/* AppStudio v1.1 — Full Responsive */
:root {
  --primary:#0077B6;--primary-dark:#005A8E;--primary-light:#00B4D8;--primary-ultra:#E8F4FD;
  --secondary:#0D2B5E;--accent:#06D6A0;
  --bg:#F8FAFC;--surface:#FFFFFF;--surface-2:#F1F5F9;--surface-3:#E2E8F0;
  --border:#E2E8F0;--text:#1E293B;--text-2:#64748B;--text-3:#94A3B8;
  --success:#10B981;--warning:#F59E0B;--danger:#EF4444;--info:#0077B6;
  --radius:10px;--radius-lg:16px;--radius-xl:24px;
  --shadow-sm:0 1px 3px rgba(13,43,94,.06);--shadow-md:0 4px 12px rgba(13,43,94,.08);--shadow-lg:0 8px 24px rgba(0,119,182,.12);
  --sidebar-w:240px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;overflow-x:hidden}
a{text-decoration:none;color:inherit}

/* ── LAYOUT ── */
.app-layout{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);background:var(--secondary);
  position:fixed;top:0;left:0;bottom:0;
  display:flex;flex-direction:column;z-index:200;
  transition:transform .25s ease;overflow:hidden;
}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:199}
.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;transition:margin .25s}

/* ── SIDEBAR ── */
.sidebar-logo{padding:20px 16px 14px;border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0}
.app-badge{background:var(--primary);color:#fff;font-size:9px;font-weight:700;padding:2px 8px;border-radius:20px;letter-spacing:1.5px}
.sidebar-company{padding:10px 12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);margin:8px 12px 4px}
.company-name{color:#fff;font-weight:700;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.company-plan{font-size:11px;color:rgba(255,255,255,.45);margin-top:2px}
.sidebar-nav{flex:1;overflow-y:auto;padding:4px 0;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}
.sidebar-nav::-webkit-scrollbar{width:3px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px}
.nav-section{padding:12px 12px 4px}
.nav-section-title{color:rgba(255,255,255,.3);font-size:9px;font-weight:700;letter-spacing:1.5px;padding:0 8px;margin-bottom:4px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);color:rgba(255,255,255,.6);font-size:13px;font-weight:500;transition:all .15s;cursor:pointer;border:none;background:none;width:100%;text-align:left}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--primary);color:#fff;font-weight:700}
.nav-icon{font-size:15px;width:20px;text-align:center;flex-shrink:0}
.sidebar-bottom{padding:12px;border-top:1px solid rgba(255,255,255,.08);flex-shrink:0}

/* ── TOPBAR ── */
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}
.topbar-left{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;border:none;background:none;font-size:22px;cursor:pointer;padding:4px;color:var(--text);line-height:1}
.topbar-title{font-size:17px;font-weight:700;color:var(--text)}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-company{display:flex;align-items:center;gap:6px;padding:4px 12px;background:var(--surface-2);border-radius:var(--radius);border:1px solid var(--border)}
.topbar-user{display:flex;align-items:center;gap:8px;padding:5px 12px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--border)}
.topbar-avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex-shrink:0}
.topbar-name{font-size:13px;font-weight:600;white-space:nowrap}

/* ── PAGE ── */
.page{padding:20px;max-width:1400px}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.page-title{font-size:20px;font-weight:700}
.page-sub{font-size:12px;color:var(--text-2);margin-top:3px}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ── CARDS ── */
.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card-title{font-size:14px;font-weight:700}
.card-body{padding:18px}

/* ── STATS ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.stat-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);padding:18px;border-left:4px solid var(--primary);box-shadow:var(--shadow-sm)}
.stat-value{font-size:28px;font-weight:800;color:var(--primary);line-height:1}
.stat-label{font-size:11px;color:var(--text-2);margin-top:6px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .15s;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-outline:hover{background:var(--surface-2)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-lg{padding:12px 24px;font-size:15px}
.btn-block{width:100%}

/* ── TABLE ── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:500px}
thead th{padding:11px 14px;text-align:left;font-size:11px;font-weight:700;color:var(--text-2);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border);background:var(--surface-2);white-space:nowrap}
tbody td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
tbody tr:hover{background:var(--primary-ultra)}
tbody tr:last-child td{border-bottom:none}

/* ── BADGES ── */
.badge{display:inline-flex;align-items:center;gap:3px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;white-space:nowrap}
.badge-success{background:#D1FAE5;color:#065F46}
.badge-danger{background:#FEE2E2;color:#991B1B}
.badge-warning{background:#FEF3C7;color:#92400E}
.badge-info{background:var(--primary-ultra);color:var(--primary-dark)}
.badge-gray{background:var(--surface-2);color:var(--text-2)}
.badge-purple{background:#EDE9FE;color:#5B21B6}

/* ── FORMS ── */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:10px;font-weight:700;color:var(--primary);letter-spacing:1.5px;margin-bottom:7px;text-transform:uppercase}
.form-control{width:100%;padding:9px 13px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;color:var(--text);background:var(--surface);transition:border-color .15s;outline:none;font-family:inherit}
.form-control:focus{border-color:var(--primary);background:var(--primary-ultra)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.form-hint{font-size:11px;color:var(--text-3);margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}

/* ── MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:300;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;visibility:hidden;transition:all .2s}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:580px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:transform .2s}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--surface);z-index:1}
.modal-title{font-size:17px;font-weight:700}
.modal-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--surface-2);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.modal-body{padding:22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}

/* ── ALERTS ── */
.alert{padding:11px 14px;border-radius:var(--radius);margin-bottom:14px;font-size:13px;display:flex;align-items:flex-start;gap:8px;line-height:1.5}
.alert-success{background:#D1FAE5;color:#065F46;border:1px solid #A7F3D0}
.alert-danger{background:#FEE2E2;color:#991B1B;border:1px solid #FCA5A5}
.alert-warning{background:#FEF3C7;color:#92400E;border:1px solid #FCD34D}
.alert-info{background:var(--primary-ultra);color:var(--primary-dark);border:1px solid #BAE6FD}

/* ── TABS ── */
.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:18px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab-btn{padding:9px 18px;border:none;background:none;cursor:pointer;font-size:13px;font-weight:500;color:var(--text-2);border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .15s;white-space:nowrap;flex-shrink:0}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:700}
.tab-content{display:none}.tab-content.active{display:block}

/* ── UPLOAD ── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center;cursor:pointer;transition:all .2s;background:var(--surface-2)}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:var(--primary-ultra)}
.upload-icon{font-size:36px;margin-bottom:10px}
.upload-text{font-size:14px;font-weight:600}
.upload-hint{font-size:12px;color:var(--text-3);margin-top:4px}

/* ── STATUS ── */
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px;flex-shrink:0}
.status-active{background:var(--success)}
.status-inactive{background:var(--danger)}
.status-trial{background:var(--warning)}

/* ── LOGIN ── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--secondary) 0%,#1a4a7a 100%);padding:20px}
.login-card{background:var(--surface);border-radius:var(--radius-lg);padding:36px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}

/* ── GRID HELPERS ── */
.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:repeat(4,1fr);gap:16px}
.flex{display:flex}.flex-center{align-items:center}.flex-between{justify-content:space-between}.flex-wrap{flex-wrap:wrap}.gap-8{gap:8px}.gap-12{gap:12px}

/* ── TOAST ── */
.toast-container{position:fixed;top:16px;right:16px;z-index:1000;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:12px 16px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:10px;min-width:260px;max-width:360px;pointer-events:all;animation:slideIn .3s ease}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ── EMPTY STATE ── */
.empty-state{text-align:center;padding:48px 20px}
.empty-icon{font-size:44px;margin-bottom:12px}
.empty-title{font-size:16px;font-weight:700;margin-bottom:6px}
.empty-sub{font-size:13px;color:var(--text-2)}

/* ── PROGRESS ── */
.progress{height:6px;background:var(--surface-2);border-radius:3px;overflow:hidden}
.progress-bar{height:100%;background:var(--primary);border-radius:3px;transition:width .3s}

/* ── SEARCH ── */
.search-bar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.search-input{flex:1;min-width:160px;padding:9px 13px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;font-family:inherit}
.search-input:focus{border-color:var(--primary)}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.open{display:block}
  .main-content{margin-left:0}
  .menu-btn{display:flex}
  .topbar-company{display:none}
  .topbar-name{display:none}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .page{padding:12px}
  .stats-grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .topbar{padding:0 12px;height:52px}
  .topbar-title{font-size:15px}
  .modal{max-height:95vh}
  .page-header{flex-direction:column}
  .page-actions{width:100%}
  .btn{font-size:12px;padding:7px 12px}
}
@media(min-width:901px){.menu-btn{display:none}}