:root{--transition-speed: .3s;--color-success: #4caf50;--color-warning: #ff9800;--color-info: #2196f3;--color-contact: #9c27b0;--accent-primary: #e44d26;--accent-primary-hover: #ff6b47}[data-theme=dark]{--bg-primary: #1c1c1c;--bg-secondary: #2a2a2a;--bg-tertiary: #222;--bg-gradient-start: #2a2a2a;--bg-gradient-end: #1a1a1a;--text-primary: #e0e0e0;--text-secondary: #ccc;--text-heading: #fff;--text-disabled: #555;--border-primary: #444;--border-secondary: #383838;--accent-primary-transparent: rgba(255, 0, 0, .3);--accent-border: rgba(255, 0, 0, .5);--accent-glow: rgba(255, 0, 0, .5);--shadow-color: rgba(0, 0, 0, .3);--shadow-strong-color: rgba(0, 0, 0, .4);--shadow-text-color: rgba(0, 0, 0, .7);--card-border-light-trans: rgba(255, 255, 255, .1);--card-bg-trans: rgba(42, 42, 42, .7);--spinner-base: rgba(255, 0, 0, .2);--spinner-top: var(--accent-primary);--card-sheen-gradient: linear-gradient( 135deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, 0) );--bg-overlay-dark: rgba(0, 0, 0, .8);--element-bg-hover: #3a3a3a;--color-success-bg: rgba(76, 175, 80, .15);--color-warning-bg: rgba(255, 152, 0, .15);--color-danger-bg: rgba(244, 67, 54, .15);--color-danger: #f44336;--color-open-source: #8b4513}[data-theme=light]{--bg-primary: #f4f4f4;--bg-secondary: #ffffff;--bg-tertiary: #e0e0e0;--bg-gradient-start: #ffffff;--bg-gradient-end: #f0f0f0;--text-primary: #333333;--text-secondary: #555555;--text-heading: #111111;--text-disabled: #aaaaaa;--border-primary: #cccccc;--border-secondary: #dddddd;--accent-primary-transparent: rgba(255, 0, 0, .15);--accent-border: rgba(255, 0, 0, .4);--accent-glow: rgba(255, 0, 0, .3);--shadow-color: rgba(0, 0, 0, .1);--shadow-strong-color: rgba(0, 0, 0, .15);--shadow-text-color: rgba(0, 0, 0, .2);--card-border-light-trans: rgba(0, 0, 0, .1);--card-bg-trans: rgba(255, 255, 255, .8);--spinner-base: rgba(255, 0, 0, .15);--spinner-top: var( --accent-primary );--card-sheen-gradient: linear-gradient( 135deg, rgba(0, 0, 0, .03), rgba(0, 0, 0, 0) );--bg-overlay-dark: rgba(244, 244, 244, .85);--element-bg-hover: #e8e8e8;--color-success-bg: rgba(76, 175, 80, .1);--color-warning-bg: rgba(255, 152, 0, .1);--color-danger-bg: rgba(244, 67, 54, .1);--color-danger: #d32f2f;--color-open-source: #795548}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color var(--transition-speed) ease,color var(--transition-speed) ease}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-speed) ease}a:hover{color:var(--accent-primary-hover)}h1,h2,h3{color:var(--text-heading);margin-bottom:.5em;font-weight:700}:root{--vertical-nav-width: 300px}.vertical-nav{position:fixed;left:0;top:0;width:var(--vertical-nav-width);height:100vh;background-color:var(--bg-secondary);border-right:1px solid var(--border-primary);padding:1.5rem 0rem;display:flex;flex-direction:column;gap:2rem;z-index:1000;transition:transform .3s ease;overflow-y:auto}.vertical-nav .logo-container{padding:0 .5rem;text-align:center}.vertical-nav .logo-link{display:inline-block;text-decoration:none}.vertical-nav .logo{height:40px;display:block;margin:0 auto .5rem}.vertical-nav .app-name{font-weight:700;color:var(--text-heading);text-align:center}.vertical-nav .main-nav{flex-grow:1;overflow-y:auto}.vertical-nav .main-nav ul{list-style:none;display:flex;flex-direction:column;gap:.5rem;height:100%;padding:1rem}.vertical-nav .main-nav a{display:flex;align-items:center;gap:1rem;padding:.85rem 1rem;border-radius:8px;font-weight:500;color:var(--text-secondary);transition:background-color .2s ease,color .2s ease}.vertical-nav .main-nav a:hover{background-color:var(--bg-primary);color:var(--text-heading)}.vertical-nav .main-nav li.active a{background-color:var(--accent-primary);color:#fff;font-weight:600}.vertical-nav .main-nav li.active a .material-symbols-outlined{color:#fff}.main-content-wrapper{margin-left:var(--vertical-nav-width);padding:0 2rem;transition:margin-left .3s ease;display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;justify-content:flex-end;align-items:center;padding:1rem 0;margin-bottom:2rem;border-bottom:1px solid var(--border-primary)}.header-left{display:none}.header-right{display:flex;align-items:center;gap:1rem}.user-menu{display:flex;align-items:center;gap:.5rem}.icon-button{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease,color .2s ease}.icon-button:hover{color:var(--text-heading);background-color:var(--element-bg-hover)}.mobile-menu-toggle{display:none;z-index:1001}.main-content{background-color:var(--bg-secondary);padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000000d;border:1px solid var(--border-primary);transition:background-color .3s ease,border-color .3s ease;flex-grow:1}.dashboard-header{margin-bottom:2rem;text-align:center}.dashboard-header h2{font-size:2rem;font-weight:800}.dashboard-header p{font-size:1.1rem;color:var(--text-secondary)}.stat-cards-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2.5rem}.stat-card{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;display:flex;align-items:center;gap:1.5rem}.stat-card .material-symbols-outlined{font-size:2rem;color:var(--accent-primary);padding:.75rem;border-radius:50%;background-color:#007bff1a}.stat-info .stat-number{display:block;font-size:1.5rem;font-weight:700;color:var(--text-heading)}.stat-info .stat-label{font-size:.8rem;color:var(--text-secondary)}.action-cards-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.action-card{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;padding:2rem;text-align:center;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.action-card:hover{transform:translateY(-5px);box-shadow:0 8px 24px #0000001a;text-decoration:none;color:var(--text-heading)}[data-theme=dark] .action-card:hover{box-shadow:0 8px 24px #0000004d}.action-card .material-symbols-outlined{font-size:3rem;color:var(--accent-primary);margin-bottom:1rem}.action-card h3{font-size:1.25rem;color:var(--text-heading);margin-bottom:.5rem}.action-card p{color:var(--text-secondary);font-size:.9rem}.action-card.action-card-highlight{background-color:var(--bg-primary);border:1px solid var(--accent-primary)}.action-card.action-card-highlight .material-symbols-outlined,.action-card.action-card-highlight h3{color:var(--accent-primary)}.action-card.action-card-highlight:hover{background-color:#ff00001a;transform:translateY(-5px);box-shadow:0 8px 24px #0000001a}[data-theme=dark] .action-card.action-card-highlight:hover{background-color:#ff000026}@media (max-width: 768px){.stat-cards-container{display:flex;overflow-x:auto;padding-bottom:1rem;scrollbar-width:none;-ms-overflow-style:none}.stat-cards-container::-webkit-scrollbar{display:none}.stat-cards-container .stat-card{flex:0 0 220px}}.page-header{border-bottom:1px solid var(--border-primary);margin-bottom:2rem;padding-bottom:1rem}.page-header h1{font-size:1.8rem;font-weight:800}.page-header p{color:var(--text-secondary);font-size:1rem;margin-top:.25rem}.upload-form .form-group{margin-bottom:1.5rem}.upload-form label{display:block;font-weight:600;margin-bottom:.5rem;color:var(--text-heading)}.upload-form input[type=text],.upload-form textarea,.upload-form select{width:100%;padding:.85rem 1rem;font-size:1rem;font-family:Inter,sans-serif;background-color:var( --color-background );border:1px solid var(--border-primary);border-radius:8px;color:var(--text-heading);transition:border-color .2s ease,box-shadow .2s ease}.upload-form input:focus,.upload-form textarea:focus,.upload-form select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #007bff26}.upload-form textarea{resize:vertical}.form-hint{font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.5rem;font-size:1rem;font-weight:600;font-family:Inter,sans-serif;border:none;border-radius:8px;cursor:pointer;text-decoration:none;transition:background-color .2s ease,transform .1s ease}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--accent-primary);color:#fff}.btn-primary:hover{background-color:var(--accent-primary-hover);color:#fff;text-decoration:none}.form-messages{margin-bottom:1.5rem}.alert{padding:1rem;border-radius:8px;border:1px solid transparent;font-weight:500}.alert-success{background-color:#d1e7dd;color:#0f5132;border-color:#badbcc}.alert-error{background-color:#f8d7da;color:#842029;border-color:#f5c2c7}[data-theme=dark] .alert-success{background-color:#0f5132;color:#d1e7dd;border-color:#198754}[data-theme=dark] .alert-error{background-color:#842029;color:#f8d7da;border-color:#dc3545}.filter-bar{background-color:var(--bg-primary);padding:1.5rem;border-radius:12px;margin-bottom:2rem;border:1px solid var(--border-primary)}.filter-bar .btn-clear-filters{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.2rem;border-radius:8px;text-decoration:none;font-weight:500;font-size:.9rem;cursor:pointer;transition:all .2s ease-in-out;background-color:transparent;border:1px solid var(--border-primary);color:var( --color-text-secondary )}.filter-bar .btn-clear-filters:hover,.filter-bar .btn-clear-filters:focus{background-color:#0000000a;color:var(--text-heading);border-color:#b0b0b0;transform:translateY(-1px);box-shadow:0 2px 4px #0000000d}[data-theme=dark] .filter-bar .btn-clear-filters:hover,[data-theme=dark] .filter-bar .btn-clear-filters:focus{background-color:#ffffff14;color:#fff;border-color:#777}.filter-form-container{display:block}#mobile-filter-toggle{display:none}.filter-form input[type=text],.filter-form select{flex-grow:1;min-width:150px;background-color:var(--bg-secondary);padding:.75rem 1rem;border:1px solid var(--border-primary);border-radius:8px;color:var(--text-heading);transition:border-color .2s ease,box-shadow .2s ease}.filter-form .btn-primary{flex-grow:0;align-items:center;justify-content:center}.document-list{display:grid;gap:1.5rem}.clickable{display:flex;text-decoration:none;color:inherit;transition:transform .2s ease-in-out,box-shadow .2s ease-in-out}.clickable:hover{transform:translateY(-4px);box-shadow:0 6px 16px #0000001f}.document-card-mobile .expand-toggle{position:relative;z-index:2}.document-card{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;display:flex;gap:1.5rem;transition:box-shadow .2s ease}.document-card:hover{box-shadow:0 4px 12px #00000014}[data-theme=dark] .document-card:hover{box-shadow:0 4px 12px #0003;border-color:var(--accent-primary)}.document-card-mobile{display:none}.doc-icon{flex-shrink:0}.doc-icon .material-symbols-outlined{font-size:2rem;color:var(--accent-primary)}.doc-details{flex-grow:1}.doc-title{font-size:1rem;font-weight:700;margin-bottom:.25rem}.doc-description{color:var(--text-secondary);font-size:.8rem;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.doc-meta{display:flex;flex-wrap:wrap;gap:1rem;font-size:.85rem;color:var(--text-secondary)}.doc-meta span{display:inline-flex;align-items:center;gap:.3rem}.doc-meta .material-symbols-outlined{font-size:1rem}.doc-actions{flex-shrink:0;text-align:right;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end}.doc-actions .file-size{font-size:.9rem;font-weight:500;color:var(--text-secondary);margin-bottom:.5rem}.doc-actions .btn{padding:.6rem 1rem}.doc-actions .btn .material-symbols-outlined{font-size:1.2rem}.doc-info-bar{font-size:.8rem;color:var(--text-secondary);margin-top:1rem}.no-results-card{background-color:var(--bg-primary);border:2px 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#dc3545}.btn-danger:hover{background-color:#dc3545;color:#fff;text-decoration:none}.auth-page-body{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:var(--bg-primary)}.auth-container{max-width:450px;width:100%;padding:2rem}.auth-logo{display:flex;justify-content:center;align-items:center;gap:.75rem;text-decoration:none;margin-bottom:2rem}.auth-logo h1{font-size:1.8rem;color:var(--text-heading);margin:0}.auth-logo .material-symbols-outlined{font-size:2.5rem;color:var(--accent-primary)}.auth-card{background-color:var(--bg-secondary);padding:2rem 2.5rem;border-radius:12px;border:1px solid var(--border-primary);box-shadow:0 4px 24px #0000000d}[data-theme=dark] .auth-card{box-shadow:0 4px 24px #0003}.auth-card form{display:flex;flex-direction:column;gap:1.5rem}.auth-card input[type=email],.auth-card input[type=password],.auth-card input[type=text]{width:100%;padding:.85rem 1rem;font-size:1rem;font-family:Inter,sans-serif;background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;color:var(--text-heading);transition:border-color .2s ease,box-shadow .2s ease}.auth-card input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #007bff26}.auth-card input::placeholder{color:var(--text-secondary)}.auth-card .form-group{display:flex;flex-direction:column;gap:.5rem}.auth-card .form-group label{font-weight:600;color:var(--text-heading)}.auth-card .form-group .form-hint{font-size:.9rem;color:var(--text-secondary)}.auth-card .form-group .form-hint a{color:var(--accent-primary);text-decoration:none}.auth-card .form-group .form-hint a:hover{color:var(--accent-primary-hover);text-decoration:underline}.auth-card .form-group .form-hint a:focus{outline:none;color:var(--accent-primary-hover)}.auth-card .form-group .form-hint a:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.auth-card .form-group .form-hint a:focus:not(:focus-visible){outline:none}.auth-card h2{text-align:center;font-size:1.6rem;margin-bottom:.5rem}.auth-card p{text-align:center;color:var(--text-secondary);margin-bottom:2rem}.auth-form .btn{width:100%;justify-content:center;padding-top:1rem;padding-bottom:1rem;font-size:1.1rem}.auth-footer{text-align:center;margin-top:1.5rem;font-size:.9rem}.email-simulation{margin-top:1.5rem;padding:1rem;background-color:var(--bg-primary);border-radius:8px;border:1px solid var(--border-primary)}.email-simulation h4{margin-bottom:.5rem}.email-simulation p{font-size:.9rem;text-align:left;margin-bottom:1rem}.reset-link-box{width:100%;padding:.75rem;font-family:monospace;font-size:.9rem;background-color:var(--bg-secondary);color:var(--text-heading);border:1px solid var(--border-primary);border-radius:4px;resize:none;word-break:break-all}.app-footer{text-align:center;padding:2rem 0;margin-top:2rem;color:var(--text-secondary);font-size:.9rem}@media (max-width: 768px){.main-content-wrapper{margin-left:0;padding:0 .2rem}.main-content{padding:1rem}.vertical-nav{width:300px;transform:translate(-100%);box-shadow:0 0 20px #0003}.vertical-nav.is-open{transform:translate(0)}.vertical-nav.is-open+.main-content-wrapper .mobile-menu-toggle{position:fixed;top:0;right:0;padding:1rem}.mobile-menu-toggle{display:flex;transition:transform .3s ease}.app-header{justify-content:space-between}.notes-container .document-card{display:none}.document-card-mobile{display:flex;align-items:flex-start;gap:1rem;padding:1rem;background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;text-decoration:none;color:inherit}.document-card-mobile .doc-icon .material-symbols-outlined{font-size:2.5rem;color:var(--accent-primary);margin-top:-2px}.document-card-mobile .doc-details{flex:1;display:flex;flex-direction:column;gap:.75rem}.document-card-mobile .doc-title{font-size:1.1rem;font-weight:600;line-height:1.3;margin:0;color:var(--text-heading)}.document-card-mobile .doc-meta,.document-card-mobile .doc-info-bar{display:flex;flex-wrap:wrap;gap:.5rem 1rem;font-size:.8rem;color:var(--text-secondary)}.document-card-mobile .doc-meta span,.document-card-mobile .doc-info-bar span{display:flex;align-items:center;gap:.3rem}.document-card-mobile .doc-meta .material-symbols-outlined,.document-card-mobile .doc-info-bar .material-symbols-outlined{font-size:1rem}.doc-actions{flex-shrink:0;display:flex;gap:.5rem}.doc-actions .btn.btn-primary{background:none;padding:.5rem;border-radius:50%;min-width:0;color:var(--accent-primary)}.doc-actions .btn.btn-primary:hover{background-color:#0000000d;color:var(--accent-primary-hover)}[data-theme=dark] .doc-actions .btn.btn-primary:hover{background-color:#ffffff1a}.doc-actions .btn .download-text,.filter-form-container{display:none}.filter-form-container.active{display:block;margin-top:1rem;animation:slideDown .5s ease-out}#mobile-filter-toggle{display:flex;width:100%;justify-content:center}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.profile-container .document-card{flex-direction:row;flex-wrap:wrap;align-items:center;padding:1rem}.profile-container .doc-details{flex-grow:1}.profile-container .doc-actions{flex-direction:row;gap:.75rem}.profile-container .doc-meta{display:none}.input-with-button-container{display:flex;align-items:center;gap:10px}.input-with-button-container select{flex-grow:1}.btn-add-new{padding:5px 10px;border:1px solid #ccc;background-color:#f0f0f0;cursor:pointer;white-space:nowrap;border-radius:4px}.btn-add-new:hover{background-color:#e0e0e0}.add-new-container{display:flex;gap:10px}.add-new-container input[type=text]{flex-grow:1}.filter-form{flex-direction:column;align-items:stretch}.filter-form input[type=text],.filter-form select{width:100%}.filter-buttons{display:flex;gap:1rem;margin-top:1rem;width:100%}.filter-buttons .btn,.filter-buttons .btn-clear-filters{flex-grow:1;justify-content:center;text-align:center}}.login-container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:75vh;padding:2rem 1rem;width:100%}.login-card{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:16px;padding:2.5rem 3rem;max-width:450px;width:100%;text-align:center;box-shadow:0 10px 25px -5px #0000000a;animation:fadeIn .6s ease-out}[data-theme=dark] .login-card{box-shadow:0 10px 25px -5px #00000026}.login-logo{width:60px;height:60px;margin:0 auto 1.5rem}.login-card h2{font-size:1.75rem;font-weight:700;color:var(--text-heading);margin-bottom:.75rem}.login-card p{color:var(--text-secondary);line-height:1.6;margin-bottom:2.5rem}.btn-google{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:12px 24px;font-size:1rem;font-weight:600;border-radius:8px;border:1px solid var(--border-primary);background-color:var(--bg-secondary);color:var(--text-heading);cursor:pointer;transition:all .2s ease-in-out;gap:12px}.btn-google:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a;background-color:var(--color-surface-hover);border:1px solid var(--color-border-hover)}[data-theme=dark] .btn-google:hover{box-shadow:0 4px 12px #0003}.btn-google img{width:20px;height:20px}.login-footer-note{font-size:.8rem;color:var(--text-secondary);margin-top:2rem;margin-bottom:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.login-card{padding:2rem 1.5rem}.login-card h2{font-size:1.5rem}}body.body-no-scroll{overflow:hidden}body.body-no-scroll .app-container{height:calc(var(--vh, 1vh) * 100);display:flex;flex-direction:column}body.body-no-scroll .main-content{flex-grow:1;display:flex;flex-direction:column;padding:0}body.body-no-scroll .main-content>.chat-page-container{flex-grow:1}body.body-no-scroll .chat-fab{display:none}.chat-fab{position:fixed;bottom:2rem;right:2rem;width:60px;height:60px;background-color:var(--accent-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0003;text-decoration:none;transition:all .2s ease-in-out;z-index:1000}.chat-fab:hover{transform:scale(1.1);box-shadow:0 6px 16px #0000004d;color:#fff}.chat-fab .material-symbols-outlined{font-size:2rem}.app-promo-banner{display:flex;align-items:center;gap:1rem;padding:.75rem 1.5rem;background:linear-gradient(135deg,var(--accent-primary),var(--accent-primary-hover));border:none;border-radius:12px;margin-bottom:2rem;position:relative;overflow:hidden;transition:all .4s ease-in-out;box-shadow:0 4px 15px -5px #5271ff4d}.school-selectors{display:flex;gap:1rem;width:100%;margin-bottom:1rem}.school-selectors select{flex-grow:1;min-width:150px;background-color:var(--bg-secondary);padding:.75rem 1rem;border:1px solid var(--border-primary);border-radius:8px;color:var(--text-heading)}.school-selectors select:disabled{background-color:var(--bg-tertiary);cursor:not-allowed}.filter-form{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}.filter-main-row{display:flex;flex-wrap:wrap;gap:1rem}.filter-main-row input[type=text],.filter-main-row select{flex-grow:1}.choices{flex-grow:1;min-width:200px;margin-bottom:0}.choices__inner{background-color:var(--bg-secondary);border:1px solid var(--border-primary);color:var(--text-heading);padding:.6rem 1rem!important;border-radius:8px;font-size:1rem;min-height:auto}.is-focused .choices__inner,.is-open .choices__inner{border-color:var(--accent-primary);box-shadow:0 0 0 3px 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p{color:var(--text-secondary);max-width:500px;margin:.5rem auto 1.5rem}.empty-library .browse-button{display:inline-block;background-color:var(--accent-primary);color:#fff;padding:.8rem 1.8rem;border-radius:5px;text-decoration:none;font-weight:600;transition:background-color .2s ease}.empty-library .browse-button:hover{background-color:var(--accent-primary-hover)}.filter-form{display:flex;flex-wrap:wrap;gap:1rem}.filter-row{display:flex;flex-grow:1;gap:1rem}.filter-row.full-width,.filter-row.full-width .choices{width:100%}.filter-row.multi-column{flex-wrap:wrap}.filter-row.multi-column>*{flex:1 1 180px}.filter-buttons{display:flex;align-items:center;gap:.5rem}.vertical-nav{position:fixed;left:0;top:0;height:100vh;width:280px;background:linear-gradient(135deg,#0f172af2,#1e293bf2,#0f172af2);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid rgba(148,163,184,.1);z-index:1000;transition:all .4s cubic-bezier(.25,.8,.25,1);overflow:hidden;box-shadow:0 25px 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ul>a[href*="opers.co"]:hover{color:#94a3b8cc;background:#0003}@media (max-width: 768px){.vertical-nav{transform:translate(-100%);width:280px}.vertical-nav.active{transform:translate(0)}.vertical-nav.active:after{content:"";position:fixed;top:0;left:280px;width:calc(100vw - 280px);height:100vh;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:-1}}@media (max-width: 1024px){.vertical-nav{width:260px}.main-nav li a{padding:.75rem 1.25rem;font-size:.9rem}.logo-container{padding:1.5rem 1.25rem 1.25rem}}[data-theme=light] .vertical-nav:before{background:linear-gradient(135deg,#3b82f60d,#9333ea0d,#ec48990d)}[data-theme=light] .logo-container{background:#00000005;border-bottom:1px solid rgba(0,0,0,.1)}[data-theme=light] .main-nav li a{color:#334155cc}[data-theme=light] .main-nav li a:hover{color:#0f172a;background:#3b82f61a}[data-theme=light] .main-nav li.active a{background:linear-gradient(135deg,#3b82f626,#9333ea26);color:#0f172a}[data-theme=light] .nav-heading{color:#33415599}[data-theme=light] .nav-divider hr{background:linear-gradient(90deg,transparent,rgba(0,0,0,.1) 20%,rgba(0,0,0,.1) 80%,transparent)}@keyframes slideInLeft{0%{transform:translate(-100%);opacity:0}to{transform:translate(0);opacity:1}}.vertical-nav{animation:slideInLeft .6s cubic-bezier(.25,.8,.25,1)}.main-nav li.active a{position:relative}.main-nav li.active a:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#3b82f61a,#9333ea1a);border-radius:inherit;z-index:-1;filter:blur(8px)}:root{--font-primary: "Inter", sans-serif;--color-background: #f8f9fa;--color-surface: #ffffff;--color-border: #dee2e6;--color-text-primary: #212529;--color-text-secondary: #6c757d;--color-accent: #a77424;--color-accent-hover: #a77424}[data-theme=dark]{--color-background: #121212;--color-surface: #1e1e1e;--color-border: #343a40;--color-text-primary: #e9ecef;--color-text-secondary: #adb5bd;--color-accent: #a77424;--color-accent-hover: 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var(--color-border);padding-right:0;padding-bottom:20px;margin-bottom:30px}}.payment-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:1000}.payment-modal-content{background:var(--color-background);padding:2rem;border-radius:8px;align-items:center;width:90%;max-width:450px;position:relative;box-shadow:0 5px 15px #0000004d}.payment-modal-content h3{text-align:center;margin-bottom:1rem;color:var(--color-text-primary)}.payment-modal-close{position:absolute;top:10px;right:15px;background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--color-text-secondary)}#payment-form input{width:100%;padding:12px;margin:.5rem 0 1rem;border-radius:4px;border:1px solid var(--color-border)}#payment-form .download-button{width:100%}#payment-status{text-align:center;padding:1rem}.payment-modal-content p{text-align:center;line-height:1.6;word-break:break-word}#modal-price,#modal-doc-title{text-transform:capitalize;font-weight:700;display:inline-block;margin-top:5px}.login-popup-overlay{position:fixed;inset:0;background-color:var(--bg-overlay-dark);display:flex;align-items:center;justify-content:center;z-index:2000;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}.login-popup-content{background-color:var(--bg-secondary);color:var(--text-heading);padding:30px 40px;border-radius:20px;text-align:center;max-width:500px;width:90%;box-shadow:0 8px 30px var(--shadow-strong-color);border:1px solid var(--border-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;transform:scale(.95);opacity:0;animation:fadeInScale .3s forwards ease-out}@keyframes fadeInScale{to{transform:scale(1);opacity:1}}.login-popup-content .icon{font-size:48px;margin-bottom:15px;color:var(--accent-primary)}.login-popup-content 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#0000001a;border:1px solid var(--color-border)}.sidebar-widget{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;padding:20px;margin-bottom:30px;box-shadow:0 2px 5px var(--shadow-color)}.sidebar-widget h3{margin-top:0;margin-bottom:15px;font-size:1.2em;color:var(--text-heading);border-bottom:2px solid var(--border-secondary);padding-bottom:10px}.ad-block{min-height:250px;width:100%;display:block;align-items:center;justify-content:center;background-color:var(--bg-tertiary);border-radius:6px}.ad-placeholder{color:var(--text-disabled);font-style:italic}.related-docs-list{list-style:none;padding:0;margin:0}.related-docs-list li a{display:flex;align-items:center;gap:10px;padding:12px 10px;text-decoration:none;color:var(--text-primary);border-radius:6px;transition:background-color var(--transition-speed)}.related-docs-list li a:hover{background-color:var(--element-bg-hover);color:var(--accent-primary)}.related-docs-list 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span{display:flex;align-items:center;gap:.5rem}.card-footer{margin-top:1.5rem;display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:var(--color-text-secondary)}.view-link{color:var(--color-accent);display:flex;align-items:center;gap:.25rem}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.faq-item{background-color:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}.faq-item:hover{transform:translateY(-5px);box-shadow:0 6px 16px var(--shadow-color)}.faq-item h2{font-size:1.15rem;font-weight:700;margin-bottom:1rem;color:var(--text-heading);flex-grow:1}.faq-item h2 a{text-decoration:none;color:inherit}.faq-item p{line-height:1.6;margin-bottom:1.5rem;color:var(--text-secondary)}.faq-item .btn-secondary{align-self:flex-start}.faq-item p:has(strong:contains("Source Attribution")){font-size:.9rem;color:var(--text-secondary);background-color:var(--bg-primary);border-left:3px solid var(--accent-primary);padding:1rem;margin-top:1rem;border-radius:0 4px 4px 0}@media (max-width: 992px){.faq-grid{grid-template-columns:1fr}}.quick-take-details-container{display:flex;gap:2.5rem;padding:.5rem 0}.qt-main-content{flex:1;min-width:0}.qt-sidebar{flex-basis:350px;flex-shrink:0}.qt-article{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:16px;padding:2rem 1rem;box-shadow:0 4px 12px var(--shadow-color)}.qt-article-header{margin-bottom:2rem;padding-bottom:0;border-bottom:none}.breadcrumbs{display:flex;align-items:center;gap:.5rem;font-size:.9rem;margin-bottom:1rem}.breadcrumb-prefix{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.breadcrumbs a{color:var(--text-secondary);text-decoration:none;white-space:nowrap}.breadcrumbs a:hover{color:var(--accent-primary)}.breadcrumbs .material-symbols-outlined{font-size:1rem;color:var(--text-secondary)}.qt-article-header h1{font-size:2.2rem;font-weight:800;color:var(--text-heading);line-height:1.3}.qt-article-header .meta{font-size:.9rem;color:var(--text-secondary);margin-top:.5rem}.qt-article-body{font-size:1.1rem;line-height:1.8}.qt-article-body p{margin-bottom:1.5rem}.qt-article-body ul{list-style-position:inside;padding-left:1rem;margin-bottom:1.5rem}.qt-article-body li{margin-bottom:.75rem}.in-content-ad{background-color:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;margin:2.5rem 0;text-align:center}.in-content-ad h5{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:1rem}.ad-placeholder-horizontal{display:flex;justify-content:center;align-items:center;width:100%;min-height:90px;background-color:var(--bg-secondary);border:2px dashed var(--border-secondary);border-radius:8px;color:var(--text-secondary);font-weight:500}.sidebar-widget{background-color:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:1.5rem;margin-bottom:2rem}.sidebar-widget h4{font-size:1.1rem;font-weight:700;color:var(--text-heading);margin:0 0 1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-secondary)}.ad-widget{overflow:hidden}.ad-placeholder{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:250px;background-color:var(--bg-secondary);border:2px dashed var(--border-secondary);border-radius:8px;color:var(--text-secondary)}.ad-placeholder p{font-weight:600;margin:0}.related-questions-widget ul{list-style:none;padding:0;margin:0}.related-questions-widget li{margin-bottom:.5rem}.related-questions-widget a{display:block;padding:.75rem;border-radius:8px;color:var(--text-secondary);font-weight:500;transition:background-color .2s ease,color .2s ease}.related-questions-widget a:hover{background-color:var(--element-bg-hover);color:var(--text-heading)}@media (max-width: 992px){.quick-take-details-container{flex-direction:column}.qt-sidebar{flex-basis:auto;width:100%}.qt-article-header h1{font-size:1.8rem}.qt-article{padding:1rem}}