:root,[data-theme=nocturno]{--bg-primary: #f4f2ee;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-hover: #ebebeb;--bg-tertiary: #f8f8f8;--text-primary: #191919;--text-secondary: #404040;--text-muted: #666666;--accent-blue: #0891b2;--accent-purple: #6366f1;--accent-green: #057642;--accent-orange: #e16b16;--accent-red: #cc1016;--accent-cyan: #0073b1;--border: #e0dfdc;--border-subtle: #eae9e6;--shadow: 0 4px 12px rgba(0, 0, 0, .08);--shadow-sm: 0 1px 4px rgba(0, 0, 0, .06);--shadow-glow: 0 0 0 transparent;--radius: 10px;--radius-sm: 8px;--radius-lg: 14px;--theme-name: "nocturno";--font-display: "Bricolage Grotesque", "Georgia", serif;--font-sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--transition-fast: .12s ease;--transition-med: .2s ease;--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--bg-gradient: linear-gradient(135deg, #f4f2ee 0%, #ebe7df 50%, #f0ece4 100%);--card-gradient: 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.15s}.auth-semester-btn:hover{border-color:var(--accent-blue);color:var(--text-primary)}.auth-semester-btn.active{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.auth-gender-options{display:flex;gap:8px}.auth-gender-btn{flex:1;padding:10px 8px;border:1px solid var(--border);border-radius:10px;background:var(--bg-secondary);color:var(--text-secondary);font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:6px}.auth-gender-btn:hover{border-color:var(--accent-blue);color:var(--text-primary)}.auth-gender-btn.active{background:#4f8cff1f;border-color:var(--accent-blue);color:var(--accent-blue)}.auth-lang-row{display:flex;gap:6px;margin-bottom:20px;justify-content:center}.auth-lang-btn{padding:6px 10px;border:1px solid transparent;border-radius:6px;background:none;color:var(--text-muted);font-size:12px;font-family:inherit;cursor:pointer;transition:all .15s}.auth-lang-btn:hover{color:var(--text-primary);background:var(--bg-secondary)}.auth-lang-btn.active{color:var(--accent-blue);background:#4f8cff1a;border-color:#4f8cff4d}.auth-steps{display:flex;justify-content:center;gap:32px;margin-bottom:8px}.auth-step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);font-weight:500}.auth-step.active{color:var(--accent-blue)}.auth-step.done{color:var(--accent-green)}.auth-step-dot{width:28px;height:28px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;transition:all .2s}.auth-step.active .auth-step-dot{border-color:var(--accent-blue);background:#4f8cff26;color:var(--accent-blue)}.auth-step.done .auth-step-dot{border-color:var(--accent-green);background:#22c55e26;color:var(--accent-green)}.auth-progress-bar{height:3px;background:var(--border);border-radius:2px;margin-bottom:28px;overflow:hidden}.auth-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-blue),var(--accent-purple),var(--accent-blue));background-size:200% 100%;border-radius:2px;transition:width .4s ease;animation:shimmer 2s linear infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.btn-auth-primary{width:100%;padding:13px;background:linear-gradient(135deg,#0891b2,#4f46e5);color:#fff;border:none;border-radius:28px;font-size:15px;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .25s ease;margin-top:8px;letter-spacing:.01em;box-shadow:0 2px 8px #0891b240}.btn-auth-primary:hover{box-shadow:0 6px 20px #0891b259;transform:translateY(-1px)}.btn-auth-primary:active{transform:scale(.98)}.btn-auth-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-auth-secondary{padding:12px 24px;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:10px;font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;transition:all .15s}.btn-auth-secondary:hover{border-color:var(--text-muted)}.auth-actions{display:flex;gap:12px;margin-top:8px}.auth-actions .btn-auth-primary{flex:1}.auth-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#f87171;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:8px;animation:auth-shake .3s ease}@keyframes auth-shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.btn-auth-register{width:100%;padding:13px;background:transparent;color:#0891b2;border:1px solid #0891b2;border-radius:28px;font-size:15px;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .2s;margin-top:16px}.btn-auth-register:hover{background:#0891b20f;border-color:#0e7490;color:#0e7490}.auth-trusted{position:relative;z-index:1;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);text-align:center}.auth-trusted-text{font-size:13px;color:#fffc;margin-bottom:6px;letter-spacing:.2px;font-weight:600}.auth-trusted-subtitle{font-size:12px;color:#ffffff8c;margin-bottom:14px;line-height:1.5;font-style:italic}.auth-trusted-logos{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.auth-trusted-logo{padding:4px 12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:6px;font-size:11px;font-weight:700;color:#ffffff4d;letter-spacing:.5px}.auth-switch{text-align:center;font-size:13px;color:var(--text-muted);margin-top:20px}.auth-switch button{background:none;border:none;color:var(--accent-blue);font-weight:600;font-size:13px;cursor:pointer;font-family:inherit;text-decoration:underline;text-underline-offset:2px}.auth-switch button:hover{color:#3a7aff}.profile-toast{position:fixed;top:20px;right:20px;background:var(--accent-green);color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;font-weight:500;z-index:200;animation:toast-in .3s ease;box-shadow:0 4px 20px #22c55e4d}@keyframes toast-in{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.pf-header-card{display:flex;align-items:center;gap:20px;padding:24px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);margin-bottom:20px}.pf-header-avatar{position:relative;cursor:pointer;flex-shrink:0}.pf-avatar-img{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid var(--border)}.pf-avatar-initials{width:80px;height:80px;border-radius:50%;background:var(--accent-blue);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff}.pf-avatar-edit{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:#0000008c;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;opacity:0;transition:opacity .15s}.pf-header-avatar:hover 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10px;border-radius:20px;font-size:11px;font-weight:600;background:var(--bg-hover);color:var(--text-secondary)}.pf-badge-green{background:#0576421a;color:var(--accent-green)}.pf-badge-orange{background:#e16b161a;color:var(--accent-orange)}.pf-badge-blue{background:#0a66c21a;color:var(--accent-blue)}.pf-badge-purple{background:#7c3aed1a;color:var(--accent-purple)}.pf-settings-layout{display:grid;grid-template-columns:220px 1fr;gap:20px}.pf-settings-nav{display:flex;flex-direction:column;gap:2px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:12px;align-self:start;position:sticky;top:24px}.pf-nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);cursor:pointer;background:none;border:none;font-family:var(--font-sans);font-size:13.5px;color:var(--text-secondary);text-align:left;width:100%;transition:all .12s}.pf-nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.pf-nav-item.active{background:#0a66c214;color:var(--accent-blue);font-weight:600}.pf-nav-icon{font-size:16px;width:20px;text-align:center}.pf-nav-divider{height:1px;background:var(--border-subtle);margin:8px 0}.pf-nav-danger{color:var(--accent-red)!important}.pf-settings-content{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:28px 32px;min-height:400px}.pf-section h3{font-size:16px;font-weight:600;margin-bottom:12px;letter-spacing:-.01em}.pf-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.pf-section-header h3{margin-bottom:0}.pf-fields-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pf-field{margin-bottom:4px}.pf-field label{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:6px}.pf-field p{font-size:14px;color:var(--text-primary)}.pf-divider{height:1px;background:var(--border-subtle);margin:24px 0}.pf-hint{font-size:13px;color:var(--text-muted);margin-bottom:12px}.pf-footer-meta{display:flex;justify-content:space-between;margin-top:28px;padding-top:16px;border-top:1px solid var(--border-subtle)}.pf-footer-meta small{font-size:11px;color:var(--text-muted)}.pf-toggles{display:flex;flex-direction:column;gap:2px}.pf-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:var(--radius-sm);cursor:pointer;transition:background .12s}.pf-toggle-row:hover{background:var(--bg-hover)}.pf-toggle-label{font-weight:500;font-size:14px}.pf-toggle-desc{font-size:12px;color:var(--text-muted);margin-top:2px}.pf-checkbox{width:18px;height:18px;accent-color:var(--accent-blue);flex-shrink:0}.pf-skill-options{display:flex;gap:12px}.pf-skill-btn{flex:1;padding:14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);cursor:pointer;transition:all .15s;text-align:left;font-family:var(--font-sans)}.pf-skill-btn strong{display:block;font-size:13px;color:var(--text-primary);margin-bottom:2px}.pf-skill-btn small{display:block;font-size:11px;color:var(--text-muted)}.pf-skill-btn.active{border-color:var(--accent-blue);background:#0a66c20f}.pf-skill-btn:hover{border-color:var(--text-muted)}.pf-password-form{display:flex;flex-direction:column;gap:14px;max-width:400px}.pf-danger-zone{padding:16px;background:#cc10160a;border:1px solid rgba(204,16,22,.15);border-radius:var(--radius-sm)}.pf-danger-zone p{font-size:13px;color:var(--text-muted);margin-bottom:12px}.pf-email-row{display:flex;align-items:center;gap:16px;padding:14px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}.pf-email-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.pf-email-icon.active{background:#0576421a}.pf-email-icon.pending{background:#e16b161a}.pf-config-box{padding:16px;background:var(--bg-primary);border-radius:var(--radius-sm);font-size:12.5px;color:var(--text-secondary);line-height:2}.pf-config-box h4{font-size:12px;font-weight:600;margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}@media (max-width: 900px){.pf-settings-layout{grid-template-columns:1fr}.pf-settings-nav{flex-direction:row;overflow-x:auto;position:static;gap:4px}.pf-nav-divider{display:none}.pf-fields-grid{grid-template-columns:1fr}}.auth-username-wrap{display:flex;align-items:center;background:var(--bg-card, #16213e);border:1px solid var(--border, #2a2a4a);border-radius:8px;overflow:hidden}.auth-username-at{padding:0 8px 0 12px;color:var(--text-muted, #6b6b80);font-size:14px;font-weight:600}.auth-username-wrap input{flex:1;background:transparent;border:none;padding:10px 8px;color:var(--text-primary, #e8e8f0);font-size:14px;font-family:inherit;outline:none}.auth-username-status{padding:0 12px;font-size:16px;font-weight:700}.auth-tos-check{margin-top:16px;padding:12px;background:#4f8cff0d;border:1px solid var(--border, #2a2a4a);border-radius:8px}.auth-checkbox-label{display:flex;align-items:flex-start;gap:10px;cursor:pointer;font-size:13px;color:var(--text-secondary, #a0a0b8)}.auth-checkbox-label input[type=checkbox]{width:18px;height:18px;margin-top:1px;accent-color:var(--accent-blue, #4f8cff);flex-shrink:0}.auth-tos-link{background:none;border:none;color:var(--accent-blue, #4f8cff);cursor:pointer;text-decoration:underline;font-size:inherit;font-family:inherit;padding:0}.auth-verification{text-align:center;padding:20px 0}.auth-verification-icon{font-size:56px;margin-bottom:16px}.auth-verification p{font-size:15px;color:var(--text-secondary, #a0a0b8);margin-bottom:8px}.auth-verification-hint{font-size:13px!important;color:var(--text-muted, #6b6b80)!important;margin-bottom:20px!important}.auth-code-input{text-align:center;font-size:24px!important;font-weight:700!important;letter-spacing:8px;max-width:200px;margin:0 auto}.auth-verification-demo{font-size:12px!important;color:var(--accent-green, #22c55e)!important;background:#22c55e1a;padding:8px 16px;border-radius:6px;margin:12px 0!important}.auth-verification .btn-auth-primary{margin-top:16px}@media (max-width: 900px){.auth-left{display:none}.auth-right{padding:24px}.profile-layout{grid-template-columns:1fr}}:root{--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-left: env(safe-area-inset-left, 0px);--safe-area-right: env(safe-area-inset-right, 0px);--keyboard-height: 0px;--bottom-nav-height: 60px}body.native-platform{-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;overscroll-behavior:none}body.native-platform input,body.native-platform textarea,body.native-platform [contenteditable]{-webkit-user-select:text;user-select:text}body.native-platform .app-layout{padding-top:var(--safe-area-top);padding-bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom))}body.native-platform .main-content{padding-bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 8px)}body.native-platform .sidebar{display:none!important}body.native-platform .app-layout{grid-template-columns:1fr!important}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--bottom-nav-height) + var(--safe-area-bottom));padding-bottom:var(--safe-area-bottom);background:var(--bg-secondary);border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-around;z-index:9999;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}body.keyboard-open .mobile-bottom-nav{display:none}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 12px;border-radius:12px;color:var(--text-secondary);font-size:10px;font-weight:500;text-decoration:none;transition:all .2s;min-width:56px;position:relative;background:none;border:none;cursor:pointer;-webkit-tap-highlight-color:transparent}.mobile-nav-item:active{transform:scale(.9)}.mobile-nav-item.active{color:var(--accent)}.mobile-nav-item.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:20px;height:3px;background:var(--accent);border-radius:0 0 4px 4px}.mobile-nav-icon{font-size:22px;line-height:1}.mobile-nav-label{font-size:10px;line-height:1;white-space:nowrap}.mobile-nav-badge{position:absolute;top:2px;right:6px;min-width:16px;height:16px;background:#ef4444;color:#fff;font-size:9px;font-weight:700;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}.mobile-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;padding-top:calc(12px + var(--safe-area-top));background:var(--bg-secondary);border-bottom:1px solid var(--border-color);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.mobile-header-title{font-size:18px;font-weight:700;color:var(--text-primary)}.mobile-header-action{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-tertiary);color:var(--text-primary);border:none;cursor:pointer;font-size:18px}body.native-platform button,body.native-platform a,body.native-platform .clickable{min-height:44px;min-width:44px}body.native-platform input,body.native-platform textarea,body.native-platform select{font-size:16px!important;min-height:44px}.pull-refresh{display:flex;align-items:center;justify-content:center;padding:12px;color:var(--text-secondary);font-size:13px;gap:8px}.pull-refresh-spinner{width:20px;height:20px;border:2px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}body.native-platform .project-card,body.native-platform .friend-card,body.native-platform .stat-card{border-radius:16px}body.native-platform .wa-chat-input-area{padding-bottom:calc(8px + var(--safe-area-bottom))}body.keyboard-open .wa-chat-input-area{padding-bottom:8px}body.native-platform .wa-messages-container{padding-bottom:80px}body.native-platform .fb-profile-cover{border-radius:0;margin:0 -16px}body.native-platform .main-content,body.native-platform .wa-messages-container,body.native-platform .sidebar-inner{-webkit-overflow-scrolling:touch;scroll-behavior:smooth}body.native-platform *{scroll-behavior:smooth}@media (prefers-reduced-motion: reduce){body.native-platform *{animation-duration:.01ms!important;transition-duration:.01ms!important}}.mobile-toast{position:fixed;bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 16px);left:50%;transform:translate(-50%);background:var(--bg-tertiary);color:var(--text-primary);padding:12px 24px;border-radius:24px;font-size:14px;font-weight:500;box-shadow:0 8px 32px #0000004d;z-index:10000;animation:toastIn .3s ease;max-width:calc(100vw - 32px);text-align:center}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.mobile-fab{position:fixed;bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 16px);right:16px;width:56px;height:56px;border-radius:16px;background:var(--accent);color:#fff;border:none;font-size:24px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #4f8cff66;z-index:9998;cursor:pointer;transition:transform .2s}.mobile-fab:active{transform:scale(.9)}.mobile-only{display:none!important}body.native-platform .mobile-only{display:flex!important}body.native-platform .desktop-only{display:none!important}.swipe-container{overflow:hidden;position:relative}.swipe-actions{position:absolute;right:0;top:0;bottom:0;display:flex;align-items:center}.swipe-action-btn{height:100%;padding:0 20px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;border:none;cursor:pointer}.swipe-action-btn.delete{background:#ef4444}.swipe-action-btn.archive{background:#f59e0b}.skeleton-pulse{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-secondary) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeletonPulse 1.5s ease infinite;border-radius:8px}@keyframes skeletonPulse{0%{background-position:200% 0}to{background-position:-200% 0}}