/* NAS M&E System — Main Stylesheet */
:root{
  --primary:#1a56db;--primary-dark:#1e40af;--primary-light:#dbeafe;
  --secondary:#64748b;--success:#16a34a;--danger:#dc2626;
  --warning:#d97706;--info:#0891b2;
  --bg:#f1f5f9;--surface:#ffffff;--surface-2:#f8fafc;
  --border:#e2e8f0;--border-strong:#cbd5e1;
  --text:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;
  --sidebar-bg:#0f172a;--sidebar-text:#cbd5e1;--sidebar-hover:#1e293b;--sidebar-active:#1a56db;
  --sidebar-width:260px;--topbar-h:60px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow-md:0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:0 10px 30px rgba(0,0,0,.12);
  --radius:8px;--radius-lg:12px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:15px;scroll-behavior:smooth;}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;}

/* ── App Layout ─────────────────────────────────────────── */
.app-layout{display:flex;min-height:100vh;}

.sidebar{
  width:var(--sidebar-width);min-height:100vh;
  background:var(--sidebar-bg);color:var(--sidebar-text);
  display:flex;flex-direction:column;
  position:fixed;left:0;top:0;z-index:1000;
  transition:transform .3s ease;
}
.sidebar-header{
  padding:1.25rem 1rem;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;color:#fff;text-decoration:none;font-weight:700;font-size:1rem;}
.brand:hover{color:#fff;}
.sidebar-close{display:none;background:none;border:none;color:var(--sidebar-text);font-size:1.2rem;cursor:pointer;padding:.25rem;}

.sidebar-nav{flex:1;padding:1rem 0;overflow-y:auto;}
.nav-label{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--text-light);padding:.75rem 1.25rem .35rem;}
.nav-link{
  display:flex;align-items:center;gap:.75rem;
  padding:.65rem 1.25rem;color:var(--sidebar-text);text-decoration:none;
  font-size:.875rem;font-weight:500;border-radius:0;transition:background .2s,color .2s;
  border-left:3px solid transparent;
}
.nav-link:hover{background:var(--sidebar-hover);color:#fff;}
.nav-link.active{background:var(--sidebar-active);color:#fff;border-left-color:#60a5fa;}
.nav-link i{width:18px;text-align:center;font-size:.95rem;}

.sidebar-footer{padding:.75rem 0;border-top:1px solid rgba(255,255,255,.07);}

/* ── Main Wrapper ──────────────────────────────────────── */
.main-wrapper{
  margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh;
  transition:margin-left .3s;
}
.public-wrapper{flex:1;}

.topbar{
  height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 1.5rem;position:sticky;top:0;z-index:900;box-shadow:var(--shadow-sm);
}
.menu-toggle{background:none;border:none;font-size:1.2rem;color:var(--secondary);cursor:pointer;padding:.4rem;border-radius:var(--radius);}
.menu-toggle:hover{background:var(--bg);}

.user-menu{display:flex;align-items:center;gap:1rem;}
.user-profile{display:flex;align-items:center;gap:.75rem;}
.user-name{display:block;font-weight:600;font-size:.875rem;color:var(--text);}
.user-role{display:block;font-size:.75rem;color:var(--text-muted);}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.9rem;
}
.profile-link img{transition:transform .2s, border-color .2s;}
.profile-link:hover img{transform:scale(1.05);border-color:var(--primary)!important;}

.content{flex:1;padding:1.75rem 2rem;max-width:1400px;width:100%;}

/* ── Cards ─────────────────────────────────────────────── */
.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:visible;}
.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:var(--surface-2);border-top-left-radius:calc(var(--radius-lg) - 1px);border-top-right-radius:calc(var(--radius-lg) - 1px);}
.card-header h5,.card-header h6{margin:0;font-weight:600;}
.card-body{padding:1.25rem;}
.card-footer{padding:.75rem 1.25rem;border-top:1px solid var(--border);background:var(--surface-2);border-bottom-left-radius:calc(var(--radius-lg) - 1px);border-bottom-right-radius:calc(var(--radius-lg) - 1px);}

/* ── Stat Cards ─────────────────────────────────────────── */
.stat-card{
  background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);
  padding:1.25rem;box-shadow:var(--shadow-sm);
  display:flex;align-items:center;gap:1rem;transition:transform .2s,box-shadow .2s;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.stat-icon{
  width:52px;height:52px;border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;
}
.stat-value{font-size:1.75rem;font-weight:700;line-height:1;}
.stat-label{font-size:.8rem;color:var(--text-muted);margin-top:.25rem;}

/* ── Badges ─────────────────────────────────────────────── */
.badge{display:inline-block;padding:.25em .6em;font-size:.72rem;font-weight:600;border-radius:30px;white-space:nowrap;}
.badge-success{background:#dcfce7;color:#15803d;}
.badge-danger{background:#fee2e2;color:#b91c1c;}
.badge-warning{background:#fef3c7;color:#92400e;}
.badge-info{background:#e0f2fe;color:#075985;}
.badge-secondary{background:#f1f5f9;color:#475569;}
.badge-excellent{background:#dcfce7;color:#15803d;}
.badge-good{background:#dbeafe;color:#1d4ed8;}
.badge-poor{background:#fee2e2;color:#b91c1c;}

/* ── Tables ─────────────────────────────────────────────── */
.table-container{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border);}
table.data-table{width:100%;border-collapse:collapse;background:var(--surface);}
.data-table thead th{
  background:var(--surface-2);color:var(--text-muted);font-size:.75rem;
  font-weight:600;text-transform:uppercase;letter-spacing:.06em;
  padding:.75rem 1rem;border-bottom:1px solid var(--border);white-space:nowrap;
}
.data-table tbody td{padding:.75rem 1rem;border-bottom:1px solid var(--border);font-size:.875rem;}
.data-table tbody tr:last-child td{border-bottom:none;}
.data-table tbody tr:hover{background:var(--surface-2);}

/* ── Forms ──────────────────────────────────────────────── */
.form-label{font-size:.82rem;font-weight:600;color:var(--text);margin-bottom:.35rem;display:block;}
.form-control,.form-select{
  border:1px solid var(--border-strong);border-radius:var(--radius);
  padding:.5rem .75rem;font-size:.875rem;width:100%;
  background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s;
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.12);outline:none;
}
.form-group{margin-bottom:1.1rem;}
.form-text{font-size:.75rem;color:var(--text-muted);margin-top:.25rem;}
.form-check-input{accent-color:var(--primary);}

/* ── Buttons ─────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.45rem 1rem;font-size:.85rem;font-weight:500;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .18s;line-height:1.4;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;}
.btn-success{background:#16a34a;color:#fff;border-color:#16a34a;}
.btn-success:hover{background:#15803d;color:#fff;}
.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger);}
.btn-danger:hover{background:#b91c1c;color:#fff;}
.btn-warning{background:#d97706;color:#fff;border-color:#d97706;}
.btn-warning:hover{background:#b45309;color:#fff;}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong);}
.btn-secondary:hover{background:var(--bg);}
.btn-sm{padding:.3rem .7rem;font-size:.78rem;}
.btn-lg{padding:.65rem 1.4rem;font-size:.95rem;}

/* ── Progress bars ──────────────────────────────────────── */
.progress-bar-wrap{background:#e2e8f0;border-radius:30px;height:8px;overflow:hidden;}
.progress-bar-fill{height:100%;border-radius:30px;transition:width .4s;}
.progress-bar-fill.excellent{background:#16a34a;}
.progress-bar-fill.good{background:#1a56db;}
.progress-bar-fill.poor{background:#dc2626;}
.progress-bar-fill.default{background:var(--primary);}

/* ── Page header ─────────────────────────────────────────── */
.page-header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;}
.page-header h1{font-size:1.35rem;font-weight:700;margin:0;}
.page-header p{font-size:.85rem;color:var(--text-muted);margin:.2rem 0 0;}

/* ── Section nav tabs ──────────────────────────────────── */
.section-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.5rem;}
.section-tab{
  padding:.45rem .9rem;border-radius:var(--radius);font-size:.82rem;font-weight:500;
  text-decoration:none;color:var(--secondary);background:var(--surface);
  border:1px solid var(--border);transition:all .18s;
}
.section-tab:hover{background:var(--primary-light);color:var(--primary-dark);}
.section-tab.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.section-tab.done{border-color:var(--success);color:var(--success);}

/* ── Login page ──────────────────────────────────────────── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 100%);padding:2rem;}
.login-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  width:100%;max-width:420px;overflow:hidden;}
.login-card-header{background:var(--primary);padding:2rem 2rem 1.5rem;color:#fff;text-align:center;}
.login-card-header img{height:52px;margin-bottom:.75rem;}
.login-card-header h1{font-size:1.25rem;font-weight:700;margin:0;}
.login-card-header p{font-size:.82rem;opacity:.85;margin:.3rem 0 0;}
.login-card-body{padding:2rem;}
.login-footer{text-align:center;padding:1rem 2rem;font-size:.78rem;color:var(--text-muted);border-top:1px solid var(--border);}

/* ── Signature canvas ──────────────────────────────────── */
.sig-canvas{border:2px dashed var(--border-strong);border-radius:var(--radius);background:#fafafa;cursor:crosshair;touch-action:none;}
.sig-canvas.signed{border-color:var(--success);border-style:solid;}

/* ── Filter bar ─────────────────────────────────────────── */
.filter-bar{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;
  background:var(--surface);border-radius:var(--radius-lg);padding:1rem;
  border:1px solid var(--border);margin-bottom:1.5rem;box-shadow:var(--shadow-sm);}
.filter-bar .form-control,.filter-bar .form-select{min-width:140px;flex:1;}

/* ── Tabs ────────────────────────────────────────────────── */
.tab-nav{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:1.5rem;}
.tab-btn{
  padding:.6rem 1.1rem;font-size:.85rem;font-weight:500;border:none;background:none;
  color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .18s;
  text-decoration:none;
}
.tab-btn:hover{color:var(--primary);}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);}

/* ── Alert overrides ─────────────────────────────────────── */
.alert{border-radius:var(--radius);padding:.85rem 1rem;font-size:.875rem;border:none;}
.alert-success{background:#dcfce7;color:#15803d;border-left:4px solid #16a34a;}
.alert-error,.alert-danger{background:#fee2e2;color:#b91c1c;border-left:4px solid #dc2626;}
.alert-warning{background:#fef3c7;color:#92400e;border-left:4px solid #d97706;}
.alert-info{background:#e0f2fe;color:#075985;border-left:4px solid #0891b2;}

/* ── Utilities ───────────────────────────────────────────── */
.text-muted{color:var(--text-muted)!important;}
.text-success{color:var(--success)!important;}
.text-danger{color:var(--danger)!important;}
.text-primary{color:var(--primary)!important;}
.fw-600{font-weight:600;}
.fw-700{font-weight:700;}
.gap-2{gap:.5rem;}
.mt-1{margin-top:.25rem;}.mt-2{margin-top:.5rem;}.mt-3{margin-top:1rem;}.mt-4{margin-top:1.5rem;}
.mb-1{margin-bottom:.25rem;}.mb-2{margin-bottom:.5rem;}.mb-3{margin-bottom:1rem;}.mb-4{margin-bottom:1.5rem;}
.d-flex{display:flex;}.align-items-center{align-items:center;}.justify-content-between{justify-content:space-between;}
.flex-wrap{flex-wrap:wrap;}.gap-3{gap:1rem;}
.w-100{width:100%;}.text-center{text-align:center;}.text-end{text-align:right;}
.rounded{border-radius:var(--radius);}

/* ── Responsive ──────────────────────────────────────────── */
@media screen and (max-width:768px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.active{transform:translateX(0);}
  .sidebar-close{display:block;}
  .main-wrapper{margin-left:0;}
  .content{padding:1rem;}
  .page-header{flex-direction:column;}
  .filter-bar{flex-direction:column;}
  .filter-bar .form-control,.filter-bar .form-select{min-width:100%;}
  .stat-card{padding:1rem;}
  .stat-value{font-size:1.35rem;}
  .data-table thead{display:none;}
  .data-table td{display:block;padding:.4rem .75rem;}
  .data-table td::before{content:attr(data-label);font-weight:600;margin-right:.5rem;color:var(--text-muted);}
}

/* ── Print Styles ────────────────────────────────────────── */
@media print {
    :root { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    @page { margin: 1cm; size: A4; }
    body { background: white !important; color: black !important; padding: 0 !important; margin: 0 !important; font-size: 11pt !important; }
    
    .sidebar, .topbar, .filter-bar, .btn, .breadcrumb, .no-print, .choices { display: none !important; }
    .main-wrapper { margin-left: 0 !important; transition: none !important; min-height: auto !important; }
    .content { padding: 0 !important; max-width: 100% !important; min-height: auto !important; }
    
    .card { border: 1px solid #e2e8f0 !important; box-shadow: none !important; margin-bottom: 20px !important; overflow: visible !important; }
    .card-header { background-color: #f8fafc !important; border-bottom: 1px solid #e2e8f0 !important; }
    .stat-card { border: 1px solid #e2e8f0 !important; box-shadow: none !important; break-inside: avoid; page-break-inside: avoid; }
    
    .table-container { overflow: visible !important; border: none !important; }
    .data-table { border: 1px solid #e2e8f0 !important; width: 100% !important; border-collapse: collapse !important; margin-bottom: 15px !important; }
    .data-table thead { display: table-header-group !important; }
    .data-table tr { display: table-row !important; break-inside: avoid !important; page-break-inside: avoid !important; }
    .data-table td, .data-table th { display: table-cell !important; padding: 6px 10px !important; border-bottom: 1px solid #e2e8f0 !important; text-align: left !important; font-size: 10pt !important; }
    .data-table th { background-color: #f8fafc !important; color: #0f172a !important; font-weight: bold !important; border-bottom: 2px solid #cbd5e1 !important; }
    .data-table td::before { display: none !important; }
    
    .progress-bar-wrap { border: 1px solid #cbd5e1 !important; background-color: #e2e8f0 !important; }
    .badge { border: 1px solid transparent !important; color: inherit; }
    
    .page-break { page-break-before: always; break-before: page; }
    
    /* Show report header only in print */
    .print-header { display: block !important; margin-bottom: 25px; text-align: center; border-bottom: 3px solid var(--primary); padding-bottom: 15px; }
    .print-header img { height: 70px; margin-bottom: 10px; }
    .print-header h2 { font-size: 18pt; font-weight: 700; margin: 0 0 5px 0; color: #0f172a; }
    .print-header h3 { font-size: 14pt; font-weight: 600; margin: 0 0 5px 0; color: #1e40af; }
    .print-header p { font-size: 10pt; color: #64748b; margin: 0; }
}

.print-header { display: none; }