/* Site Trail container*/
.site-trail-container{position:absolute;top:57px;left:50%;transform:translateX(-50%);z-index:3;width:100%;height:16px;display:flex;align-items:center;justify-content:center;}.site-trail-inner{display:flex;align-items:center;justify-content:center;max-width:1200px;width:auto;padding:0 15px;font-size:10px;white-space:nowrap;overflow:hidden}.trail-step{display:inline-flex;align-items:center;gap:4px;color:#1e293b;text-decoration:none;font-weight:600;transition:opacity .2s;}.trail-step:hover{opacity:.7;text-decoration:none}.trail-icon svg,.trail-lock svg{width:14px;height:14px;fill:currentColor;margin-top:-2px}.trail-lock{display:inline-flex;margin-right:4px;vertical-align:middle;color:#059669}.trail-sep{display:inline-flex;margin:0 6px;flex-shrink:0}.trail-sep svg{width:12px;height:12px;fill:#4b5563}.trail-static{color:#374151;cursor:default;white-space:nowrap;}.trail-current{color:#000;font-weight:500}
/* navbar style */
:root{--header-height:56px;--chamber-width:240px;--rail-width:50px;--accent:#2563eb;--rail-bg:#eff6ff;--text-main:#0F1624;--text-muted:#172033}
/* CLS Fix: contain:layout and fixed height for header */
.main-header{position:fixed;top:0;left:0;width:100%;height:var(--header-height);box-shadow:inset 0 2px 10px rgba(0,0,0,0.08),inset 0 1px 3px rgba(0,0,0,0.1);z-index:5;display:flex;align-items:center;padding:0 4px;transform:none;-webkit-font-smoothing: antialiased;box-sizing:border-box}
.header-inner{display:flex;flex:1;width:100%;justify-content:space-between;align-items:center;margin-right:12px;}
.brand-container .brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text-main)}
.brand-name{font-weight:600;font-size:19px;letter-spacing:1px}
.brand-divider{color:var(--text-muted);font-weight:300;padding:0 2px}
.library-text{font-size:16px;color:#64748b;}
.reading-progress-container{display:none;flex:0 1 400px;flex-direction:column;align-items:center;gap:4px;min-height:30px}.reading-progress-container.is-visible{display:flex}.progress-label{display:flex;justify-content:space-between;width:100%;font-size:12px;font-weight:600;color:#64748b;letter-spacing:.5px}.progress-bar-bg{width:100%;height:6px;background:#f1f5f9;border-radius:10px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--accent);border-radius:10px;transition:width .4s ease}
.perf-nav-btn{display:inline-flex;align-items:center;padding:8px 16px;color:#1e293b;border-radius:8px;text-decoration:none;font-size:14px;font-weight:600;transition:.2s}.perf-nav-btn:hover{background:#e2e8f0;color:#0f172a}@media(max-width:767px){.perf-nav-btn{display:none}}
.header-right-spacer{display:flex;flex-shrink:0;gap:15px;width:50px}
.nav-header-right{display:flex;gap:15px}
.nav-right-box{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:rgba(255,255,255,1);border-radius:5px;color:#000;cursor:pointer;transition:all .2s ease;box-shadow:3px 3px 0 #1a1a1a;position:relative}.nav-right-box:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 #1a1a1a;background:lightblue}.nav-right-box:active{transform: translate(1px, 1px);box-shadow: 1px 1px 0 #1a1a1a;transition: all 0.05s;}#uxModeTrigger.mode-guided{transform:translate(-2px,-2px);box-shadow:5px 5px 0px #1a1a1a;background:lightblue}#uxModeTrigger svg{transition:all .3s ease}.nav-right-box:hover svg{transform:rotate(-5deg) scale(1.1)}@media (max-width:767px){.nav-right-box{width:35px;height:38px}.nav-header-right{gap:3px}.header-inner{margin-right:5px;}}.nav-right-box:active svg {transform: scale(0.9);}
.nav-right-box.a{transform:translate(-2px,-2px);box-shadow:5px 5px 0px #1a1a1a;background:lightblue}.nav-right-box:not(.a) svg{color:#000}
.dual-aside{position:fixed;top:53px;contain:layout paint;right:0;height:calc(100dvh - 56px);z-index:8;transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex}
.dual-aside.active{transform:translateX(0)}
.aside-flex-container{display:flex;height:100%;padding-bottom: 80px;border-radius:5px;border:1px solid rgba(0,0,0,0.05);box-shadow:inset 0 2px 10px rgba(0,0,0,0.08),inset 0 1px 3px rgba(0,0,0,0.1);}
.dual-aside:not(.active) .aside-flex-container {backdrop-filter: none;-webkit-backdrop-filter: none;}
.nav-chamber{width:var(--chamber-width);padding:25px 15px;overflow-y:auto;display:flex;flex-direction:column;}
.panel-footer-action{position:absolute;bottom:0;left:0;width:100%;background:0 0;padding:18px;z-index:5;display:flex;justify-content:center;box-sizing:border-box}
.study-system-btn{display:flex;align-items:center;justify-content:center;gap:12px;justify-content:center;text-decoration:none;box-sizing:border-box;border:4px solid #1a1a1a;border-radius:15px;padding:10px 18px;font-weight:700;letter-spacing:.5px;cursor:pointer;box-shadow:6px 6px 0 #1a1a1a;color:#1a1a1a;line-height:1;transition:transform .2s ease,opacity .2s ease;width:150px;flex-shrink:0}
.study-system-btn:hover{background:rgba(255,255,255,0.05);}
.study-system-btn svg{flex-shrink:0}
.profile-header{padding-bottom:15px;border-bottom:1px solid #f0f0f0;margin-bottom:20px;text-align:center}
.user-profile-header{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;margin-bottom:25px}
.aside-avatar{width:80px;height:80px;aspect-ratio:1/1;border-radius:50%;object-fit:cover;border:2px solid #e2e8f0;background:#f8fafc}
.user-details{display:flex;flex-direction:column;align-items:center;font-size:16px;color:var(--text-muted)}
.user-details .role{font-size:12px;}
.niya-search-box{position:relative;display:flex;align-items:center;background:#f1f5f9;border-radius:8px;border:1px solid #e2e8f0;margin-bottom:15px;overflow:hidden}
.niya-search-box input{width:100%;padding:10px 40px 10px 12px;border:none;background:0 0;font-size:14px;outline:0;color:#334155;box-sizing:border-box}
#niyaSearchBtn{position:absolute;right:8px;background:0 0;border:none;cursor:pointer;color:#64748b;display:flex;align-items:center;justify-content:center;padding:0;height:100%}
#niyaSearchBtn:hover{color:#1a73e8}
#searchResultsNiya .gs-title,#searchResultsNiya .gs-title *{font-size:12px!important;line-height:1!important}
#searchResultsNiya .gs-snippet{font-size:10px!important;line-height:1!important;color:#4b5563!important}
#searchResultsNiya .gsc-result{padding:8px 0!important;border-bottom:1px solid #f1f5f9!important}
/* CLS Fix: Reserve space for dynamic content */
.inline-media-container{display:none;width:100%;margin:10px 0;padding:0;border-radius:12px;border:none;min-height:50px}
.inline-media-container.active{display:block;animation:slideIn .25s ease-out}
.npad-wrapper{position:relative;border-radius:5px;border:1px solid #e2e8f0}
#noteBox{width:100%;height:140px;padding:10px;border:none;background:transparent;font-size:13px;resize:none;outline:none;line-height:1}
#noteBox textarea{background:transparent;}
.npad-save-indicator{position:absolute;bottom:10px;right:10px;font-size:10px;font-weight:500;color:#22c55e;cursor:pointer;letter-spacing:0.5px;text-transform:uppercase}
.audio-mini-player{background:#1e293b;border-radius:12px;padding:10px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;color:#fff;gap:5px}
.player-info{display:flex;align-items:center;gap:10px}
.player-art{width:32px;height:32px;background:#334155;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:16px}
.player-text{display:flex;flex-direction:column}
.player-title{font-size:13px;font-weight:600}
.player-sub{font-size:10px;color:#94a3b8}
.player-controls{display:flex;align-items:center;gap:10px;font-size:16px;cursor:pointer}
.play-toggle{min-width:20px;text-align:center;user-select:none}
.audio-mini-player audio{display:none}
.nav-item{padding:10px;text-decoration:none;border-radius:6px;border:1px solid rgba(0,0,0,0.05);box-shadow:inset 0 2px 10px rgba(0,0,0,0.08),inset 0 1px 3px rgba(0,0,0,0.1);font-size:15px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:12px;transition:.2s;color:#475569}
.nav-item:hover{transform:scale(1.03);background:rgba(255,255,255,0.05);color:var(--accent)}
.nav-item:active{transform:scale(0.96);box-shadow: 0 2px 6px rgba(0,0,0,0.2);}
.locked-button{background:#eff6ff!important;color:var(--accent)!important;font-weight:700}
.bell-wrap{position:relative;display:inline-flex;align-items:center}#notifDot{position:absolute;top:-2px;right:-2px;width:7px;height:7px;background:#ff3b3b;border-radius:50%;display:none;pointer-events:none}
@keyframes bell-ring{0%{transform:rotate(0)}20%{transform:rotate(-15deg)}40%{transform:rotate(10deg)}60%{transform:rotate(-10deg)}80%{transform:rotate(5deg)}100%{transform:rotate(0)}}#bellIcon.bell-animate{animation:bell-ring 1.2s ease-in-out infinite;transform-origin:top center}
.rail-chamber{width:var(--rail-width);border-left:1px solid #e2e8f0;display:flex;flex-direction:column;justify-content:space-between;align-items:center;padding:20px 0}
.rail-top-links{display:flex;flex-direction:column;gap:18px;align-items:center}
.rail-btn{background:0 0;border:none;outline:0;padding:0;cursor:pointer;width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:10px;transition:.3s ease;color:#64748b}
.rail-btn:hover{transform:scale(1.03);background:rgba(0,0,0,0.05)}
.rail-btn.active-rail{background:var(--accent)!important;color:#fff!important;border:none!important;box-shadow:none!important}
.rail-btn svg{display:block;color:inherit}
.aside-avatar-mini{border-radius:50%;object-fit:cover}
.hamburger-btn{position:fixed;right:2px;top:2px;width:45px;height:45px;border:none;cursor:pointer;z-index:5;color:#64748b;display:flex;align-items:center;justify-content:center;border-radius:3px;transition: transform .3s ease, background .3s ease, color .3s ease;}.hamburger-btn svg{width:30px;height:30px}.hamburger-btn .line{transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s ease;transform-origin:center}.hamburger-btn.active{background:var(--accent)!important;color:#fff!important;box-shadow:0 2px 8px rgba(34,197,94,.4)}.hamburger-btn.active .top{transform:translateY(6px) rotate(45deg)}.hamburger-btn.active .mid{opacity:0;transform:translateX(-10px)}.hamburger-btn.active .bot{transform:translateY(-6px) rotate(-45deg)}.aside-toggle-btn{display:none!important}
@keyframes slideIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
@keyframes flash-border{0%,100%{box-shadow:0 0 4px 1px #ff1744;background-color:rgba(255,0,0,.14)}50%{box-shadow:0 0 1px 0 #ff1744;background-color:rgba(255,0,0,.35)}}
.live-flash{animation:flash-border 1.5s infinite}
.aside-avatar-mini{border-radius:8px;border:1px solid #e2e8f0;background:#f8fafc}
.iframe-aspect-ratio{width:100%;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden}
#youtubeMusicIframe{width:100%;height:100%;border:none}
.divider{border:none;border-top:2px solid #f1f5f9;margin:15px 0}
@media (max-width:768px){.reading-progress-container, .reading-progress-container.is-visible, .site-trail-container,.brand-divider, .library-text{display:none}}

.adsbygoogle{display:block;border-radius:14px;background:transparent;max-width:100%;min-height:50px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

h1,h1.visually-hidden,.container h2{display:flex;align-items:center;box-sizing:border-box;max-width:1350px;width:100%;margin:20px auto;}h1,h1.visually-hidden{color:#1a1a1a;font-size:40px;min-height:100px;padding:10px;position:relative;border-bottom:3px solid #1a1a1a}.container h2{font-size:16px;font-weight:700;color:#999;letter-spacing:2px;padding:10px 20px;}
.container{width:100%;margin:20px auto;}
.event-details::before{content:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24' fill='none' stroke='%23ff9900' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 10L12 5 2 10l10 5 10-5z'/%3E%3Cpath d='M6 12v5c3 3 9 3 12 0v-5'/%3E%3C/svg%3E") " " "Studento | UPSC"  " " url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24' fill='none' stroke='%23ff9900' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cpolyline points='10 9 9 9 8 9'/%3E%3C/svg%3E");display:block;font-size:16px;letter-spacing:3px;color:#8a8a8a;margin-bottom:15px;padding-bottom:10px;}
.event-details{background:transparent;min-height:75vh;width:100%;max-width:1000px;color:#02283d;margin:0 auto;font-size:20px;word-spacing:inherit;letter-spacing:inherit;font-weight:400;line-height:33px;padding:10px;/*counter-reset:item*/}@media(min-width:1000px){.event-details{padding:40px;text-align:justify;}}
.event-details h3{letter-spacing:inherit;max-width:inherit;color:inherit;font-size:30px;padding:inherit;margin:15px auto;border-bottom:2px solid #1a1a1a;cursor:pointer;position:relative;}.event-details h4,.event-details h5,.event-details h6{margin:0;font-size:inherit;color:#1a1a1a;border-bottom:2px solid #1a1a1a;cursor:pointer;position:relative;display:block}.event-details p,.event-details p b{margin:0;line-height:inherit;font-size:inherit;color:inherit;}.event-details b{font-weight:600;line-height:inherit;font-size:inherit;color:#334155}.event-details i{font-style:normal;color:#C2410C;}.event-details u{text-decoration:none;border-bottom:1px dashed #38bdf8;color:#334155}.event-details li::before{display:inline-block;vertical-align:top;margin-right:8px}.event-details li>h3,.event-details li>h4,.event-details li>h5,.event-details li>h6 {display:inline;vertical-align:top;margin:10px 0;}.event-details ul{list-style:none;margin:0 auto;padding:0;display:block;width:100%;}
.event-details li{margin:10px 0;padding:0 0 0 30px;border-radius:14px;position:relative;width:100%;box-sizing:border-box;display:block;color:#0369a1;}
.event-details table{width:100%;margin:40px 0;border-collapse:collapse;font-size:inherit}.event-details th{background:#1a1a1a;color:#fff;padding:15px;letter-spacing:inherit}.event-details td{padding:15px;border-bottom:1px solid #eee}
.event-details figure{width:100%;max-width:inherit;margin:20px auto;margin-bottom:50px;border:1px solid #eee;padding:10px;background:#fff}.event-details figure img{width:100%;height:100%;max-height:600px;filter:grayscale(100%);transition:0.3s}.event-details figure img:hover{filter:grayscale(0%)}@media(max-width:767px){.lg-active{grid-template-columns:1fr!important}}
.event-details figure figcaption{line-height:25px;font-size:14px;}
.breadcrumbs{display:block;width:100%;max-width:1350px;margin:30px auto;padding:40px;background:transparent;}.breadcrumbs::before{content:"Table of contents / Issues 2026";display:block;font-size:16px;font-weight:700;letter-spacing:2px;color:#8a8a8a;margin-bottom:10px;}.breadcrumbs-title{max-width:850px;background:none;color:#0369a1;font-size:36px;font-weight:400;padding:0 0 20px 0;margin:30px auto;border-bottom:2px solid #eee;cursor:pointer;position:relative;}.breadcrumbs-title::after{content:'';position:absolute;right:-50px;top:-80px;width:50px;height:50px;padding:8px;border:1px solid #999;border-radius:5px;background-color:#e0f2ff;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230000FF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;background-position:center;transition:.3s}.breadcrumbs.is-collapsed .breadcrumbs-title::after{transform:rotate(-180deg)}.breadcrumbs.is-collapsed ul{display:none}.breadcrumbs ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px 60px}.breadcrumbs>ul>li{border-top:3px solid #2f5d62;padding-top:20px;position:relative;counter-increment:section}.breadcrumbs>ul>li::before{content:counter(section,decimal-leading-zero) ".";display:block;font-size:52px;font-weight:700;color:#2f5d62;margin-bottom:10px}.breadcrumbs a{display:inline-block;color:#7a7a7a;text-decoration:none;font-weight:700;font-size:22px;text-transform:uppercase;transition:0.2s}.breadcrumbs a:hover{color:#C2410C}.breadcrumbs ul ul{display:block;margin:10px 0;padding:0;border:none}.breadcrumbs ul ul li{margin:8px 0;border:none;padding:0}.breadcrumbs ul ul li::before{content:none}.breadcrumbs ul ul a{font-size:16px;font-weight:400;color:#38bdf8;text-transform:none;line-height:1;}.active-breadcrumb,.breadcrumbs li.li-active>a{color:#2f5d62!important}
@media(max-width:767px){.breadcrumbs{padding:20px;margin:15px auto;overflow:hidden}.breadcrumbs-title{font-size:24px;max-width:100%;padding-right:50px}.breadcrumbs-title::after{right:0;top:-10px;width:40px;height:40px}.breadcrumbs ul{grid-template-columns:1fr;gap:20px}.breadcrumbs>ul>li::before{font-size:36px}.breadcrumbs a,.breadcrumbs ul ul a{font-size:18px;word-wrap:break-word}}
/* Video Grid & Content */
.video-top-right{display:grid;grid-template-columns:repeat(2,1fr);gap:25px;max-width:inherit;margin:10px auto;padding:10px}.video-top-right::before{content:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24' fill='none' stroke='%23ff9900' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='3' width='20' height='14' rx='2' ry='2'/%3E%3Cline x1='8' y1='21' x2='16' y2='21'/%3E%3Cline x1='12' y1='17' x2='12' y2='21'/%3E%3Cpolygon points='10 8 14 10 10 12 10 8'/%3E%3C/svg%3E") " Video Lectures";display:flex;align-items:center;justify-content:center;grid-column:1/-1;font-size:16px;letter-spacing:3px;color:#8a8a8a;margin-bottom:15px;padding-bottom:10px;text-align:center}.video-top-right iframe:first-child:nth-last-child(1){grid-column:1/-1;max-width:1000px;margin:30px auto}.video-top-right iframe{width:100%;aspect-ratio:16/9;height:auto;border-radius:12px;display:block;background:#000;border:1px solid #d1d5db;box-shadow:inset 6px 6px 12px rgba(0,0,0,.4),inset -2px -2px 6px rgba(255,255,255,.1),0 1px 2px rgba(255,255,255,.8)}@media(max-width:768px){.video-top-right{display:block}.video-top-right iframe{margin-bottom:20px}.video-top-right::before{font-size:18px}}

.svg-mindmaps{font-family:"Comic Neue";width:100%!important;letter-spacing:1px;border:none;max-width:inherit;margin:30px auto;overflow-x:auto;background:transparent;overflow-y:hidden;-webkit-overflow-scrolling:touch;display:block;border-radius:14px;}.svg-mindmaps svg{min-width:750px;background:transparent;width:100%;min-height:100vh;display:block}

.seo-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;width:100%;padding:0;margin-top:2rem;list-style:none}
.seo-links li{transition:transform .2s ease}
.seo-links li:hover{transform:translateY(-4px)}
.seo-links a{display:flex;align-items:center;color:#2563eb;gap:1rem;padding:1rem;border:1px solid #e5e7eb;border-radius:12px;text-decoration:none;height:100%;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.seo-links li a img{width:70px;height:70px;border-radius:8px;object-fit:cover;flex-shrink:0}
.seo-links li a strong{font-weight:600;color:#1e293b;background:0 0;border:0;text-align:left;padding:0}
.seo-links li a svg{width:60px;height:60px;padding:10px;margin-right:15px;flex-shrink:0;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,.25);border-radius:12px;vertical-align:middle;display:inline-block;transition:all .3s ease}
@media(max-width:1024px){.subject-content{grid-template-columns:1fr;text-align:center;justify-items:center}.subject-content h3{text-align:center}}
@media(max-width:768px){.seo-links{grid-template-columns:1fr}}
.main-header,.aside-flex-container,.hamburger-btn,.perf-nav-btn,.subject,.seo-links a,.t-bar,.event-details h3,h1,.breadcrumbs,.event-details{background:rgba(255,255,255,0.01);}
@supports (backdrop-filter:blur(26px)){.main-header,.aside-flex-container,.hamburger-btn,.perf-nav-btn,.subject,.seo-links a,.t-bar,.event-details h3,h1{backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px)}}
@supports (backdrop-filter:blur(26px)){.breadcrumbs,.event-details{backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px)}}
*{scrollbar-width:thin;scrollbar-color:#9ca3af transparent}
/* ===== MEDIA Query ===== */
@media(max-width:768px){.event-details{font-size:21px;line-height:inherit;padding:10px 10px 120px 10px;}.event-details h3{padding:10px;}.event-details p{font-size:21px;}/*.event-details li{padding:5px}*/.event-details figure figcaption{font-size:16px;}.breadcrumbs-title::after{right:-10px;}}