:root{--color-bg: #f4f7fb;--color-primary: #2e86ab;--color-primary-dark: #1f5f7a;--color-danger: #e4572e;--color-text: #1c2b33;--radius: 14px;font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--color-bg);color:var(--color-text);overscroll-behavior-y:contain}button{font:inherit;cursor:pointer}.centered-message{display:flex;align-items:center;justify-content:center;height:100vh;font-size:1.3rem;color:var(--color-primary-dark)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2e86ab,#8e44ad);padding:16px}.login-card{background:#fff;border-radius:var(--radius);padding:32px 24px;width:100%;max-width:400px;display:flex;flex-direction:column;gap:8px;box-shadow:0 20px 40px #0003}.login-card h1{margin:0 0 4px;text-align:center;color:var(--color-primary)}.login-subtitle{text-align:center;margin:0 0 16px;color:#555}.field-label{font-weight:600;margin-top:8px}.text-input{min-height:48px;border-radius:var(--radius);border:2px solid #d7dee5;padding:0 14px;font-size:1.1rem}.text-input:focus{outline:3px solid var(--color-primary);border-color:var(--color-primary)}.big-button{min-height:48px;min-width:44px;border:none;border-radius:var(--radius);background:var(--color-primary);color:#fff;font-size:1.1rem;font-weight:700;padding:10px 18px;margin-top:8px}.big-button:disabled{opacity:.6}.big-button.secondary{background:#e4ecf3;color:var(--color-primary-dark)}.big-button.secondary.active{background:var(--color-primary);color:#fff}.big-button.danger{background:var(--color-danger)}.error-text{color:var(--color-danger);font-weight:600}.error-banner{background:#ffe1d6;color:#7a2b0f;padding:12px 16px;border-radius:var(--radius);margin:8px 16px;font-weight:600}.hint-banner{background:#dff2ea;color:#0f5132;padding:10px 16px;border-radius:var(--radius);margin:8px 16px;font-weight:600}.link-button{background:none;border:none;color:var(--color-primary);font-weight:700;text-decoration:underline;min-height:44px}.app-shell{padding-bottom:40px}.app-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:16px;background:#fff;box-shadow:0 2px 8px #0000000f}.app-header h1{margin:0;color:var(--color-primary);font-size:1.4rem}.app-nav{display:flex;gap:8px;flex-wrap:wrap}.nav-button{min-height:44px;border:none;border-radius:var(--radius);background:#e4ecf3;color:var(--color-primary-dark);font-weight:700;padding:8px 16px}.nav-button.active{background:var(--color-primary);color:#fff}.logout-button{background:#fbe2e2;color:#7a1f1f}.week-nav{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 16px}.week-label{font-weight:700;font-size:1.1rem;display:flex;align-items:center;gap:8px}.pill{background:var(--color-primary);color:#fff;border-radius:999px;padding:2px 10px;font-size:.8rem}.create-activity-button{margin:0 16px 8px}.palette{padding:8px 16px}.palette-title{margin:0 0 4px}.palette-hint{margin:0 0 8px;color:#556}.palette-items{display:flex;gap:8px;flex-wrap:wrap}.palette-item{min-height:44px;min-width:44px;border:none;border-radius:var(--radius);color:#fff;font-weight:700;padding:10px 16px;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.palette-item.selected{outline:4px solid #222}.weekly-grid{display:grid;grid-template-columns:56px repeat(7,minmax(70px,1fr));grid-auto-rows:minmax(48px,auto);gap:2px;padding:8px 16px 40px;overflow-x:auto}.grid-day-header{text-align:center;font-weight:700;padding:6px 0;color:var(--color-primary-dark)}.grid-hour-label{font-size:.8rem;color:#667;display:flex;align-items:center;justify-content:flex-end;padding-right:4px}.grid-cell{min-height:44px;border:1px dashed #d7dee5;border-radius:8px;background:#fff}.grid-cell.drag-over{background:#dff2ea;border-color:var(--color-primary)}.activity-block{border:none;border-radius:10px;color:#fff;font-weight:700;padding:6px 8px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;min-height:44px;overflow:hidden;text-align:left}.activity-block.move-armed{outline:3px dashed white}.activity-block-name{font-size:.85rem;line-height:1.1}.activity-duration{font-size:.75rem;opacity:.9}.detail-duration-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.activity-duration-large{font-size:1.3rem;font-weight:800;min-width:70px;text-align:center}.drag-overlay-chip{background:#333;color:#fff;padding:8px 14px;border-radius:var(--radius);font-weight:700}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal-card{background:#fff;border-radius:var(--radius);padding:24px;width:100%;max-width:420px;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.detail-header{border-radius:var(--radius);padding:12px 16px;color:#fff;margin:-24px -24px 8px}.exercise-list{font-size:1.1rem}.modal-actions{display:flex;gap:8px;margin-top:12px}.color-swatches{display:flex;gap:8px;flex-wrap:wrap}.color-swatch{width:44px;height:44px;border-radius:50%;border:3px solid transparent}.color-swatch.selected{border-color:#222}.kind-choice{display:flex;gap:8px}.celebration-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000026;z-index:60;animation:fade-in .15s ease-out}.celebration-card{background:#fff;border-radius:20px;padding:28px 36px;text-align:center;box-shadow:0 12px 30px #00000040;animation:pop-in .25s ease-out}.celebration-confetti{font-size:2rem;display:block;margin-bottom:8px;animation:wiggle .6s ease-in-out infinite}.celebration-message{font-size:1.4rem;font-weight:800;color:var(--color-primary-dark)}@keyframes pop-in{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes wiggle{0%,to{transform:rotate(-4deg)}50%{transform:rotate(4deg)}}.stats-screen{padding:16px}.stats-cards{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.stats-card{background:#fff;border-radius:var(--radius);padding:16px 20px;min-width:140px;box-shadow:0 4px 12px #0000000f;text-align:center}.stats-value{font-size:2rem;font-weight:800;color:var(--color-primary)}.stats-label{font-weight:700}.stats-sublabel{color:#667;font-size:.85rem}.stats-history{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}.stats-history li{display:flex;justify-content:space-between;background:#fff;border-radius:10px;padding:10px 16px;box-shadow:0 2px 6px #0000000d}