.spaced-rep-wrapper{--sr-bg-light:#f5f8ff;--sr-card-bg:#ffffff;--sr-border-color:#e2e8f0;--sr-text-primary:#0f172a;--sr-text-secondary:#475569;--sr-accent-blue:#2563eb;--sr-accent-purple:#7c3aed;--sr-status-due:#ef4444;--sr-status-due-bg:#fef2f2;--sr-status-today:#f59e0b;--sr-status-today-bg:#fffbeb;--sr-status-safe:#10b981;--sr-status-safe-bg:#ecfdf5;--sr-status-mastered:#7c3aed;--sr-status-mastered-bg:#f5f3ff;width:100%;display:flex;align-items:center;justify-content:center;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;box-sizing:border-box}.spaced-rep{width:100%;max-width:640px;color:var(--sr-text-primary)}.spaced-rep *{box-sizing:border-box;max-width:100%}.sr-header{text-align:center;margin-bottom:28px}.sr-title{font-size:2.2rem;background:linear-gradient(135deg,var(--sr-accent-blue) 0%,var(--sr-accent-purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;margin:0 0 8px 0;font-weight:800;letter-spacing:-.5px}.sr-subtitle{color:var(--sr-text-secondary);margin:0;font-size:.95rem;line-height:1.5}.sr-card{border:1px solid var(--sr-border-color);border-radius:20px;padding:18px 8px;background:radial-gradient(circle at 10% 20%,rgb(37 99 235 / .05) 0%,transparent 50%),radial-gradient(circle at 90% 80%,rgb(124 58 237 / .05) 0%,transparent 50%),#f8fafc}.sr-form{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:12px;margin-bottom:24px;align-items:flex-end}@media (max-width:520px){.sr-form{grid-template-columns:1fr;gap:14px}}.sr-form-group{display:flex;flex-direction:column;gap:6px}.sr-form-group label{font-size:.75rem;font-weight:700;color:var(--sr-text-secondary);text-transform:uppercase;letter-spacing:.75px}.spaced-rep-wrapper input,.spaced-rep-wrapper select{width:100%;padding:10px 14px;border:1px solid var(--sr-border-color);border-radius:10px;font-size:.9rem;font-weight:600;color:var(--sr-text-primary);background:#f8fafc;outline:none;transition:all 0.25s ease}.spaced-rep-wrapper input:focus,.spaced-rep-wrapper select:focus{border-color:var(--sr-accent-blue);background:#fff;box-shadow:0 0 0 3px rgb(37 99 235 / .15)}.spaced-rep-wrapper .sr-add-btn{background:linear-gradient(135deg,var(--sr-accent-blue) 0%,var(--sr-accent-purple) 100%)!important;color:#ffffff!important;border:none!important;padding:12px!important;border-radius:10px!important;font-size:0.9rem!important;font-weight:700!important;cursor:pointer!important;transition:all 0.2s!important;width:100%!important;margin-top:6px!important;box-shadow:0 4px 12px rgb(37 99 235 / .15)!important;text-transform:none!important;letter-spacing:normal!important}.spaced-rep-wrapper .sr-add-btn:hover{opacity:0.95!important;transform:translateY(-1px)!important}.sr-list-title{font-size:.8rem;font-weight:800;color:var(--sr-text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.sr-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;max-height:480px;overflow-y:auto;padding:10px 10px 50px 10px;background:#e6e5d8}.sr-item{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--sr-border-color);padding:14px 18px;border-radius:14px;transition:transform 0.2s,box-shadow 0.2s,z-index 0.1s;position:relative;gap:16px;z-index:1}.sr-item:hover{transform:translateY(-1px)}.sr-item.sr-item-active{z-index:100!important}.sr-item.sr-border-overdue{border-left:4px solid var(--sr-status-due)}.sr-item.sr-border-today{border-left:4px solid var(--sr-status-today)}.sr-item.sr-border-on-track{border-left:4px solid var(--sr-status-safe)}.sr-item.sr-border-mastered{border-left:4px solid var(--sr-status-mastered)}.sr-item-left{display:grid;grid-template-columns:auto auto;gap:6px 10px;align-items:center;justify-content:start;flex:1;min-width:0}.sr-item-name{grid-column:1 / -1;font-weight:700;font-size:1.05rem;color:var(--sr-text-primary);word-break:break-word}.sr-item-meta{font-size:.8rem;color:var(--sr-text-secondary);font-weight:600;white-space:nowrap}.sr-badge{justify-self:start}.sr-item-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}.sr-item-status-row{display:flex;align-items:center;justify-content:flex-end}.sr-note-indicator{font-size:.7rem;color:var(--sr-accent-blue);cursor:pointer;display:inline-flex;align-items:center;gap:2px;font-weight:700;background:var(--sr-bg-light);border:1px solid rgb(37 99 235 / .15);padding:3px 8px;border-radius:6px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;user-select:none}.sr-note-indicator:hover{background:#e0ebff}.sr-badge{padding:3px 8px;border-radius:30px;font-size:.65rem;font-weight:800;text-transform:uppercase;letter-spacing:.75px;text-align:center;width:fit-content;white-space:nowrap}.sr-badge-overdue{background:var(--sr-status-due-bg);color:var(--sr-status-due);border:1px solid rgb(239 68 68 / .15)}.sr-badge-today{background:var(--sr-status-today-bg);color:var(--sr-status-today);border:1px solid rgb(245 158 11 / .15)}.sr-badge-on-track{background:var(--sr-status-safe-bg);color:var(--sr-status-safe);border:1px solid rgb(16 185 129 / .15)}.sr-badge-mastered{background:var(--sr-status-mastered-bg);color:var(--sr-status-mastered);border:1px solid rgb(124 58 237 / .15)}.sr-item-actions{display:flex;gap:6px;align-items:center;justify-content:flex-end}.spaced-rep-wrapper button.sr-action-btn{border:none!important;cursor:pointer!important;width:32px!important;height:32px!important;border-radius:8px!important;display:flex!important;align-items:center!important;justify-content:center!important;transition:background 0.2s,color 0.2s!important;font-size:0.95rem!important;font-weight:700!important;background:#f1f5f9!important;color:var(--sr-text-secondary)!important;box-shadow:none!important;padding:0!important;text-transform:none!important;letter-spacing:normal!important}.spaced-rep-wrapper button.sr-action-btn:hover:not(:disabled){background:#e2e8f0!important;color:var(--sr-text-primary)!important}.spaced-rep-wrapper button.sr-action-btn:disabled{opacity:0.35!important;cursor:not-allowed!important}.spaced-rep-wrapper button.sr-action-btn.sr-btn-reviewed{background:var(--sr-status-safe-bg)!important;color:var(--sr-status-safe)!important}.spaced-rep-wrapper button.sr-action-btn.sr-btn-reviewed:hover:not(:disabled){background:#d1fae5!important}.sr-dropdown-container{position:relative}.sr-dropdown-menu{position:absolute;right:0;top:100%;margin-top:4px;background:#fff;border:1px solid var(--sr-border-color);border-radius:8px;box-shadow:0 10px 15px -3px rgb(0 0 0 / .1),0 4px 6px -2px rgb(0 0 0 / .05);z-index:200;min-width:120px;display:none;flex-direction:column;overflow:hidden;padding:4px 0}.sr-dropdown-menu.show{display:flex}.sr-dropdown-item{background:none!important;border:none!important;padding:8px 12px!important;font-size:0.8rem!important;text-align:left!important;font-weight:600!important;color:var(--sr-text-primary)!important;cursor:pointer!important;width:100%!important;transition:background 0.15s!important;text-transform:none!important;letter-spacing:normal!important}.sr-dropdown-item:hover{background:#f1f5f9!important}.sr-dropdown-item.delete{color:var(--sr-status-due)!important}.sr-dropdown-item.delete:hover{background:#fef2f2!important}.spaced-rep-wrapper .sr-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgb(15 23 42 / .4);backdrop-filter:blur(2px);display:none;align-items:center;justify-content:center;z-index:99999;padding:16px}.spaced-rep-wrapper .sr-modal-overlay.show{display:flex}.spaced-rep-wrapper .sr-modal{background:#fff;border-radius:16px;width:100%;max-width:440px;padding:20px;box-shadow:0 20px 25px -5px rgb(0 0 0 / .1),0 10px 10px -5px rgb(0 0 0 / .04);border:1px solid var(--sr-border-color);display:flex;flex-direction:column;gap:12px}.spaced-rep-wrapper .sr-modal-title{font-size:1.1rem;font-weight:700;color:var(--sr-text-primary);margin:0}.spaced-rep-wrapper .sr-modal-textarea{width:100%;height:120px;padding:10px;border:1px solid var(--sr-border-color);border-radius:8px;font-size:.9rem;resize:none;outline:none;font-family:inherit;color:var(--sr-text-primary);background:#fff}.spaced-rep-wrapper .sr-modal-textarea:focus{border-color:var(--sr-accent-blue);box-shadow:0 0 0 3px rgb(37 99 235 / .15)}.spaced-rep-wrapper .sr-modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.spaced-rep-wrapper .sr-modal-btn{padding:8px 14px!important;border-radius:8px!important;font-size:0.85rem!important;font-weight:700!important;cursor:pointer!important;border:none!important;transition:background 0.15s!important;box-shadow:none!important;text-transform:none!important;letter-spacing:normal!important}.spaced-rep-wrapper .sr-modal-btn-cancel{background:#f1f5f9!important;color:var(--sr-text-secondary)!important}.spaced-rep-wrapper .sr-modal-btn-cancel:hover{background:#e2e8f0!important}.spaced-rep-wrapper .sr-modal-btn-save{background:var(--sr-accent-blue)!important;color:#ffffff!important;border:1px solid var(--sr-accent-blue)!important;box-shadow:0 4px 12px rgb(37 99 235 / .15)!important}.spaced-rep-wrapper .sr-modal-btn-save:hover{background:#1d4ed8!important;border-color:#1d4ed8!important}.sr-empty-state{text-align:center;padding:30px;background:#f8fafc;border:1px dashed var(--sr-border-color);border-radius:12px;color:var(--sr-text-secondary);font-size:.9rem;font-weight:500}.sr-summary-bar{background:#f5f8ff;border:1px solid rgb(37 99 235 / .12);border-radius:16px;padding:10px;display:flex;justify-content:space-around;text-align:center;margin-bottom:10px}.sr-metric{display:flex;flex-direction:column}.sr-metric-val{font-size:1.25rem;font-weight:800;color:var(--sr-accent-blue)}.sr-metric-lbl{font-size:.65rem;font-weight:700;color:var(--sr-text-secondary);text-transform:uppercase;letter-spacing:.5px}@media (max-width:520px){.sr-item{flex-direction:column;align-items:stretch;gap:12px;padding:10px 6px}.sr-item-left{width:100%}.sr-item-right{width:100%;flex-direction:row;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--sr-border-color);padding-top:10px}.sr-item-status-row{justify-content:flex-start}.sr-item-actions{justify-content:flex-end}}