/* --- PASTE THIS INTO css/manage-data-style.css --- */
.page-description { color: var(--text-secondary); text-align: center; margin: 0 auto 20px auto; max-width: 600px; line-height: 1.5; }
.toolbar { display: flex; justify-content: flex-end; gap: 10px; margin-bottom: 15px; }
.toolbar .action-btn { margin-top: 0; background-color: var(--system-blue); color: var(--text-on-action); }
.toolbar .action-btn svg { width: 20px; height: 20px; stroke: var(--text-on-action); }
#exercise-list-container { padding: 10px 20px; }
#exercise-list-header { display: grid; grid-template-columns: 1fr auto; gap: 15px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--glass-border); font-weight: 600; color: var(--text-secondary); }
.exercise-item { display: grid; grid-template-columns: auto 1fr auto; gap: 15px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--glass-border); }
.exercise-item:last-child { border-bottom: none; }
.exercise-item label { cursor: pointer; }
.exercise-item span { color: var(--text-secondary); font-weight: 500; }
.empty-list-prompt, .loader-container { text-align: center; padding: 40px 20px; color: var(--text-secondary); }
.icon-btn svg { width: 24px; height: 24px; fill: var(--text-primary); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text-primary); font-weight: 600; }
.form-group select, .form-group input { width: 100%; padding: 12px; background-color: rgba(0,0,0,0.2); border: 1px solid var(--glass-border); color: var(--text-primary); border-radius: 8px; font-size: 1rem; box-sizing: border-box; }
#merge-summary { margin-top: 15px; padding: 10px; background: rgba(0,0,0,0.2); border-radius: 8px; color: var(--text-secondary); line-height: 1.5; }
.loader-container .loader { border-top-color: var(--system-blue); display: inline-block; position: static; transform: none; }
.sk-description { height: 40px; max-width: 600px; margin: 0 auto 20px auto; }
.sk-toolbar { display: flex; justify-content: flex-end; gap: 10px; margin-bottom: 15px; }
.sk-button { height: 40px; width: 100px; border-radius: 14px; }
.sk-list-container { height: 300px; border-radius: 20px; padding: 10px 20px; }
.sk-list-header { height: 20px; width: 120px; margin: 10px 0; border-radius: 6px; }
.sk-list-item { height: 20px; margin: 20px 0; border-radius: 6px; }
```5.  **For `css/progress-analytics-style.css`:** DELETE all of its content and REPLACE it with the code below.
```css
/* --- PASTE THIS INTO css/progress-analytics-style.css --- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; }
.stat-card { padding: 20px; text-align: center; }
.stat-value { font-size: 2.5rem; font-weight: 700; color: var(--system-blue); }
.stat-label { font-size: 0.9rem; color: var(--text-secondary); margin-top: 5px; }
.chart-controls { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 20px; }
@media (min-width: 500px) { .chart-controls { grid-template-columns: 1fr 1fr; } }
.chart-controls label { display: block; margin-bottom: 8px; color: var(--text-secondary); font-weight: 500; }
.chart-controls select { width: 100%; padding: 12px; background-color: rgba(0,0,0,0.2); border: 1px solid var(--glass-border); color: var(--text-primary); border-radius: 8px; font-size: 1rem; box-sizing: border-box; }
#pr-finder { padding: 25px; }
.pr-finder-form label { display: block; color: var(--text-secondary); margin-bottom: 8px; font-weight: 500; }
.pr-finder-form select { width: 100%; padding: 12px; background-color: rgba(0,0,0,0.2); border: 1px solid var(--glass-border); color: var(--text-primary); border-radius: 8px; font-size: 1rem; box-sizing: border-box; margin-bottom: 20px; }
#pr-result-area { text-align: center; min-height: 80px; display: flex; flex-direction: column; justify-content: center; align-items: center; background: rgba(0,0,0,0.15); border-radius: 12px; padding: 20px; transition: all 0.3s ease; }
.pr-prompt { color: var(--text-tertiary); font-size: 1rem; margin: 0; }
.pr-result-value { font-size: 2rem; font-weight: 700; color: var(--system-blue); margin: 0; }
.pr-result-date { font-size: 0.9rem; color: var(--text-secondary); margin-top: 5px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; }
.section-header h2 { margin-top: 0; }
.management-link-card { display: flex; justify-content: space-between; align-items: center; padding: 20px; text-decoration: none; color: var(--text-primary); transition: transform 0.2s, background-color 0.2s; margin-top: 10px; }
.management-link-card:hover { background-color: rgba(255,255,255,0.1); }
.management-link-card:active { transform: scale(0.98); }
.management-link-content h3 { margin: 0 0 8px 0; font-size: 1.2rem; }
.management-link-content p { margin: 0; color: var(--text-secondary); }
.management-link-arrow { font-size: 2rem; color: var(--text-tertiary); padding-left: 15px; }
#calendar-popup { position: absolute; z-index: 100; width: 280px; padding: 12px; opacity: 0; visibility: hidden; transform: scale(0.95) translateY(10px); transition: opacity 0.2s ease-out, transform 0.2s ease-out, visibility 0.2s; transform-origin: bottom right; }
#calendar-popup.active { opacity: 1; visibility: visible; transform: scale(1) translateY(0); }
.calendar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.calendar-nav-btn { font-size: 1.3rem; background: none; border: none; color: var(--text-primary); cursor: pointer; padding: 4px 8px; }
#calendar-month-year { font-size: 1rem; font-weight: 600; }
.calendar-weekdays, .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; }
.calendar-weekdays { margin-bottom: 8px; }
.weekday { font-size: 0.75rem; font-weight: 500; color: var(--text-secondary); }
.calendar-grid { gap: 4px; }
.calendar-day { position: relative; padding: 6px 0; font-size: 0.85rem; border-radius: 50%; cursor: default; transition: background-color 0.2s; }
.calendar-day.other-month { color: var(--text-tertiary); }
.calendar-day.current-day { background-color: var(--system-blue); color: var(--text-on-action); font-weight: 700; }
.calendar-day.has-workout { cursor: pointer; font-weight: 600; }
.calendar-day.has-workout:not(.current-day):hover { background-color: rgba(255, 255, 255, 0.1); }
.calendar-day.has-workout::after { content: ''; position: absolute; width: 4px; height: 4px; border-radius: 50%; background-color: var(--system-blue); bottom: 4px; left: 50%; transform: translateX(-50%); }
.calendar-day.current-day.has-workout::after { background-color: white; }
.history-carousel-container { overflow-x: auto; padding: 10px 0 20px 0; scroll-behavior: smooth; }
.history-carousel { display: flex; gap: 15px; width: max-content; }
.history-card { width: 220px; padding: 20px; flex-shrink: 0; cursor: pointer; }
.history-card-title { font-size: 1.1rem; font-weight: 600; margin: 0 0 5px 0; }
.history-card-date { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 15px; }
#progress-chart { max-height: 400px; margin-top: 15px; }
.sk-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin-top: 10px; margin-bottom: 40px; }
.sk-stat-card { height: 95px; }
.sk-chart-card { height: 350px; margin-bottom: 40px; }
.sk-link-card { height: 90px; margin-bottom: 40px; }
.sk-pr-card { height: 180px; margin-bottom: 40px; }
.sk-history-header { display: flex; justify-content: space-between; align-items: center; }
.sk-history-header .skeleton-title { margin-bottom: 0; }
.sk-history-header .sk-button { width: 120px; height: 40px; border-radius: 25px; }
.sk-history-carousel { display: flex; gap: 15px; margin-top: 10px; overflow: hidden; }
.sk-history-card { width: 220px; height: 85px; flex-shrink: 0; }
.fade-in { animation: fade-in 0.5s ease-out forwards; }
.fade-out { animation: fade-out 0.5s ease-out forwards; }