:root{--bg: #F5F5F7;--surface: #FFFFFF;--surface-hover: #F8F8FA;--ink: #1D1D1F;--ink-secondary: #6E6E73;--ink-tertiary: #86868B;--border: #E8E8ED;--border-light: #F0F0F5;--accent: #0071E3;--accent-soft: #E8F2FF;--accent-dark: #0060C9;--amber: #D68A1F;--amber-soft: #FFF3E0;--coral: #C4523A;--coral-soft: #FFEBE5;--green: #34C759;--green-soft: #E8F8ED;--display: "Fraunces", Georgia, serif;--body: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;--mono: "SF Mono", "IBM Plex Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased;min-height:100vh}.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:100;visibility:visible;opacity:1;transition:opacity .2s,visibility .2s}.auth-overlay:not(.is-visible){visibility:hidden;opacity:0;pointer-events:none}.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px 36px;text-align:center;box-shadow:0 2px 20px #0000000a}.auth-logo{width:48px;height:48px;margin:0 auto 20px;background:var(--accent);border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:20px;color:#fff}.auth-card h1{font-family:var(--display);font-size:22px;font-weight:600;margin:0 0 6px}.auth-sub{color:var(--ink-secondary);font-size:14px;margin:0 0 28px;line-height:1.5}.auth-form{text-align:left}.field-group{margin-bottom:16px}.field-label{display:block;font-size:12px;font-weight:600;color:var(--ink-secondary);margin-bottom:6px;letter-spacing:.01em}.auth-input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;font-family:var(--body);font-size:14px;background:var(--bg);transition:border-color .15s,box-shadow .15s;outline:none}.auth-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.btn{font-family:var(--body);font-weight:600;font-size:14px;border:none;border-radius:12px;padding:12px 20px;cursor:pointer;transition:all .15s}.btn-primary{background:var(--accent);color:#fff;width:100%;margin-top:8px}.btn-primary:hover{background:var(--accent-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.auth-error{color:var(--coral);font-size:13px;margin-top:12px;text-align:center}.auth-toggle{background:none;border:none;color:var(--accent);font-size:13px;margin-top:16px;cursor:pointer;font-family:var(--body)}.auth-toggle:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:16px;padding:0 8px}.brand-mark{width:28px;height:28px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700}.nav{display:flex;flex-direction:column;gap:2px}.nav-item{text-align:left;background:none;border:none;font-family:var(--body);font-size:14px;font-weight:500;color:var(--ink-secondary);padding:10px 12px;border-radius:10px;cursor:pointer;transition:all .15s}.nav-item:hover{background:var(--surface-hover);color:var(--ink)}.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.range-picker{display:flex;gap:4px;background:var(--bg);border-radius:10px;padding:3px}.range-btn{flex:1;background:none;border:none;font-family:var(--mono);font-size:12px;padding:7px 0;border-radius:8px;cursor:pointer;color:var(--ink-tertiary);transition:all .15s}.range-btn.active{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 3px #0000000f}.usage-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin:0 4px}.usage-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.usage-label{font-size:11px;font-weight:600;color:var(--ink-tertiary);text-transform:uppercase;letter-spacing:.04em}.usage-badge{font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;background:var(--surface);color:var(--ink-secondary)}.usage-track{height:6px;background:var(--border);border-radius:3px;overflow:hidden}.usage-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s}.usage-fill.usage-warn{background:var(--amber)}.usage-fill.usage-danger{background:var(--coral)}.usage-footer{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:12px;color:var(--ink-secondary)}.usage-pro-btn{background:none;border:none;color:var(--accent);font-size:12px;font-weight:600;cursor:pointer;font-family:var(--body);padding:0}.usage-pro-btn:hover{text-decoration:underline}.sidebar-footer{margin-top:auto;padding:12px;border-top:1px solid var(--border-light)}.sidebar-user{font-size:12px;color:var(--ink-secondary);margin-bottom:4px;word-break:break-all}.sidebar-id{font-size:11px;color:var(--ink-tertiary);font-family:var(--mono);margin-bottom:12px;word-break:break-all}.logout-btn{width:100%;background:none;border:1px solid var(--border);border-radius:8px;padding:8px;font-size:12px;color:var(--ink-secondary);cursor:pointer;font-family:var(--body);transition:all .15s}.logout-btn:hover{border-color:var(--coral);color:var(--coral)}.main{flex:1;padding:32px 40px;max-width:1200px;min-width:0}.view[hidden]{display:none}.hero{background:linear-gradient(135deg,#f0f4ff,#f5f0ff);border:1px solid var(--border);border-radius:20px;padding:32px 36px;display:flex;align-items:center;gap:32px;margin-bottom:24px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(0,113,227,.06) 0%,transparent 70%)}.hero-text{position:relative;z-index:1;min-width:200px}.hero-label{font-size:12px;font-weight:600;color:var(--ink-secondary);text-transform:uppercase;letter-spacing:.05em}.hero-number{font-family:var(--display);font-size:52px;font-weight:600;line-height:1.1;margin:4px 0}.hero-trend{margin-top:-8px;margin-bottom:4px;font-family:var(--mono);font-size:14px}.hero-sub{font-size:13px;color:var(--ink-tertiary);font-family:var(--mono)}.sparkline{flex:1;height:80px;position:relative;z-index:1}.kpi-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:24px}.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 22px;transition:box-shadow .15s}.kpi-card:hover{box-shadow:0 2px 12px #0000000a}.kpi-label{font-size:11px;font-weight:600;color:var(--ink-tertiary);text-transform:uppercase;letter-spacing:.04em}.kpi-value{font-family:var(--display);font-size:28px;font-weight:600;margin:6px 0 2px}.kpi-value.accent-amber{color:var(--amber)}.kpi-value.accent-coral{color:var(--coral)}.kpi-value.accent-purple{color:#6c4a9c}.kpi-note{font-size:12px;color:var(--ink-tertiary)}.chart-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:16px}.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;height:300px;display:flex;flex-direction:column}.chart-title{font-size:12px;font-weight:600;color:var(--ink-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.04em}.chart-card canvas{flex:1;min-height:0}.section-header{margin-bottom:20px}.section-header h2{font-family:var(--display);font-size:22px;font-weight:600;margin:0 0 4px}.section-sub{color:var(--ink-secondary);font-size:13px;margin:0}.table-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-tertiary);padding:14px 20px;border-bottom:1px solid var(--border);background:var(--bg)}td{padding:12px 20px;font-size:13px;border-bottom:1px solid var(--border-light)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface-hover)}td.mono,.activity-table td:first-child{font-family:var(--mono);font-size:12px;color:var(--ink-secondary)}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}.badge-message{background:var(--accent-soft);color:var(--accent)}.badge-pro{background:var(--amber-soft);color:var(--amber)}.badge-blocked{background:var(--coral-soft);color:var(--coral)}.badge-template{background:#e4e9f5;color:#3c4e9c}.badge-amber{background:var(--amber-soft);color:var(--amber)}.badge-coral{background:var(--coral-soft);color:var(--coral)}.badge-purple{background:#efeaf5;color:#6c4a9c}.badge-green{background:var(--green-soft);color:var(--green)}.badge-gray{background:#e8e8ed;color:#6e6e73}.trend-up{color:var(--green);font-size:16px;font-weight:600;margin-left:8px}.trend-down{color:var(--coral);font-size:16px;font-weight:600;margin-left:8px}.trend-new{color:var(--ink-tertiary);font-size:13px;font-style:italic;margin-left:8px}.profile-link{color:var(--accent);text-decoration:none;font-weight:500}.profile-link:hover{text-decoration:underline}.empty-state{text-align:center;padding:48px 24px}.empty-title{font-family:var(--display);font-size:17px;font-weight:600;margin-bottom:6px}.empty-state p{color:var(--ink-secondary);font-size:13px;max-width:380px;margin:0 auto;line-height:1.5}.error-banner{color:var(--coral);background:var(--coral-soft);padding:12px 16px;border-radius:12px;margin-bottom:16px;font-size:13px}@media (max-width: 900px){.chart-grid{grid-template-columns:1fr}.kpi-row{grid-template-columns:repeat(2,1fr)}.sidebar{width:200px}.main{padding:24px 20px}}