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126, 234;--color-primary-hover: #5a6fd8;--color-primary-active: #4c5cc7;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-primary-hover: linear-gradient(135deg, #5a6fd8 0%, #6a3f8e 100%);--color-success: #10b981;--color-success-dark: #059669;--color-success-rgb: 16, 185, 129;--color-warning: #f59e0b;--color-warning-dark: #d97706;--color-warning-rgb: 245, 158, 11;--color-danger: #ef4444;--color-danger-dark: #dc2626;--color-danger-rgb: 239, 68, 68;--color-info: #3b82f6;--color-info-rgb: 59, 130, 246;--color-text-primary: #1f2937;--color-text-regular: #374151;--color-text-secondary: #6b7280;--color-text-placeholder: #9ca3af;--color-text-disabled: #d1d5db;--color-text-inverse: #ffffff;--color-bg-base: #ffffff;--color-bg-soft: #f8fafc;--color-bg-mute: #f1f5f9;--color-bg-overlay: rgba(15, 23, 42, .5);--color-border-light: #e5e7eb;--color-border-base: #d1d5db;--color-border-dark: #9ca3af;--color-border-focus: #667eea;--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;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 20px;--radius-full: 25px;--radius-circle: 50%;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 25px rgba(0, 0, 0, .12);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .15);--shadow-2xl: 0 20px 60px rgba(0, 0, 0, .15);--shadow-primary: 0 4px 12px rgba(var(--color-primary-rgb), .4);--shadow-primary-hover: 0 8px 20px rgba(var(--color-primary-rgb), .6);--shadow-success: 0 4px 12px rgba(var(--color-success-rgb), .4);--shadow-danger: 0 4px 12px rgba(var(--color-danger-rgb), .4);--focus-ring-primary: 0 0 0 3px rgba(var(--color-primary-rgb), .1);--focus-ring-info: 0 0 0 3px rgba(var(--color-info-rgb), .1);--font-family-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-family-mono: "Courier New", "Consolas", "Monaco", monospace;--font-size-xs: 12px;--font-size-sm: 13px;--font-size-base: 14px;--font-size-md: 15px;--font-size-lg: 16px;--font-size-xl: 18px;--font-size-2xl: 20px;--font-size-3xl: 24px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-base: 1.5;--line-height-relaxed: 1.6;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--transition-exit: .2s cubic-bezier(1, .5, .8, 1);--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-overlay: 2000;--z-modal: 2001;--z-popover: 3000;--z-tooltip: 4000}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUpScale{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes shimmer{0%,to{background-position:200% 0}50%{background-position:-200% 0}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(5deg)}}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border:none;border-radius:var(--radius-lg, 12px);cursor:pointer;font-weight:var(--font-weight-medium, 500);font-size:var(--font-size-base, 14px);font-family:var(--font-family-sans, inherit);line-height:1.5;text-decoration:none;transition:transform var(--transition-base, .3s cubic-bezier(.4, 0, .2, 1)),box-shadow var(--transition-base, .3s cubic-bezier(.4, 0, .2, 1)),background var(--transition-base, .3s cubic-bezier(.4, 0, .2, 1));-webkit-user-select:none;user-select:none;white-space:nowrap}.btn:focus-visible{outline:none;box-shadow:var(--focus-ring-primary, 0 0 0 3px rgba(102, 126, 234, .1))}.btn-primary{background:var(--gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));color:var(--color-text-inverse, #fff);box-shadow:var(--shadow-primary, 0 4px 12px rgba(102, 126, 234, .4))}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-primary-hover, 0 8px 20px rgba(102, 126, 234, .6))}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-success{background:linear-gradient(135deg,var(--color-success, #10b981) 0%,var(--color-success-dark, #059669) 100%);color:var(--color-text-inverse, #fff);box-shadow:var(--shadow-success, 0 4px 12px rgba(16, 185, 129, .4))}.btn-success:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #10b98199}.btn-warning{background:linear-gradient(135deg,var(--color-warning, #f59e0b) 0%,var(--color-warning-dark, #d97706) 100%);color:var(--color-text-inverse, #fff);box-shadow:0 4px 12px #f59e0b66}.btn-warning:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #f59e0b99}.btn-danger{background:linear-gradient(135deg,var(--color-danger, #ef4444) 0%,var(--color-danger-dark, #dc2626) 100%);color:var(--color-text-inverse, #fff);box-shadow:var(--shadow-danger, 0 4px 12px rgba(239, 68, 68, .4))}.btn-danger:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #ef444499}.btn-secondary{background:var(--color-bg-mute, #f1f5f9);color:var(--color-text-regular, #374151);box-shadow:var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, .08))}.btn-secondary:hover:not(:disabled){transform:translateY(-2px);background:var(--color-bg-soft, #f8fafc);box-shadow:var(--shadow-md, 0 4px 12px rgba(0, 0, 0, .1))}.btn-ghost{background:transparent;color:var(--color-primary, #667eea);box-shadow:none}.btn-ghost:hover:not(:disabled){background:rgba(var(--color-primary-rgb, 102, 126, 234),.08);transform:translateY(-2px)}.btn:disabled,.btn-disabled{background:linear-gradient(135deg,#cbd5e1,#94a3b8);color:var(--color-text-inverse, #fff);cursor:not-allowed;transform:none;box-shadow:none;opacity:.7}.btn-sm{padding:8px 16px;font-size:var(--font-size-sm, 13px);border-radius:var(--radius-md, 10px)}.btn-lg{padding:14px 32px;font-size:var(--font-size-lg, 16px);border-radius:var(--radius-xl, 16px)}.btn-block{display:flex;width:100%}.form-container{display:flex;flex-direction:column;gap:var(--space-4, 16px)}.form-group{display:flex;flex-direction:column;gap:var(--space-2, 8px)}.form-label{font-size:var(--font-size-base, 14px);font-weight:var(--font-weight-medium, 500);color:var(--color-text-regular, #374151);font-family:var(--font-family-sans, inherit)}.form-required{color:var(--color-danger, #ef4444);margin-left:2px}.form-input{width:100%;padding:12px 16px;border:2px solid var(--color-border-light, #e5e7eb);border-radius:var(--radius-lg, 12px);font-size:var(--font-size-base, 14px);font-family:var(--font-family-sans, inherit);color:var(--color-text-primary, #1f2937);background:var(--color-bg-base, #fff);box-shadow:var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, .08));transition:border-color var(--transition-base, .3s cubic-bezier(.4, 0, .2, 1)),box-shadow var(--transition-base, .3s cubic-bezier(.4, 0, .2, 1));outline:none}.form-input::placeholder{color:var(--color-text-placeholder, #9ca3af)}.form-input:hover{border-color:var(--color-border-dark, #9ca3af)}.form-input:focus{border-color:var(--color-primary, #667eea);box-shadow:var(--focus-ring-primary, 0 0 0 3px rgba(102, 126, 234, .1))}.form-input:disabled{background:var(--color-bg-mute, #f1f5f9);color:var(--color-text-disabled, #d1d5db);cursor:not-allowed}.form-textarea{min-height:80px;resize:vertical;font-family:var(--font-family-sans, inherit)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L2 4h8z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px;cursor:pointer}.form-error{color:var(--color-danger, #ef4444);font-size:var(--font-size-sm, 13px);margin-top:var(--space-1, 4px)}.form-row{display:flex;align-items:center;gap:var(--space-3, 12px)}.form-row .form-label{min-width:80px;flex-shrink:0}@media (max-width: 768px){.form-row{flex-direction:column;align-items:stretch}.form-row .form-label{min-width:auto}}