@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap";:root{--bg-color: #f0f2f5;--card-bg: rgba(255, 255, 255, .85);--surface-color: #F7F7F5;--text-primary: #1a1a2e;--text-secondary: #64748b;--text-muted: #94a3b8;--accent-color: #0ea5e9;--accent-hover: #0284c7;--accent-glow: rgba(14, 165, 233, .3);--border-color: rgba(0, 0, 0, .08);--selection-color: #dbeafe;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--dock-bg: rgba(255, 255, 255, .75);--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--font-mono: "Space Mono", monospace;--ease-out: cubic-bezier(.215, .61, .355, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--radius: 16px;--radius-sm: 10px;--radius-lg: 24px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .12);--shadow-glow: 0 0 40px 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var(--ease-spring)}.primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);transition:left .6s ease}.primary:hover:not(:disabled):before{left:100%}.primary:hover:not(:disabled){transform:translateY(-3px) scale(1.02);box-shadow:0 8px 30px var(--accent-glow)}.primary:active:not(:disabled){transform:translateY(-1px) scale(.98)}.primary:disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed}.secondary{padding:14px 22px;font-weight:600;background:var(--surface-color);border:1.5px solid var(--border-color);border-radius:var(--radius);color:var(--text-primary);cursor:pointer;transition:all .25s var(--ease-spring)}.secondary:hover{background:var(--border-color);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.danger{padding:14px 22px;font-weight:600;background:#ef44441a;border:1.5px solid 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button{padding:6px 14px;font-size:12px;font-weight:500;background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.history-actions button:hover{background:var(--accent-color);border-color:var(--accent-color);color:#fff;transform:translateY(-1px)}.history-actions button.send-now{background:linear-gradient(135deg,var(--success-color),#059669);border-color:transparent;color:#fff}.history-actions button.send-now:hover{box-shadow:0 4px 12px #10b98159}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 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var(--ease-spring)}.modal h2{margin:0;font-size:1.5rem;font-weight:700;color:var(--text-primary)}.modal p{margin:0;line-height:1.7;color:var(--text-secondary)}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:.5rem}.toast-container{position:fixed;right:24px;bottom:24px;z-index:2000;display:flex;flex-direction:column;gap:12px;pointer-events:none}.toast{display:flex;align-items:center;gap:14px;min-width:320px;max-width:450px;padding:18px 22px;font-size:14px;font-weight:500;background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow-lg);color:var(--text-primary);pointer-events:none;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:toastSlideIn .4s var(--ease-spring) forwards}.toast.success{border-left:4px solid var(--success-color)}.toast.error{border-left:4px solid var(--error-color)}.toast.info{border-left:4px solid var(--accent-color)}.scroll-to-top{position:fixed;right:24px;bottom:24px;z-index:998;display:flex;align-items:center;justify-content:center;width:48px;height:48px;font-size:20px;background:var(--accent-color);border:none;border-radius:50%;color:#fff;cursor:pointer;opacity:0;visibility:hidden;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:all .3s cubic-bezier(.175,.885,.32,1.275)}.scroll-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{background:#0284c7;box-shadow:0 10px 25px -5px #0ea5e966;transform:translateY(-4px)}.footer{display:flex;align-items:center;justify-content:center;gap:16px;padding:20px 24px;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border-color)}.footer-link{font-weight:600;color:var(--accent-color);text-decoration:none;transition:color .2s ease}.footer-link:hover{color:var(--accent-hover);text-decoration:underline}.github-link{position:fixed;left:24px;bottom:24px;z-index:998;display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:50%;color:var(--text-secondary);box-shadow:var(--shadow-md);transition:all .3s var(--ease-spring)}.github-link:hover{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-color);transform:translateY(-3px) scale(1.08);box-shadow:var(--shadow-lg)}[data-theme=dark] .card{box-shadow:var(--shadow-lg)}[data-theme=dark] .card:hover{box-shadow:var(--shadow-lg),0 0 80px #38bdf814}[data-theme=dark] .primary{box-shadow:0 4px 20px var(--accent-glow)}[data-theme=dark] .primary:hover:not(:disabled){box-shadow:0 8px 30px var(--accent-glow)}@keyframes fadeSlideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.95)}}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toastSlideIn{0%{opacity:0;transform:translateY(24px) translate(20px) scale(.9)}to{opacity:1;transform:translateY(0) translate(0) scale(1)}}@media(max-width:768px){.menu-toggle{display:flex}.desktop-nav{display:none}.nav{display:flex!important;flex-direction:row!important;align-items:center!important;justify-content:space-between!important;flex-wrap:nowrap!important;padding:12px 16px!important}.brand{font-size:16px;flex-shrink:0}.mobile-menu{display:block;position:fixed;inset:0;z-index:1000;background:var(--bg-color);opacity:0;visibility:hidden;transition:all .3s ease}.mobile-menu.open{opacity:1;visibility:visible}.mobile-menu nav{position:absolute;top:50%;left:50%;display:flex;flex-direction:column;align-items:center;gap:12px;padding:20px;transform:translate(-50%,-50%)}.mobile-menu nav a,.mobile-menu nav .nav-logout{min-width:200px;padding:16px 40px;font-size:17px;font-weight:500;text-align:center;text-decoration:none;background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius);color:var(--text-primary);transition:all .25s ease}.mobile-menu nav a:hover,.mobile-menu nav .nav-logout:hover{background:var(--accent-color);border-color:var(--accent-color);color:#fff;transform:scale(1.02)}.mobile-menu .theme-toggle{margin-top:24px;padding:12px 24px;font-size:28px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius)}.keys-actions{flex-direction:column;align-items:center}.keys-actions button{width:100%;max-width:250px}.scroll-to-top{right:20px;bottom:20px;width:44px;height:44px}.manage-data-toolbar{flex-direction:column;align-items:stretch}.manage-data-info{text-align:center}.manage-data-actions{justify-content:center}.manage-data-actions button,.manage-data-actions .upload-label{flex:1;justify-content:center;text-align:center}}@media(max-width:600px){.main{padding:24px 16px}.card{padding:28px 22px;border-radius:var(--radius)}.card h1{font-size:26px}.stats-bar{flex-direction:column;gap:16px}.stat-value{font-size:28px}.history-item:hover{transform:none}.filter-pills{flex-wrap:wrap}}