:root{--brand-900: #012047;--brand-800: #023878;--brand-700: #0b4e83;--brand-600: #14639e;--brand-tint: #eaf1f8;--ink: #1f2933;--gray-700: #414042;--gray-600: #58595b;--gray-500: #6b7280;--gray-400: #a7a9ac;--gray-300: #d5d9e0;--gray-200: #e6e9ee;--gray-100: #f1f4f8;--bg: #f4f6fa;--surface: #ffffff;--surface-2: #fbfcfe;--danger: #d33d3d;--danger-tint: #fdecec;--success: #1a936f;--radius-lg: 16px;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 2px rgba(1, 32, 71, .06), 0 1px 3px rgba(1, 32, 71, .08);--shadow-md: 0 4px 12px rgba(1, 32, 71, .08), 0 2px 4px rgba(1, 32, 71, .05);--shadow-lg: 0 12px 32px rgba(1, 32, 71, .14), 0 4px 8px rgba(1, 32, 71, .06);--font: "Inter", system-ui, -apple-system, "Segoe UI", Tahoma, "Noto Sans JP", sans-serif;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--ink: #e8ecf3;--gray-700: #c3c8d2;--gray-600: #a7adba;--gray-500: #8b93a3;--gray-400: #6f7787;--gray-300: #3a4557;--gray-200: #2b3546;--gray-100: #1c2635;--bg: #0b1220;--surface: #121c2c;--surface-2: #16212f;--brand-tint: #142944;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .35);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .45)}}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100vh}body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}a{color:var(--brand-700);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:inherit;font-weight:600;font-size:.95rem;line-height:1;padding:.7rem 1.1rem;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:transform .06s ease,background .15s ease,box-shadow .15s ease,border-color .15s ease,color .15s ease;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn:focus-visible{outline:3px solid color-mix(in srgb,var(--brand-600) 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1.75rem}.login-note{margin-top:1.25rem;font-size:.82rem;color:var(--gray-500);display:inline-flex;align-items:center;gap:.4rem}.login-note svg{width:14px;height:14px;flex-shrink:0}.appbar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--gray-200)}.appbar-inner{max-width:880px;margin:0 auto;padding:.85rem 1.25rem;display:flex;align-items:center;gap:.9rem}.appbar .logo{height:26px;width:auto}.appbar .divider{width:1px;height:22px;background:var(--gray-300)}.appbar .app-name{font-weight:600;font-size:.98rem;color:var(--gray-700)}.appbar .spacer{flex:1}@media(prefers-color-scheme:dark){.appbar .logo,.login-card .logo{filter:brightness(0) invert(1);opacity:.92}}.container{max-width:880px;margin:0 auto;padding:2rem 1.25rem 4rem}.page-title{font-size:1.4rem;font-weight:700;margin:0 0 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a{font-weight:600;font-size:1rem;color:var(--brand-700);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-target{display:block;color:var(--gray-500);font-size:.86rem;margin-top:.2rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-meta{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.clicks-badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.82rem;font-weight:600;color:var(--gray-600);background:var(--gray-100);border-radius:999px;padding:.3rem .65rem}.clicks-badge svg{width:14px;height:14px;opacity:.7}.link-date{font-size:.8rem;color:var(--gray-400);white-space:nowrap}.empty{text-align:center;padding:3rem 1.5rem;color:var(--gray-500);background:var(--surface);border:1px dashed var(--gray-300);border-radius:var(--radius-lg)}.empty svg{width:40px;height:40px;color:var(--gray-400);margin-bottom:.75rem}.empty p{margin:0}.center{min-height:100vh;display:grid;place-items:center;padding:2rem;text-align:center;color:var(--gray-600)}.spinner{width:34px;height:34px;border:3px solid var(--gray-300);border-top-color:var(--brand-700);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto .9rem}.toast-host{position:fixed;right:1.25rem;bottom:1.25rem;z-index:50;display:flex;flex-direction:column;gap:.6rem;pointer-events:none}.toast{pointer-events:auto;min-width:220px;max-width:340px;background:var(--ink);color:#fff;border-radius:var(--radius-sm);padding:.75rem 1rem;font-size:.9rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:.55rem;animation:toast-in .25s ease both}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}.toast.leaving{animation:toast-out .25s ease both}.toast svg{width:16px;height:16px;flex-shrink:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#01204780;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;padding:1.5rem;animation:fade-in .15s ease both}.modal{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:1.5rem;animation:rise .2s ease both}.modal-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--danger-tint);color:var(--danger);margin-bottom:1rem}.modal-icon svg{width:22px;height:22px}.modal h3{margin:0 0 .4rem;font-size:1.15rem;font-weight:700}.modal p{margin:0 0 1.5rem;color:var(--gray-600);font-size:.93rem;word-break:break-word}.modal p .mono{color:var(--ink);font-weight:600}.modal-actions{display:flex;justify-content:flex-end;gap:.6rem}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-in{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toast-out{to{opacity:0;transform:translateY(6px) scale(.98)}}@media(max-width:560px){.link-item{flex-direction:column;align-items:flex-start;gap:.6rem}.link-meta{width:100%;justify-content:space-between}.form-actions{flex-direction:column-reverse;align-items:stretch}.form-actions .btn{width:100%}}