:root{--kt-sapphire: #0F172A;--kt-royal: #1E3A8A;--kt-royal-light: #2f4db0;--kt-gold: #D4AF37;--kt-gold-soft: #f3e9c7;--kt-emerald: #10B981;--kt-emerald-dark: #059669;--kt-bg: #F8FAFC;--kt-surface: #FFFFFF;--kt-border: #E2E8F0;--kt-text: #0F172A;--kt-muted: #64748B;--kt-error: #DC2626;--kt-error-bg: #FEF2F2;--kt-success-bg: #ECFDF5;--kt-success-text: #047857}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:var(--kt-bg);color:var(--kt-text);-webkit-font-smoothing:antialiased}.app-shell{min-height:100vh;min-height:100dvh}a{color:var(--kt-royal)}.btn-primary{background:var(--kt-royal);color:#fff;font-weight:600;border:none;border-radius:10px;padding:13px 18px;font-size:1rem;cursor:pointer;transition:background .15s ease}.btn-primary:hover{background:var(--kt-royal-light)}.btn-primary:disabled{opacity:.55;cursor:default}.btn-cta{background:var(--kt-emerald);color:#fff;font-weight:700;border:none;border-radius:10px;padding:14px 22px;font-size:1.05rem;cursor:pointer;transition:background .15s ease}.btn-cta:hover{background:var(--kt-emerald-dark)}.btn-ghost{background:transparent;color:var(--kt-text);font-weight:600;border:1px solid var(--kt-border);border-radius:10px;padding:13px 18px;font-size:1rem;cursor:pointer}.btn-ghost:hover{border-color:var(--kt-muted)}.auth-screen{display:flex;flex-direction:column;justify-content:center;min-height:100dvh;padding:24px;max-width:420px;margin:0 auto}.auth-screen h1{font-size:1.6rem;margin-bottom:4px;color:var(--kt-sapphire)}.auth-screen p.subtitle{color:var(--kt-muted);margin-top:0;margin-bottom:24px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:.85rem;color:var(--kt-muted);font-weight:500}.field input,.field select,.field textarea{background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:10px;padding:13px;font-size:1rem;color:var(--kt-text);width:100%}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--kt-royal);outline-offset:-1px;border-color:var(--kt-royal)}.error-text{color:var(--kt-error);background:var(--kt-error-bg);padding:10px 12px;border-radius:8px;font-size:.9rem;margin-bottom:12px}.notice-text{color:var(--kt-success-text);background:var(--kt-success-bg);padding:10px 12px;border-radius:8px;font-size:.9rem;margin-bottom:12px}.link-row{margin-top:16px;text-align:center;color:var(--kt-muted);font-size:.9rem}.link-row a{color:var(--kt-royal);text-decoration:none;font-weight:600}.card{background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:14px;padding:16px}.kt-topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--kt-surface);border-bottom:1px solid var(--kt-border);position:sticky;top:0;z-index:10}.kt-topbar .brand{font-weight:800;color:var(--kt-sapphire);font-size:1.1rem;letter-spacing:-.01em}.kt-topbar .brand span{color:var(--kt-gold)}.trial-banner{background:var(--kt-gold-soft);color:#7c6414;padding:8px 16px;text-align:center;font-size:.88rem;font-weight:500}.trial-banner a{color:var(--kt-royal);font-weight:700}.trial-banner.expired{background:var(--kt-error-bg);color:var(--kt-error)}