:root{--gradient-start: #0f2027;--gradient-middle: #2c5364;--gradient-end: #203a43;--accent-light: #3eb0ff;--accent-dark: #1a8cff;--surface: rgba(255, 255, 255, .05);--surface-hover: rgba(255, 255, 255, .1);--text-main: #e0e6ee;--text-muted: #a3b1c2;--btn-primary: #3eb0ff;--btn-primary-hover: #6ec6ff;--btn-secondary: #1a8cff;--btn-danger: #ff4c4c;--btn-danger-hover: #ff6e6e;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--glow: 0 0 8px rgba(62, 176, 255, .6);--animation-time: .3s}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:Segoe UI,sans-serif;color:var(--text-main);line-height:1.6;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-middle),var(--gradient-end));background-attachment:fixed;overflow-x:hidden}.app-container{display:flex;flex-direction:column;min-height:100%}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#0006;box-shadow:var(--shadow)}.app-main{flex:1;padding:2rem}.btn{position:relative;font-size:1rem;padding:.6rem 1.2rem;border:none;border-radius:999px;color:#fff;cursor:pointer;overflow:hidden;transition:background var(--animation-time),box-shadow var(--animation-time);box-shadow:var(--shadow)}.btn:after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at center,rgba(255,255,255,.3),transparent 60%);opacity:0;transition:opacity var(--animation-time)}.btn:hover:after{opacity:1}.btn-primary{background:var(--btn-primary)}.btn-primary:hover{background:var(--btn-primary-hover);box-shadow:var(--glow)}.btn-secondary{background:var(--btn-secondary)}.btn-secondary:hover{box-shadow:var(--glow)}.btn-danger{background:var(--btn-danger)}.btn-danger:hover{background:var(--btn-danger-hover);box-shadow:0 0 8px #ff4c4c99}.input{font-size:1rem;padding:.5rem .8rem;border:1px solid rgba(255,255,255,.2);border-radius:6px;background:var(--surface);color:var(--text-main);transition:border-color var(--animation-time),background var(--animation-time)}.input:focus{outline:none;background:var(--surface-hover);border-color:var(--accent-light);box-shadow:0 0 6px #3eb0ff66}section{margin-bottom:2rem}.card{background:var(--surface);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow);transition:background var(--animation-time),box-shadow var(--animation-time)}.card:hover{background:var(--surface-hover);box-shadow:var(--glow)}.pomodoro-card,.todo-board>.column{background:var(--surface);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow);transition:background var(--animation-time),box-shadow var(--animation-time)}.new-task-section{display:flex;gap:1rem}.board-section{margin-top:2rem}.todo-board{display:flex;gap:1rem;flex-wrap:wrap}.column{flex:1;min-width:220px}.column h3{color:var(--accent-light);margin-bottom:.75rem}.todo-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;margin-bottom:.75rem;border-radius:8px;background:var(--surface-hover);box-shadow:0 2px 8px #0003;transition:transform var(--animation-time)}.todo-item:hover{transform:translateY(-2px)}.pomodoro-section{text-align:center}.pomodoro-inner{position:relative;padding:2rem;border:1px solid rgba(255,255,255,.3);border-radius:12px;background:var(--surface);margin:0 auto;max-width:500px;box-shadow:var(--shadow)}.pomodoro-title{color:var(--accent-light);margin-bottom:.5rem;font-size:1.5rem}.pomodoro-time{font-size:3rem;margin-bottom:1rem;color:#fff}@keyframes shine{0%{background-position:-200px}to{background-position:200px}}.shiny{background:linear-gradient(120deg,#fff3,#ffffff0d,#fff3);background-size:400px;animation:shine 2s infinite}html[data-theme=dark]{background-color:var(--bg);color:var(--text)}html[data-theme=light]{background-color:#fff;color:#000}.dashboard{display:flex;flex-direction:column;gap:2rem}.dashboard-banner{display:flex;gap:1rem}.dashboard-controls{display:flex;align-items:center;gap:2rem}.pomodoro-inline{flex:0 0 auto;background:none;box-shadow:none;border:none;padding:0}.new-task-inline{display:flex;gap:.5rem;align-items:center}.card{background:var(--surface);border-radius:8px;padding:1rem;box-shadow:var(--shadow);flex:1;text-align:center}.mini-calendar h4,.quote-of-day h4{margin-bottom:.5rem;color:var(--accent-light)}.pomodoro-inline{display:flex;align-items:center;background:none;box-shadow:none;padding:0}.pomodoro-inner-inline{display:flex;align-items:center;gap:1rem;background:var(--surface);padding:.5rem 1rem;border-radius:8px}.pom-controls-inline{display:flex;align-items:center;gap:.5rem}.pomodoro-title-inline{margin:0 .5rem 0 0;color:var(--accent-light);font-size:1rem}.pomodoro-time-inline{font-size:1.25rem;margin:0 .5rem}.btn-small{padding:.3rem .6rem;font-size:.85rem}