.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border-radius:var(--radius-md);transition:all var(--transition-fast);min-height:var(--touch-target);white-space:nowrap;user-select:none;position:relative;overflow:hidden}.btn::after{content:'';position:absolute;inset:0;background:currentColor;opacity:0;transition:opacity var(--transition-fast)}.btn:active::after{opacity:.1}.btn-primary{background:var(--color-accent);color:var(--color-text-inverse);box-shadow:var(--shadow-subtle)}.btn-primary:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-medium);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-subtle)}.btn-danger{background:var(--color-warning);color:var(--color-text-inverse);box-shadow:var(--shadow-subtle)}.btn-danger:hover{background:#e04545;box-shadow:var(--shadow-medium);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-secondary);color:var(--color-text-primary);border:1.5px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-text-tertiary)}.btn-ghost{background:0 0;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-secondary);color:var(--color-text-primary)}.btn-icon{padding:var(--space-2);border-radius:var(--radius-sm);min-height:var(--touch-target);min-width:var(--touch-target)}.btn-icon svg{width:20px;height:20px}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--font-size-lg);border-radius:var(--radius-lg);min-height:52px}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);min-height:36px}.input-group{display:flex;flex-direction:column;gap:var(--space-2)}.input{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-base);background:var(--color-bg-primary);border:2px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast);min-height:var(--touch-target)}.input:focus{border-color:var(--color-accent);box-shadow:0 0 0 4px var(--color-accent-light)}.input::placeholder{color:var(--color-text-placeholder)}.input-lg{padding:var(--space-4) var(--space-5);font-size:var(--font-size-lg);border-radius:var(--radius-lg);min-height:56px}.input-with-button{display:flex;gap:var(--space-3);align-items:stretch}.input-with-button .input{flex:1}.input-error{border-color:var(--color-warning)}.input-error:focus{box-shadow:0 0 0 4px var(--color-warning-light)}.input-hint{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.input-error-text{font-size:var(--font-size-sm);color:var(--color-warning)}.chip{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);background:var(--color-bg-secondary);border:1.5px solid var(--color-border);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);user-select:none;min-height:36px}.chip:hover{background:var(--color-accent-light);border-color:var(--color-accent);color:var(--color-accent)}.chip-active{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-text-inverse)}.chip-active:hover{background:var(--color-accent-hover);color:var(--color-text-inverse)}.chip svg{width:16px;height:16px}.chip-dismiss{display:inline-flex;margin-left:var(--space-1);opacity:.7;transition:opacity var(--transition-fast)}.chip-dismiss:hover{opacity:1}.card{background:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-medium);padding:var(--space-6)}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-4);animation:fadeIn var(--transition-normal) ease}.modal-card{background:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-elevated);width:100%;max-width:560px;max-height:90dvh;overflow-y:auto;overflow-x:hidden;padding:var(--space-6);animation:slideUp var(--transition-normal) ease;box-sizing:border-box}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-5)}.modal-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold)}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--color-border-light)}@media (max-width:480px){.modal-backdrop{align-items:flex-end;padding:0}.modal-card{max-width:100vw;max-height:95dvh;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:var(--space-4);animation:slideUpMobile var(--transition-normal) ease}}.toast-container{position:fixed;top:var(--space-4);right:var(--space-4);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-2);pointer-events:none}.toast{background:var(--color-text-primary);color:var(--color-text-inverse);padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);box-shadow:var(--shadow-elevated);pointer-events:auto;animation:slideInRight var(--transition-normal) ease;max-width:360px}.toast-success{background:var(--color-success)}.toast-error{background:var(--color-warning)}.toast-exit{animation:fadeOut .2s ease forwards}@media (max-width:480px){.toast-container{top:auto;bottom:var(--space-4);right:var(--space-4);left:var(--space-4)}.toast{max-width:100%}}.spinner{width:20px;height:20px;border:2.5px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}.spinner-sm{width:16px;height:16px;border-width:2px}.spinner-lg{width:32px;height:32px;border-width:3px}.spinner-white{border-color:rgba(255,255,255,.3);border-top-color:#fff}.divider{height:1px;background:var(--color-border-light);margin:var(--space-4) 0}.section-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-3)}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes fadeOut{from{opacity:1}to{opacity:0}}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUpMobile{from{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}@keyframes scaleIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes checkBounce{0%{transform:scale(0)}50%{transform:scale(1.2)}100%{transform:scale(1)}}.diagnostic-modal h3{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin-bottom:var(--space-2)}.diagnostic-help{color:var(--color-text-secondary);font-size:var(--font-size-sm);margin-bottom:var(--space-4)}.diagnostic-list{background:var(--color-bg-secondary);border-radius:var(--radius-md);padding:var(--space-3);max-height:50vh;overflow-y:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.diagnostic-empty{color:var(--color-text-secondary);font-style:italic;text-align:center;padding:var(--space-4) 0;margin:0;font-family:var(--font-family-base)}.diagnostic-row{padding:4px 6px;border-radius:4px;word-break:break-word}.diagnostic-row+.diagnostic-row{margin-top:2px}.diagnostic-error{background:rgba(220,38,38,.08)}.diagnostic-warn{background:rgba(217,119,6,.08)}.diagnostic-time{color:var(--color-text-secondary);margin-right:6px}.diagnostic-level{display:inline-block;text-transform:uppercase;font-weight:600;margin-right:6px}.diagnostic-error .diagnostic-level{color:#dc2626}.diagnostic-warn .diagnostic-level{color:#d97706}.diagnostic-info .diagnostic-level{color:var(--color-text-secondary)}.diagnostic-ctx{display:block;color:var(--color-text-secondary);margin-top:2px;margin-left:12px}