:root{--color-bg: #00000a;--color-surface: #ffffff1f;--color-surface-alt: #222222;--color-surface-elevated: #252525;--color-primary: #fff;--color-primary-dim: #70ff6c1f;--color-text: #ffffff;--color-text-secondary: #ffffff99;--color-text-muted: #666666;--color-border: #2a2a2a;--color-border-light: #333333;--color-accent: #53ff76;--color-touch-bg: #00000a;--color-accent-dim: rgba(83, 255, 118, .12);--color-accent-glow: rgba(83, 255, 118, .22);--font-sans: "TikTok Sans", sans-serif, system-ui, -apple-system, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--leading-tight: 1.25;--leading-snug: 1.35;--leading-normal: 1.5;--leading-relaxed: 1.65;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-7: 1.75rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 40px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow: 0 0 40px rgba(76, 222, 127, .15);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--container-max: 600px;--container-px: var(--space-4);--breakpoint-mobile: 768px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:var(--text-base);font-weight:var(--font-normal);line-height:var(--leading-normal);font-style:normal;color:var(--color-text);background-color:var(--color-bg);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:0;font-stretch:semi-condensed}.app-main{position:relative}.app-main:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(600px 280px at 50% 0%,var(--color-accent-glow),transparent 60%),radial-gradient(520px 260px at 15% 15%,rgba(255,255,255,.06),transparent 60%);opacity:.85}.app-main>*{position:relative;z-index:1}html[dir=rtl] body{direction:rtl;text-align:right}img,picture,video,canvas,svg{display:block;max-width:100%}button,input,select,textarea{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}h1,h2,h3,h4,h5,h6{font-weight:var(--font-bold);line-height:var(--leading-tight);color:var(--color-text)}a{color:inherit;text-decoration:none}ul,ol{list-style:none}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-px)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-full);border:none;cursor:pointer;font-weight:var(--font-medium);font-size:var(--text-base);line-height:1;transition:opacity var(--transition-fast),transform var(--transition-fast);white-space:nowrap;min-height:48px}.btn:hover{opacity:.92;transform:translateY(-1px)}.btn:active{transform:translateY(0);opacity:1}.btn-primary{background-color:var(--color-primary);color:#00000a;box-shadow:0 4px 24px #fff3}.btn-accent{background-color:var(--color-accent);color:#00000a;box-shadow:var(--shadow-glow),0 4px 24px #53ff7633}.btn-secondary{background-color:#ffffff1f;color:var(--color-text);border:1px solid rgba(255,255,255,.16)}.btn-outline{background-color:transparent;color:var(--color-text);border:1.5px solid rgba(255,255,255,.16)}.btn-outline:hover{border-color:#ffffff52;background-color:#ffffff0f}.btn-ghost{background-color:var(--color-surface);color:var(--color-text)}.btn-lg{padding:16px 28px;font-size:20px;line-height:26px;min-height:58px}.card{background-color:#ffffff1f;border-radius:40px;border:1px solid rgba(255,255,255,.08);box-shadow:inset 0 4px 16px #959a9e14}.field{display:block;width:100%;margin-top:var(--space-2);padding:var(--space-3);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.12);background:#222;color:var(--color-text)}.field:focus{outline:none;border-color:#53ff76a6;box-shadow:var(--shadow-glow)}.auth-panel{background:var(--color-touch-bg);border-radius:28px;border:0;box-shadow:0 30px 120px #0000008c,inset 0 4px 16px #959a9e0f;padding:var(--space-6) var(--space-4)}.auth-title{font-family:TikTok Sans,sans-serif;font-weight:500;letter-spacing:0;text-transform:none;font-size:34px;line-height:40px}.auth-subtitle{color:var(--color-text-secondary);opacity:.6;font-size:20px;line-height:24px}.section{padding-block:var(--space-16)}@media (min-width: 768px){.section{padding-block:var(--space-12)}.container{padding-inline:var(--space-6)}}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{border-bottom:1px solid var(--color-border)}.topbar-inner{max-width:var(--container-max);margin-inline:auto;padding:var(--space-4) var(--container-px);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.topbar-brand{display:inline-flex;align-items:center;line-height:0}.topbar-brand-logo{display:block;height:32px;width:auto;max-width:min(200px,45vw);object-fit:contain}.app-main{flex:1;padding-block:var(--space-8)}@media (min-width: 768px){.topbar-inner{padding-inline:var(--space-6)}}