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var(--space-8);font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.6}.landing-hero-cta{justify-content:center;align-items:center;gap:var(--space-4);margin-bottom:var(--space-8);flex-wrap:wrap;display:flex}.landing-hero-principle{align-items:center;gap:var(--space-2);color:var(--color-text-muted);background-color:var(--color-bg-surface);padding:var(--space-3) var(--space-5);border-radius:var(--radius-full);box-shadow:var(--neu-inset-sm);border:1px solid #fff6;font-size:.88rem;font-weight:600;display:inline-flex}.landing-flow-visual{margin-top:var(--space-10);background-color:var(--color-bg-surface);border-radius:var(--radius-xl);padding:var(--space-8);box-shadow:var(--neu-raised-lg);text-align:left;border:1px solid #ffffff73}.flow-steps-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid;position:relative}.flow-step-card{background-color:var(--color-bg-surface);border-radius:var(--radius-md);padding:var(--space-5);gap:var(--space-2);box-shadow:var(--neu-raised-sm);transition:all var(--transition-fast);border:1px solid #fff6;flex-direction:column;display:flex}.flow-step-card:hover{box-shadow:var(--neu-raised-hover);transform:translateY(-2px)}.flow-step-number{text-transform:uppercase;color:var(--color-primary);letter-spacing:.08em;font-size:.72rem;font-weight:800}.flow-step-title{color:var(--color-text-main);font-size:1.05rem;font-weight:700}.flow-step-desc{color:var(--color-text-muted);font-size:.84rem;line-height:1.45}.landing-section{padding:var(--space-12) var(--space-6);width:100%;max-width:1140px;margin:0 auto}.landing-section-header{text-align:center;max-width:680px;margin:0 auto var(--space-10)}.landing-section-tag{text-transform:uppercase;letter-spacing:.08em;color:var(--color-primary);margin-bottom:var(--space-2);font-size:.75rem;font-weight:800}.landing-section-title{color:var(--color-text-main);letter-spacing:-.025em;margin-bottom:var(--space-3);font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800}.landing-section-subtitle{color:var(--color-text-muted);font-size:1.05rem;line-height:1.6}.benefits-grid{gap:var(--space-6);grid-template-columns:repeat(auto-fit,minmax(310px,1fr));display:grid}.benefit-card{background-color:var(--color-bg-surface);border-radius:var(--radius-lg);padding:var(--space-6);gap:var(--space-3);box-shadow:var(--neu-raised);transition:all var(--transition-normal);border:1px solid 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h3{color:var(--color-text-main);letter-spacing:-.02em;margin-bottom:var(--space-3);font-size:1.6rem;font-weight:800}.drive-box-content p{color:var(--color-text-muted);margin-bottom:var(--space-5);font-size:.96rem;line-height:1.6}.drive-feature-list{gap:var(--space-3);flex-direction:column;list-style:none;display:flex}.drive-feature-item{align-items:flex-start;gap:var(--space-3);color:var(--color-text-body);font-size:.92rem;font-weight:500;display:flex}.drive-feature-item svg{color:var(--color-drive-blue);flex-shrink:0;margin-top:3px}.drive-visual-card{background-color:var(--color-bg-surface);border-radius:var(--radius-lg);padding:var(--space-8);box-shadow:var(--neu-inset);text-align:center;border:1px solid #fff6}.landing-cta-banner{background-color:var(--color-bg-surface);color:var(--color-text-main);border-radius:var(--radius-xl);padding:var(--space-10) var(--space-8);text-align:center;margin:var(--space-6) auto var(--space-12);max-width:1020px;width:calc(100% - var(--space-12));box-shadow:var(--neu-raised-xl);border:1px solid #ffffff80}.landing-cta-title{letter-spacing:-.025em;margin-bottom:var(--space-3);color:var(--color-text-main);font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800}.landing-cta-subtitle{color:var(--color-text-muted);max-width:600px;margin:0 auto var(--space-6);font-size:1.05rem;line-height:1.6}.landing-footer{box-shadow:none;padding:var(--space-8) var(--space-6) var(--space-10);background-color:#0000;border-top:none;margin-top:auto}.landing-footer-container{text-align:center;justify-content:center;align-items:center;max-width:1140px;margin:0 auto;display:flex}.landing-footer-text{color:var(--color-text-muted);font-size:.88rem;font-weight:500}.auth-page{min-height:100vh;padding:var(--space-6) var(--space-4);background-color:#f7e7ce;flex-direction:column;justify-content:center;align-items:center;display:flex}.auth-container{width:100%;max-width:880px}.auth-card-wrapper{background-color:#fff;border-radius:28px;grid-template-columns:1fr 1.1fr;align-items:stretch;gap:32px;padding:24px;display:grid;box-shadow:0 12px 36px #785f3c1f,0 2px 8px #0000000a}@media (width<=768px){.auth-card-wrapper{border-radius:20px;grid-template-columns:1fr;gap:24px;padding:20px}}.auth-visual-panel{background-color:#0c0b0b;border-radius:20px;flex-direction:column;justify-content:space-between;min-height:440px;padding:36px 32px 24px;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff14}@media (width<=768px){.auth-visual-panel{min-height:240px;padding:28px 24px 20px}}.auth-visual-headline{color:#fff;letter-spacing:-.025em;z-index:2;max-width:320px;font-size:clamp(1.6rem,2.8vw,2.1rem);font-weight:700;line-height:1.25;position:relative}.auth-visual-graphic{pointer-events:none;z-index:1;height:240px;position:absolute;bottom:0;left:0;right:0}.glow-pillar-container{justify-content:flex-start;align-items:flex-end;width:100%;height:100%;padding-left:20px;display:flex;position:relative}.glow-pillar{filter:blur(1px);border-radius:4px 4px 0 0;position:absolute;bottom:0}.pillar-1{filter:blur(8px);background:linear-gradient(#ea580c00 0%,#f9731673 40%,#fb923cd9 75%,#fff 100%);width:38px;height:180px;left:18px}.pillar-2{filter:blur(4px);background:linear-gradient(#d9460700 0%,#ea580c99 35%,#fdba74f2 75%,#fff 100%);width:52px;height:210px;left:46px}.pillar-3{filter:blur(6px);background:linear-gradient(#d9460700 0%,#ea580c80 30%,#fb923ccc 70%,#fff 100%);width:44px;height:195px;left:88px}.pillar-ambient{filter:blur(16px);background:radial-gradient(at 0 100%,#ea580c66 0%,#c2410c26 50%,#0000 80%);height:150px;bottom:0;left:0;right:0}.auth-form-panel{flex-direction:column;justify-content:center;padding:12px 12px 12px 0;display:flex}@media (width<=768px){.auth-form-panel{padding:4px}}.auth-sunburst-logo{color:#ea580c;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:18px;display:flex}.auth-sunburst-logo img{width:34px;height:34px}.auth-form-title{color:#171717;letter-spacing:-.03em;margin-bottom:6px;font-size:1.85rem;font-weight:700;line-height:1.2}.auth-form-subtitle{color:#737373;margin-bottom:24px;font-size:.88rem}.auth-form-group{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.auth-input-label{color:#525252;font-size:.82rem;font-weight:500}.auth-input-field{color:#171717;background-color:#fff;border:1px solid #e5e7eb;border-radius:10px;outline:none;width:100%;padding:11px 14px;font-family:inherit;font-size:.92rem;transition:border-color .15s,box-shadow .15s}.auth-input-field:focus{border-color:#ea580c;box-shadow:0 0 0 3px #ea580c26}.auth-input-field::placeholder{color:#a3a3a3}.auth-btn-primary-orange{color:#fff;cursor:pointer;background-color:#ea580c;border:none;border-radius:10px;width:100%;margin-top:6px;padding:13px 20px;font-size:.95rem;font-weight:600;transition:background-color .15s,transform .1s,box-shadow .15s;box-shadow:0 2px 6px #ea580c40}.auth-btn-primary-orange:hover{background-color:#c2410c;box-shadow:0 4px 12px #ea580c59}.auth-btn-primary-orange:active{transform:translateY(1px)}.auth-toggle-text{text-align:center;color:#737373;margin-top:16px;font-size:.84rem}.auth-toggle-link{color:#171717;cursor:pointer;font-weight:600;font-size:inherit;background:0 0;border:none;padding:0;font-family:inherit;text-decoration:underline}.auth-toggle-link:hover{color:#ea580c}.auth-divider-mini{color:#a3a3a3;text-transform:uppercase;letter-spacing:.05em;align-items:center;margin:18px 0;font-size:.75rem;display:flex}.auth-divider-mini:before,.auth-divider-mini:after{content:"";border-bottom:1px solid #f0f0f0;flex:1}.auth-divider-mini span{padding:0 12px}.auth-btn-google-pill{color:#374151;cursor:pointer;background-color:#fff;border:1px solid #e5e7eb;border-radius:10px;justify-content:center;align-items:center;gap:10px;width:100%;padding:10px 16px;font-size:.88rem;font-weight:500;transition:background-color .15s,border-color .15s;display:flex}.auth-btn-google-pill:hover{background-color:#f9fafb;border-color:#d1d5db}.auth-footer-nav{text-align:center;justify-content:center;align-items:center;gap:16px;margin-top:24px;font-size:.85rem;display:flex}.auth-footer-nav a{color:#786b59;align-items:center;gap:4px;font-weight:500;text-decoration:none;transition:color .15s;display:inline-flex}.auth-footer-nav a:hover{color:#292524;text-decoration:underline}.app-container{background-color:var(--color-bg-app);width:100%;min-height:100vh;display:flex}.app-sidebar{width:var(--sidebar-width);height:calc(100vh - var(--space-8));margin:var(--space-4) 0 var(--space-4) var(--space-4);background-color:var(--color-bg-surface);box-shadow:var(--neu-raised-lg);border-radius:var(--radius-xl);top:var(--space-4);z-index:40;transition:width var(--transition-normal);border:1px solid #ffffffa6;flex-direction:column;flex-shrink:0;display:flex;position:sticky;overflow:hidden}.app-sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-header{height:var(--topbar-height);padding:0 var(--space-4);border-bottom:1px solid #baa28433;justify-content:space-between;align-items:center;display:flex}.brand-link{align-items:center;gap:var(--space-3);text-decoration:none;display:flex;overflow:hidden}.brand-logo-icon{background-color:var(--color-primary);width:36px;height:36px;color:var(--color-text-inverse);border-radius:var(--radius-md);box-shadow:3px 3px 8px var(--neu-dark), -2px -2px 6px var(--neu-light);flex-shrink:0;justify-content:center;align-items:center;font-size:1.15rem;font-weight:800;display:flex}.brand-logo-icon img{width:24px;height:24px}.brand-info{white-space:nowrap;transition:opacity var(--transition-fast);flex-direction:column;display:flex}.brand-title{letter-spacing:-.03em;color:var(--color-text-main);font-size:1.15rem;font-weight:800;line-height:1.1}.brand-subtitle{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem;font-weight:600}.sidebar-toggle-btn{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--color-text-muted);background-color:var(--color-bg-surface);box-shadow:var(--neu-raised-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid #fff6;justify-content:center;align-items:center;display:flex}.sidebar-toggle-btn:hover{color:var(--color-text-main);box-shadow:var(--neu-raised-hover)}.sidebar-toggle-btn:active{box-shadow:var(--neu-inset-sm)}.app-sidebar.collapsed .brand-info,.app-sidebar.collapsed .nav-section-title,.app-sidebar.collapsed .nav-item-label,.app-sidebar.collapsed .nav-item-badge,.app-sidebar.collapsed .drive-status-details{display:none}.app-sidebar.collapsed .sidebar-header{padding:0 var(--space-2);justify-content:center}.app-sidebar.collapsed .brand-link{justify-content:center}.app-sidebar.collapsed .sidebar-toggle-btn{display:none}.sidebar-nav{padding:var(--space-4) var(--space-3);gap:var(--space-5);flex-direction:column;flex:1;display:flex;overflow:hidden auto}.nav-section{gap:var(--space-2);flex-direction:column;display:flex}.nav-section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-faint);padding:0 var(--space-3) var(--space-1);font-size:.68rem;font-weight:700}.nav-item{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);color:var(--color-text-body);transition:all var(--transition-fast);background-color:#0000;min-height:42px;font-size:.88rem;font-weight:500;text-decoration:none;display:flex;position:relative}.nav-item:hover{color:var(--color-text-main);background-color:var(--color-bg-surface);box-shadow:var(--neu-raised-sm);border:1px solid 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auto}.view-header{margin-bottom:var(--space-6);justify-content:space-between;align-items:flex-start;gap:var(--space-4);flex-wrap:wrap;display:flex}.view-title-group{gap:var(--space-1);flex-direction:column;display:flex}.view-title{letter-spacing:-.03em;color:var(--color-text-main);font-size:1.85rem;font-weight:800}.view-subtitle{color:var(--color-text-muted);max-width:640px;font-size:.95rem;line-height:1.5}.view-actions{align-items:center;gap:var(--space-3);display:flex}.drawer-backdrop{-webkit-backdrop-filter:blur(4px);z-index:50;opacity:0;transition:opacity var(--transition-normal);background-color:#241c1566;display:none;position:fixed;inset:0}.drawer-backdrop.active{opacity:1;display:block}@media (width<=900px){.app-sidebar{z-index:60;transition:transform var(--transition-normal);position:fixed;top:0;bottom:0;left:-280px}.app-sidebar.mobile-open{transform:translate(280px)}.mobile-menu-btn{display:flex}}.app-container.public-mode{background-color:var(--color-bg-app);min-height:100vh;display:block}.app-container.public-mode .app-main{background-color:var(--color-bg-app);width:100%}.app-container.public-mode .view-stage{max-width:100%;padding:0}.app-bottom-bar{display:none}.btn{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-md);transition:all var(--transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none;cursor:pointer;border:1px solid #fff6;padding:10px 18px;font-family:inherit;font-size:.875rem;font-weight:600;line-height:1.25;text-decoration:none;display:inline-flex}.btn-primary{background-color:var(--color-primary);color:#fff;box-shadow:4px 4px 10px var(--neu-dark), -3px -3px 8px var(--neu-light);border:1px solid #ffffff40}.btn-primary:hover{background-color:var(--color-primary-hover);box-shadow:5px 5px 14px var(--neu-dark), -4px -4px 10px var(--neu-light);color:#fff}.btn-primary:active{transform:translateY(1px);box-shadow:inset 3px 3px 6px #00000059,inset -2px -2px 4px #fff3}.btn-secondary{background-color:var(--color-bg-surface);color:var(--color-text-main);box-shadow:var(--neu-raised-sm)}.btn-secondary:hover{color:var(--color-text-main);box-shadow:var(--neu-raised-hover);background-color:var(--color-bg-hover)}.btn-secondary:active{box-shadow:var(--neu-inset-sm);transform:translateY(1px)}.btn-outline{background-color:var(--color-bg-surface);color:var(--color-text-body);box-shadow:var(--neu-raised-sm)}.btn-outline:hover{color:var(--color-text-main);box-shadow:var(--neu-raised-hover)}.btn-outline:active{box-shadow:var(--neu-inset-sm)}.btn-ghost{color:var(--color-text-muted);background-color:#0000;border-color:#0000}.btn-ghost:hover{background-color:var(--color-bg-surface);color:var(--color-text-main);box-shadow:var(--neu-raised-sm);border-color:#fff6}.btn-ghost:active{box-shadow:var(--neu-inset-sm)}.btn-danger{background-color:var(--color-bg-surface);color:var(--color-accent-rose);box-shadow:var(--neu-raised-sm)}.btn-danger:hover{background-color:var(--color-accent-rose);color:#fff;box-shadow:4px 4px 10px var(--neu-dark)}.btn-danger:active{box-shadow:inset 3px 3px 6px #0000004d}.btn-drive{background-color:var(--color-bg-surface);color:var(--color-drive-blue);box-shadow:var(--neu-raised-sm)}.btn-drive:hover{box-shadow:var(--neu-raised-hover);color:var(--color-drive-blue)}.btn-drive:active{box-shadow:var(--neu-inset-sm)}.btn-sm{border-radius:var(--radius-sm);padding:6px 12px;font-size:.8rem}.btn-lg{border-radius:var(--radius-lg);padding:12px 24px;font-size:1rem}.btn-icon-only{border-radius:var(--radius-md);background-color:var(--color-bg-surface);width:40px;height:40px;box-shadow:var(--neu-raised-sm);padding:0}.btn-icon-only:hover{box-shadow:var(--neu-raised-hover)}.btn-icon-only:active{box-shadow:var(--neu-inset-sm)}.btn-icon-only.btn-sm{border-radius:var(--radius-sm);width:32px;height:32px}.form-group{gap:var(--space-2);margin-bottom:var(--space-5);flex-direction:column;display:flex}.form-label{color:var(--color-text-body);letter-spacing:.02em;font-size:.82rem;font-weight:700}.form-input,.form-select,.form-textarea{background-color:var(--color-bg-surface);border-radius:var(--radius-md);width:100%;color:var(--color-text-main);box-shadow:var(--neu-inset);transition:all var(--transition-fast);border:1px solid #fff6;outline:none;padding:11px 16px;font-family:inherit;font-size:.92rem}.form-input:focus,.form-select:focus,.form-textarea:focus{box-shadow:var(--neu-inset-deep), 0 0 0 2px #ea580c4d;border-color:#ea580c80}.form-input::placeholder{color:var(--color-text-faint)}.search-box{align-items:center;width:100%;display:flex;position:relative}.search-box-icon{left:var(--space-3);color:var(--color-text-faint);pointer-events:none;align-items:center;display:flex;position:absolute}.search-input{background-color:var(--color-bg-surface);border-radius:var(--radius-md);width:100%;color:var(--color-text-main);box-shadow:var(--neu-inset);transition:all var(--transition-fast);border:1px solid #fff6;outline:none;padding:10px 14px 10px 38px;font-family:inherit;font-size:.9rem}.search-input:focus{box-shadow:var(--neu-inset-deep), 0 0 0 2px #ea580c59}.hero-search-box .search-input{border-radius:var(--radius-lg);box-shadow:var(--neu-inset);border:1px solid #ffffff80;padding:14px 20px 14px 44px;font-size:1.05rem}.hero-search-box .search-box-icon{left:var(--space-4);width:22px;height:22px}.card{background-color:var(--color-bg-surface);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--neu-raised);transition:all var(--transition-normal);border:1px solid #ffffff73}.card-clickable{cursor:pointer}.card-clickable:hover{box-shadow:var(--neu-raised-hover);transform:translateY(-2px)}.card-clickable:active{box-shadow:var(--neu-inset-sm);transform:translateY(0)}.grid-2{gap:var(--space-5);grid-template-columns:repeat(2,1fr);display:grid}.grid-3{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(290px,1fr));display:grid}.grid-4{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(230px,1fr));display:grid}@media (width<=640px){.grid-2{grid-template-columns:1fr}}.year-card{gap:var(--space-4);flex-direction:column;display:flex}.year-card-header{justify-content:space-between;align-items:center;display:flex}.year-title{color:var(--color-text-main);letter-spacing:-.02em;font-size:1.3rem;font-weight:800}.semesters-list{gap:var(--space-3);flex-direction:column;display:flex}.semester-pill-link{background-color:var(--color-bg-surface);border-radius:var(--radius-md);box-shadow:var(--neu-raised-sm);transition:all var(--transition-fast);color:var(--color-text-main);border:1px solid #fff6;justify-content:space-between;align-items:center;padding:12px 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#baa28440;justify-content:space-between;align-items:center;font-size:.8rem;display:flex}.category-filter-bar{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-1) var(--space-3);margin-bottom:var(--space-5);scrollbar-width:thin;display:flex;overflow-x:auto}.category-pill{align-items:center;gap:var(--space-2);border-radius:var(--radius-full);background-color:var(--color-bg-surface);box-shadow:var(--neu-raised-sm);color:var(--color-text-body);white-space:nowrap;transition:all var(--transition-fast);cursor:pointer;border:1px solid #fff6;padding:8px 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#ffffff73;display:flex}.file-row:hover{box-shadow:var(--neu-raised-hover);transform:translateY(-1px)}.file-icon-box{border-radius:var(--radius-md);background-color:var(--color-bg-surface);width:40px;height:40px;box-shadow:var(--neu-inset-sm);border:1px solid #ffffff59;flex-shrink:0;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.file-icon-pdf{color:var(--cat-exams)}.file-icon-doc{color:var(--cat-lectures)}.file-icon-ppt{color:var(--cat-presentations)}.file-icon-sheet{color:var(--cat-assignments)}.file-icon-image{color:var(--cat-lab)}.file-icon-other{color:var(--cat-other)}.file-info{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.file-name-row{align-items:center;gap:var(--space-2);display:flex}.file-name{color:var(--color-text-main);white-space:nowrap;text-overflow:ellipsis;cursor:pointer;font-size:.94rem;font-weight:700;text-decoration:none;overflow:hidden}.file-name:hover{color:var(--color-primary);text-decoration:underline}.file-meta-row{align-items:center;gap:var(--space-3);color:var(--color-text-muted);flex-wrap:wrap;font-size:.75rem;display:flex}.file-category-badge{border-radius:var(--radius-sm);background-color:var(--color-bg-surface);box-shadow:var(--neu-inset-sm);padding:2px 7px;font-size:.7rem;font-weight:600}.file-actions{align-items:center;gap:var(--space-2);display:flex}.star-btn{border-radius:var(--radius-sm);width:34px;height:34px;color:var(--color-text-faint);background-color:var(--color-bg-surface);box-shadow:var(--neu-raised-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid #fff6;justify-content:center;align-items:center;display:flex}.star-btn:hover{color:var(--color-accent-amber);box-shadow:var(--neu-raised-hover)}.star-btn:active{box-shadow:var(--neu-inset-sm)}.star-btn.starred{color:var(--color-accent-amber);box-shadow:var(--neu-inset-sm)}.modal-overlay{-webkit-backdrop-filter:blur(5px);padding:var(--space-4);z-index:100;opacity:0;visibility:hidden;transition:opacity var(--transition-normal), visibility var(--transition-normal);background-color:#241c1573;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-overlay.active{opacity:1;visibility:visible}.modal-card{background-color:var(--color-bg-surface);border-radius:var(--radius-xl);box-shadow:var(--neu-raised-xl);width:100%;max-width:540px;max-height:90vh;transition:transform var(--transition-normal);border:1px solid #ffffff80;flex-direction:column;display:flex;overflow:hidden;transform:translateY(12px)scale(.98)}.modal-overlay.active .modal-card{transform:translateY(0)scale(1)}.modal-header{padding:var(--space-5) var(--space-6);border-bottom:1px solid #baa28440;justify-content:space-between;align-items:center;display:flex}.modal-title{letter-spacing:-.02em;color:var(--color-text-main);font-size:1.25rem;font-weight:800}.modal-body{padding:var(--space-6);overflow-y:auto}.modal-footer{padding:var(--space-4) var(--space-6);background-color:var(--color-bg-surface);justify-content:flex-end;align-items:center;gap:var(--space-3);border-top:1px solid #baa28440;display:flex}.state-box{text-align:center;padding:var(--space-12) var(--space-6);background-color:var(--color-bg-surface);box-shadow:var(--neu-inset);border-radius:var(--radius-lg);margin:var(--space-5) 0;border:1px solid #fff6;flex-direction:column;justify-content:center;align-items:center;display:flex}.state-icon{border-radius:var(--radius-xl);background-color:var(--color-bg-surface);width:56px;height:56px;box-shadow:var(--neu-raised);color:var(--color-primary);margin-bottom:var(--space-4);border:1px solid #fff6;justify-content:center;align-items:center;display:flex}.state-title{color:var(--color-text-main);margin-bottom:var(--space-1);font-size:1.2rem;font-weight:700}.state-description{color:var(--color-text-muted);max-width:440px;margin-bottom:var(--space-4);font-size:.9rem;line-height:1.5}.toast-container{bottom:var(--space-6);right:var(--space-6);gap:var(--space-3);z-index:110;pointer-events:none;flex-direction:column;display:flex;position:fixed}.toast{pointer-events:auto;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);color:#fff;border-radius:var(--radius-md);opacity:0;max-width:380px;transition:transform var(--transition-normal), opacity var(--transition-normal);background-color:#241c15;font-size:.875rem;font-weight:600;display:flex;transform:translateY(20px);box-shadow:6px 6px 18px #00000040}.toast.show{opacity:1;transform:translateY(0)}.toast.toast-error{background-color:var(--color-accent-rose)}.toast.toast-success{background-color:#15803d}@media (width<=1024px){:root{--sidebar-width:240px;--space-8:1.5rem}.view-stage{padding:var(--space-6) var(--space-4)}.grid-2{grid-template-columns:1fr}}@media (width<=768px){html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}input:not([type=checkbox]):not([type=radio]),select,textarea{font-size:16px}.app-sidebar{display:none!important}.app-bottom-bar{border-radius:var(--radius-xl);z-index:50;-webkit-backdrop-filter:blur(18px)saturate(135%);background-color:#f7e7ceb8;border:1px solid #ffffffa3;justify-content:space-around;align-items:center;height:68px;padding:6px 8px;display:flex;position:fixed;bottom:12px;left:12px;right:12px;box-shadow:8px 10px 22px #baa2845c,-4px -4px 12px #ffffff80}.app-container.public-mode .app-bottom-bar{display:none!important}.bottom-nav-item{border-radius:var(--radius-md);color:var(--color-text-muted);max-width:64px;transition:all var(--transition-fast);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:8px 4px;font-size:.65rem;font-weight:600;text-decoration:none;display:flex}.bottom-nav-item:hover{color:var(--color-text-main)}.bottom-nav-item.active{color:var(--color-primary);background-color:#ffffff38;border:1px solid #ffffff4d;font-weight:700;box-shadow:inset 2px 2px 4px #baa28447,inset -2px -2px 4px #ffffff73}.bottom-nav-icon{justify-content:center;align-items:center;width:20px;height:20px;display:flex}.bottom-nav-icon svg{width:18px;height:18px}.landing-navbar{padding:var(--space-3) var(--space-3) 0}.landing-nav-container{padding:var(--space-2) var(--space-4);border-radius:var(--radius-xl);min-height:56px}.landing-nav-links{display:none}.view-stage{padding:var(--space-4) var(--space-3) calc(88px + var(--space-3))}.view-header{align-items:stretch;gap:var(--space-3);flex-direction:column}.view-actions{flex-wrap:wrap;width:100%}.view-actions .btn{white-space:normal;text-align:center;flex:1;min-width:0;padding:9px 10px;font-size:.8rem}.view-title{font-size:1.6rem}.view-subtitle{font-size:.875rem}.card{padding:var(--space-4)}.grid-3,.grid-4{grid-template-columns:1fr}.file-row{align-items:stretch;gap:var(--space-3);flex-direction:column}.file-actions{border-top:1px solid var(--color-border-subtle);padding-top:var(--space-2);justify-content:flex-end}.toast-container{left:var(--space-4);right:var(--space-4);bottom:var(--space-4)}.toast{max-width:100%}}@media (width<=390px){.view-title{font-size:1.45rem}.view-header{margin-bottom:var(--space-4)}.view-actions{gap:var(--space-2)}.card{padding:var(--space-3)}}@media print{.app-sidebar,.app-topbar,.view-actions,.toast-container{display:none!important}.app-main,.view-stage{max-width:100%!important;margin:0!important;padding:0!important}}