.bottom-sheet {
    position: fixed; bottom: 0; left: 50%; transform: translateX(-50%) translateY(100%); width: 100%; max-width: 500px; 
    background: var(--surface); backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-top-left-radius: 40px; border-top-right-radius: 40px;
    z-index: 200;
    padding: 0; box-sizing: border-box;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    display: flex; flex-direction: column; 
    max-height: 80vh; 
    border: 1px solid var(--border); 
    overflow: hidden; 
}
.bottom-sheet.active { transform: translateX(-50%) translateY(0); box-shadow: 0 -10px 50px rgba(0,0,0,0.15); }

.sheet-handle-bar { width: 100%; display: flex; justify-content: center; padding-top: 14px; padding-bottom: 6px; cursor: grab; flex-shrink: 0; }
.sheet-handle { width: 44px; height: 5px; background: rgba(0,0,0,0.2); border-radius: 10px; }

.sheet-header { padding: 16px 28px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(0,0,0,0.05); z-index: 10; flex-shrink: 0; }
.sheet-title { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.8px; color: var(--text); }

.sheet-content { 
    padding: 24px 28px 0; 
    overflow-y: scroll; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; 
    flex: 1; padding-bottom: calc(40px + env(safe-area-inset-bottom));
    scrollbar-width: none; -ms-overflow-style: none;
}
.sheet-content::-webkit-scrollbar { width: 0; height: 0; background: transparent; }