:root,.light-theme{--bg-primary: #f3f4f6;--bg-secondary: #ffffff;--card-bg: rgba(255, 255, 255, .7);--card-border: rgba(0, 0, 0, .08);--text-primary: #111827;--text-secondary: #4b5563;--text-muted: #9ca3af;--input-bg: rgba(255, 255, 255, .9);--input-border: rgba(0, 0, 0, .1);--btn-submit-bg: #3b82f6;--btn-submit-hover: #2563eb;--btn-submit-shadow: rgba(59, 130, 246, .15);--nav-link-color: #4b5563;--nav-link-hover: #111827;--nav-link-active: #3b82f6;--nav-link-active-bg: rgba(59, 130, 246, .08);--card-shadow: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .02)}.dark-theme{--bg-primary: #0b0f19;--bg-secondary: #111827;--card-bg: rgba(17, 24, 39, .45);--card-border: rgba(255, 255, 255, .08);--text-primary: #ffffff;--text-secondary: #9ca3af;--text-muted: #6b7280;--input-bg: rgba(15, 23, 42, .6);--input-border: rgba(255, 255, 255, .08);--btn-submit-bg: #3b82f6;--btn-submit-hover: #2563eb;--btn-submit-shadow: rgba(59, 130, 246, .25);--nav-link-color: #9ca3af;--nav-link-hover: #ffffff;--nav-link-active: #3b82f6;--nav-link-active-bg: rgba(59, 130, 246, .15);--card-shadow: 0 25px 50px -12px rgba(0, 0, 0, .5)}body{margin:0;background-color:var(--bg-primary);color:var(--text-primary);font-family:Inter,sans-serif;transition:background-color .3s ease,color .3s ease}