:root{--primary-color: #4a90e2;--secondary-color: #16a085;--accent-color: #f59e0b;--danger-color: #e91e63;--font-family: "Liberation Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;--font-family-display: "Dancing Script", "Satisfy", cursive;--font-family-mono: "JetBrains Mono", "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;--border-radius: 12px;--box-shadow: 0 4px 12px rgba(0, 0, 0, .08);--background-color: #f4f7f9;--surface-color: #ffffff;--subtle-bg-color: #f9fafb;--text-color: #000000;--light-text-color: #888888;--user-message-bg: #e1f5fe;--model-message-bg: #f1f3f4;--border-color: #e0e0e0;--hover-color: #f0f0f0;--code-bg-color: #e9ecef;--surface-transparent-color: rgba(255, 255, 255, .7);--weakness-hunter-bg: #fffbeb;--weakness-hunter-border: #fde68a;--weakness-hunter-text: #b45309;--weakness-hunter-header: #92400e;--weakness-hunter-button: #f59e0b;--weakness-hunter-button-hover: 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1.5rem;border:none;background-color:var(--primary-color);color:#fff;border-radius:var(--border-radius);font-family:var(--font-family);font-size:1.1rem;font-weight:600;cursor:pointer;transition:background-color .2s ease}.timeline-input-area button:hover:not(:disabled){background-color:#3a7ac8}.timeline-input-area button:disabled{background-color:#a0c3ed;cursor:not-allowed}.timeline-result-area{min-height:200px;display:flex;justify-content:center;align-items:center;padding-top:1rem}.placeholder-text{color:var(--light-text-color);font-style:italic;text-align:center}.timeline-container{position:relative;width:100%;padding:1rem 0;margin-top:1rem}.timeline-container h2{text-align:center;margin-bottom:2rem;font-size:1.5rem}.timeline-container:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:3px;height:100%;background-color:var(--border-color)}.timeline-item{padding:10px 40px;position:relative;width:50%}.timeline-item:nth-child(odd){left:0;text-align:right}.timeline-item:nth-child(2n){left:50%;text-align:left}.timeline-dot{content:"";position:absolute;width:15px;height:15px;border-radius:50%;background-color:var(--surface-color);border:3px solid var(--primary-color);top:25px;z-index:1}.timeline-item:nth-child(odd) .timeline-dot{right:-7.5px}.timeline-item:nth-child(2n) .timeline-dot{left:-7.5px}.timeline-content{padding:1rem;background-color:var(--subtle-bg-color);border-radius:var(--border-radius);position:relative}.timeline-year{font-size:1.2rem;font-weight:700;color:var(--primary-color);margin-bottom:.5rem;display:inline-block}.timeline-title{font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.timeline-description{font-size:.95rem;color:var(--light-text-color);line-height:1.5}@media (max-width: 768px){.timeline-container:before{left:20px}.timeline-item{width:100%;padding-left:50px;padding-right:15px}.timeline-item:nth-child(odd),.timeline-item:nth-child(2n){left:0;text-align:left}.timeline-item:nth-child(odd) .timeline-dot,.timeline-item:nth-child(2n) .timeline-dot{left:12.5px}}@media (max-width: 600px){.timeline-input-area{flex-direction:column}}.admin-container{display:flex;justify-content:center;align-items:flex-start;min-height:100vh;width:100vw;background:linear-gradient(135deg,#3a3a3a,#1c1c1c);padding:2rem 1rem;overflow-y:auto;box-sizing:border-box}.admin-box{position:relative;background-color:var(--surface-color);padding:2.5rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);text-align:center;max-width:450px;width:100%;animation:slide-down .5s ease-out}.admin-box.wide{max-width:700px}.admin-title{font-size:2rem;font-weight:700;margin-bottom:.5rem;color:var(--text-color)}.admin-subtitle{font-size:1.1rem;color:var(--light-text-color);margin-bottom:2rem}.admin-form{display:flex;flex-direction:column;gap:1.25rem;text-align:left}.admin-form .form-row{display:flex;gap:1rem}.admin-form .form-row .form-group{flex:1}.admin-form .form-group{display:flex;flex-direction:column;gap:.5rem}.admin-form label{font-weight:500}.admin-form input,.admin-form select{padding:.75rem 1rem;border-radius:var(--border-radius);border:1px solid var(--border-color);background-color:var(--background-color);color:var(--text-color);font-family:var(--font-family);font-size:1rem}.admin-form input:focus,.admin-form select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #4a90e233}.admin-btn{padding:.8rem 1.5rem;border:none;border-radius:var(--border-radius);font-family:var(--font-family);font-size:1.1rem;font-weight:600;cursor:pointer;transition:background-color .2s ease;background-color:var(--secondary-color);color:#121212;margin-top:.5rem}.admin-btn:disabled{background-color:#a0c3ed;cursor:not-allowed}.error-message{color:var(--danger-color);margin-top:-.75rem;font-size:.9rem;text-align:center}.success-message{color:var(--secondary-color);margin-top:-.75rem;font-size:.9rem;text-align:center}.logout-button{position:absolute;top:1.5rem;right:1.5rem;background:var(--danger-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-weight:500}.admin-box.access-denied{max-width:500px;margin-top:10vh}.access-denied p{font-size:1.1rem;color:var(--light-text-color);margin-bottom:2rem}.access-denied .admin-btn{width:100%;background-color:var(--primary-color);color:#fff}@media (max-width: 600px){.admin-form .form-row{flex-direction:column}}.mobile-menu-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:1001;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.mobile-menu-backdrop.open{opacity:1;visibility:visible}.mobile-menu{position:fixed;top:0;right:0;width:280px;height:100%;background-color:var(--surface-color);z-index:1002;box-shadow:-4px 0 15px #00000026;transform:translate(100%);transition:transform .3s ease-out;display:flex;flex-direction:column}.mobile-menu.open{transform:translate(0)}.mobile-menu-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color)}.mobile-menu-header h3{font-size:1.2rem;font-weight:600}.header-buttons{display:flex;align-items:center;gap:.5rem}.close-menu-btn{background:none;border:none;font-size:2.5rem;line-height:1;color:var(--light-text-color);cursor:pointer;padding:0}.mobile-menu-links{list-style:none;padding:1rem 0;margin:0;flex-grow:1}.mobile-menu-links button{display:flex;align-items:center;gap:1rem;width:100%;padding:1rem 1.5rem;background:none;border:none;text-align:left;font-size:1.1rem;font-family:var(--font-family);cursor:pointer;color:var(--text-color);transition:background-color .2s}.mobile-menu-links button:hover{background-color:var(--subtle-bg-color)}.mobile-menu-links img{width:24px;height:24px;opacity:.7}.logout-btn{padding:.5rem .75rem;border:none;border-radius:var(--border-radius);font-family:var(--font-family);font-size:.9rem;font-weight:600;cursor:pointer;background-color:var(--danger-color);color:#fff;text-align:center;white-space:nowrap}.logout-btn:hover{opacity:.9}.global-footer{background-color:var(--surface-color);border-top:1px solid var(--border-color);padding:1rem 0;margin-top:auto;width:100%;position:sticky;bottom:0;z-index:20}.footer-content{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}.copyright-text{font-size:.875rem;color:var(--light-text-color);font-weight:500}.made-in-india{font-size:.875rem;font-weight:600;display:flex;align-items:center;gap:.25rem;flex-wrap:wrap;justify-content:center}.made-text,.love-text{color:#ff6b35}.heart{color:#e74c3c;font-size:1rem;margin:0 .1rem}.in-text{color:#138808}.india-text{color:#138808;font-weight:700}@media (max-width: 768px){.footer-content{padding:0 .75rem;gap:.375rem}.copyright-text,.made-in-india{font-size:.8rem}.heart{font-size:.9rem}}@media (max-width: 480px){.global-footer{padding:.75rem 0}.footer-content{padding:0 .5rem}.copyright-text,.made-in-india{font-size:.75rem}.made-in-india{gap:.2rem}}.dark-theme .copyright-text{color:var(--light-text-color)}.app-container{display:flex;flex-direction:column;min-height:100vh;background:linear-gradient(135deg,#e0f7fa,#d1c4e9);max-width:100vw}.main-content{flex:1;display:flex;flex-direction:column}.page-container{height:calc(100vh - 80px);width:100vw;overflow-y:auto;background-color:var(--background-color)}@media (max-width: 768px){.page-container{height:calc(100vh - 70px)}}@media (max-width: 480px){.page-container{height:calc(100vh - 65px)}}.app-toast{position:fixed;bottom:16px;left:50%;transform:translate(-50%);background:var(--toast-bg, #333);color:#fff;padding:12px 18px;border-radius:8px;box-shadow:0 4px 12px #00000040;font-family:var(--font-family);font-size:.95rem;font-weight:500;display:flex;align-items:center;gap:8px;z-index:1000;animation:fadeInUp .25s ease;max-width:90%;line-height:1.3;letter-spacing:-.005em}.app-toast-success{--toast-bg: #2e7d32}.app-toast-error{--toast-bg: #c62828}.app-toast-info{--toast-bg: #1565c0}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}@media (prefers-color-scheme: light){.app-toast{color:#fff}}