:root{--bg: #000000;--surface: #16181c;--border: #2f3336;--text-primary: #e7e9ea;--text-secondary: #71767b;--accent: #1d9bf0;--accent-hover: #1a8cd8;--danger: #f4212e;--hover: rgba(231, 233, 234, .1);--max-width: 600px;--top-bar-height: 53px;--bottom-bar-height: 53px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input{font:inherit}button{cursor:pointer;border:none;background:none;color:inherit}input{color:inherit;background:transparent}a{color:var(--accent)}.app-shell{min-height:100%;display:flex;flex-direction:column;max-width:var(--max-width);margin:0 auto;background:var(--bg)}.top-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;height:var(--top-bar-height);padding:var(--safe-top) 16px 0;border-bottom:1px solid var(--border);background:#000000d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.top-bar h1{margin:0;font-size:20px;font-weight:700}.icon-button{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:9999px;color:var(--text-primary);transition:background .15s}.icon-button:hover{background:var(--hover)}.main-content{flex:1;overflow-y:auto;padding-bottom:calc(var(--bottom-bar-height) + var(--safe-bottom) + 16px)}.bottom-tabs{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--max-width);display:flex;height:calc(var(--bottom-bar-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);border-top:1px solid var(--border);background:#000000f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.tab-button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:13px;font-weight:500;color:var(--text-secondary);transition:color .15s}.tab-button.active{color:var(--text-primary);font-weight:700}.tab-button svg{width:24px;height:24px}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:9999px;background:var(--accent);color:#fff;font-weight:700;font-size:15px;transition:background .15s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:9999px;border:1px solid var(--border);color:var(--text-primary);font-weight:700;font-size:15px;transition:background .15s}.btn-secondary:hover{background:var(--hover)}.btn-danger{color:var(--danger);font-weight:700}.surface-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}.list-row{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border)}.list-row:last-child{border-bottom:none}.text-secondary{color:var(--text-secondary)}.text-medium{font-size:17px;font-weight:400}.empty-state{padding:48px 24px;text-align:center;color:var(--text-secondary)}.modal-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-end;justify-content:center;background:#5b708366}.modal-sheet{width:100%;max-width:var(--max-width);background:var(--bg);border-top-left-radius:16px;border-top-right-radius:16px;padding:16px 16px calc(24px + var(--safe-bottom))}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.modal-header h2{margin:0;font-size:20px;font-weight:700}.weight-input{width:100%;padding:16px;border:1px solid var(--border);border-radius:8px;font-size:32px;font-weight:700;text-align:center;outline:none}.weight-input:focus{border-color:var(--accent)}.onboarding{min-height:100%;display:flex;flex-direction:column;justify-content:center;padding:24px;max-width:var(--max-width);margin:0 auto}.onboarding h1{margin:0 0 8px;font-size:31px;font-weight:700}.onboarding p{margin:0 0 32px;color:var(--text-secondary);font-size:17px;line-height:1.4}.onboarding-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}.onboarding-label{display:block;margin-bottom:8px;font-size:15px;font-weight:500;color:var(--text-secondary)}.delta-positive{color:var(--danger)}.delta-negative{color:#00ba7c}.delta-neutral{color:var(--text-secondary)}.chart-container{padding:16px 0 12px;border-bottom:1px solid var(--border);margin-bottom:24px}.chart-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.chart-header-standalone{justify-content:flex-end;margin-bottom:0}.chart-range-pills{display:flex;gap:4px;padding:3px;border-radius:9999px;border:1px solid var(--border);background:var(--surface)}.chart-range-pill{padding:6px 14px;border-radius:9999px;font-size:13px;font-weight:600;color:var(--text-secondary);transition:background .15s,color .15s}.chart-range-pill.active{background:var(--text-primary);color:var(--bg)}.chart-range-pill:hover:not(.active){background:var(--hover);color:var(--text-primary)}.chart-goal-btn{flex-shrink:0;padding:6px 12px;border-radius:9999px;border:1px solid var(--border);font-size:13px;font-weight:600;color:var(--text-secondary);transition:background .15s,color .15s}.chart-goal-btn:hover{background:var(--hover);color:var(--text-primary)}.chart-empty{display:flex;align-items:center;justify-content:center;height:300px;color:var(--text-secondary);font-size:15px}.chart-stats{padding:12px 4px 0;font-size:13px;color:var(--text-secondary)}.chart-stats-label{color:var(--text-primary);font-weight:600;margin-right:6px}.goal-sheet-current{margin:0 0 16px;font-size:15px;color:var(--text-secondary)}.goal-toggle-row{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding:12px 0;border-top:1px solid var(--border);font-size:15px;font-weight:500}.toggle-switch{position:relative;width:44px;height:24px;border-radius:9999px;background:var(--border);transition:background .2s;flex-shrink:0}.toggle-switch.on{background:var(--accent)}.toggle-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s}.toggle-switch.on .toggle-thumb{transform:translate(20px)}.btn-danger-text{display:block;width:100%;margin-top:12px;padding:12px;border-radius:9999px;font-size:15px;font-weight:700;color:var(--danger);text-align:center;transition:background .15s}.btn-danger-text:hover{background:#f4212e1a}.recent-entries{padding:0}.recent-entries h3{margin:0;padding:16px 16px 8px;font-size:15px;font-weight:700}.home-view{padding:24px 16px}.home-actions{display:flex;justify-content:center}.delete-btn{padding:8px;border-radius:9999px;color:var(--text-secondary);transition:background .15s,color .15s}.delete-btn:hover{background:#f4212e1a;color:var(--danger)}.field-label{display:block;margin-bottom:8px;font-size:15px;font-weight:500;color:var(--text-secondary)}.field-hint{margin:6px 0 0;font-size:13px}.field-error{color:var(--danger);text-align:center;margin:12px 0 0;font-size:14}.date-input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-size:17px;text-align:center;outline:none}.date-input:focus{border-color:var(--accent)}.entry-actions{display:flex;align-items:center;gap:4px}.action-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:9999px;color:var(--text-secondary);transition:background .15s,color .15s}.action-btn:hover{background:var(--hover);color:var(--text-primary)}.action-btn-danger:hover{background:#f4212e1a;color:var(--danger)}.entry-logged-info{font-size:13px;margin-top:4px}.history-row{align-items:flex-start}.history-row-main{flex:1;min-width:0}.history-row-side{display:flex;align-items:center;gap:8px;flex-shrink:0}.history-weight{font-weight:700;font-size:17px}