:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #e0e7ff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --dark: #0f172a;
  --sidebar-bg: #1e1b4b;
  --sidebar-text: #c7d2fe;
  --sidebar-active: #6366f1;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.07);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);display:flex;min-height:100vh;overflow-x:hidden}

/* SIDEBAR */
.sidebar{width:220px;min-height:100vh;background:var(--sidebar-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;z-index:100;transition:.3s}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.logo-icon{width:36px;height:36px;background:var(--primary);border-radius:8px;display:grid;place-items:center;color:#fff;font-size:16px}
.logo-text{color:#fff;font-family:'Outfit',sans-serif;font-weight:700;font-size:18px}
.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--sidebar-text);text-decoration:none;font-size:14px;font-weight:500;transition:.2s}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--primary);color:#fff}
.nav-item i{width:18px;text-align:center;font-size:15px}
.sidebar-bottom{padding:12px 8px;border-top:1px solid rgba(255,255,255,.08)}

/* MAIN */
.main-wrapper{margin-left:220px;flex:1;display:flex;flex-direction:column;min-height:100vh}

/* TOPBAR */
.topbar{height:60px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:50;box-shadow:0 1px 8px rgba(0,0,0,.05)}
.menu-toggle{display:none;background:none;border:none;font-size:20px;cursor:pointer;color:var(--text)}
.topbar-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 14px;flex:1;max-width:400px}
.topbar-search input{border:none;background:transparent;outline:none;font-size:14px;width:100%}
.topbar-search i{color:var(--text-muted)}
.topbar-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.company-badge{background:var(--primary-light);color:var(--primary-dark);padding:5px 12px;border-radius:20px;font-size:13px;font-weight:600}
.icon-btn{background:none;border:1px solid var(--border);border-radius:8px;width:36px;height:36px;cursor:pointer;position:relative;display:grid;place-items:center;transition:.2s}
.icon-btn:hover{background:var(--bg)}
.notif-dot{position:absolute;top:6px;right:6px;width:7px;height:7px;background:var(--danger);border-radius:50%}
.avatar{width:36px;height:36px;background:var(--primary);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:15px}

/* CONTENT */
.content{flex:1;padding:28px 32px;overflow-y:auto}

/* CARDS & STATS */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.page-title{font-size:22px;font-weight:700}
.page-subtitle{font-size:13px;color:var(--text-muted);margin-top:2px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px}
.stat-card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border);position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent,var(--primary))}
.stat-icon{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:18px;margin-bottom:12px}
.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px}
.stat-value{font-size:24px;font-weight:800;margin-top:4px}
.stat-change{font-size:12px;margin-top:6px;display:flex;align-items:center;gap:4px}
.stat-change.up{color:var(--success)}
.stat-change.down{color:var(--danger)}

/* TABLE */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.card-header h3{font-size:15px;font-weight:700}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead tr{background:var(--bg)}
th{padding:11px 16px;text-align:left;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}
td{padding:13px 16px;font-size:13.5px;border-top:1px solid var(--border);vertical-align:middle}
tr:hover td{background:#f8faff}
.check-col{width:40px}
input[type=checkbox]{width:15px;height:15px;cursor:pointer;accent-color:var(--primary)}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.3px}
.badge-draft{background:#f1f5f9;color:#64748b}
.badge-sent{background:#dbeafe;color:#1d4ed8}
.badge-paid{background:#d1fae5;color:#065f46}
.badge-overdue{background:#fee2e2;color:#b91c1c}
.badge-partial{background:#fef3c7;color:#92400e}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:8px;font-size:13.5px;font-weight:600;cursor:pointer;border:none;transition:.2s;white-space:nowrap}
.btn:hover{opacity:.9;transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:5px 11px;font-size:12px}
.btn-icon{width:32px;height:32px;padding:0;justify-content:center}
.btn-whatsapp{background:#25D366;color:#fff}
.btn-email{background:#4285F4;color:#fff}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}

/* FORMS */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px}
.form-control,.form-select{border:1.5px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;outline:none;width:100%;transition:.2s;font-family:'Inter',sans-serif;background:#fff;color:var(--text)}
.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
textarea.form-control{resize:vertical;min-height:80px}

/* MODALS */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal-box{background:#fff;border-radius:16px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2);animation:slideUp .3s ease}
.modal-xl{max-width:950px}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:1}
.modal-header h2{font-size:17px;font-weight:700;display:flex;align-items:center;gap:8px}
.modal-body{padding:24px}
.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}
.modal-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--text-muted);width:32px;height:32px;border-radius:6px;display:grid;place-items:center}
.modal-close:hover{background:var(--bg);color:var(--danger)}

/* ITEMS TABLE IN FORM */
.items-table{width:100%;border-collapse:collapse;margin-top:8px}
.items-table th{background:var(--bg);padding:8px 10px;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase}
.items-table td{padding:6px 10px;border-top:1px solid var(--border)}
.items-table input,.items-table select{border:1.5px solid var(--border);border-radius:6px;padding:6px 8px;font-size:13px;width:100%;outline:none}
.items-table input:focus{border-color:var(--primary)}

/* INVOICE TEMPLATES */
.inv-modern,.inv-classic,.inv-minimal,.inv-bold{background:#fff;padding:40px;max-width:780px;margin:0 auto;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.1)}
.inv-modern .inv-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px}
.inv-modern .inv-brand{font-family:'Outfit',sans-serif;font-size:26px;font-weight:700;color:var(--primary)}
.inv-modern .inv-title{font-size:36px;font-weight:800;color:var(--primary);text-align:right}
.inv-modern .inv-meta{background:var(--primary);color:#fff;border-radius:12px;padding:20px 24px;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}
.inv-modern .inv-meta-item label{font-size:10px;opacity:.7;text-transform:uppercase;letter-spacing:.5px}
.inv-modern .inv-meta-item value{display:block;font-weight:700;font-size:14px;margin-top:2px}
.inv-table{width:100%;border-collapse:collapse;margin:20px 0}
.inv-table th{background:var(--bg);padding:10px 14px;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase}
.inv-table td{padding:12px 14px;border-top:1px solid var(--border);font-size:13.5px}
.inv-total-box{display:flex;justify-content:flex-end;margin-top:20px}
.inv-total-inner{min-width:260px}
.inv-total-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;border-top:1px solid var(--border)}
.inv-total-row.grand{font-size:18px;font-weight:800;color:var(--primary);border-top:2px solid var(--primary);margin-top:6px;padding-top:10px}

/* CLASSIC */
.inv-classic .inv-head{border-bottom:3px solid #1e293b;padding-bottom:20px;margin-bottom:24px;display:flex;justify-content:space-between}
.inv-classic .inv-brand{font-size:28px;font-weight:800;color:#1e293b}
.inv-classic .inv-title{font-size:14px;letter-spacing:3px;text-transform:uppercase;color:#64748b;margin-top:8px}

/* MINIMAL */
.inv-minimal .inv-head{margin-bottom:40px}
.inv-minimal .inv-brand{font-size:13px;letter-spacing:2px;text-transform:uppercase;color:#94a3b8;font-weight:600}
.inv-minimal .inv-title{font-size:48px;font-weight:800;color:#0f172a;margin-top:8px}
.inv-minimal .inv-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;border-top:1px solid #e2e8f0;padding-top:24px}

/* BOLD PRO */
.inv-bold .inv-head{background:linear-gradient(135deg,#1e1b4b,#4f46e5);color:#fff;padding:32px;border-radius:8px 8px 0 0;display:flex;justify-content:space-between;align-items:center;margin:-40px -40px 30px}
.inv-bold .inv-brand{color:#fff;font-size:22px;font-weight:800}
.inv-bold .inv-title{font-size:32px;font-weight:900;color:#c7d2fe;text-align:right}

/* TABS */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:24px}
.tab-btn{padding:10px 18px;background:none;border:none;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:.2s}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}

/* SEND FORM */
.tag-input-wrap{border:1.5px solid var(--border);border-radius:8px;padding:8px;display:flex;flex-wrap:wrap;gap:6px;min-height:44px;cursor:text}
.tag-input-wrap:focus-within{border-color:var(--primary)}
.email-tag{background:var(--primary-light);color:var(--primary-dark);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;display:flex;align-items:center;gap:6px}
.email-tag button{background:none;border:none;cursor:pointer;color:var(--primary-dark);font-size:13px;padding:0;line-height:1}
.tag-input{border:none;outline:none;font-size:13px;min-width:120px;flex:1}

/* TOAST */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{background:#1e293b;color:#fff;padding:12px 18px;border-radius:10px;font-size:13.5px;font-weight:500;display:flex;align-items:center;gap:10px;min-width:260px;animation:slideIn .3s ease;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.toast.success{background:var(--success)}
.toast.error{background:var(--danger)}
.toast.warning{background:var(--warning);color:#000}

/* EMPTY STATE */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state i{font-size:48px;margin-bottom:16px;opacity:.3}
.empty-state h3{font-size:17px;color:var(--text);margin-bottom:6px}

/* FILTER BAR */
.filter-bar{display:flex;gap:10px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.filter-bar .form-select,.filter-bar .form-control{min-width:150px;padding:8px 12px}

/* PROGRESS */
.progress-wrap{background:#e2e8f0;border-radius:10px;height:6px;overflow:hidden;margin-top:4px}
.progress-bar{height:100%;border-radius:10px;transition:.4s}

/* CHART AREA */
.chart-bars{display:flex;align-items:flex-end;gap:8px;height:120px;padding:0 4px}
.chart-bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.chart-bar{width:100%;background:var(--primary);border-radius:4px 4px 0 0;transition:.4s;opacity:.85}
.chart-bar:hover{opacity:1}
.chart-label{font-size:10px;color:var(--text-muted);white-space:nowrap}

@keyframes slideUp{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes slideIn{from{transform:translateX(60px);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
.spin{animation:spin 1s linear infinite}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-wrapper{margin-left:0}
  .menu-toggle{display:block}
  .stats-grid{grid-template-columns:1fr 1fr}
  .content{padding:16px}
  .form-grid,.form-grid-3{grid-template-columns:1fr}
}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}

/* SECTION DIVIDER */
.section-divider{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;margin:24px 0 12px;display:flex;align-items:center;gap:10px}
.section-divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* PAYMENT METHODS ICON */
.pay-method{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;background:var(--bg);border:1px solid var(--border);padding:4px 10px;border-radius:20px}

/* STATUS DOT */
.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:5px}
.dot-paid{background:var(--success)}
.dot-draft{background:#94a3b8}
.dot-sent{background:var(--info)}
.dot-overdue{background:var(--danger)}

/* USER DROPDOWN */
.topbar-right{position:relative}
.role-pill{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.3px}
.user-dropdown{position:absolute;top:calc(100% + 10px);right:0;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.15);min-width:220px;z-index:300;display:none;animation:slideUp .2s ease;overflow:hidden}
.user-dropdown.open{display:block}
.dd-item{display:flex;align-items:center;gap:10px;padding:11px 16px;font-size:13.5px;color:var(--text);text-decoration:none;transition:.15s}
.dd-item:hover{background:var(--bg)}
.dd-item i{width:16px;text-align:center;color:var(--text-muted)}
.dd-danger{color:var(--danger)!important}
.dd-danger i{color:var(--danger)!important}

/* DISABLED BUTTON */
button:disabled{opacity:.45;cursor:not-allowed;transform:none!important}

/* QUOTE ROW */
.quote-items-row td{padding:4px 6px}

/* ── BULK SEND ───────────────────────────────────────────────── */
/* Bulk button */
.btn-bulk{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;position:relative;overflow:hidden}
.btn-bulk::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,.0);transition:.2s}
.btn-bulk:hover::before{background:rgba(255,255,255,.08)}
.btn-bulk.has-selection{box-shadow:0 0 0 3px rgba(99,102,241,.35);animation:bulkPulse 2s ease infinite}
@keyframes bulkPulse{0%,100%{box-shadow:0 0 0 3px rgba(99,102,241,.35)} 50%{box-shadow:0 0 0 6px rgba(99,102,241,.15)}}

/* Count badge */
.bulk-count-badge{
  background:rgba(255,255,255,.25);color:#fff;border-radius:20px;
  padding:1px 8px;font-size:11px;font-weight:800;min-width:22px;
  text-align:center;transition:.2s;
}
.has-selection .bulk-count-badge{background:#fff;color:#4f46e5}

/* Step wizard */
.bulk-steps{
  display:flex;align-items:center;gap:0;margin-bottom:24px;
  background:var(--bg);border-radius:10px;padding:10px 12px;border:1px solid var(--border)
}
.bulk-step{
  flex:1;display:flex;align-items:center;gap:8px;font-size:12px;
  font-weight:600;color:var(--text-muted);position:relative
}
.bulk-step:not(:last-child)::after{
  content:'→';position:absolute;right:-6px;color:#cbd5e1;font-size:12px
}
.bulk-step span{
  width:24px;height:24px;border-radius:50%;background:#e2e8f0;color:var(--text-muted);
  display:grid;place-items:center;font-size:11px;font-weight:700;flex-shrink:0
}
.bulk-step.active{color:var(--primary)}
.bulk-step.active span{background:var(--primary);color:#fff}
.bulk-step.done{color:#10b981}
.bulk-step.done span{background:#10b981;color:#fff;font-size:10px}

/* Summary bar */
.bulk-summary-bar{
  display:flex;gap:20px;background:linear-gradient(135deg,#f0f4ff,#e8edff);
  border:1px solid #c7d2fe;border-radius:10px;padding:12px 18px;margin-bottom:20px
}
.bulk-sum-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}

/* Channel cards */
.channel-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-top:8px}
.channel-card{
  border:2px solid var(--border);border-radius:12px;padding:16px;
  cursor:pointer;transition:.2s;text-align:center
}
.channel-card:hover{border-color:var(--primary);background:#f8faff}
.channel-card.active{border-color:var(--primary);background:var(--primary-light)}
.channel-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;margin:0 auto 10px}
.channel-name{font-size:14px;font-weight:700;color:var(--text)}
.channel-desc{font-size:11px;color:var(--text-muted);margin-top:3px}

/* Preview table badges */
.bulk-badge-ok{
  display:inline-flex;align-items:center;gap:5px;background:#d1fae5;color:#065f46;
  padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;max-width:180px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.bulk-badge-no{
  display:inline-flex;align-items:center;gap:5px;background:#fee2e2;color:#b91c1c;
  padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600
}
tr.bulk-row-warn td{background:#fffbeb}

/* Sending progress */
.bulk-send-spinner{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,#6366f1,#4f46e5);
  display:grid;place-items:center;margin:0 auto;
  font-size:28px;color:#fff;
  animation:bulkBounce 1s ease infinite
}
@keyframes bulkBounce{0%,100%{transform:scale(1)} 50%{transform:scale(1.1)}}

.bulk-progress-bar-wrap{
  height:10px;background:#e2e8f0;border-radius:10px;overflow:hidden;margin-top:14px
}
.bulk-progress-bar-fill{
  height:100%;background:linear-gradient(90deg,#6366f1,#10b981);
  border-radius:10px;transition:width .4s ease
}

/* Log feed */
.bulk-log{
  display:flex;flex-direction:column;gap:6px;margin-top:14px;
  max-height:220px;overflow-y:auto;padding-right:4px
}
.bulk-log-row{
  display:flex;align-items:center;gap:10px;padding:8px 12px;
  background:var(--bg);border-radius:8px;font-size:12.5px;border:1px solid var(--border)
}
.bulk-log-row.success{border-color:#a7f3d0;background:#f0fdf4}
.bulk-log-row.skipped{border-color:#fde68a;background:#fffbeb}

/* Result stats */
.bulk-result-icon{font-size:48px;line-height:1}
.bulk-result-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px
}
.bulk-stat-box{
  text-align:center;padding:16px;border-radius:12px;
  background:var(--bg);border:1.5px solid var(--bc);
}
.bulk-stat-box .bsb-icon{
  width:40px;height:40px;border-radius:10px;background:var(--bg);
  display:grid;place-items:center;margin:0 auto 10px;
  color:var(--bc);font-size:18px;background:var(--bg)
}
.bulk-stat-box .bsb-num{font-size:28px;font-weight:900;color:var(--bc)}
.bulk-stat-box .bsb-lbl{font-size:11px;color:var(--text-muted);font-weight:600;margin-top:4px}