:root {
  --red: #D42B2B;
  --red-dark: #A81E1E;
  --red-light: #F44336;
  --blue: #0BB4E8;
  --blue-dark: #0891C4;
  --blue-light: #63D4F5;
  --dark: #0D1117;
  --dark2: #161B22;
  --dark3: #1F2937;
  --sidebar-bg: #0D1117;
  --sidebar-width: 240px;
  --card-bg: #FFFFFF;
  --border: #E5E7EB;
  --text: #1F2937;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
  --radius: 12px;
  --radius-sm: 8px;
}

*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'DM Sans',sans-serif;background:#F3F4F8;color:var(--text);overflow:hidden;}
input,select,textarea,button{font-family:'DM Sans',sans-serif;}

/* ===== LOGIN ===== */
.login-page{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:1000;}
.login-bg{position:absolute;inset:0;background:linear-gradient(135deg,var(--dark) 0%,#1a2540 50%,#0a1628 100%);}
.login-shapes .shape{position:absolute;border-radius:50%;opacity:.08;}
.shape.s1{width:500px;height:500px;background:var(--red);top:-100px;right:-100px;}
.shape.s2{width:300px;height:300px;background:var(--blue);bottom:-50px;left:-50px;}
.shape.s3{width:200px;height:200px;background:var(--red);bottom:100px;right:200px;}
.login-card{position:relative;background:rgba(255,255,255,.97);border-radius:20px;padding:48px 40px;width:420px;box-shadow:0 32px 80px rgba(0,0,0,.4);border-top:4px solid var(--red);}
.login-logo-area{text-align:center;margin-bottom:32px;}
.login-brand-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--red),var(--blue));border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:28px;color:#fff;}
.logo-placeholder-login img{max-width:100px;max-height:60px;object-fit:contain;margin:0 auto 12px;display:block;}
.login-brand{font-family:'Bebas Neue',sans-serif;font-size:42px;color:var(--red);letter-spacing:4px;line-height:1;}
.login-subtitle{color:var(--text-muted);font-size:13px;margin-top:4px;}
.login-error{background:#FEE2E2;color:#991B1B;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;}
.input-wrap{position:relative;display:flex;align-items:center;}
.input-wrap i{position:absolute;left:14px;color:var(--text-muted);font-size:14px;}
.input-wrap input{width:100%;padding:12px 14px 12px 40px;border:2px solid var(--border);border-radius:10px;font-size:14px;outline:none;transition:.2s;}
.input-wrap input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,180,232,.1);}
.toggle-pass{position:absolute;right:14px;cursor:pointer;color:var(--text-muted);}
.btn-login{width:100%;padding:14px;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;margin-top:8px;transition:.2s;display:flex;align-items:center;justify-content:center;gap:8px;}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(212,43,43,.3);}
.login-footer{text-align:center;color:var(--text-light);font-size:12px;margin-top:24px;}

/* ===== MAIN APP ===== */
.main-app{display:flex;height:100vh;overflow:hidden;}

/* SIDEBAR */
.sidebar{width:var(--sidebar-width);background:var(--dark);display:flex;flex-direction:column;transition:.3s;overflow:hidden;flex-shrink:0;}
.sidebar.collapsed{width:64px;}
.sidebar-header{display:flex;align-items:center;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.06);gap:10px;min-height:72px;}
.sidebar-logo{width:36px;height:36px;background:linear-gradient(135deg,var(--red),var(--blue));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0;overflow:hidden;}
.sidebar-logo img{width:100%;height:100%;object-fit:contain;}
#sidebarLogoImg img{width:36px;height:36px;object-fit:contain;border-radius:8px;}
.sidebar-brand-text{flex:1;overflow:hidden;}
.sb-name{display:block;font-family:'Bebas Neue',sans-serif;font-size:20px;color:#fff;letter-spacing:3px;line-height:1.1;}
.sb-sub{display:block;font-size:10px;color:rgba(255,255,255,.4);letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sidebar-toggle{background:none;border:none;color:rgba(255,255,255,.5);cursor:pointer;font-size:16px;padding:4px;flex-shrink:0;}
.sidebar-toggle:hover{color:#fff;}
.user-badge{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.06);}
.user-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--red),var(--blue-dark));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0;}
.user-info{overflow:hidden;}
.user-info span{display:block;font-size:13px;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-role{font-size:11px!important;color:var(--blue)!important;font-weight:400!important;}
.sidebar-nav{flex:1;overflow-y:auto;padding:12px 0;}
.sidebar-nav::-webkit-scrollbar{width:3px;}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px;}
.nav-section-label{font-size:10px;font-weight:700;color:rgba(255,255,255,.25);letter-spacing:1.5px;padding:12px 16px 4px;text-transform:uppercase;}
.sidebar.collapsed .nav-section-label{display:none;}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 16px;color:rgba(255,255,255,.55);text-decoration:none;font-size:13.5px;font-weight:500;transition:.15s;border-left:3px solid transparent;}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-item.active{color:#fff;background:linear-gradient(90deg,rgba(212,43,43,.15),rgba(11,180,232,.05));border-left-color:var(--red);}
.nav-item i{width:20px;text-align:center;font-size:15px;flex-shrink:0;}
.sidebar.collapsed .nav-item span{display:none;}
.sidebar.collapsed .user-info{display:none;}
.sidebar.collapsed .sidebar-brand-text{display:none;}

/* CONTENT */
.content-area{flex:1;overflow-y:auto;background:#F3F4F8;}
.page-content{display:none;padding:28px;min-height:100vh;}
.page-content.active{display:block;}

/* PAGE HEADER */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.page-header-left h2{font-family:'Rajdhani',sans-serif;font-size:26px;font-weight:700;color:var(--text);}
.page-header-left p{color:var(--text-muted);font-size:13px;margin-top:2px;}
.page-breadcrumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);margin-bottom:6px;}
.page-breadcrumb i{font-size:10px;}

/* CARDS */
.card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.04);}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.card-title{font-family:'Rajdhani',sans-serif;font-size:17px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px;}
.card-title i{color:var(--red);}

/* STAT CARDS */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px;}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.04);position:relative;overflow:hidden;transition:.2s;}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;}
.stat-card.red::before{background:linear-gradient(90deg,var(--red),var(--red-light));}
.stat-card.blue::before{background:linear-gradient(90deg,var(--blue-dark),var(--blue-light));}
.stat-card.green::before{background:linear-gradient(90deg,#059669,#34D399);}
.stat-card.orange::before{background:linear-gradient(90deg,#D97706,#FBBF24);}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;}
.stat-icon.red{background:#FEE2E2;color:var(--red);}
.stat-icon.blue{background:#E0F7FD;color:var(--blue-dark);}
.stat-icon.green{background:#D1FAE5;color:#059669;}
.stat-icon.orange{background:#FEF3C7;color:#D97706;}
.stat-value{font-family:'Rajdhani',sans-serif;font-size:28px;font-weight:700;color:var(--text);line-height:1;}
.stat-label{font-size:12.5px;color:var(--text-muted);margin-top:4px;}
.stat-change{font-size:12px;margin-top:8px;display:flex;align-items:center;gap:4px;}
.stat-change.up{color:var(--success);}
.stat-change.down{color:var(--danger);}

/* GRID LAYOUTS */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-2-1{display:grid;grid-template-columns:2fr 1fr;gap:20px;}

/* TABLES */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;}
thead tr{background:#F9FAFB;}
th{padding:12px 16px;text-align:left;font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;border-bottom:2px solid var(--border);}
td{padding:13px 16px;font-size:13.5px;color:var(--text);border-bottom:1px solid #F3F4F6;}
tr:hover td{background:#F9FAFB;}
tr:last-child td{border-bottom:none;}

/* BADGES */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;}
.badge-success{background:#D1FAE5;color:#065F46;}
.badge-danger{background:#FEE2E2;color:#991B1B;}
.badge-warning{background:#FEF3C7;color:#92400E;}
.badge-info{background:#E0F7FD;color:#0369A1;}
.badge-gray{background:#F3F4F6;color:#374151;}
.badge-blue{background:#DBEAFE;color:#1E40AF;}
.badge-red{background:#FEE2E2;color:#991B1B;}
.badge-purple{background:#EDE9FE;color:#5B21B6;}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:13.5px;font-weight:600;cursor:pointer;border:none;transition:.15s;}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);}
.btn-secondary{background:var(--blue);color:#fff;}
.btn-secondary:hover{background:var(--blue-dark);}
.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text);}
.btn-outline:hover{border-color:var(--red);color:var(--red);}
.btn-success{background:var(--success);color:#fff;}
.btn-sm{padding:6px 12px;font-size:12px;}
.btn-icon{width:34px;height:34px;padding:0;justify-content:center;}
.btn-danger{background:var(--danger);color:#fff;}

/* FORMS */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:10px 14px;border:2px solid var(--border);border-radius:8px;font-size:13.5px;outline:none;transition:.2s;color:var(--text);}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,180,232,.1);}
.form-field textarea{resize:vertical;min-height:90px;}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);}
.modal-box{background:#fff;border-radius:16px;width:90%;max-width:650px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 32px 80px rgba(0,0,0,.3);}
.modal-box.modal-lg{max-width:850px;}
.modal-box.modal-xl{max-width:1000px;}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:2px solid var(--border);}
.modal-header h3{font-family:'Rajdhani',sans-serif;font-size:20px;font-weight:700;}
.modal-header button{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:18px;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;}
.modal-header button:hover{background:#F3F4F6;color:var(--text);}
.modal-body{padding:24px;overflow-y:auto;flex:1;}
.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}

/* TOAST */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px;}
.toast{background:#1F2937;color:#fff;padding:12px 18px;border-radius:10px;font-size:13.5px;display:flex;align-items:center;gap:10px;box-shadow:0 8px 24px rgba(0,0,0,.2);animation:slideIn .3s ease;min-width:240px;}
.toast.success{border-left:4px solid var(--success);}
.toast.error{border-left:4px solid var(--danger);}
.toast.info{border-left:4px solid var(--blue);}
@keyframes slideIn{from{transform:translateX(100%);opacity:0;}to{transform:translateX(0);opacity:1;}}

/* SEARCH & FILTER BAR */
.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap;}
.search-box{position:relative;flex:1;min-width:200px;}
.search-box i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px;}
.search-box input{width:100%;padding:9px 14px 9px 36px;border:2px solid var(--border);border-radius:8px;font-size:13.5px;outline:none;}
.search-box input:focus{border-color:var(--blue);}

/* PROGRESS BAR */
.progress{background:#F3F4F6;border-radius:99px;height:8px;overflow:hidden;}
.progress-bar{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--red),var(--blue));}

/* AVATAR */
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--red),var(--blue));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0;}

/* EMPTY STATE */
.empty-state{text-align:center;padding:60px 20px;}
.empty-state i{font-size:52px;color:var(--border);margin-bottom:16px;}
.empty-state h4{font-size:16px;color:var(--text-muted);font-weight:600;}
.empty-state p{font-size:13px;color:var(--text-light);margin-top:4px;}

/* CHART PLACEHOLDER */
.chart-placeholder{background:linear-gradient(135deg,#F9FAFB,#F3F4F8);border-radius:10px;height:200px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px;border:2px dashed var(--border);}

/* STATUS DOT */
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px;}
.status-dot.green{background:var(--success);}
.status-dot.red{background:var(--danger);}
.status-dot.orange{background:var(--warning);}
.status-dot.blue{background:var(--blue);}

/* DIVIDER */
.divider{border:none;border-top:1px solid var(--border);margin:20px 0;}

/* ACTION BUTTONS IN TABLE */
.action-btns{display:flex;gap:6px;}

/* TAB SYSTEM */
.tab-bar{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:24px;}
.tab-btn{padding:10px 20px;border:none;background:none;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--text-muted);border-bottom:3px solid transparent;margin-bottom:-2px;transition:.15s;}
.tab-btn.active{color:var(--red);border-bottom-color:var(--red);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* KPI RING */
.kpi-ring{width:100px;height:100px;border-radius:50%;background:conic-gradient(var(--red) 0deg, var(--blue) 180deg, #F3F4F6 180deg);display:flex;align-items:center;justify-content:center;margin:0 auto;}
.kpi-inner{width:74px;height:74px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Rajdhani',sans-serif;font-size:20px;font-weight:700;}

/* INVOICE PREVIEW */
.invoice-preview{background:#fff;border:1px solid var(--border);border-radius:10px;padding:32px;}
.invoice-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px;}
.invoice-title{font-family:'Bebas Neue',sans-serif;font-size:36px;color:var(--red);letter-spacing:2px;}
.invoice-table th{background:linear-gradient(90deg,var(--red),var(--blue-dark));color:#fff;}
.invoice-total{text-align:right;margin-top:16px;font-family:'Rajdhani',sans-serif;}
.invoice-total-value{font-size:28px;font-weight:700;color:var(--red);}

/* RESPONSIVE */
@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:900px){.grid-2,.grid-2-1{grid-template-columns:1fr;}.form-row,.form-row-3{grid-template-columns:1fr;}}

/* SCROLLBAR */
.content-area::-webkit-scrollbar{width:5px;}
.content-area::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1);border-radius:3px;}

/* NOTIFICATION DOT */
.notif-badge{position:absolute;top:6px;right:6px;width:8px;height:8px;background:var(--red);border-radius:50%;}

/* LOGO UPLOAD */
.logo-upload-area{border:2px dashed var(--border);border-radius:12px;padding:32px;text-align:center;cursor:pointer;transition:.2s;}
.logo-upload-area:hover{border-color:var(--blue);background:#F0FBFF;}
.logo-upload-area img{max-width:150px;max-height:80px;object-fit:contain;}

/* COLOR ACCENT LINE */
.accent-line{height:4px;background:linear-gradient(90deg,var(--red),var(--blue));border-radius:2px;margin-bottom:24px;}