:root{--color-primary: #6C5CE7;--color-primary-hover: #5A4BD5;--color-bg: #0F0F0F;--color-surface: #1A1A2E;--color-surface-hover: #252540;--color-text: #FFFFFF;--color-text-secondary: #A0A0B0;--color-text-muted: #6B6B7B;--color-border: #2A2A3E;--color-success: #00D26A;--color-warning: #FFB020;--color-error: #FF4757;--color-card: #16162A;--color-header: #0D0D1A;--color-input-bg: #1A1A2E;--color-input-border: #2A2A3E;--color-disabled: #3A3A4E;--color-progress-bg: #2A2A3E;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-card: 14px;--radius-full: 9999px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-xxl: 48px;--header-h: 64px;--max-w: 1200px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}body{min-height:100vh}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}img{max-width:100%;display:block}.app-shell{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:100;height:var(--header-h);background:var(--color-header);border-bottom:1px solid var(--color-border);display:flex;align-items:center;padding:0 var(--space-lg)}.header__inner{max-width:var(--max-w);margin:0 auto;width:100%;display:flex;align-items:center;gap:var(--space-lg)}.header__logo{display:flex;align-items:center;gap:var(--space-sm);font-weight:700;font-size:18px}.header__logo-icon{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--color-primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff}.header__nav{display:flex;gap:var(--space-xs);flex:1}.header__nav a{padding:8px 14px;border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--color-text-secondary);transition:all .15s}.header__nav a:hover,.header__nav a.active{color:var(--color-text);background:var(--color-surface)}.header__actions{display:flex;align-items:center;gap:var(--space-sm)}.main{flex:1;max-width:var(--max-w);margin:0 auto;width:100%;padding:var(--space-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:12px 24px;border-radius:var(--radius-md);font-size:14px;font-weight:600;transition:all .15s;white-space:nowrap}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:var(--color-primary-hover)}.btn--secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover{background:var(--color-surface)}.btn--ghost{background:transparent;color:var(--color-text-secondary);padding:8px 16px}.btn--ghost:hover{color:var(--color-text)}.btn--danger{background:var(--color-error);color:#fff}.btn--danger:hover{opacity:.9}.btn--sm{padding:8px 16px;font-size:13px}.btn--icon{padding:8px;border-radius:var(--radius-sm)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:var(--space-lg);transition:border-color .15s}.card:hover{border-color:#3a3a5e}.card--clickable{cursor:pointer}.input-group{display:flex;flex-direction:column;gap:var(--space-xs)}.input-group label{font-size:13px;font-weight:500;color:var(--color-text-secondary)}.input{background:var(--color-input-bg);border:1px solid var(--color-input-border);border-radius:var(--radius-sm);padding:12px 16px;font-size:15px;color:var(--color-text);transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #6c5ce733}.input::placeholder{color:var(--color-text-muted)}.tabs{display:flex;gap:var(--space-xs);border-bottom:1px solid var(--color-border);padding-bottom:0}.tab{padding:10px 18px;font-size:14px;font-weight:500;color:var(--color-text-secondary);border-bottom:2px solid transparent;transition:all .15s;cursor:pointer;background:none;border-top:none;border-left:none;border-right:none}.tab:hover{color:var(--color-text)}.tab--active{color:var(--color-text);border-bottom-color:var(--color-primary)}.accordion-item{border-bottom:1px solid var(--color-border)}.accordion-trigger{width:100%;text-align:left;padding:16px 0;font-size:15px;font-weight:500;display:flex;justify-content:space-between;align-items:center;color:var(--color-text)}.accordion-trigger:after{content:"▾";transition:transform .2s;color:var(--color-text-muted)}.accordion-trigger.open:after{transform:rotate(180deg)}.accordion-content{padding-bottom:16px;color:var(--color-text-secondary);font-size:14px;line-height:1.6}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:600}.badge--trial{background:#ffb02026;color:var(--color-warning)}.badge--active{background:#00d26a26;color:var(--color-success)}.badge--premium{background:#6c5ce726;color:var(--color-primary)}.badge--expired{background:#ff475726;color:var(--color-error)}.modal-overlay{position:fixed;inset:0;z-index:200;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);max-width:480px;width:90%;max-height:80vh;overflow-y:auto}.modal h3{margin-bottom:var(--space-md)}.section{margin-bottom:var(--space-xl)}.section__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.section h1{font-size:28px;font-weight:700}.section h2{font-size:22px;font-weight:600}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:13px}.text-xs{font-size:12px}.text-mono{font-family:var(--font-mono);font-size:13px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.w-full{width:100%}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mb-md{margin-bottom:var(--space-md)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}