.app-layout{position:relative;min-height:100vh}.top-actions{position:absolute;top:calc(10px + env(safe-area-inset-top));right:calc(10px + env(safe-area-inset-right));z-index:100;display:flex;gap:8px}.settings-wrapper,.lang-wrapper{position:relative}.lang-btn{background:#fff;border:1px solid #eee;border-radius:16px;height:32px;padding:0 12px;display:flex;align-items:center;gap:4px;cursor:pointer;font-size:.85rem;font-weight:500;color:var(--color-text);box-shadow:0 2px 5px #0000001a;transition:all .2s}.lang-btn:hover{border-color:var(--color-primary)}.lang-btn .arrow{font-size:.6rem;opacity:.5}.lang-menu{width:auto!important;min-width:80px;top:36px}.lang-menu .menu-item{padding:8px 16px;font-size:.85rem;text-align:left}.lang-menu .menu-item.active{background:var(--color-primary);color:#fff}.action-btn{background:#fff;border:1px solid #eee;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;box-shadow:0 2px 5px #0000001a;transition:transform .2s}.action-btn:active{transform:scale(.9)}.dropdown-menu{position:absolute;top:40px;right:0;background:#fff;border-radius:12px;box-shadow:0 4px 12px #00000026;overflow:hidden;width:200px;display:flex;flex-direction:column;animation:slideIn .1s ease-out}.menu-item{background:none;border:none;padding:12px 16px;text-align:left;cursor:pointer;font-size:.9rem;color:var(--color-text);border-bottom:1px solid #f9f9f9}.menu-item:last-child{border-bottom:none}.menu-item:hover{background-color:#f5f5f5;color:var(--color-primary)}.font-size-row{display:flex;flex-direction:column;gap:8px;cursor:default}.font-size-row:hover{background-color:transparent;color:var(--color-text)}.font-size-header{display:flex;justify-content:space-between;align-items:center}.font-size-value{font-size:.8rem;color:var(--color-primary);font-weight:600}.font-slider{width:100%;height:6px;-webkit-appearance:none;appearance:none;background:#eee;border-radius:3px;outline:none}.font-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;background:var(--color-primary);border-radius:50%;cursor:pointer;box-shadow:0 2px 4px #0003}.font-slider::-moz-range-thumb{width:18px;height:18px;background:var(--color-primary);border-radius:50%;cursor:pointer;border:none;box-shadow:0 2px 4px #0003}@keyframes slideIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.fv-card[data-v-0a3afb6b]{background:var(--color-surface);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);transition:transform .2s,box-shadow .2s;overflow:hidden}.is-flat[data-v-0a3afb6b]{box-shadow:none;border:2px solid #EAEAEA}.is-interactive[data-v-0a3afb6b]{cursor:pointer}.is-interactive[data-v-0a3afb6b]:hover{transform:translateY(-2px);box-shadow:var(--shadow-float)}.fv-fab[data-v-9955c9d8]{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background-color:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-float);transition:transform .2s;z-index:100}.fv-fab[data-v-9955c9d8]:active{transform:scale(.9)}.fv-button[data-v-1475d156]{padding:12px 24px;font-size:1rem;font-weight:700;border-radius:99px;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.fv-button[data-v-1475d156]:active:not(:disabled){transform:scale(.96)}.fv-button[data-v-1475d156]:disabled{opacity:.5;cursor:not-allowed}.is-block[data-v-1475d156]{width:100%;display:flex}.variant-primary[data-v-1475d156]{background-color:var(--color-primary);color:#fff}.variant-secondary[data-v-1475d156]{background-color:var(--color-secondary);color:#fff}.variant-outline[data-v-1475d156]{background-color:transparent;border:2px solid var(--color-primary);color:var(--color-primary)}.variant-ghost[data-v-1475d156]{background-color:transparent;color:var(--color-text)}.variant-success[data-v-1475d156]{background-color:var(--color-success);color:#005a4a}.variant-warning[data-v-1475d156]{background-color:var(--color-warning);color:#5a4a00}.variant-info[data-v-1475d156]{background-color:var(--color-info);color:#004a5a}.fv-dialog-backdrop[data-v-0f0c3012]{position:fixed;inset:0;background-color:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;box-sizing:border-box;display:flex;align-items:center;justify-content:center;padding:24px}.fv-dialog-content[data-v-0f0c3012]{background:#fff;width:100%;max-width:400px;max-height:90vh;overflow-y:auto;box-sizing:border-box;border-radius:var(--radius-lg);box-shadow:var(--shadow-float);padding:24px;animation:popIn-0f0c3012 .2s cubic-bezier(.34,1.56,.64,1)}.dialog-title[data-v-0f0c3012]{margin-top:0;margin-bottom:16px;text-align:center;color:var(--color-primary-dark)}.dialog-body[data-v-0f0c3012]{margin-bottom:24px}.dialog-footer[data-v-0f0c3012]{display:flex;justify-content:flex-end;gap:12px}@keyframes popIn-0f0c3012{0%{opacity:0;transform:scale(.9) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.fv-input-group[data-v-42ca1d8e]{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}label[data-v-42ca1d8e]{font-weight:700;font-size:.9rem;color:var(--color-text);margin-left:4px}.fv-input[data-v-42ca1d8e]{width:100%;padding:16px;border:2px solid #EAEAEA;border-radius:var(--radius-md);font-size:1rem;font-family:inherit;transition:border-color .2s;background:#fff;box-sizing:border-box}.fv-input[data-v-42ca1d8e]:focus{outline:none;border-color:var(--color-primary)}.header[data-v-c80910e0]{margin-bottom:24px}.subtitle[data-v-c80910e0]{color:var(--color-text-light);margin-top:-10px}.empty-state[data-v-c80910e0]{text-align:center;padding:40px;opacity:.6}.empty-icon[data-v-c80910e0]{font-size:48px;margin-bottom:16px}.deck-grid[data-v-c80910e0]{display:flex;flex-direction:column;gap:16px}.deck-content[data-v-c80910e0]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.stats[data-v-c80910e0]{display:flex;gap:8px}.badge[data-v-c80910e0]{padding:4px 8px;border-radius:6px;font-size:.8rem;font-weight:700}.badge.due[data-v-c80910e0]{background:var(--color-secondary);color:#fff}.badge.total[data-v-c80910e0]{background:#eaeaea;color:var(--color-text-light)}.deck-actions[data-v-c80910e0]{display:flex;justify-content:flex-end;border-top:1px solid #f0f0f0;padding-top:12px;gap:8px}.text-danger[data-v-c80910e0]{color:var(--color-secondary)}.header-actions[data-v-9820d7c2]{margin-bottom:20px;margin-left:-12px}.form-container[data-v-9820d7c2]{display:flex;flex-direction:column;gap:16px;max-width:500px;margin:0 auto}.study-container[data-v-93d91fcc]{height:100vh;display:flex;flex-direction:column;background-color:#f0f4f8}.top-bar[data-v-93d91fcc]{padding:16px;padding-top:calc(16px + env(safe-area-inset-top));padding-right:calc(150px + env(safe-area-inset-right));display:flex;justify-content:space-between;align-items:center;color:var(--color-text-light)}.close-btn[data-v-93d91fcc]{background:none;font-size:1.5rem;color:var(--color-text);padding:8px}.card-area[data-v-93d91fcc]{flex:1;padding:20px;display:flex;justify-content:center;align-items:center}.flashcard[data-v-93d91fcc]{width:100%;max-width:400px;min-height:300px;display:flex;flex-direction:column;justify-content:center;position:relative}.card-content[data-v-93d91fcc]{padding:10px;text-align:center;font-size:1.25rem}.divider[data-v-93d91fcc]{width:100%;border:none;border-top:2px dashed #f0f0f0;margin:20px 0}.controls[data-v-93d91fcc]{padding:24px;padding-bottom:calc(24px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #eee}.show-btn[data-v-93d91fcc]{height:64px;font-size:1.2rem}.grading-grid[data-v-93d91fcc]{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:8px}.grade-col[data-v-93d91fcc]{display:flex;flex-direction:column;align-items:center;gap:4px}.sub-text[data-v-93d91fcc]{font-size:.75rem;color:var(--color-text-light)}.finished-state[data-v-93d91fcc]{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:40px;text-align:center}:root{--color-primary: #4ECDC4;--color-primary-dark: #3DBEB6;--color-secondary: #FF6B6B;--color-secondary-dark: #EE5A5A;--color-success: #95E1D3;--color-warning: #FCE38A;--color-info: #A8D8EA;--color-bg: #F7FFF7;--color-surface: #FFFFFF;--color-text: #292F36;--color-text-light: #888888;--font-main: "Rounded Mplus 1c", "Varela Round", "Nunito", sans-serif;--radius-lg: 24px;--radius-md: 16px;--radius-sm: 8px;--shadow-card: 0 4px 12px rgba(0, 0, 0, .05);--shadow-float: 0 8px 16px rgba(0, 0, 0, .1)}body{margin:0;font-family:var(--font-main);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}#app{max-width:600px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative;background-color:var(--color-bg);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.page-container{padding:20px;padding-top:calc(60px + env(safe-area-inset-top));padding-bottom:calc(20px + env(safe-area-inset-bottom));flex:1}.text-center{text-align:center}.w-full{width:100%}.flex-center{display:flex;justify-content:center;align-items:center}h1,h2,h3{margin-top:0;color:var(--color-text);font-weight:700}button{cursor:pointer;border:none;font-family:inherit}