(135deg,#1a1a18 0%,#2a1a0e 100%);border-radius:var(--radius);padding:48px 36px;margin-bottom:24px;color:#fff;}
.hero-eyebrow{font-size:11px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px;}
.hero-title{font-size:32px;font-weight:700;font-family:'Georgia',serif;margin-bottom:10px;}
.hero-sub{font-size:15px;color:rgba(255,255,255,0.6);margin-bottom:22px;max-width:480px;}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;}
.btn-hero-primary{padding:10px 22px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:700;cursor:pointer;display:inline-block;}
.btn-hero-primary:hover{background:#B84A00;text-decoration:none;color:#fff;}
.btn-hero-outline{padding:10px 22px;background:transparent;color:rgba(255,255,255,0.7);border:1px solid rgba(255,255,255,0.25);border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;display:inline-block;}
.btn-hero-outline:hover{background:rgba(255,255,255,0.08);text-decoration:none;color:#fff;}

/* ── Section divider ───────────────────────────────────────── */
.section-divider{display:flex;align-items:center;gap:10px;margin:20px 0 12px;}
.sdl{flex:1;height:1px;background:var(--border-s);}
.sdlabel{font-size:10px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:0.08em;}

/* ── Ops Log entries ───────────────────────────────────────── */
.ops-entry{border-bottom:1px solid var(--border);padding:12px 16px;}
.ops-entry:last-child{border-bottom:none;}
.ops-entry:hover{background:rgba(0,0,0,0.015);}
.ops-header{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:8px;}
.ops-stats{display:flex;flex-wrap:wrap;gap:8px;}
.ops-stat{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:5px 10px;min-width:64px;text-align:center;}
.ops-stat-label{display:block;font-size:10px;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:0.04em;margin-bottom:2px;}
.ops-stat-val{display:block;font-size:14px;font-weight:700;color:var(--text);}
.ops-stat-hazmat-on{border-color:var(--danger);background:var(--danger-bg);}
.ops-stat-hazmat-on .ops-stat-val{color:var(--danger);}
.ops-yard-detail{background:var(--bg);border-radius:var(--radius-sm);padding:8px 12px;font-size:12px;color:var(--text2);}

/* ── Responsive ────────────────────────────────────────────── */
@media(max-width:768px){
  .sidebar{display:none;}
  .form-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .page{padding:16px;}
}