*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --bg:#F4F6F9;--bg2:#FFFFFF;--bg3:#EEF0F5;--bg4:#E4E7EF;
  --border:#D8DCE8;--border2:#C4CAD8;
  --text:#1A1E2E;--text2:#4A5270;--text3:#8A93B0;
  --accent:#2563EB;--accent2:#1D4ED8;
  --green:#16A34A;--green-bg:#F0FDF4;--green-border:#BBF7D0;
  --amber:#D97706;--amber-bg:#FFFBEB;--amber-border:#FDE68A;
  --red:#DC2626;--red-bg:#FEF2F2;--red-border:#FECACA;
  --blue-bg:#EFF6FF;--blue-border:#BFDBFE;
  --purple:#7C3AED;--purple-bg:#F5F3FF;
  --saipem:#C8102E;
  --radius:10px;--radius-sm:6px;
}
[data-theme="dark"]{
  --bg:#0F1117;--bg2:#161B26;--bg3:#1E2433;--bg4:#252D3F;
  --border:#2A3348;--border2:#3A4560;
  --text:#E8EDF8;--text2:#8A96B0;--text3:#555F78;
  --accent:#3E7BFA;--accent2:#2A5FD4;
  --green:#22C55E;--green-bg:#0D2818;--green-border:#1A4D2E;
  --amber:#F59E0B;--amber-bg:#271E0A;--amber-border:#4A3510;
  --red:#EF4444;--red-bg:#270D0D;--red-border:#4D1A1A;
  --blue-bg:#0D1A38;--blue-border:#1A3068;
  --purple:#A78BFA;--purple-bg:#1A1230;
}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;}

/* Layout */
.layout{display:flex;flex:1;height:100vh;overflow:hidden;}
.sidebar{width:230px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:width .2s ease;}
.sidebar.collapsed{width:54px;}
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;}

/* Sidebar */
.sidebar-logo{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;justify-content:space-between;min-height:56px;}
.sidebar-logo-left{display:flex;align-items:center;gap:10px;overflow:hidden;}
.logo-mark{width:34px;height:34px;background:transparent;border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.logo-mark img{width:34px;height:34px;object-fit:contain;}
.logo-name{font-size:15px;font-weight:600;letter-spacing:.5px;white-space:nowrap;}
.logo-sub{font-size:10px;color:var(--text3);letter-spacing:1px;text-transform:uppercase;margin-top:1px;white-space:nowrap;}
.logo-text{overflow:hidden;transition:opacity .2s,width .2s;}
.sidebar.collapsed .logo-text{opacity:0;width:0;}
.hamburger{width:26px;height:26px;border-radius:5px;background:transparent;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text3);flex-shrink:0;transition:background .15s;}
.hamburger:hover{background:var(--bg3);color:var(--text);}
.sidebar.collapsed .hamburger{margin:0 auto;}
.sidebar.collapsed .sidebar-logo{justify-content:center;padding:14px 10px;}

.nav{padding:10px 8px;flex:1;overflow-y:auto;overflow-x:hidden;}
.nav-section{font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--text3);padding:8px 8px 4px;white-space:nowrap;overflow:hidden;transition:opacity .2s;}
.sidebar.collapsed .nav-section{opacity:0;height:0;padding:0;margin:0;}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;margin-bottom:2px;transition:background .15s,padding .2s;font-size:13px;color:var(--text2);white-space:nowrap;overflow:hidden;position:relative;}
.nav-item:hover{background:var(--bg3);color:var(--text);}
.nav-item.active{background:var(--blue-bg);color:var(--accent);border:1px solid var(--blue-border);}
.nav-item svg{width:15px;height:15px;flex-shrink:0;}
.nav-label{transition:opacity .2s,width .2s;overflow:hidden;}
.sidebar.collapsed .nav-label{opacity:0;width:0;}
.sidebar.collapsed .nav-item{padding:8px;justify-content:center;gap:0;}
.sidebar.collapsed .nav-badge{display:none;}
.nav-badge{margin-left:auto;background:var(--accent);color:#fff;font-size:10px;font-weight:600;padding:1px 6px;border-radius:10px;min-width:20px;text-align:center;}
.nav-badge.red{background:var(--red);}
/* Tooltip on hover when collapsed */
.sidebar.collapsed .nav-item:hover::after{content:attr(data-title);position:absolute;left:58px;background:var(--bg4);color:var(--text);font-size:12px;padding:5px 10px;border-radius:6px;white-space:nowrap;z-index:100;border:1px solid var(--border2);pointer-events:none;}

.sidebar-footer{padding:12px;border-top:1px solid var(--border);overflow:hidden;}
.user-row{display:flex;align-items:center;gap:9px;}
.user-avatar{width:30px;height:30px;border-radius:50%;background:var(--accent2);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;flex-shrink:0;}
.user-name{font-size:13px;font-weight:500;white-space:nowrap;}
.user-role{font-size:10px;color:var(--text3);white-space:nowrap;}
.user-text{overflow:hidden;transition:opacity .2s,width .2s;}
.sidebar.collapsed .user-text{opacity:0;width:0;}
.sidebar.collapsed .user-row{justify-content:center;}

/* Topbar */
.topbar{padding:12px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--bg2);flex-shrink:0;}
.topbar-left{display:flex;align-items:center;gap:12px;}
.page-title{font-size:15px;font-weight:600;}
.date-nav{display:flex;align-items:center;gap:4px;}
.date-btn{width:26px;height:26px;background:var(--bg3);border:1px solid var(--border);border-radius:5px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text2);}
.date-btn:hover{background:var(--bg4);color:var(--text);}
.date-display{padding:5px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text);cursor:pointer;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:8px;}
.sync-badge{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text3);padding:4px 10px;border-radius:20px;background:var(--bg3);border:1px solid var(--border);}
.sync-dot{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.sync-dot.live{background:var(--green);}
/* Conflict row works in both themes */
.conflict-row{background:rgba(220,38,38,.06)!important;}
.conflict-row:hover{background:rgba(220,38,38,.10)!important;}
.conflict-row td{border-left:2px solid var(--red);}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;font-family:'DM Sans',sans-serif;transition:all .15s;white-space:nowrap;}
.btn svg{width:13px;height:13px;flex-shrink:0;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:var(--accent2);border-color:var(--accent2);}
.btn-success{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border);}
.btn-success:hover{filter:brightness(.95);}
.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border);}
.btn-danger:hover{filter:brightness(.95);}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border);}
.btn-ghost:hover{background:var(--bg3);color:var(--text);}
.btn-amber{background:var(--amber-bg);color:var(--amber);border:1px solid var(--amber-border);}
.btn-amber:hover{filter:brightness(.95);}
.btn-sm{padding:4px 10px;font-size:11px;}

/* Content */
.content{flex:1;overflow-y:auto;padding:20px 22px;}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px;}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:13px 15px;animation:fadeUp .3s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.stat-card:nth-child(2){animation-delay:.05s}.stat-card:nth-child(3){animation-delay:.1s}.stat-card:nth-child(4){animation-delay:.15s}.stat-card:nth-child(5){animation-delay:.2s}
.stat-label{font-size:10px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text3);margin-bottom:5px;}
.stat-value{font-size:24px;font-weight:600;line-height:1;}
.stat-sub{font-size:11px;color:var(--text3);margin-top:3px;}

/* Cards */
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:14px;}
.card-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.card-title{font-size:13px;font-weight:600;color:var(--text);}
.card-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}

/* Search */
.search-box{display:flex;align-items:center;gap:7px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 11px;}
.search-box input{background:none;border:none;outline:none;font-size:13px;color:var(--text);font-family:'DM Sans',sans-serif;width:180px;}
.search-box input::placeholder{color:var(--text3);}
.search-box svg{width:13px;height:13px;color:var(--text3);flex-shrink:0;}

/* Filter tabs */
.filter-tabs{display:flex;gap:2px;background:var(--bg3);border-radius:var(--radius-sm);padding:3px;}
.ftab{padding:5px 12px;border-radius:4px;font-size:12px;font-weight:500;color:var(--text2);cursor:pointer;transition:all .15s;white-space:nowrap;}
.ftab.active{background:var(--bg2);color:var(--text);}

/* Table */
.tbl-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;}
thead tr{border-bottom:1px solid var(--border);}
thead th{padding:9px 12px;text-align:left;font-size:10px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--text3);white-space:nowrap;cursor:pointer;user-select:none;}
thead th:hover{color:var(--text2);}
tbody tr{border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s;}
tbody tr:hover{background:var(--bg3);}
tbody tr:last-child{border-bottom:none;}
tbody td{padding:9px 12px;font-size:12px;color:var(--text2);vertical-align:middle;}
td.bold{font-weight:500;color:var(--text);}
.td-mono{font-family:'DM Mono',monospace;font-size:11px;color:var(--text3);}
.td-time{font-family:'DM Mono',monospace;font-size:12px;font-weight:500;color:var(--text);}
.empty-row td{text-align:center;padding:32px;color:var(--text3);font-size:13px;}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:500;padding:2px 8px;border-radius:20px;white-space:nowrap;}
.badge svg{width:5px;height:5px;fill:currentColor;}
.b-green{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border);}
.b-amber{background:var(--amber-bg);color:var(--amber);border:1px solid var(--amber-border);}
.b-red{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border);}
.b-blue{background:var(--blue-bg);color:var(--accent);border:1px solid var(--blue-border);}
.b-purple{background:var(--purple-bg);color:var(--purple);border:1px solid #3A2860;}
.b-gray{background:var(--bg4);color:var(--text2);border:1px solid var(--border2);}

/* Driver chip */
.d-chip{display:inline-flex;align-items:center;gap:5px;background:var(--bg4);border:1px solid var(--border2);border-radius:20px;padding:2px 9px;font-size:11px;font-weight:500;color:var(--text);white-space:nowrap;}
.d-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;}

/* Conflict row */
.conflict-row{background:rgba(239,68,68,.07)!important;}
.conflict-row:hover{background:rgba(239,68,68,.12)!important;}
.conflict-row td{border-left:2px solid var(--red);}
.conflict-row td:first-child{border-left:2px solid var(--red);}

/* Import zone */
.import-zone{border:2px dashed var(--border2);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:18px;}
.import-zone:hover,.import-zone.drag{border-color:var(--accent);background:rgba(62,123,250,.05);}
.import-zone svg{width:32px;height:32px;color:var(--text3);margin-bottom:10px;}
.import-zone h3{font-size:14px;font-weight:500;color:var(--text2);margin-bottom:4px;}
.import-zone p{font-size:12px;color:var(--text3);}
#file-input{display:none;}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .2s;}
.modal-overlay.open{opacity:1;pointer-events:all;}
.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:14px;width:640px;max-height:88vh;overflow-y:auto;transform:translateY(14px);transition:transform .2s;display:flex;flex-direction:column;}
.modal-overlay.open .modal{transform:translateY(0);}
.modal-head{padding:18px 20px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--bg2);z-index:1;}
.modal-title{font-size:15px;font-weight:600;}
.modal-close{width:26px;height:26px;border-radius:5px;background:var(--bg3);border:1px solid var(--border);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text2);flex-shrink:0;}
.modal-close:hover{color:var(--text);background:var(--bg4);}
.modal-body{padding:18px 20px;flex:1;}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;position:sticky;bottom:0;background:var(--bg2);}

/* Form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.fg{display:flex;flex-direction:column;gap:4px;}
.fg.full{grid-column:1/-1;}
.fl{font-size:10px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text3);}
.fi,.fs{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 11px;font-size:13px;color:var(--text);font-family:'DM Sans',sans-serif;outline:none;transition:border .15s;width:100%;}
.fi:focus,.fs:focus{border-color:var(--accent);}
.fs option{background:var(--bg3);color:var(--text);}
.form-sep{grid-column:1/-1;border-top:1px solid var(--border);padding-top:12px;font-size:10px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--text3);margin-top:4px;}

/* Driver view */
.driver-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;}
.driver-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:13px 14px;transition:border .15s;}
.driver-card:hover{border-color:var(--border2);}
.dc-top{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.dc-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;flex-shrink:0;}
.dc-name{font-size:13px;font-weight:500;color:var(--text);}
.dc-num{font-size:11px;color:var(--text3);font-family:'DM Mono',monospace;}
.dc-trips{font-size:11px;color:var(--text3);margin-top:4px;}

/* Confirm dialog */
.confirm-box{background:var(--bg2);border:1px solid var(--border2);border-radius:12px;padding:24px;width:360px;text-align:center;}
.confirm-box h3{font-size:15px;font-weight:600;margin-bottom:8px;}
.confirm-box p{font-size:13px;color:var(--text2);margin-bottom:20px;line-height:1.6;}
.confirm-btns{display:flex;gap:8px;justify-content:center;}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:12px 18px;font-size:13px;color:var(--text);z-index:999;transform:translateY(80px);opacity:0;transition:all .3s;display:flex;align-items:center;gap:10px;max-width:320px;}
.toast.show{transform:translateY(0);opacity:1;}
.toast.success{border-color:var(--green-border);background:var(--green-bg);}
.toast.error{border-color:var(--red-border);background:var(--red-bg);}

/* PDF preview */
#pdf-frame{width:100%;height:90vh;border:none;background:#fff;border-radius:var(--radius);}

/* Scrollbar */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px;}

/* Responsive */
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(3,1fr);}.sidebar{width:200px;}}

/* ══════════════════════════════════════════
   LOGIN SCREEN
══════════════════════════════════════════ */
.login-overlay{position:fixed;inset:0;background:var(--bg);z-index:9999;display:flex;align-items:center;justify-content:center;}
.login-box{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:36px 40px;width:380px;box-shadow:0 8px 40px rgba(0,0,0,.12);}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:28px;justify-content:center;}
.login-logo-mark{width:42px;height:42px;border-radius:9px;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.login-logo-mark img{width:42px;height:42px;object-fit:contain;}
.login-logo-text .logo-name{font-size:18px;font-weight:700;letter-spacing:.5px;}
.login-logo-text .logo-sub{font-size:10px;color:var(--text3);letter-spacing:1.5px;text-transform:uppercase;}
.login-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px;text-align:center;}
.login-sub{font-size:12px;color:var(--text3);text-align:center;margin-bottom:24px;}
.login-form{display:flex;flex-direction:column;gap:14px;}
.login-field{display:flex;flex-direction:column;gap:5px;}
.login-label{font-size:10px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text3);}
.login-input{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 13px;font-size:14px;color:var(--text);font-family:'DM Sans',sans-serif;outline:none;transition:border .15s;width:100%;}
.login-input:focus{border-color:var(--accent);}
.login-btn{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:11px;font-size:14px;font-weight:600;cursor:pointer;font-family:'DM Sans',sans-serif;transition:background .15s;margin-top:4px;}
.login-btn:hover{background:var(--accent2);}
.login-error{font-size:12px;color:var(--red);text-align:center;padding:8px;background:var(--red-bg);border:1px solid var(--red-border);border-radius:6px;display:none;}
.login-error.show{display:block;}
.user-badge{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text3);padding:3px 8px;border-radius:20px;background:var(--bg3);border:1px solid var(--border);cursor:pointer;}
.user-badge:hover{color:var(--red);}