:root{--navy: #0B1F3A;--accent: #2563EB;--accent-soft: #EFF6FF;--bg: #F6F8FB;--card: #FFFFFF;--gray: #475569;--gray-soft: #94A3B8;--border: #E2E8F0;--green: #16A34A;--amber: #D97706;--red: #DC2626;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Noto Sans,sans-serif;background:var(--bg);color:var(--navy);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:0 20px;height:58px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.topbar .brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px;color:var(--navy);white-space:nowrap}.topbar .brand:hover{text-decoration:none}.topbar .brand .brand-logo{width:30px;height:30px;object-fit:contain}.topbar .brand .sub{font-weight:500;font-size:12px;color:var(--gray-soft);margin-left:4px;white-space:nowrap}.topbar .right{display:flex;align-items:center;gap:14px;font-size:13px}.topbar .right .btn{white-space:nowrap}@media (max-width: 760px){.topbar .brand .sub,.topbar .right .user-email{display:none}.topbar .right{gap:8px}}.lang-switch{display:flex;gap:2px;background:var(--bg);border-radius:8px;padding:2px}.lang-switch button{border:0;background:transparent;padding:4px 9px;border-radius:6px;font-size:12px;cursor:pointer;color:var(--gray)}.lang-switch button.on{background:var(--card);color:var(--navy);font-weight:700;box-shadow:0 1px 2px #00000014}.page{max-width:960px;margin:0 auto;padding:36px 20px 80px}.page.narrow{max-width:440px}.page.wide{max-width:1200px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px}h1{font-size:24px;font-weight:800;margin-bottom:6px}.sub{color:var(--gray);font-size:14px;margin-bottom:24px}label{display:block;font-size:13px;font-weight:600;color:var(--gray);margin:14px 0 5px}input,select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;color:var(--navy)}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:11px 20px;font-size:14px;font-weight:700;cursor:pointer;background:var(--accent);color:#fff;transition:.15s}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.block{width:100%;margin-top:22px}.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--border)}.btn.small{padding:6px 12px;font-size:12.5px}.btn.green{background:var(--green)}.pw-wrap{position:relative}.pw-wrap input{padding-right:86px}.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:var(--gray);font-size:12px;cursor:pointer;padding:4px 8px;border-radius:6px}.pw-toggle:hover{background:var(--bg);color:var(--navy)}.field-hint{font-size:12px;color:var(--gray-soft);margin-top:5px}.field-hint.warn{color:var(--amber)}.wa-row{display:flex;gap:8px}.wa-row select{width:auto;max-width:46%;flex-shrink:0}.wa-row input{flex:1}.err{background:#fef2f2;border:1px solid #FECACA;color:var(--red);border-radius:8px;padding:10px 12px;font-size:13px;margin-top:16px}.ok{background:#f0fdf4;border:1px solid #BBF7D0;color:var(--green);border-radius:8px;padding:10px 12px;font-size:13px;margin-top:16px}.footnote{text-align:center;font-size:13px;color:var(--gray);margin-top:18px}.cycle-toggle{display:inline-flex;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:3px;margin:4px 0 26px}.cycle-toggle button{border:0;background:transparent;padding:7px 18px;border-radius:8px;font-size:13.5px;font-weight:600;cursor:pointer;color:var(--gray)}.cycle-toggle button.on{background:var(--accent);color:#fff}.cycle-toggle .save{font-size:11px;opacity:.85;margin-left:5px}.line-title{font-size:16px;font-weight:800;margin:26px 0 4px}.line-desc{font-size:13px;color:var(--gray);margin-bottom:14px}.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media (max-width: 900px){.plan-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 520px){.plan-grid{grid-template-columns:1fr}}.plan-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 18px;display:flex;flex-direction:column;transition:.15s}.plan-card:hover{border-color:var(--accent);box-shadow:0 4px 14px #2563eb1a}.plan-card.selected{border:2px solid var(--accent)}.plan-card .tier{font-size:12.5px;font-weight:700;color:var(--gray);text-transform:capitalize}.plan-card .price{font-size:26px;font-weight:800;margin:6px 0 2px}.plan-card .price sub{font-size:12px;font-weight:400;color:var(--gray-soft)}.plan-card .quota{font-size:12.5px;color:var(--gray);margin-bottom:14px}.plan-card .btn{margin-top:auto}.summary{border:1px solid var(--border);border-radius:10px;overflow:hidden;margin:18px 0}.summary .row{display:flex;justify-content:space-between;padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}.summary .row:last-child{border-bottom:0}.summary .row .k{color:var(--gray)}.summary .row .v{font-weight:600;text-align:right}.summary .row.total{background:var(--accent-soft)}.summary .row.total .v{font-size:18px;font-weight:800;color:var(--accent)}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}.badge.draft,.badge.pending_invoice{background:#f1f5f9;color:var(--gray)}.badge.awaiting_payment{background:#fef3c7;color:var(--amber)}.badge.paid{background:#dcfce7;color:var(--green)}.badge.failed,.badge.cancelled{background:#fee2e2;color:var(--red)}.hero-icon{font-size:44px;margin-bottom:10px}.license-box{background:var(--navy);color:#fff;border-radius:10px;padding:14px 18px;font-family:ui-monospace,Menlo,monospace;font-size:16px;letter-spacing:1px;text-align:center;margin:14px 0}table.admin{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:13px}table.admin th,table.admin td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}table.admin th{background:var(--bg);font-size:12px;color:var(--gray);font-weight:700;white-space:nowrap}table.admin tr:hover td{background:#fafcff}.tabs{display:flex;gap:8px;margin:18px 0;flex-wrap:wrap}.tabs button{border:1px solid var(--border);background:var(--card);border-radius:20px;padding:6px 14px;font-size:12.5px;cursor:pointer;color:var(--gray)}.tabs button.on{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:700}.spinner{text-align:center;color:var(--gray-soft);padding:40px 0;font-size:14px}.site-footer{text-align:center;font-size:12.5px;color:var(--gray-soft);line-height:1.9;padding:28px 20px 36px;border-top:1px solid var(--border);margin-top:40px}.site-footer a{color:var(--gray)}