:root{--bg: #eceef2;--bg-strong: #e1e4e9;--surface: #ffffff;--surface-raised: #f5f7fa;--border: #d4dae5;--ink-strong: #273142;--ink-soft: #6b7788;--accent: #2d6cdf;--accent-deep: #1f5cc2;--danger: #e3516e;--font-display: "Segoe UI", "Aptos", sans-serif;--font-body: "Segoe UI", "Aptos", sans-serif;--topbar-border: #d8dde6;--tab-bg: #e7ebf1;--tab-active-bg: #ffffff;--tab-active-color: #1f5cc2}body.dark{--bg: #171a27;--bg-strong: #1f2438;--surface: #242a3d;--surface-raised: #2b3248;--border: #3c4156;--ink-strong: #f1f4ff;--ink-soft: #c1c9df;--accent: #6b7cf0;--accent-deep: #5b6af0;--danger: #f87171;--topbar-border: #3c4156;--tab-bg: #2b3248;--tab-active-bg: #3c4156;--tab-active-color: #d3dbff}*{box-sizing:border-box}html,body{height:100%;overflow:hidden}body{margin:0;font-family:var(--font-body);color:var(--ink-strong);background:var(--bg);transition:background .2s ease,color .2s ease}body:before{content:none}.auth-boot{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:9999}.auth-boot-spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:auth-boot-spin .8s linear infinite}@keyframes auth-boot-spin{to{transform:rotate(360deg)}}