*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0d0d14;--bg-surface: #13131f;--bg-elevated: #1a1a2e;--bg-glass: rgba(255, 255, 255, .04);--bg-glass-hover: rgba(255, 255, 255, .07);--bg-glass-active:rgba(255, 255, 255, .1);--primary: #6c63ff;--primary-hover: #7c75ff;--primary-dim: rgba(108, 99, 255, .15);--primary-glow: rgba(108, 99, 255, .35);--accent: #a78bfa;--accent-dim: rgba(167, 139, 250, .12);--success: #10b981;--success-dim: rgba(16, 185, 129, .12);--warning: #f59e0b;--warning-dim: rgba(245, 158, 11, .12);--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .12);--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #475569;--text-inverse: #0d0d14;--border: rgba(255, 255, 255, .07);--border-bright: rgba(255, 255, 255, .14);--col-todo: rgba(148, 163, 184, .08);--col-progress: rgba(245, 158, 11, .08);--col-done: rgba(16, 185, 129, .08);--shadow-sm: 0 1px 3px rgba(0,0,0,.4);--shadow-md: 0 4px 16px rgba(0,0,0,.5);--shadow-lg: 0 8px 32px 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var(--transition);outline:none}.form-input::placeholder{color:var(--text-muted)}.form-input:focus{border-color:var(--primary);background:var(--bg-glass-hover);box-shadow:0 0 0 3px var(--primary-dim)}.form-input:disabled{opacity:.5;cursor:not-allowed}textarea.form-input{resize:vertical;min-height:80px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:all var(--transition);cursor:pointer;white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 20px var(--primary-glow)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-ghost{background:var(--bg-glass);color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--bg-glass-hover);color:var(--text-primary);border-color:var(--border-bright)}.btn-danger{background:var(--danger-dim);color:var(--danger);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover:not(:disabled){background:#ef444433}.btn-success{background:var(--success-dim);color:var(--success);border:1px solid rgba(16,185,129,.2)}.btn-icon{width:32px;height:32px;padding:0;flex-shrink:0;font-size:15px;border-radius:var(--radius-sm)}.btn-full{width:100%}.btn-lg{padding:13px 22px;font-size:15px}.alert{padding:11px 14px;border-radius:var(--radius-md);font-size:13px;margin-bottom:16px}.alert-danger{background:var(--danger-dim);border:1px solid rgba(239,68,68,.25);color:#fca5a5}.alert-success{background:var(--success-dim);border:1px solid rgba(16,185,129,.25);color:#6ee7b7}.dashboard{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-surface);border-right:1px solid 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var(--transition)}.sidebar-logout-btn:hover{background:var(--danger-dim);color:var(--danger)}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-base)}.main-topbar{height:var(--topbar-height);padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);flex-shrink:0}.main-topbar-title{font-size:18px;font-weight:600;letter-spacing:-.3px;color:var(--text-primary)}.main-topbar-subtitle{font-size:13px;color:var(--text-muted);margin-left:10px}.main-content{flex:1;overflow-x:auto;overflow-y:hidden;padding:24px;display:flex;gap:16px;align-items:flex-start}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);padding:40px;text-align:center}.empty-state-icon{font-size:56px;opacity:.25;margin-bottom:4px}.empty-state h2{font-size:20px;font-weight:600;color:var(--text-secondary)}.empty-state 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var(--transition)}.task-action-btn:hover{background:var(--bg-glass-active);color:var(--text-primary)}.task-action-btn.delete:hover{background:var(--danger-dim);color:var(--danger)}.task-card-desc{font-size:12px;color:var(--text-muted);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.task-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.task-card-due{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-muted)}.task-card-due.overdue{color:var(--danger)}.task-card-due.soon{color:var(--warning)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .15s ease}.modal{background:var(--bg-surface);border:1px solid var(--border-bright);border-radius:var(--radius-xl);width:100%;max-width:440px;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 0}.modal-title{font-size:17px;font-weight:600;color:var(--text-primary);letter-spacing:-.3px}.modal-close{width:28px;height:28px;border:none;background:var(--bg-glass);border-radius:var(--radius-sm);color:var(--text-muted);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition)}.modal-close:hover{background:var(--bg-glass-active);color:var(--text-primary)}.modal-body{padding:20px 24px}.modal-footer{padding:0 24px 20px;display:flex;gap:10px;justify-content:flex-end}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.15);border-top-color:currentColor;border-radius:50%;animation:spin .7s linear 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rgba(245,158,11,.25);border-radius:var(--radius-full);padding:3px 9px;margin-top:6px;width:fit-content}