._container_hbk3g_1{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-4)}@media(min-width:640px){._container_hbk3g_1{padding:var(--space-8)}}._card_hbk3g_16{width:100%;max-width:420px;display:flex;flex-direction:column;background-color:var(--color-surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border-light)}@media(min-width:640px){._card_hbk3g_16{max-width:460px}}._card_189ex_1{align-items:center;padding:var(--space-12) var(--space-8);gap:var(--space-6)}._title_189ex_7{font-family:var(--font-display);font-size:var(--font-size-2xl);font-weight:600;color:var(--color-text);letter-spacing:-.02em}._tagline_189ex_15{font-size:var(--font-size-base);color:var(--color-text-secondary);text-align:center;line-height:1.5}._signInButton_189ex_22{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);margin-top:var(--space-2);padding:var(--space-3) var(--space-6);background-color:var(--color-primary);border:0;color:#fff;cursor:pointer;font-family:inherit;font-size:var(--font-size-base);font-weight:500;border-radius:var(--radius-md);text-decoration:none;transition:background-color var(--transition-fast),box-shadow var(--transition-fast)}._signInButton_189ex_22:hover{background-color:var(--color-primary-hover)}._signInButton_189ex_22:active{background-color:var(--color-primary-active)}._signInButton_189ex_22:disabled{cursor:wait;opacity:.72}._errorMessage_189ex_56{margin:0;color:var(--color-error);font-size:var(--font-size-sm);line-height:1.4;text-align:center}._outlineButton_19pfv_1{padding:var(--space-2) var(--space-3);border:1px solid var(--color-border-light);border-radius:var(--radius-sm);color:var(--color-primary);font-size:var(--font-size-xs);font-weight:600;line-height:1;transition:border-color var(--transition-fast),color var(--transition-fast),opacity var(--transition-fast)}._outlineButton_19pfv_1:hover:not(:disabled){border-color:var(--color-primary)}._outlineButton_19pfv_1:disabled{cursor:default;opacity:.45}._card_1moo5_1{overflow:clip;max-height:calc(100dvh - 2 * var(--space-4))}._header_1moo5_6{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border-light)}._headerDot_1moo5_14{width:8px;height:8px;border-radius:var(--radius-full);background-color:var(--color-primary);flex-shrink:0;opacity:.7}._headerDotActive_1moo5_23{opacity:1;animation:_dotPulse_1moo5_1 2s ease-in-out infinite}@keyframes _dotPulse_1moo5_1{0%,to{opacity:1}50%{opacity:.4}}._backButton_1moo5_38{font-size:var(--font-size-xl);color:var(--color-primary);line-height:1;padding:0 var(--space-1);transition:opacity var(--transition-fast)}._backButton_1moo5_38:hover{opacity:.7}._title_1moo5_50{font-family:var(--font-display);font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);letter-spacing:0;min-width:0}._headerActions_1moo5_59{margin-left:auto;display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}._subtitle_1moo5_67{font-size:var(--font-size-xs);color:var(--color-text-muted);letter-spacing:0;text-transform:uppercase;font-weight:500}._exportError_1moo5_75{margin:0;padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--color-error-border);background-color:var(--color-error-bg);color:var(--color-error);font-size:var(--font-size-sm);line-height:1.4}._body_1moo5_85{flex:1;display:flex;flex-direction:column;min-height:0}@media(max-width:480px){._subtitle_1moo5_67{display:none}}@media(min-width:640px){._card_1moo5_1{max-height:calc(100dvh - 2 * var(--space-8))}}._container_7l42o_1{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12) var(--space-8);gap:var(--space-5)}._spinner_7l42o_10{width:28px;height:28px;border:2.5px solid var(--color-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:_spin_7l42o_10 .9s linear infinite}@keyframes _spin_7l42o_10{to{transform:rotate(360deg)}}._status_7l42o_25{color:var(--color-text-muted);font-size:var(--font-size-sm);text-align:center;letter-spacing:.01em}._container_jlhh8_1{width:100%;aspect-ratio:16 / 10;flex-shrink:0;background-color:var(--color-avatar-bg);overflow:hidden;position:relative}._riveAvatar_jlhh8_10{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}._riveAvatar_jlhh8_10 canvas{width:100%;height:100%;display:block}._container_jlhh8_1:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;background:radial-gradient(ellipse at center,transparent 50%,rgba(0,0,0,.15) 100%)}._container_xtxgu_1{width:100%;display:flex;flex-direction:column;flex:1;min-height:0}._controls_xtxgu_11{display:flex;align-items:center;justify-content:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);background-color:var(--color-surface);border-bottom:1px solid var(--color-border-light)}._controlButton_xtxgu_21{width:48px;height:48px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}._controlButton_xtxgu_21:active:not(:disabled){transform:scale(.93)}._buttonStart_xtxgu_38{background-color:var(--color-primary);color:#fff;box-shadow:0 2px 8px #3d6b5e4d,0 0 #3d6b5e00}._buttonStart_xtxgu_38:hover{background-color:var(--color-primary-hover);box-shadow:0 3px 12px #3d6b5e59,0 0 0 3px #3d6b5e14}._buttonStop_xtxgu_53{background-color:var(--color-recording);color:#fff;box-shadow:0 2px 8px #c4453a4d;animation:_recording_xtxgu_1 2s ease-in-out infinite}._buttonStop_xtxgu_53:hover:not(:disabled){background-color:var(--color-recording-hover)}._buttonStop_xtxgu_53:disabled{opacity:.5;animation:none}@keyframes _recording_xtxgu_1{0%,to{box-shadow:0 2px 8px #c4453a4d}50%{box-shadow:0 2px 12px #c4453a66,0 0 0 6px #c4453a14}}._iconMic_xtxgu_83{width:20px;height:20px}._statusLabel_xtxgu_90{font-size:var(--font-size-xs);color:var(--color-text-muted);letter-spacing:.03em;text-transform:uppercase;font-weight:500;-webkit-user-select:none;user-select:none}._statusLabelRecording_xtxgu_99{color:var(--color-recording)}._messageList_xtxgu_105{flex:1;overflow-y:auto;padding:var(--space-4) var(--space-5);display:flex;flex-direction:column;gap:var(--space-3)}._message_xtxgu_105{max-width:85%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md)}._messageUser_xtxgu_120{align-self:flex-end;background-color:var(--color-primary);color:#fff}._messageTutor_xtxgu_126{align-self:flex-start;background-color:var(--color-surface-raised);border:1px solid var(--color-border-light);color:var(--color-text)}._messageText_xtxgu_133{font-family:var(--font-display);font-size:var(--font-size-md);line-height:1.55}._messageTime_xtxgu_139{font-size:var(--font-size-xs);margin-top:var(--space-1);opacity:.6}._messageUser_xtxgu_120 ._messageTime_xtxgu_139{text-align:right}._error_xtxgu_151{margin:var(--space-4) var(--space-5);padding:var(--space-3) var(--space-4);background-color:var(--color-error-bg);border:1px solid var(--color-error-border);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);text-align:center}._emptyState_xtxgu_164{padding:var(--space-8) var(--space-5);text-align:center}._emptyStateText_xtxgu_169{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:1.5}._container_2yrwi_1{width:100%;display:flex;flex-direction:column;flex:1;min-height:0}._errorBox_am0d5_1{margin:var(--space-4) var(--space-5);padding:var(--space-3) var(--space-4);background-color:var(--color-error-bg);border:1px solid var(--color-error-border);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);text-align:center}._lessonCard_456bz_1{background:transparent;border:1px solid var(--color-text);border-radius:.25rem;padding:1rem 2rem}._lessonCard_456bz_1:hover{background:color-mix(in srgb,var(--color-text) 5%,transparent)}._lessonCard_456bz_1:active{background:color-mix(in srgb,var(--color-text) 10%,transparent)}._lessonTitle_456bz_16{color:var(--color-text);font-family:var(--font-body);font-size:var(--font-size-md);font-weight:600}._lessonDescription_456bz_23{color:color-mix(in srgb,var(--color-text) 70%,transparent);font-family:var(--font-body);font-size:var(--font-size-sm);font-weight:600}._card_nd48v_1{overflow:hidden}._container_nd48v_5{width:100%;display:flex;flex-direction:column}._header_nd48v_11{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border-light)}._title_nd48v_19{font-family:var(--font-display);font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);letter-spacing:-.01em}._loading_nd48v_27{padding:var(--space-8) var(--space-5);text-align:center;font-size:var(--font-size-sm);color:var(--color-text-muted)}._lessonCard_nd48v_34{margin:var(--space-6) var(--space-8)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-background: #f5f0eb;--color-surface: #fffbf7;--color-surface-raised: #ffffff;--color-primary: #3d6b5e;--color-primary-hover: #345c51;--color-primary-active: #2b4d43;--color-primary-subtle: rgba(61, 107, 94, .08);--color-text: #2c2825;--color-text-secondary: #6b6460;--color-text-muted: #9b9490;--color-error: #c4453a;--color-error-bg: #fdf0ee;--color-error-border: #f0ccc8;--color-border: #e4ddd7;--color-border-light: #ede8e3;--color-recording: #c4453a;--color-recording-hover: #a83a30;--color-avatar-bg: #1e2127;--color-avatar-wave: #7eb8a8;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--font-display: "Source Serif 4", "Georgia", serif;--font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: .9375rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.375rem;--font-size-2xl: 1.75rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(44, 40, 37, .06);--shadow-md: 0 2px 4px rgba(44, 40, 37, .04), 0 4px 12px rgba(44, 40, 37, .06);--shadow-lg: 0 4px 8px rgba(44, 40, 37, .04), 0 8px 24px rgba(44, 40, 37, .08);--shadow-avatar: 0 2px 8px rgba(0, 0, 0, .12), 0 0 0 1px rgba(0, 0, 0, .04);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .35s cubic-bezier(.4, 0, .2, 1)}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:var(--font-size-base);line-height:1.5;color:var(--color-text);background-color:var(--color-background);min-height:100dvh}#root{min-height:100dvh}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}button:disabled{cursor:not-allowed}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600}