:root {
         /* Dark Theme (Default) */
         --bg-page: #151719;
         --bg-primary: #1d1e20;
         --bg-secondary: #0c0d0e;
         --bg-hover: #252628;
         --text-primary: #fff;
         --text-secondary: #dee0e3;
         --text-tertiary: #a0a4ac;
         --text-disabled: #696c72;
         --border-primary: #252628;
         --border-secondary: #4b4d50;
         --border-outline: #232527;
         --accent-primary: #60e297;
         --accent-primary-hover: #a7f6c9;
         --accent-primary-text: #0c0d0e;
         --accent-secondary: #a7f6c9;
         --danger: #e5484d;
         --shadow-primary: rgba(0,0,0,0.5);
         --shadow-secondary: rgba(255,255,255,0.16);
         --popup-overlay-bg: rgba(21, 23, 25, 0.8);
         /* NEW: Shadow for the device prompt */
         --shadow-prompt: rgba(255, 255, 255, 0.16) 0px 0px 0px 2px;
         }
         @media (prefers-color-scheme: light) {
         :root {
         /* Light Theme */
         --bg-page: #f3f5f8;
         --bg-primary: #ffffff;
         --bg-secondary: #edeff2;
         --bg-hover: #e9e9e9;
         --text-primary: #151719;
         --text-secondary: #4b4d50;
         --text-tertiary: #696c72;
         --text-disabled: #a0a4ac;
         --border-primary: #e0e0e0;
         --border-secondary: #c0c0c0;
         --border-outline: #e0e0e0;
         --accent-primary: #00b14f;
         --accent-primary-hover: #00d35e;
         --accent-primary-text: #ffffff;
         --accent-secondary: #006429;
         --danger: #d32f2f;
         --shadow-primary: rgba(0,0,0,0.1);
         --shadow-secondary: rgba(0,0,0,0.1);
         --popup-overlay-bg: rgba(245, 245, 245, 0.8);
         /* NEW: Shadow for the device prompt (light theme version) */
         --shadow-prompt: rgba(0, 0, 0, 0.16) 0px 16px 32px -16px;
         }
         }
         @font-face {
         font-family: TT Satoshi;
         font-weight: 500;
         src: url(media/TTSatoshi-Medium.otf) format("opentype");
         }
         @font-face {
         font-family: TT Satoshi;
         font-weight: 600;
         src: url(media/TTSatoshi-DemiBold.otf) format("opentype");
         }
         * {
         margin: 0;
         padding: 0;
         outline: none;
         box-sizing: border-box;
         font-family: "TT Satoshi", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
         }
         body, html {
         background: var(--bg-page);
         color: var(--text-primary);
         height: 100%;
         overflow-y: hidden;
         font-size: 16px;
         line-height: 24px;
         font-weight: 500;
         letter-spacing: -0.4px;
         -webkit-font-smoothing: antialiased;
         }
         a {
         text-decoration: none;
         cursor: pointer;
         color: var(--accent-primary);
         }
         :root { color-scheme: light dark; }
         .flex { display: flex; }
         .flex-col { flex-direction: column; }
         .flex-1 { flex: 1; }
         .gap-8 { gap: 8px; }
         .gap-16 { gap: 16px; }
         .gap-24 { gap: 24px; }
         .gap-40 { gap: 40px; }
         .gap-48 { gap: 48px; }
         .items-center { align-items: center; }
         .justify-center { justify-content: center; }
         .justify-between { justify-content: space-between; }
         .w-full { width: 100%; }
         .h-full { height: 100%; }
         .main-container { display: flex; flex-direction: column; height: 100%; overflow-y: hidden; }
         .layout { display: flex; width: 100%; height: 100%; }
         .sidebar { background: var(--bg-secondary); height: 100%; }
         .sidebar-nav { border-right: 1px solid var(--bg-page); min-width: 84px; height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
         .nav { display: flex; flex-direction: column; gap: 4px; margin: 8px; align-items: center; }
         .nav-item {
         flex: 1;
         display: flex;
         align-items: center;
         padding: 8px;
         border-radius: 12px;
         color: var(--text-tertiary);
         transition: color 0.15s, background 0.15s;
         cursor: pointer;
         border: 1px solid transparent;
         gap: 16px;
         }
         .nav-item.active {
         background: var(--bg-page);
         box-shadow: 0 0 0 0.5px var(--shadow-secondary);
         color: var(--text-primary);
         }
         .nav-item:hover { color: var(--text-primary); }
         .nav-item:hover path { fill: var(--text-primary); }
         .nav-item.active path { fill: var(--text-primary); }
         .icon-24 { width: 24px; height: 24px; flex-shrink: 0; }
         .icon-16 { width: 16px; height: 16px; flex-shrink: 0; }
         .icon-18 { width: 18px; height: 18px; flex-shrink: 0; }
         .icon-12 { width: 12px; height: 12px; flex-shrink: 0; }
         .icon path { transition: fill 0.14s; }
         .icon-24 path, .icon-16 path { fill: var(--text-tertiary); }
         .icon-12 path { fill: var(--accent-primary-text); }
         .icon-18 path { fill: currentcolor; }
         .quick-actions {
         display: flex;
         gap: 8px;
         border-top: 1px solid var(--border-primary);
         padding: 0 8px;
         align-items: stretch;
         flex-direction: column;
         }
         .quick-actions > * { flex: 1; }
         .quick-action-btn {
         height: 44px;
         flex: 1;
         display: flex;
         align-items: center;
         justify-content: center;
         }
         .content {
         display: flex;
         flex-direction: column;
         flex: 3;
         padding: 20px;
         align-items: center;
         overflow-y: auto;
         height: 100%;
         }
         @media (max-width: 576px) { .content { padding: 12px; } }
         .content-wrapper {
         display: flex;
         flex: 1;
         flex-direction: column;
         align-items: center;
         justify-content: center;
         width: 100%;
         max-width: 1020px;
         }
         .suite-start { display: flex; flex-direction: column; align-items: center; width: 100%; }
         .guide-wrapper { display: flex; flex-direction: column; align-items: center; justify-content: center; }
         .device-prompt {
         display: flex;
         min-height: 122px;
         max-width: 360px;
         padding: 10px;
         background: var(--bg-primary);
         border: 1px solid var(--border-primary);
         align-items: center;
         /* Adjusted box-shadow to be around the element */
         box-shadow: var(--shadow-prompt); /* Change the blur radius as needed */
         gap: 8px;
         flex-direction: column;
         margin: 0;
         border-radius: 20px;
         }
         @media (min-width: 576px) { .device-prompt { flex-direction: row; border-radius: 61px; } }
         .anim-wrapper { display: flex; position: relative; }
         .anim-circle {
         overflow: hidden;
         display: flex;
         justify-content: center;
         align-items: center;
         width: 100px;
         height: 100px;
         border-radius: 50%;
         background: var(--bg-hover);
         }
         .lottie { width: 100%; height: 100%; }
         .prompt-text {
         display: flex;
         flex-direction: column;
         text-align: center;
         font-size: 22px;
         line-height: 32px;
         font-weight: 500;
         letter-spacing: -0.3px;
         color: var(--text-primary);
         }
         @media (min-width: 576px) { .prompt-text { margin: 0 24px 0 8px; } }
         .card { width: 100%; border-radius: 16px; }
         .card-auto { border-radius: 16px; width: auto; }
         .card-max { width: 100%; border-radius: 16px; max-width: 656px; }
         .card-inner {
         position: relative;
         border-radius: 16px;
         cursor: default;
         overflow: hidden;
         height: 100%;
         transition: background 0.5s, border 0.5s, box-shadow 0.5s;
         outline: 1px solid var(--border-outline);
         }
         .card-dark { background: var(--bg-primary); }
         .card-black { background: var(--bg-secondary); }
         .box { transition: background 0.2s; padding: 16px 20px; height: 100%; }
         .box-sm { padding: 2px 4px; height: 100%; }
         .btn { display: flex; align-items: center; justify-content: center; border-radius: 100px; transition: box-shadow 0.1s ease-out, border-color 0.1s ease-out, background 0.1s ease-out; outline: none; cursor: pointer; border: 1px solid transparent; width: fit-content; }
         .btn-primary { padding: 2px 8px; gap: 8px; background: var(--accent-primary); color: var(--accent-primary-text); }
         .btn-primary:hover { background: var(--accent-primary-hover); }
         .btn-primary:disabled { background: var(--bg-hover); color: var(--text-disabled); cursor: not-allowed; }
         .btn-secondary { padding: 8px 16px; background: var(--bg-primary); color: var(--text-secondary); }
         .btn-secondary:hover { background: var(--bg-hover); }
         .btn-secondary:disabled { background: var(--bg-hover); color: var(--text-disabled); cursor: not-allowed; }
         .btn-text { white-space: normal; overflow: hidden; text-overflow: ellipsis; font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: -0.3px; }
         .guide-btn {
         display: flex;
         justify-content: center;
         align-items: center;
         position: fixed;
         z-index: 49;
         bottom: 18px;
         right: 18px;
         width: 40px;
         height: 40px;
         border-radius: 50%;
         cursor: pointer;
         border: 1px solid var(--border-primary);
         background: var(--bg-page);
         transition: opacity 0.3s 0.3s;
         opacity: 1;
         }
         .guide-btn:focus { transition: opacity 0.1s; }
         /* ===== POP-UP STYLES ===== */
         .popup-overlay {
         position: fixed;
         inset: 0;
         background-color: var(--popup-overlay-bg);
         backdrop-filter: blur(2px);
         -webkit-backdrop-filter: blur(2px);
         justify-content: center;
         align-items: center;
         z-index: 1000;
         display: none;
         }
         .popup-content {
         background: var(--bg-primary);
         border: 1px solid var(--border-primary);
         padding: 32px;
         border-radius: 20px;
         text-align: center;
         display: flex;
         flex-direction: column;
         align-items: center;
         gap: 16px;
         max-width: 90%;
         width: 480px;
         box-shadow: 0 10px 30px var(--shadow-primary);
         }
         .popup-icon svg { width: 48px; height: 48px; color: var(--danger); }
         .popup-title { font-size: 22px; line-height: 30px; font-weight: 600; color: var(--text-primary); margin-top: 8px; }
         .popup-body { color: var(--text-tertiary); font-size: 15px; line-height: 22px; font-weight: 500; letter-spacing: -0.3px; max-width: 380px; margin-bottom: 8px; }
         .popup-button { width: 100%; padding: 12px 24px !important; margin-top: 8px; }
         .popup-button .btn-text { font-size: 16px; font-weight: 600; }
         .inline-code {
         background-color: var(--bg-secondary);
         border: 1px solid var(--border-primary);
         color: var(--accent-secondary);
         padding: 8px 12px;
         border-radius: 4px;
         font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
         font-size: 14px;
         display: block;
         width: fit-content;
         margin: 16px auto;
         }
         /* For theming list items */
         .text-gray { color: var(--text-tertiary); }
         .text-h3 { font-size: 16px; line-height: 24px; font-weight: 600; letter-spacing: -0.4px; color: var(--text-secondary); }
         .text-body { font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: -0.3px; color: var(--text-tertiary); }
         .list-bullet { color: var(--text-tertiary); }