:root{--cyan:#00D4FF;--blue:#0066FF;--green:#00FF88;--red:#FF4444;--orange:#FF6B35;--yellow:#FFB800;--purple:#7289DA;--bg:#0A0E14;--bg2:#0D1117;--bg3:#060A0F;--border:#1E2530;--text:#E6EDF3;--text2:#8B949E;--text3:#484F58}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Rajdhani',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}

/* Background effects */
.grid-bg{position:fixed;inset:0;background-image:linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);background-size:50px 50px;pointer-events:none;z-index:0}
.glow-bg{position:fixed;inset:0;background:radial-gradient(ellipse at top,rgba(0,102,255,.1) 0%,transparent 50%);pointer-events:none;z-index:0}
#app{position:relative;z-index:1}

/* Header */
header{position:fixed;top:0;left:0;right:0;height:64px;background:rgba(10,14,20,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:100}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:40px;height:40px;border:1px solid var(--cyan);display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(0,212,255,.3)}
.logo-icon svg{width:24px;height:24px;stroke:var(--cyan)}
.logo h1{font-family:'Orbitron',sans-serif;font-size:1.1rem;color:var(--cyan);text-shadow:0 0 10px rgba(0,212,255,.5);letter-spacing:.1em}
.logo span{font-family:'Share Tech Mono',monospace;font-size:.6rem;color:var(--text3);letter-spacing:.15em}
.user-menu{display:flex;align-items:center;gap:12px;padding:8px 16px;border:1px solid var(--border);cursor:pointer;transition:all .2s}
.user-menu:hover{border-color:var(--cyan)}
.user-avatar{width:32px;height:32px;border-radius:50%;border:2px solid var(--cyan);display:flex;align-items:center;justify-content:center}

/* Layout */
.layout{display:flex;padding-top:64px;min-height:100vh}
.sidebar{width:280px;background:var(--bg3);border-right:1px solid var(--border);position:fixed;top:64px;bottom:0;display:flex;flex-direction:column;z-index:50}
.sidebar-header{padding:16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}
.sidebar-header h2{font-family:'Orbitron',sans-serif;font-size:.75rem;color:var(--text3);letter-spacing:.1em}
.sidebar-header button{background:none;border:none;color:var(--cyan);cursor:pointer;font-size:1.2rem;transition:transform .2s}
.sidebar-header button:hover{transform:scale(1.2)}
.project-list{flex:1;overflow-y:auto;padding:8px}
.sidebar-footer{padding:16px;border-top:1px solid var(--border)}
.sidebar-footer button{width:100%;padding:12px;background:none;border:1px dashed var(--border);color:var(--text2);cursor:pointer;font-family:'Rajdhani',sans-serif;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}
.sidebar-footer button:hover{border-color:var(--cyan);color:var(--cyan);border-style:solid}
.main{flex:1;margin-left:280px;padding:24px}

/* Project cards */
.project-card{width:100%;text-align:left;padding:14px;margin-bottom:8px;background:var(--bg2);border:1px solid var(--border);cursor:pointer;transition:all .2s;position:relative;overflow:hidden}
.project-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:opacity .2s}
.project-card:hover::before,.project-card.active::before{opacity:1}
.project-card:hover,.project-card.active{border-color:var(--cyan);background:rgba(0,212,255,.05)}
.project-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.project-color{width:12px;height:12px;border-radius:3px;box-shadow:0 0 8px currentColor}
.project-code{font-family:'Share Tech Mono',monospace;font-size:.65rem;color:var(--text3)}
.project-name{font-weight:600;margin-bottom:8px;color:var(--text)}
.progress-bar{height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.progress-fill{height:100%;transition:width .5s ease-out}
.project-stats{display:flex;justify-content:space-between;margin-top:8px;font-size:.75rem;color:var(--text3)}

/* Cards */
.card{background:linear-gradient(135deg,var(--bg2) 0%,var(--bg3) 100%);border:1px solid var(--border);padding:24px;margin-bottom:16px;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.5}
.card-header{display:flex;justify-content:space-between;align-items:start;flex-wrap:wrap;gap:20px}

/* Buttons */
.btn{font-family:'Orbitron',sans-serif;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:10px 20px;border-radius:4px;border:1px solid;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:linear-gradient(135deg,var(--cyan) 0%,var(--blue) 100%);border-color:var(--cyan);color:var(--bg)}
.btn-primary:hover{box-shadow:0 0 20px rgba(0,212,255,.4);transform:translateY(-1px)}
.btn-secondary{background:transparent;border-color:var(--border);color:var(--text)}
.btn-secondary:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-danger{background:transparent;border-color:var(--red);color:var(--red)}
.btn-danger:hover{background:rgba(255,68,68,.1)}
.btn-sm{padding:6px 12px;font-size:.6rem}

/* Badge */
.badge{font-family:'Share Tech Mono',monospace;font-size:.6rem;text-transform:uppercase;padding:3px 8px;border-radius:2px;border:1px solid}

/* Empty state */
.empty{text-align:center;padding:80px 24px}
.empty-icon{width:80px;height:80px;margin:0 auto 20px;border:2px dashed var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text3)}

/* Tasks */
.task{background:rgba(255,255,255,.02);border-left:3px solid transparent;margin-bottom:8px;transition:all .2s}
.task:hover{border-left-color:var(--cyan);background:rgba(0,212,255,.03)}
.task-header{padding:16px;cursor:pointer}
.task-title{display:flex;align-items:center;gap:10px;font-weight:600;margin-bottom:8px}
.task-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.task-actions{display:flex;gap:6px}
.task-actions button{background:none;border:1px solid var(--border);color:var(--text3);cursor:pointer;padding:6px 10px;font-size:.7rem;transition:all .2s}
.task-actions button:hover{border-color:var(--cyan);color:var(--cyan)}

/* Subtasks */
.subtasks{padding:16px 16px 16px 32px;background:rgba(0,0,0,.3);border-top:1px solid var(--border)}
.subtask{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.subtask:last-child{border-bottom:none}
.subtask-left{display:flex;align-items:center;gap:10px}
.subtask-dot{width:8px;height:8px;border-radius:50%}
.subtask-tech{font-size:.65rem;padding:2px 6px;background:var(--bg);border:1px solid var(--border);border-radius:2px;color:var(--text3)}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(6,10,15,.95);backdrop-filter:blur(5px);display:none;align-items:center;justify-content:center;z-index:200}
.modal-bg.show{display:flex}
.modal{background:var(--bg2);border:1px solid var(--border);width:100%;max-width:550px;max-height:90vh;overflow-y:auto;position:relative}
.modal::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--blue))}
.modal-header{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-header h2{font-family:'Orbitron',sans-serif;font-size:1rem;letter-spacing:.05em}
.modal-close{background:none;border:none;color:var(--text3);cursor:pointer;font-size:1.5rem;transition:color .2s}
.modal-close:hover{color:var(--red)}
.modal-body{padding:20px}
.modal-footer{padding:20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:12px}

/* Forms */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-family:'Share Tech Mono',monospace;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text3);margin-bottom:8px}
.form-control{width:100%;padding:12px;background:var(--bg);border:1px solid var(--border);color:var(--text);font-family:'Rajdhani',sans-serif;font-size:1rem;transition:all .2s}
.form-control:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 10px rgba(0,212,255,.2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Colors picker */
.colors{display:flex;gap:8px;flex-wrap:wrap}
.color-opt{width:32px;height:32px;border-radius:4px;cursor:pointer;border:2px solid transparent;transition:all .2s}
.color-opt:hover{transform:scale(1.1)}
.color-opt.sel{border-color:#fff;box-shadow:0 0 10px currentColor}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;padding:14px 24px;border:1px solid;border-radius:4px;z-index:300;animation:slideIn .3s}
.toast.ok{background:var(--bg2);border-color:var(--green);color:var(--green)}
.toast.err{background:var(--bg2);border-color:var(--red);color:var(--red)}
@keyframes slideIn{from{transform:translateX(100px);opacity:0}to{transform:translateX(0);opacity:1}}

/* Scrollbar */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg3)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text3)}

/* Responsive */
@media(max-width:900px){
    .sidebar{width:240px}
    .main{margin-left:240px;padding:16px}
}
@media(max-width:700px){
    .sidebar{display:none}
    .main{margin-left:0}
    .form-row{grid-template-columns:1fr}
}