:root{--bg:#0f0f1a;--surface:#16162a;--surface2:#1e1e35;--accent:#6366f1;--accent2:#8b5cf6;--accent3:#06b6d4;--text:#e2e8f0;--text2:#94a3b8;--border:#2d2d50;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--glass:rgba(99,102,241,0.08);--sidebar-w:260px;--topbar-h:70px}
[data-theme=light]{--bg:#f1f5f9;--surface:#fff;--surface2:#f8fafc;--text:#1e293b;--text2:#64748b;--border:#e2e8f0;--glass:rgba(99,102,241,0.05)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{text-decoration:none;color:inherit}
.layout{display:flex;min-height:100vh}

/* SIDEBAR */
.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);position:fixed;top:0;left:0;height:100vh;display:flex;flex-direction:column;z-index:200;transition:transform .3s,width .3s}
.sidebar.collapsed{width:70px}
.sidebar-brand{padding:20px 16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border)}
.sidebar-brand .logo{width:42px;height:42px;min-width:42px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff}
.sidebar-brand .brand-text{font-size:18px;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;overflow:hidden}
.sidebar.collapsed .brand-text{display:none}
.sidebar-nav{flex:1;overflow-y:auto;padding:12px 8px}
.nav-section{font-size:10px;font-weight:700;letter-spacing:1px;color:var(--text2);padding:12px 8px 4px;text-transform:uppercase}
.sidebar.collapsed .nav-section{display:none}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:10px;cursor:pointer;transition:all .25s;color:var(--text2);font-size:14px;font-weight:500;position:relative;margin-bottom:2px;white-space:nowrap}
.nav-item:hover{background:var(--glass);color:var(--text)}
.nav-item.active{background:linear-gradient(135deg,rgba(99,102,241,.2),rgba(139,92,246,.2));color:var(--accent);font-weight:600}
.nav-item.active::before{content:'';position:absolute;left:0;top:20%;height:60%;width:3px;background:linear-gradient(var(--accent),var(--accent2));border-radius:0 3px 3px 0}
.nav-item i{font-size:16px;min-width:20px;text-align:center}
.nav-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px}
.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-badge{display:none}
.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}

/* TOPBAR */
.topbar{position:fixed;top:0;left:var(--sidebar-w);right:0;height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;z-index:150;transition:left .3s}
.sidebar.collapsed~.main-content .topbar{left:70px}
.topbar-search{flex:1;max-width:380px;position:relative}
.topbar-search input{width:100%;padding:10px 16px 10px 42px;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;outline:none;transition:all .3s;font-family:'Inter',sans-serif}
.topbar-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.topbar-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text2)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:10px;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text2);font-size:16px;transition:all .3s;position:relative}
.icon-btn:hover{background:var(--glass);border-color:var(--accent);color:var(--accent)}
.notif-dot{position:absolute;top:7px;right:7px;width:8px;height:8px;background:var(--danger);border-radius:50%;border:2px solid var(--surface)}
.avatar-btn{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700;color:#fff;font-size:15px}
.dropdown-menu{position:absolute;top:calc(100% + 10px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:14px;min-width:200px;box-shadow:0 20px 60px rgba(0,0,0,.3);z-index:500;overflow:hidden;display:none}
.dropdown-menu.open{display:block;animation:fadeDown .2s ease}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.dropdown-item{display:flex;align-items:center;gap:10px;padding:11px 16px;font-size:14px;color:var(--text2);cursor:pointer;transition:background .2s}
.dropdown-item:hover{background:var(--glass);color:var(--text)}
.dropdown-item.danger:hover{background:rgba(239,68,68,.1);color:var(--danger)}
.dropdown-divider{height:1px;background:var(--border);margin:4px 0}

/* MAIN CONTENT */
.main-content{flex:1;width:calc(100% - var(--sidebar-w));margin-left:var(--sidebar-w);padding-top:var(--topbar-h);min-height:100vh;transition:margin-left .3s,width .3s}
.sidebar.collapsed~.main-content{margin-left:70px}
.page-content{padding:28px 28px}

/* CARDS */
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;transition:all .3s}
.card:hover{border-color:rgba(99,102,241,.3);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.glass-card{background:var(--glass);backdrop-filter:blur(20px);border:1px solid rgba(99,102,241,.2);border-radius:16px;padding:24px}

/* STAT CARDS */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:28px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;position:relative;overflow:hidden;transition:all .3s;cursor:default}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,.2);border-color:rgba(99,102,241,.3)}
.stat-card::before{content:'';position:absolute;top:0;right:0;width:100px;height:100px;border-radius:50%;filter:blur(40px);opacity:.3}
.stat-card.indigo::before{background:var(--accent)}
.stat-card.purple::before{background:var(--accent2)}
.stat-card.cyan::before{background:var(--accent3)}
.stat-card.green::before{background:var(--success)}
.stat-card.red::before{background:var(--danger)}
.stat-card.yellow::before{background:var(--warning)}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.stat-icon.indigo{background:rgba(99,102,241,.15);color:var(--accent)}
.stat-icon.purple{background:rgba(139,92,246,.15);color:var(--accent2)}
.stat-icon.cyan{background:rgba(6,182,212,.15);color:var(--accent3)}
.stat-icon.green{background:rgba(16,185,129,.15);color:var(--success)}
.stat-icon.red{background:rgba(239,68,68,.15);color:var(--danger)}
.stat-icon.yellow{background:rgba(245,158,11,.15);color:var(--warning)}
.stat-value{font-size:32px;font-weight:800;line-height:1;margin-bottom:6px}
.stat-label{font-size:13px;color:var(--text2);font-weight:500}
.stat-change{font-size:12px;font-weight:600;margin-top:10px;display:flex;align-items:center;gap:4px}
.stat-change.up{color:var(--success)}.stat-change.down{color:var(--danger)}

/* TABLES */
.table-wrap{overflow-x:auto;border-radius:12px}
table{width:100%;border-collapse:collapse}
thead tr{border-bottom:1px solid var(--border)}
th{padding:12px 16px;text-align:left;font-size:12px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.5px}
td{padding:14px 16px;font-size:14px;border-bottom:1px solid rgba(99,102,241,.05)}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--glass)}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700}
.badge-success{background:rgba(16,185,129,.15);color:var(--success)}
.badge-danger{background:rgba(239,68,68,.15);color:var(--danger)}
.badge-warning{background:rgba(245,158,11,.15);color:var(--warning)}
.badge-info{background:rgba(6,182,212,.15);color:var(--accent3)}
.badge-purple{background:rgba(139,92,246,.15);color:var(--accent2)}
.badge-indigo{background:rgba(99,102,241,.15);color:var(--accent)}
.badge-gray{background:rgba(148,163,184,.15);color:var(--text2)}

/* PROGRESS */
.progress{height:6px;background:var(--border);border-radius:10px;overflow:hidden;margin-top:4px}
.progress-bar{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .8s ease}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .25s;border:none;font-family:'Inter',sans-serif}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.4)}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text2)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--glass)}
.btn-danger{background:rgba(239,68,68,.15);color:var(--danger);border:1px solid rgba(239,68,68,.2)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-sm{padding:7px 13px;font-size:13px}
.btn-xs{padding:5px 10px;font-size:12px}

/* FORM */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text2);margin-bottom:7px;text-transform:uppercase;letter-spacing:.4px}
.form-control{width:100%;padding:11px 14px;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;font-family:'Inter',sans-serif;outline:none;transition:all .3s}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.12)}
select.form-control option{background:var(--surface)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:900;display:none;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:20px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 30px 100px rgba(0,0,0,.4);animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:22px 24px 0}
.modal-title{font-size:18px;font-weight:700}
.modal-close{width:32px;height:32px;border-radius:8px;background:var(--surface2);border:1px solid var(--border);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text2);font-size:14px;transition:all .2s}
.modal-close:hover{background:var(--danger);border-color:var(--danger);color:#fff}
.modal-body{padding:20px 24px}
.modal-footer{padding:0 24px 22px;display:flex;justify-content:flex-end;gap:10px}

/* PAGE HEADER */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-title{font-size:24px;font-weight:800}
.page-subtitle{font-size:14px;color:var(--text2);margin-top:3px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2);margin-bottom:6px}
.breadcrumb span{color:var(--accent)}

/* KANBAN */
.kanban-board{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.kanban-col{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px;min-height:300px}
.kanban-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.kanban-title{font-size:14px;font-weight:700}
.kanban-count{width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.task-card{background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:14px;margin-bottom:10px;cursor:grab;transition:all .2s}
.task-card:hover{border-color:rgba(99,102,241,.4);transform:translateY(-1px);box-shadow:0 4px 15px rgba(0,0,0,.15)}
.task-card:active{cursor:grabbing}
.task-card-title{font-size:14px;font-weight:600;margin-bottom:8px}
.task-card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.task-avatar{width:24px;height:24px;border-radius:6px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff}

/* AVATAR */
.avatar{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:14px;flex-shrink:0}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:10px}
.avatar-lg{width:72px;height:72px;font-size:26px;border-radius:16px}
.avatar-xl{width:100px;height:100px;font-size:36px;border-radius:20px}

/* NOTIFICATIONS */
.notif-panel{position:absolute;top:calc(100% + 10px);right:0;width:360px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);z-index:500;display:none;overflow:hidden}
.notif-panel.open{display:block;animation:fadeDown .2s ease}
.notif-header{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.notif-header h4{font-size:15px;font-weight:700}
.notif-item{display:flex;align-items:flex-start;gap:12px;padding:13px 18px;border-bottom:1px solid rgba(99,102,241,.05);cursor:pointer;transition:background .2s}
.notif-item:hover{background:var(--glass)}
.notif-item.unread{background:rgba(99,102,241,.04)}
.notif-dot-small{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:6px}
.notif-text{font-size:13px;color:var(--text);line-height:1.5}
.notif-time{font-size:11px;color:var(--text2);margin-top:3px}

/* CHART CONTAINERS */
.chart-wrap{position:relative;height:280px}

/* PROFILE CARD */
.profile-card{background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(139,92,246,.1));border:1px solid rgba(99,102,241,.25);border-radius:20px;padding:28px;display:flex;align-items:center;gap:24px;margin-bottom:24px}

/* TABS */
.tabs{display:flex;gap:4px;background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:4px;margin-bottom:24px;overflow-x:auto}
.tab-btn{padding:9px 18px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;border:none;background:none;color:var(--text2);font-family:'Inter',sans-serif;transition:all .25s;white-space:nowrap}
.tab-btn.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 4px 12px rgba(99,102,241,.35)}

/* CALENDAR */
#calendar{background:var(--surface);border-radius:16px;border:1px solid var(--border);overflow:hidden}
.fc{color:var(--text)}
.fc .fc-toolbar-title{font-size:18px;font-weight:700;color:var(--text)}
.fc .fc-button-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;border-radius:8px}
.fc .fc-daygrid-day:hover{background:var(--glass)}
.fc .fc-day-today{background:rgba(99,102,241,.08)!important}

/* SEARCH BAR */
.search-filter{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap;align-items:center}
.search-input-wrap{position:relative;flex:1;min-width:200px}
.search-input-wrap i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text2)}
.search-input-wrap input{width:100%;padding:10px 14px 10px 38px;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;outline:none;font-family:'Inter',sans-serif;transition:all .3s}
.search-input-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.1)}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.mobile-open{transform:translateX(0)}
  .main-content{margin-left:0}
  .topbar{left:0}
  .page-content{padding:16px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .kanban-board{grid-template-columns:1fr}
}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}

/* ANIMATIONS */
@keyframes countUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.count-animate{animation:countUp .6s ease forwards}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.pulse{animation:pulse 2s ease infinite}
.spinner{display:inline-block;width:18px;height:18px;border:2px solid rgba(99,102,241,.3);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* SCROLLBAR */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}