:root{--primary-color: #ff6b6b;--secondary-color: #4ecdc4;--bg-color: #f0f2f5;--card-bg: #ffffff;--board-bg: #ffffff;--text-color: #2d3436;--text-light: #636e72;--border-color: #e0e0e0;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--radius-lg: 24px;--radius-md: 16px;--radius-sm: 8px;--font-main: "Noto Sans SC", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-color);display:flex;justify-content:center;min-height:100vh;padding:20px}#root{width:100%;display:flex;justify-content:center}.app-container{width:100%;max-width:1200px;padding-bottom:40px}header{display:flex;flex-direction:column;align-items:center;margin-bottom:32px;gap:20px}@media(min-width:768px){header{flex-direction:row;justify-content:space-between;align-items:center;padding:0 10px}}h1{font-size:2.2rem;font-weight:800;color:var(--primary-color);letter-spacing:-.5px}h1:after{display:none}.app-title{display:flex;align-items:center;gap:12px;padding:14px 24px;background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.title-icon{color:var(--primary-color)}.controls{display:flex;align-items:center;gap:8px;background:var(--card-bg);padding:6px;border-radius:60px;box-shadow:var(--shadow-md);border:1px solid rgba(0,0,0,.03);transition:transform .2s,box-shadow .2s}.controls:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}.month-display{display:flex;align-items:center;justify-content:center;min-width:80px;padding:0 10px}.month-label{font-size:1.6rem;font-weight:800;color:var(--text-color);line-height:1}.icon-btn{background:var(--bg-color);border:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-color);transition:all .2s cubic-bezier(.25,1,.5,1)}.icon-btn:hover{background-color:var(--primary-color);color:#fff;transform:scale(1.1);box-shadow:0 4px 8px #ff6b6b4d}.icon-btn:active{transform:scale(.95)}.calendar-board{background:var(--board-bg);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}.weekday-header{text-align:center;font-weight:700;color:var(--text-light);padding:10px 0;font-size:.95rem;text-transform:uppercase;letter-spacing:1px}.day-cell{background:#f8f9fa;border-radius:var(--radius-md);min-height:140px;padding:12px;border:1px solid transparent;transition:all .2s cubic-bezier(.25,1,.5,1);display:flex;flex-direction:column;position:relative;overflow:hidden;cursor:default}.day-cell:hover{background:#fff;transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#0000000d;z-index:5}.day-cell.empty{background:transparent;pointer-events:none}.day-number{font-size:1.1rem;font-weight:700;color:var(--text-light);margin-bottom:8px;transition:color .2s}.day-cell:hover .day-number{color:var(--text-color)}.day-cell.today{background:#fff;border:2px solid var(--primary-color);box-shadow:0 0 0 4px #ff6b6b1a}.day-cell.today .day-number{color:var(--primary-color)}.idols-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;align-content:start;width:100%}.idol-thumb{width:100%;aspect-ratio:1;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:var(--shadow-sm);transition:transform .2s,z-index .2s;cursor:pointer;background:#eee;display:block}.idol-thumb:hover{transform:scale(1.35) rotate(5deg);z-index:20;border-color:var(--secondary-color);box-shadow:var(--shadow-md)}.idol-count-badge{display:flex;align-items:center;justify-content:center;background-color:#ff6b6b1a;color:var(--primary-color);border-radius:50%;width:100%;aspect-ratio:1;font-size:.75rem;font-weight:700;border:2px solid #fff;box-shadow:var(--shadow-sm)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#2d343699;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .25s ease-out;padding:20px}.modal-content{background-color:var(--card-bg);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:500px;max-height:85vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-lg);animation:slideUp .3s cubic-bezier(.16,1,.3,1)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.close-btn{position:absolute;top:20px;right:25px;font-size:32px;line-height:1;font-weight:300;cursor:pointer;color:var(--text-light);transition:color .2s,transform .2s}.close-btn:hover{color:var(--primary-color);transform:rotate(90deg)}.day-detail-header{border-bottom:2px solid var(--bg-color);padding-bottom:16px;margin-bottom:24px}.day-detail-date{font-size:1.6rem;font-weight:800;color:var(--text-color)}.idol-list{display:flex;flex-direction:column;gap:12px}.idol-item{display:flex;align-items:center;gap:16px;padding:12px;border-radius:var(--radius-md);background-color:#fff;border:1px solid var(--bg-color);transition:all .2s;text-decoration:none;color:inherit}.idol-item:hover{transform:translate(4px);border-color:var(--secondary-color);background-color:#f8fffe;box-shadow:var(--shadow-sm)}.idol-avatar-lg{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:var(--shadow-sm)}.idol-name{font-size:1.1rem;font-weight:700;margin-bottom:4px}.idol-group{font-size:.85rem;color:var(--primary-color);background-color:#ff6b6b14;padding:4px 10px;border-radius:12px;display:inline-block;font-weight:500}.idol-region{font-size:.8rem;color:#999;margin-left:8px}@media(max-width:768px){body{padding:10px}.calendar-board{padding:12px;border-radius:var(--radius-md)}.calendar-grid{gap:6px}header{flex-direction:row;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;width:100%}h1{font-size:1.1rem;white-space:nowrap}.app-title{padding:8px 12px;gap:6px;flex:1;min-width:0;justify-content:flex-start}.title-icon{width:24px;height:24px}.controls{flex-shrink:0;padding:4px;gap:2px}.month-display{min-width:50px;padding:0}.month-label{font-size:1.2rem}.icon-btn{width:32px;height:32px}.day-cell{min-height:80px;padding:6px;border-radius:var(--radius-sm)}.day-number{font-size:.9rem;margin-bottom:4px}.idol-thumb{border-width:1.5px}.idol-count-badge{font-size:.65rem}.idols-stack{grid-template-columns:1fr;gap:2px}.modal-content{padding:24px;max-height:80vh}}