*{margin:0;padding:0;box-sizing:border-box}
:root{
    --bg:#f5f6f8;--white:#fff;--text:#1a1d26;--text2:#6b7280;--text3:#9ca3af;
    --border:#e5e7eb;--border2:#eff0f3;--accent:#6366f1;--accent-light:#eef2ff;
    --shadow-sm:0 1px 2px rgba(0,0,0,.04);
    --shadow:0 2px 8px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
    --shadow-md:0 4px 16px rgba(0,0,0,.08),0 2px 4px rgba(0,0,0,.04);
    --shadow-lg:0 12px 36px rgba(0,0,0,.1),0 4px 12px rgba(0,0,0,.06);
    --shadow-col:0 2px 12px rgba(0,0,0,.06),0 4px 24px rgba(0,0,0,.04);
    --r:12px;--r-sm:8px;--r-xs:6px;--sidebar-w:260px;
}
body{font-family:'DM Sans',-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}

/* ═══ BUTTONS ═══ */
.btn{padding:10px 20px;border:none;border-radius:var(--r-sm);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#4f46e5;transform:translateY(-1px);box-shadow:0 4px 14px rgba(99,102,241,.35)}
.btn-danger{background:#fef2f2;color:#ef4444;border:1px solid #fecaca}
.btn-danger:hover{background:#ef4444;color:#fff}
.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid var(--border)}
.btn-ghost:hover{background:var(--bg);border-color:#bbb}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-xs{padding:4px 8px;font-size:11px;border-radius:var(--r-xs)}
.btn-full{width:100%;justify-content:center}

/* ═══ FORMS ═══ */
.fg{margin-bottom:16px}
.fg label{display:block;font-size:12.5px;font-weight:500;color:var(--text2);margin-bottom:5px}
.fg input,.fg select,.fg textarea{width:100%;padding:9px 13px;border:1.5px solid var(--border);border-radius:var(--r-sm);font-size:13.5px;font-family:inherit;color:var(--text);background:var(--white);outline:none;transition:border .2s,box-shadow .2s}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.fg textarea{resize:vertical;min-height:52px}
.err{color:#ef4444;font-size:13px;margin-top:6px}

/* ═══ LOGIN ═══ */
#login-screen{display:none;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#f8fafc 0%,#eef2ff 50%,#fdf4ff 100%)}
.login-box{background:var(--white);border-radius:20px;padding:44px 42px;width:100%;max-width:390px;box-shadow:var(--shadow-lg);border:1px solid var(--border2)}
.login-box .logo{font-size:26px;font-weight:700;margin-bottom:3px;display:flex;align-items:center;gap:10px;letter-spacing:-.4px}
.login-box .logo-icon{width:34px;height:34px;background:var(--accent);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800}
.login-box .subtitle{color:var(--text2);font-size:13.5px;margin-bottom:28px}

/* ═══ LAYOUT ═══ */
#app-screen{display:none;min-height:100vh}
#app-screen.active{display:flex}

/* ═══ SIDEBAR ═══ */
.sidebar{width:var(--sidebar-w);background:var(--white);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50;box-shadow:1px 0 8px rgba(0,0,0,.03)}
.brand{padding:18px 20px;display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.3px;border-bottom:1px solid var(--border2)}
.brand-icon{width:30px;height:30px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:800}
#sidebar-nav{flex:1;overflow-y:auto;padding:14px 10px}
.nav-label{font-size:10.5px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.9px;padding:10px 12px 4px}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 12px;border-radius:var(--r-sm);font-size:13.5px;cursor:pointer;transition:all .12s;color:var(--text2);font-weight:500;position:relative;margin-bottom:2px}
.nav-item:hover{background:var(--bg);color:var(--text)}
.nav-item.active{background:var(--accent-light);color:var(--accent);font-weight:600}
.proj-icon{font-size:15px;flex-shrink:0;width:20px;text-align:center}
.proj-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.del-proj{position:absolute;right:6px;top:50%;transform:translateY(-50%);opacity:0;background:none;border:none;color:#ef4444;cursor:pointer;font-size:16px;padding:1px 5px;border-radius:4px;line-height:1}
.nav-item:hover .del-proj{opacity:.4}
.del-proj:hover{opacity:1!important;background:#fef2f2}
.add-proj-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--r-sm);font-size:12.5px;cursor:pointer;color:var(--text3);border:1.5px dashed var(--border);margin:4px 0;background:none;width:100%;font-family:inherit;font-weight:500;transition:all .15s}
.add-proj-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.new-proj-form{padding:6px 8px}
.icon-picker{display:flex;gap:3px;flex-wrap:wrap;margin-top:5px}
.icon-picker button{width:28px;height:28px;border-radius:6px;border:1.5px solid var(--border);background:var(--white);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .1s;padding:0}
.icon-picker button:hover,.icon-picker button.sel{border-color:var(--accent);background:var(--accent-light)}
.sidebar-footer{padding:12px 14px;border-top:1px solid var(--border2)}
.user-pill{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:var(--r-sm)}
.avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;flex-shrink:0}
.avatar-sm{width:22px;height:22px;font-size:9px}
.uname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.urole{font-size:10.5px;color:var(--text3);text-transform:capitalize}

/* ═══ MAIN ═══ */
.main-area{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}

/* ═══ TOPBAR ═══ */
.topbar{background:var(--white);border-bottom:1px solid var(--border);padding:14px 26px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;box-shadow:0 1px 4px rgba(0,0,0,.03)}
.topbar h1{font-size:18px;font-weight:700;letter-spacing:-.3px;display:flex;align-items:center;gap:9px}
.topbar-right{display:flex;align-items:center;gap:10px}
.view-badge{display:flex;align-items:center;gap:5px;background:var(--bg);padding:5px 13px;border-radius:var(--r-sm);font-size:12px;font-weight:600;color:var(--text2);border:1px solid var(--border2)}
.mobile-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;padding:4px 8px;color:var(--text)}

/* ═══ BOARD ═══ */
.board{display:flex;gap:22px;padding:24px 26px;overflow-x:auto;flex:1;align-items:flex-start}

/* ═══ COLUMN — ENHANCED SHADOWS ═══ */
.column{
    min-width:310px;max-width:345px;flex-shrink:0;
    display:flex;flex-direction:column;border-radius:var(--r);
    background:var(--white);
    border:1px solid var(--border2);
    box-shadow:0 2px 8px rgba(0,0,0,.05),0 6px 24px rgba(0,0,0,.04),0 0 0 1px rgba(0,0,0,.02);
    transition:box-shadow .2s;
}
.column:hover{box-shadow:0 4px 12px rgba(0,0,0,.07),0 8px 32px rgba(0,0,0,.05),0 0 0 1px rgba(0,0,0,.03)}
.col-head{padding:13px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border2)}
.col-head-left{display:flex;align-items:center;gap:8px}
.col-dot{width:10px;height:10px;border-radius:50%;box-shadow:0 0 6px rgba(0,0,0,.1)}
.col-title{font-size:13.5px;font-weight:600}
.col-count{background:var(--bg);padding:1px 8px;border-radius:10px;font-size:10.5px;font-weight:600;color:var(--text2)}
.col-del{background:none;border:none;color:var(--text3);cursor:pointer;font-size:16px;padding:3px 6px;border-radius:var(--r-xs);line-height:1;opacity:0;transition:all .15s}
.col-head:hover .col-del{opacity:.7}
.col-del:hover{background:#fef2f2;color:#ef4444;opacity:1}
.col-body{padding:8px 10px;display:flex;flex-direction:column;gap:8px;min-height:70px;transition:background .15s,border-radius .15s}
.col-body.drag-over{background:var(--accent-light);border-radius:0 0 var(--r) var(--r)}

/* ═══ TASK CARD ═══ */
.card{
    background:var(--white);border-radius:var(--r-sm);
    border:1px solid var(--border2);overflow:hidden;cursor:grab;
    transition:box-shadow .2s,border .2s,transform .15s,opacity .15s;
    box-shadow:var(--shadow-sm);
}
.card:hover{box-shadow:var(--shadow-md);border-color:var(--border)}
.card.dragging{opacity:.45;transform:rotate(1.5deg);box-shadow:var(--shadow-lg)}
.card-color{height:4px}
.card-body{padding:11px 13px}
.card-title{font-size:13px;font-weight:600;margin-bottom:4px;line-height:1.4;padding-right:16px}
.card-desc{font-size:12px;color:var(--text2);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--accent);text-decoration:none;margin-bottom:8px;padding:3px 8px;background:var(--accent-light);border-radius:4px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background .15s}
.card-link:hover{background:#ddd6fe}
.card-link svg{flex-shrink:0}
.card-priority{display:inline-block;padding:2px 8px;border-radius:4px;font-size:10.5px;font-weight:600;margin-bottom:8px;text-transform:capitalize}
.card-priority.high{background:#fef2f2;color:#dc2626}
.card-priority.medium{background:#fffbeb;color:#d97706}
.card-priority.low{background:#f0fdf4;color:#16a34a}
.card-priority.urgent{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
.card-footer-left{display:flex;align-items:center;gap:7px}
.card-date{font-size:10.5px;color:var(--text3);display:flex;align-items:center;gap:3px}
.card-actions{display:flex;gap:1px;opacity:0;transition:opacity .15s}
.card:hover .card-actions{opacity:1}
.card-actions button{background:none;border:none;cursor:pointer;padding:3px 5px;border-radius:var(--r-xs);font-size:12px;color:var(--text3);transition:all .12s}
.card-actions button:hover{background:var(--bg);color:var(--text)}
.card-actions button.del:hover{color:#ef4444;background:#fef2f2}

/* ═══ MOVE MENU ═══ */
.move-wrap{position:relative}
.move-menu{position:absolute;right:0;top:100%;background:var(--white);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow-lg);padding:4px;z-index:60;min-width:155px}
.move-menu button{display:block;width:100%;padding:7px 12px;border:none;background:none;text-align:left;font-size:12px;font-weight:500;color:var(--text);cursor:pointer;border-radius:var(--r-xs);font-family:inherit}
.move-menu button:hover{background:var(--accent-light);color:var(--accent)}

/* ═══ ADD TASK / STAGE ═══ */
.add-task-trigger{margin:6px 10px 10px;padding:8px;border:1.5px dashed var(--border);border-radius:var(--r-sm);background:transparent;color:var(--text3);font-size:12.5px;cursor:pointer;display:flex;align-items:center;gap:6px;font-family:inherit;font-weight:500;transition:all .15s;width:calc(100% - 20px)}
.add-task-trigger:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.add-form{margin:6px 10px 10px}
.add-form .row{display:flex;gap:8px}
.add-form .row .fg{flex:1}
.add-stage{min-width:280px;flex-shrink:0}
.add-stage-btn{padding:14px;border:2px dashed var(--border);border-radius:var(--r);background:transparent;color:var(--text3);font-size:13px;cursor:pointer;font-family:inherit;font-weight:600;transition:all .15s;width:100%;display:flex;align-items:center;gap:8px;justify-content:center}
.add-stage-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(99,102,241,.04)}
.add-stage-form{background:var(--white);border:1px solid var(--border2);border-radius:var(--r);padding:16px;box-shadow:var(--shadow)}
.color-dots{display:flex;gap:5px;margin-top:5px;flex-wrap:wrap}
.color-dots button{width:24px;height:24px;border-radius:50%;border:2.5px solid transparent;cursor:pointer;transition:all .12s;padding:0}
.color-dots button:hover,.color-dots button.sel{border-color:var(--text);transform:scale(1.15)}

/* ═══ MODAL ═══ */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.3);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s}
.modal{background:var(--white);border-radius:16px;padding:26px;width:100%;max-width:470px;box-shadow:var(--shadow-lg);animation:slideUp .2s}
.modal h2{font-size:16px;font-weight:700;margin-bottom:18px;letter-spacing:-.2px}
.modal .row{display:flex;gap:12px}
.modal .row .fg{flex:1}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ═══ ADMIN ═══ */
.admin-wrap{padding:26px;max-width:740px;margin:0 auto}
.admin-card{background:var(--white);border:1px solid var(--border2);border-radius:var(--r);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.admin-card h3{font-size:14.5px;font-weight:600;margin-bottom:14px}
.inline-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.inline-form .fg{flex:1;min-width:130px;margin-bottom:0}
.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{padding:10px 14px;text-align:left;font-size:13px}
.tbl th{color:var(--text3);font-weight:600;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;border-bottom:1.5px solid var(--border)}
.tbl td{border-bottom:1px solid var(--border2)}
.tbl tr:hover td{background:var(--bg)}
.role-tag{display:inline-block;padding:2px 10px;border-radius:10px;font-size:11px;font-weight:600}
.role-tag.admin{background:#eef2ff;color:var(--accent)}
.role-tag.user{background:#f0fdf4;color:#16a34a}

/* ═══ EMPTY ═══ */
.empty-state{text-align:center;padding:80px 20px;color:var(--text3)}
.empty-state .e-icon{font-size:50px;margin-bottom:14px}
.empty-state p{font-size:14px;margin-bottom:4px}
.empty-state .sub{font-size:13px;color:var(--text3)}

/* ═══ RESPONSIVE ═══ */
@media(max-width:768px){
    .sidebar{transform:translateX(-100%);transition:transform .25s}
    .sidebar.open{transform:translateX(0)}
    .main-area{margin-left:0}
    .board{padding:14px}
    .column{min-width:280px}
    .mobile-toggle{display:flex!important}
    .topbar{padding:12px 14px}
}