@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');
:root{--bg:#f0f2f5;--card:#fff;--primary:#1e3a5f;--primary-light:#2c5282;--primary-hover:#2a4a72;--accent:#c53030;--accent-light:#fc8181;--border:#e2e8f0;--text:#1a202c;--text-muted:#718096;--text-light:#a0aec0;--success:#38a169;--success-bg:#f0fff4;--warning:#d69e2e;--warning-bg:#fffff0;--danger-bg:#fff5f5;--input-bg:#f7fafc;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px rgba(0,0,0,.04)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'DM Sans','Segoe UI',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.5}
.mono{font-family:'JetBrains Mono','Fira Code',monospace;font-variant-numeric:tabular-nums}

/* Auth */
.auth-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:linear-gradient(135deg,#1e3a5f 0%,#2c5282 100%)}
.auth-card{background:#fff;border-radius:var(--radius);padding:40px;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.auth-logo{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:8px}
.auth-logo span{font-size:22px;font-weight:800;color:var(--primary)}
.auth-sub{text-align:center;color:var(--text-muted);font-size:13px;margin-bottom:32px}
.auth-title{text-align:center;font-size:18px;font-weight:700;margin-bottom:20px}
.auth-link{color:var(--primary-light);cursor:pointer;text-decoration:underline}
.auth-footer{text-align:center;font-size:13px;color:var(--text-muted);margin-top:20px}
.auth-error{background:var(--danger-bg);color:var(--accent);padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;border:1px solid #fed7d7}
.auth-success{background:var(--success-bg);color:var(--success);padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;border:1px solid #c6f6d5}

/* Sidebar */
.sidebar{width:260px;background:var(--primary);color:#fff;position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100}
.sidebar-header{padding:28px 24px 20px}
.sidebar-logo{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.sidebar-logo svg{color:var(--accent-light)}
.sidebar-logo span{font-size:18px;font-weight:800;letter-spacing:-.5px}
.sidebar-sub{font-size:11px;color:rgba(255,255,255,.5);font-weight:500}
.sidebar nav{flex:1;padding:8px 12px;overflow-y:auto}
.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:rgba(255,255,255,.35)}
.nav-section{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.35);padding:16px 16px 6px;font-weight:700}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:var(--radius-sm);cursor:pointer;margin-bottom:4px;font-size:14px;font-weight:600;transition:all .15s;border:none;background:0 0;color:rgba(255,255,255,.65);width:100%}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.15);color:#fff}
.impersonate-bar{background:#d69e2e;color:#fff;padding:8px 16px;text-align:center;font-size:13px;font-weight:600;position:fixed;top:0;left:260px;right:0;z-index:200}

/* Main */
.main{margin-left:260px;padding:32px 40px;max-width:1200px}
.main.with-bar{padding-top:64px}

/* Cards */
.card{background:var(--card);border-radius:var(--radius);padding:24px 28px;margin-bottom:20px;border:1px solid var(--border);box-shadow:var(--shadow)}
.card-dark{background:var(--primary);color:#fff;border-color:var(--primary)}
.card-compact{padding:16px 20px}
.text-center{text-align:center}

/* Typography */
.h1{font-size:28px;font-weight:800;letter-spacing:-.5px}
.h2{font-size:20px;font-weight:700;letter-spacing:-.3px}
.h3{font-size:16px;font-weight:700}
.text-muted{color:var(--text-muted)}.text-sm{font-size:13px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-weight:600;font-size:14px;font-family:inherit;transition:all .15s;text-decoration:none}
.btn:hover{filter:brightness(1.1)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-outline{background:0 0;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-danger{background:var(--danger-bg);color:var(--accent);border:1px solid #fed7d7}
.btn-warning{background:var(--warning-bg);color:#744210;border:1px solid #fefcbf}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-xs{padding:4px 10px;font-size:12px}
.btn-icon{padding:6px;background:0 0;border:none;cursor:pointer;opacity:.4;transition:opacity .15s}
.btn-icon:hover{opacity:1}
.btn-block{width:100%;justify-content:center}

/* Inputs */
.form-group{margin-bottom:12px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);font-size:14px;font-family:inherit;background:var(--input-bg);outline:0;box-sizing:border-box;transition:border .15s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary)}
.form-textarea{min-height:80px;resize:vertical}

/* Grid */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.grid-4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:16px}
.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}
.flex-center{display:flex;align-items:center}.flex-wrap{flex-wrap:wrap}
.gap-8{gap:8px}.gap-10{gap:10px}.gap-12{gap:12px}.gap-16{gap:16px}
.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}.mb-28{margin-bottom:28px}.mt-12{margin-top:12px}

/* Tags */
.tag{display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600}
.tag-blue{background:#ebf8ff;color:var(--primary-light)}
.tag-green{background:var(--success-bg);color:var(--success);font-size:14px}
.tag-gray{background:var(--input-bg)}.tag-red{background:var(--danger-bg);color:var(--accent)}
.tag-yellow{background:var(--warning-bg);color:#744210}
.divider{border-top:1px solid var(--border);margin:16px 0}

/* Tables */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{text-align:left;padding:8px 12px;border-bottom:2px solid var(--border);font-weight:600;font-size:12px;text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px}
.table th.center{text-align:center}.table th.right{text-align:right}
.table td{padding:6px 12px;border-bottom:1px solid var(--border)}
.table td.center{text-align:center}.table td.right{text-align:right}
.table td .form-input{margin-bottom:0;padding:6px 10px}
.table tr.total{font-weight:700;background:var(--input-bg)}
.table tr:hover{background:var(--input-bg)}

/* Checkbox */
.checkbox{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}
.checkbox-box{width:20px;height:20px;border-radius:5px;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:all .15s;cursor:pointer;flex-shrink:0}
.checkbox-box.checked{background:var(--primary);border-color:var(--primary)}

/* Template Picker */
.tpl-picker{margin-top:12px;padding:16px;background:var(--input-bg);border-radius:var(--radius-sm);border:1px solid var(--border)}
.tpl-chip{padding:6px 14px;border-radius:6px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:13px;transition:all .15s}
.tpl-chip:hover{background:var(--primary);color:#fff}

/* Summary */
.summary-grid{display:grid;grid-template-columns:1fr auto;gap:10px 32px;font-size:14px;max-width:500px}
.summary-grid .label{opacity:.8}.summary-grid .value{font-weight:600;text-align:right}
.summary-grid .sep{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.2);margin:4px 0}
.summary-grid .big{font-weight:700}.summary-grid .big-value{font-weight:700;font-size:18px;text-align:right}
.ampere-ok{color:#68d391}.ampere-warn{color:var(--accent-light)}
.warning-box{grid-column:1/-1;background:rgba(252,129,129,.2);padding:8px 12px;border-radius:6px;font-size:13px;color:var(--accent-light)}

/* Project Cards */
.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.project-card{cursor:pointer;transition:box-shadow .15s}.project-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.08)}

/* Stat Cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat-value{font-size:28px;font-weight:800;color:var(--primary)}
.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}

/* Empty, Loading */
.empty{text-align:center;padding:60px 20px}
.loading{display:flex;align-items:center;justify-content:center;min-height:60vh;flex-direction:column;gap:12px}
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;padding:12px 20px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:13px;z-index:9999;animation:toastIn .3s ease-out;box-shadow:0 4px 12px rgba(0,0,0,.15)}
@keyframes toastIn{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:500}
.modal{background:#fff;border-radius:var(--radius);padding:28px;width:90%;max-width:500px;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal-title{font-size:18px;font-weight:700;margin-bottom:16px}

/* Print */
.print-bar{position:fixed;top:0;left:0;right:0;background:var(--primary);color:#fff;padding:12px 24px;display:flex;justify-content:space-between;align-items:center;z-index:1000}
.print-page{max-width:800px;margin:0 auto;padding:20px;font-size:11px;line-height:1.4}
.print-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--primary)}
.print-title{font-size:20px;font-weight:800;color:var(--primary);margin-bottom:4px}
.print-section{margin-bottom:20px}
.print-section-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--border)}
.print-table{width:100%;border-collapse:collapse;font-size:11px;margin-bottom:12px}
.print-table th{text-align:left;padding:6px 8px;border-bottom:2px solid #cbd5e0;font-weight:700;font-size:10px;text-transform:uppercase;color:#4a5568}
.print-table td{padding:5px 8px;border-bottom:1px solid var(--border)}
.print-table .right{text-align:right}.print-table .center{text-align:center}
.print-summary-box{border:2px solid var(--primary);border-radius:6px;padding:16px;margin-top:16px;background:var(--input-bg)}
.print-summary-grid{display:grid;grid-template-columns:1fr auto;gap:6px 24px;font-size:12px}
.print-field{display:inline-flex;flex-direction:column;margin-right:32px;margin-bottom:8px}
.print-field-label{font-size:9px;text-transform:uppercase;color:var(--text-muted);font-weight:600;letter-spacing:.5px}
.print-field-value{font-size:12px;font-weight:600;margin-top:2px}
.logo-preview{border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;background:#fff;display:inline-block}
.logo-placeholder{width:200px;height:80px;border:2px dashed var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px}

@media print{
body{margin:0;padding:0}.no-print{display:none!important}.sidebar{display:none!important}.main{margin-left:0!important;padding:0!important}.impersonate-bar{display:none!important}
.print-page-break{page-break-after:always}
@page{margin:15mm;size:A4}
}