:root{--bg-color:#0f0f13;--panel-bg:#1a1a24;--text-main:#f5f5f7;--text-muted:#8b8b99;--primary:#fe5100;--primary-hover:#ff7533;--border:#2a2a35;--danger:#ef4444;--success:#10b981;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.kanban-board{align-items:flex-start;gap:20px;height:calc(100vh - 70px);padding:24px;display:flex;overflow-x:auto}.column{background-color:var(--panel-bg);border-radius:var(--radius);border:1px solid var(--border);flex-direction:column;width:320px;min-width:320px;max-height:100%;display:flex}.column-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px;font-size:15px;font-weight:600;display:flex}.column-count{background:var(--bg-color);color:var(--text-muted);border-radius:12px;padding:2px 8px;font-size:12px}.column-body{flex-direction:column;flex-grow:1;gap:12px;min-height:150px;padding:12px;display:flex;overflow-y:auto}.card{background-color:var(--bg-color);border:1px solid var(--border);cursor:grab;border-radius:6px;padding:16px;transition:transform .2s,box-shadow .2s,border-color .2s}.card:hover{border-color:var(--primary)}.card:active{cursor:grabbing}.card-title{color:var(--text-main);margin-bottom:8px;font-size:15px;font-weight:600}.card-subtitle{color:var(--text-muted);align-items:center;gap:6px;margin-bottom:4px;font-size:13px;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{background:var(--panel-bg);border:1px solid var(--border);border-radius:12px;width:100%;max-width:600px;max-height:90vh;padding:32px;position:relative;overflow-y:auto;box-shadow:0 20px 25px -5px #00000080}.modal-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;position:absolute;top:24px;right:24px}.modal-close:hover{color:var(--text-main)}.header{border-bottom:1px solid var(--border);background:var(--panel-bg);justify-content:space-between;align-items:center;height:70px;padding:0 32px;display:flex}.header h1{font-size:20px;font-weight:700}.btn{background:var(--primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:8px;padding:10px 20px;font-weight:600;text-decoration:none;transition:opacity .2s;display:inline-flex}.btn:hover{opacity:.9}.btn-secondary{background:var(--border);color:var(--text-main)}.btn-success{background:var(--success)}.login-container{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{background:var(--panel-bg);border:1px solid var(--border);border-radius:12px;width:100%;max-width:400px;padding:40px}.input-group{margin-bottom:20px}.input-group label{color:var(--text-muted);margin-bottom:8px;font-size:14px;display:block}.input-group input{background:var(--bg-color);border:1px solid var(--border);border-radius:var(--radius);color:#fff;outline:none;width:100%;padding:12px}.input-group input:focus{border-color:var(--primary)}.detail-grid{grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;display:grid}.detail-item label{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;font-size:12px;display:block}.detail-item div{font-size:15px;font-weight:500}