/* VyaparTrack - Main Stylesheet */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-muted: #bfdbfe;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1),0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07),0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1),0 4px 6px rgba(0,0,0,0.05);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --nav-h: 64px;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #334155;
  --border: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --primary-light: #1e3a5f;
  --primary-muted: #1e40af;
  --success-light: #14532d;
  --danger-light: #450a0a;
  --warning-light: #451a03;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 1px 3px rgba(0,0,0,0.4),0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.4),0 2px 4px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5),0 4px 6px rgba(0,0,0,0.3);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{font-size:16px;scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .2s,color .2s;}

/* ── Typography ── */
h1{font-size:1.75rem;font-weight:700;line-height:1.2;}
h2{font-size:1.375rem;font-weight:600;}
h3{font-size:1.1rem;font-weight:600;}
p{color:var(--text-muted);}
a{color:var(--primary);text-decoration:none;}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;cursor:pointer;border:none;transition:all .15s;text-decoration:none;white-space:nowrap;min-height:42px;}
.btn:disabled{opacity:.6;cursor:not-allowed;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover:not(:disabled){background:var(--primary-dark);}
.btn-success{background:var(--success);color:#fff;}
.btn-success:hover:not(:disabled){background:#15803d;}
.btn-danger{background:var(--danger);color:#fff;}
.btn-danger:hover:not(:disabled){background:#b91c1c;}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text);}
.btn-outline:hover:not(:disabled){background:var(--surface-2);}
.btn-ghost{background:transparent;color:var(--text-muted);padding:8px 12px;}
.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text);}
.btn-sm{padding:6px 12px;font-size:.8rem;min-height:32px;}
.btn-lg{padding:13px 26px;font-size:1rem;min-height:50px;}
.btn-full{width:100%;}
.btn-whatsapp{background:#25d366;color:#fff;}
.btn-whatsapp:hover:not(:disabled){background:#1ebe5d;}

/* ── Forms ── */
.form-group{margin-bottom:16px;}
.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--text);margin-bottom:6px;}
.form-label .req{color:var(--danger);margin-left:2px;}
.form-control{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:.9rem;transition:border-color .15s,box-shadow .15s;min-height:42px;}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1);}
.form-control::placeholder{color:var(--text-light);}
select.form-control{cursor:pointer;}
textarea.form-control{resize:vertical;min-height:80px;}
.form-hint{font-size:.78rem;color:var(--text-muted);margin-top:4px;}
.form-error{font-size:.78rem;color:var(--danger);margin-top:4px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

/* ── Cards ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}

/* ── Stat cards ── */
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);}
.stat-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:12px;}
.stat-value{font-size:1.75rem;font-weight:700;color:var(--text);line-height:1;}
.stat-label{font-size:.8rem;color:var(--text-muted);margin-top:4px;}

/* ── Table ── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);}
table{width:100%;border-collapse:collapse;font-size:.875rem;}
thead th{background:var(--surface-2);padding:11px 16px;text-align:left;font-weight:600;font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;}
tbody td{padding:13px 16px;border-top:1px solid var(--border);color:var(--text);vertical-align:middle;}
tbody tr:hover{background:var(--surface-2);}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:.73rem;font-weight:600;}
.badge-success{background:var(--success-light);color:var(--success);}
.badge-warning{background:var(--warning-light);color:var(--warning);}
.badge-danger{background:var(--danger-light);color:var(--danger);}
.badge-primary{background:var(--primary-light);color:var(--primary);}
.badge-gray{background:var(--surface-2);color:var(--text-muted);}

/* ── Alerts ── */
.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:.875rem;display:flex;align-items:flex-start;gap:10px;margin-bottom:16px;}
.alert-success{background:var(--success-light);color:var(--success);border:1px solid #bbf7d0;}
.alert-danger{background:var(--danger-light);color:var(--danger);border:1px solid #fecaca;}
.alert-warning{background:var(--warning-light);color:var(--warning);border:1px solid #fde68a;}
.alert-info{background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-muted);}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:opacity .2s;}
.modal-overlay.open{opacity:1;pointer-events:all;}
.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:translateY(12px);transition:transform .2s;}
.modal-overlay.open .modal{transform:translateY(0);}
.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.modal-body{padding:20px 24px;}
.modal-footer{padding:16px 24px 20px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;}

/* ── Toast ── */
#toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px;}
.toast{background:var(--gray-800,#1e293b);color:#fff;padding:12px 18px;border-radius:var(--radius-sm);font-size:.875rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;min-width:260px;max-width:360px;animation:toastIn .2s ease;}
.toast.success{background:#16a34a;}
.toast.error{background:#dc2626;}
.toast.warning{background:#d97706;}
@keyframes toastIn{from{transform:translateX(100%);opacity:0;}to{transform:translateX(0);opacity:1;}}

/* ── Spinner ── */
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ── Divider ── */
.divider{display:flex;align-items:center;gap:12px;color:var(--text-muted);font-size:.8rem;margin:16px 0;}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border);}

/* ── Tabs ── */
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:20px;}
.tab-btn{padding:10px 18px;border:none;background:none;color:var(--text-muted);font-size:.875rem;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s;}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);}
.tab-btn:hover:not(.active){color:var(--text);}

/* ── Progress ── */
.progress-bar{height:8px;background:var(--surface-2);border-radius:4px;overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .4s ease;}

/* ── Pagination ── */
.pagination{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:.85rem;color:var(--text-muted);}
.pagination-btns{display:flex;gap:4px;}

/* ── Empty state ── */
.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted);}
.empty-icon{font-size:3rem;margin-bottom:12px;opacity:.4;}
.empty-state h3{color:var(--text);margin-bottom:6px;}

/* ── Offline banner ── */
#offline-banner{background:var(--warning);color:#fff;text-align:center;padding:8px 16px;font-size:.85rem;font-weight:500;display:none;}

/* ── Chart ── */
.chart-wrap{position:relative;height:220px;}

/* ── Detail grid ── */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;}
.detail-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px;}
.detail-value{font-size:.95rem;color:var(--text);font-weight:500;}

/* ── Sync dot ── */
.sync-dot{width:8px;height:8px;border-radius:50%;background:var(--success);display:inline-block;}
.sync-dot.pending{background:var(--warning);animation:pulse 1.5s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}

/* ── Grids ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:24px;}
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px;}

/* ── App layout ── */
.app-layout{display:flex;min-height:100vh;}
.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .25s ease;}
.sidebar-logo{padding:18px 20px 14px;border-bottom:1px solid var(--border);}
.sidebar-logo img{height:34px;width:auto;}
.sidebar-nav{flex:1;padding:10px 0;overflow-y:auto;}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 20px;color:var(--text-muted);text-decoration:none;font-size:.88rem;font-weight:500;transition:background .15s,color .15s;cursor:pointer;border:none;background:none;width:100%;text-align:left;}
.nav-item:hover{background:var(--surface-2);color:var(--text);}
.nav-item.active{background:var(--primary-light);color:var(--primary);}
.nav-icon{font-size:1rem;width:20px;text-align:center;}
.sidebar-footer{padding:10px 0;border-top:1px solid var(--border);}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:99;}
.main-content{flex:1;margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}
.topbar{height:var(--nav-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50;}
.topbar-left{display:flex;align-items:center;gap:12px;}
.topbar-right{display:flex;align-items:center;gap:10px;}
.page-content{flex:1;padding:24px;max-width:1200px;width:100%;margin:0 auto;}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none;}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;}

/* ── Theme toggle ── */
.theme-toggle{background:var(--surface-2);border:1px solid var(--border);border-radius:20px;padding:3px;cursor:pointer;display:flex;align-items:center;}
.theme-btn{padding:4px 8px;border-radius:16px;border:none;background:none;cursor:pointer;font-size:.82rem;color:var(--text-muted);transition:all .15s;}
.theme-btn.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm);}

/* ── Auth pages ── */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg);}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;width:100%;max-width:420px;box-shadow:var(--shadow-md);}
.auth-logo{text-align:center;margin-bottom:24px;}
.auth-logo img{height:40px;}
.social-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:.9rem;font-weight:500;cursor:pointer;transition:background .15s;margin-bottom:10px;}
.social-btn:hover{background:var(--surface-2);}
.social-btn img{width:18px;height:18px;}

/* ── Invoice ── */
.invoice-wrap{background:#fff;color:#000;max-width:700px;margin:0 auto;padding:32px;border:1px solid #e5e7eb;border-radius:var(--radius);}
@media print{
  .no-print{display:none!important;}
  body{background:#fff!important;}
  .sidebar,.topbar{display:none!important;}
  .main-content{margin-left:0!important;}
  .page-content{padding:0!important;}
  .invoice-wrap{border:none;padding:0;max-width:100%;}
}

/* ── Landing page ── */
.landing-nav{position:sticky;top:0;z-index:100;background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;}
.landing-nav-logo img{height:32px;}
.landing-nav-right{display:flex;align-items:center;gap:12px;}

.hero{padding:80px 24px 64px;text-align:center;background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 60%);}
.hero h1{font-size:2.5rem;font-weight:800;margin-bottom:16px;line-height:1.15;}
.hero h1 span{color:var(--primary);}
.hero p{font-size:1.1rem;max-width:520px;margin:0 auto 32px;}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

.section{padding:64px 24px;}
.section-inner{max-width:1100px;margin:0 auto;}
.section-title{text-align:center;margin-bottom:8px;font-size:1.75rem;font-weight:700;}
.section-sub{text-align:center;color:var(--text-muted);margin-bottom:48px;font-size:1rem;}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);}
.feature-icon{font-size:2rem;margin-bottom:12px;}
.feature-card h3{margin-bottom:6px;}

.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.why-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.why-list li{display:flex;align-items:flex-start;gap:12px;font-size:.95rem;}
.why-check{color:var(--success);font-size:1.1rem;margin-top:1px;flex-shrink:0;}

.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;}
.pricing-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;transition:border-color .2s,box-shadow .2s;}
.pricing-card.featured{border-color:var(--primary);box-shadow:var(--shadow-md);}
.pricing-card .plan-name{font-weight:700;font-size:1rem;margin-bottom:4px;}
.pricing-card .plan-users{font-size:1.5rem;font-weight:800;color:var(--primary);margin:12px 0 4px;}
.pricing-card .plan-label{font-size:.8rem;color:var(--text-muted);}

.contact-section{background:var(--surface-2);}
.contact-inner{max-width:560px;margin:0 auto;text-align:center;}
.contact-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px;}

.landing-footer{background:var(--surface);border-top:1px solid var(--border);padding:24px;text-align:center;font-size:.85rem;color:var(--text-muted);}

/* ── Responsive ── */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  .sidebar-overlay.open{display:block;}
  .main-content{margin-left:0;}
  .hamburger{display:flex;}
  .page-content{padding:16px;}
  .form-row{grid-template-columns:1fr;}
  h1{font-size:1.4rem;}
  .topbar{padding:0 16px;}
  #toast-container{bottom:16px;right:16px;left:16px;}
  .toast{min-width:unset;}
  .charts-grid{grid-template-columns:1fr;}
  .detail-grid{grid-template-columns:1fr;}
  .hero h1{font-size:1.75rem;}
  .why-grid{grid-template-columns:1fr;}
  .why-img{display:none;}
  .landing-nav{padding:0 16px;}
}
@media(max-width:480px){
  .auth-card{padding:28px 20px;}
  .stat-value{font-size:1.4rem;}
  .pricing-grid{grid-template-columns:1fr 1fr;}
}