@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--tks-navy:#0f172a;--tks-blue:#2563eb;--tks-blue-hover:#1d4ed8;--tks-light-bg:#f1f5f9;--tks-card-bg:#fff;--tks-border:#cbd5e1;--tks-text-main:#0f172a;--tks-text-muted:#475569;--tks-radius:12px;--tks-shadow:0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1)}body{background-color:var(--tks-light-bg);color:var(--tks-text-main);margin:0;font-family:Inter,sans-serif;line-height:1.5}.tks-card{background:var(--tks-card-bg);border:1px solid var(--tks-border);border-radius:var(--tks-radius);box-shadow:var(--tks-shadow);padding:1rem;transition:transform .2s}.tks-btn-primary{background-color:var(--tks-blue)!important;color:#fff!important;border:none!important;border-radius:8px!important;justify-content:center!important;align-items:center!important;padding:12px 24px!important;font-weight:600!important;text-decoration:none!important;transition:all .2s!important;display:inline-flex!important}.tks-btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,.3);background-color:var(--tks-blue-hover)!important}.tks-btn-outline{color:var(--tks-navy)!important;border:2px solid var(--tks-navy)!important;background-color:transparent!important;border-radius:8px!important;padding:10px 22px!important;font-weight:600!important;text-decoration:none!important;transition:all .2s!important}.tks-btn-outline:hover{background-color:var(--tks-navy)!important;color:#fff!important}.tks-input{border:2px solid var(--tks-border);width:100%;color:var(--tks-text-main);background:#fff;border-radius:8px;padding:12px 16px;font-size:1rem}.tks-input:focus{border-color:var(--tks-blue);outline:none;box-shadow:0 0 0 4px rgba(37,99,235,.1)}:root{--tks-sidebar-width:260px;--tks-header-height:64px}.sidebar{width:var(--tks-sidebar-width);background:var(--tks-navy);color:#fff;z-index:1001;flex-direction:column;height:100vh;padding:1rem .75rem;display:flex;position:fixed;top:0;left:0;overflow-y:auto;box-shadow:4px 0 10px rgba(0,0,0,.1)}.sidebar-link{border-radius:8px;align-items:center;gap:10px;margin-bottom:4px;padding:8px 12px;font-size:.9rem;font-weight:500;transition:all .2s;display:flex;color:rgba(255,255,255,.75)!important;text-decoration:none!important}.sidebar-link:hover,.sidebar-link.active{background:rgba(255,255,255,.12);color:#fff!important}.sidebar-link.active{box-shadow:0 4px 12px rgba(37,99,235,.25);background:var(--tks-blue)!important}.btn-logout{margin-top:10px;color:#ef4444!important;background-color:rgba(239,68,68,.1)!important;border:1px solid rgba(239,68,68,.2)!important}.btn-logout:hover{color:#fff!important;background-color:#ef4444!important}.app-header{height:var(--tks-header-height);top:0;left:var(--tks-sidebar-width);z-index:1000;background:#fff;border-bottom:1px solid #e2e8f0;align-items:center;padding:0 1.5rem;display:flex;position:fixed;right:0;box-shadow:0 2px 4px rgba(0,0,0,.02)}.main-content{margin-left:var(--tks-sidebar-width);margin-top:var(--tks-header-height);min-height:calc(100vh - var(--tks-header-height));background-color:var(--tks-light-bg);padding:1rem 1.5rem}.hero-section{color:#fff;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);padding:100px 0}.text-navy{color:var(--tks-navy)!important}.bg-navy{background-color:var(--tks-navy)!important}.text-muted{color:var(--tks-text-muted)!important}.bg-gradient-blue{background:linear-gradient(135deg,#2563eb 0%,#1e3a8a 100%)!important}.bg-soft-primary{background-color:rgba(37,99,235,.1)!important}.bg-soft-success{background-color:rgba(16,185,129,.1)!important}.bg-soft-warning{background-color:rgba(245,158,11,.1)!important}.bg-soft-danger{background-color:rgba(239,68,68,.1)!important}.bg-soft-info{background-color:rgba(14,165,233,.1)!important}.bg-soft-navy{background-color:rgba(15,23,42,.1)!important}.hover-lift{transition:transform .2s,box-shadow .2s}.hover-lift:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,.1)!important}.login-container{background-color:#f8fafc;justify-content:center;align-items:center;min-height:90vh;display:flex}.login-card{background:#fff;border-radius:20px;width:100%;max-width:440px;padding:3rem;box-shadow:0 25px 50px -12px rgba(0,0,0,.15)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-page{animation:.4s ease-out forwards fadeInUp}.pdf-reader-view{z-index:99999;background-color:#020617;flex-direction:column;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0;overflow:hidden}.pdf-reader-bar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;z-index:10;background:rgba(15,23,42,.9);border-bottom:1px solid rgba(255,255,255,.1);align-items:center;height:64px;padding:0 1rem;display:flex}.btn-back-reader{color:#fff;background:rgba(255,255,255,.1);border:none;border-radius:8px;align-items:center;padding:8px 16px;font-weight:600;transition:all .2s;display:flex}.btn-back-reader:hover{background:rgba(255,255,255,.2)}.reader-title{opacity:.9;max-width:500px;font-size:1.1rem;font-weight:500}.btn-reader-action{color:#fff;background:rgba(255,255,255,.1);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;text-decoration:none;transition:all .2s;display:flex}.btn-reader-action:hover{background:var(--tks-blue);color:#fff;transform:scale(1.05)}.reader-workspace{background:#020617;flex:1;justify-content:center;align-items:center;padding:0;display:flex;position:relative;overflow:hidden}.book-container{perspective:3000px;justify-content:center;align-items:center;width:100%;height:calc(100vh - 64px);display:flex;overflow:hidden}.pdf-book{box-shadow:0 50px 100px -20px rgba(0,0,0,.7)}.pdf-page-container{background-color:#fff;overflow:hidden;box-shadow:inset 5px 0 10px rgba(0,0,0,.05)}.pdf-page-inner{flex-direction:column;height:100%;display:flex;position:relative}.pdf-page-number{color:#94a3b8;font-size:12px;font-weight:600;position:absolute;bottom:15px;right:20px}.book-cover-content{color:#fff;text-align:center;background:linear-gradient(135deg,#1e3a8a 0%,#0f172a 100%);border-right:2px solid rgba(0,0,0,.2);flex-direction:column;justify-content:center;height:100%;padding:40px;display:flex}.cover-badge{background:var(--tks-blue);text-transform:uppercase;letter-spacing:1px;border-radius:50px;align-self:center;margin-bottom:24px;padding:6px 16px;font-size:12px;font-weight:700;display:inline-block}.cover-title{margin-bottom:24px;font-size:2.2rem;font-weight:800;line-height:1.2}.cover-divider{background:var(--tks-blue);border-radius:2px;width:60px;height:4px;margin:0 auto 24px}.cover-desc{opacity:.7;margin-bottom:40px;font-size:1rem}.cover-footer{opacity:.5;letter-spacing:1px;justify-content:space-between;margin-top:auto;font-size:11px;font-weight:600;display:flex}.back-cover{background:#0f172a}.back-cover-logo{letter-spacing:-2px;opacity:.1;margin-bottom:20px;font-size:3rem;font-weight:900}.reader-loader{color:#fff;text-align:center}.spinner-icon{font-size:3rem;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.reader-nav-btns{pointer-events:none;justify-content:space-between;width:100%;padding:0 40px;display:flex;position:absolute}.nav-btn{color:#fff;cursor:pointer;pointer-events:auto;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:1.5rem;transition:all .3s;display:flex}.nav-btn:hover:not(:disabled){background:rgba(255,255,255,.2);transform:scale(1.1)}.nav-btn:disabled{opacity:.2;cursor:not-allowed}.page-loading{background:#f8fafc;justify-content:center;align-items:center;height:100%;display:flex}.react-pdf__Page__canvas{max-width:100%;height:auto!important}.react-pdf__Document{flex-direction:column;align-items:center;display:flex}[dir=rtl] .sidebar{left:auto;right:0;box-shadow:-4px 0 10px rgba(0,0,0,.1)}[dir=rtl] .app-header{left:0;right:var(--tks-sidebar-width)}[dir=rtl] .main-content{margin-left:0;margin-right:var(--tks-sidebar-width)}[dir=rtl] .sidebar-link{gap:10px}[dir=rtl] .sidebar-link i{margin-left:0}[dir=rtl] .sidebar-link svg{margin-left:0}[dir=rtl] .ms-auto{margin-left:0!important;margin-right:auto!important}[dir=rtl] .me-2{margin-left:.5rem!important;margin-right:0!important}[dir=rtl] .text-end{text-align:left!important}[dir=rtl] .text-start{text-align:right!important}