:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --panel-2: #f9fbff;
    --text: #1e293b;
    --muted: #64748b;
    --line: #dbe4f0;
    --accent: #2563eb;
    --warn-bg: #fff7ed;
    --warn-text: #9a3412;
    --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    --radius: 22px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
body { min-height: 100vh; padding: 24px; }
.wrap { max-width: 1120px; margin: 0 auto; }
.hero { margin-bottom: 20px; }
.ip-card { background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%); border: 1px solid var(--line); border-radius: calc(var(--radius) + 2px); box-shadow: var(--shadow); padding: 28px 24px; text-align: center; }
.ip-value { font-size: clamp(30px, 7vw, 64px); line-height: 1; font-weight: 800; color: var(--accent); word-break: break-word; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.panel { grid-column: span 6; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.panel.full { grid-column: 1 / -1; }
.panel h2 { margin: 0 0 18px; font-size: 22px; }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 14px 18px; }
.k { color: var(--muted); font-weight: 600; }
.v { font-weight: 600; word-break: break-word; }
.time-boxes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.time-box { background: var(--panel-2); border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.time-box .label { color: var(--muted); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.time-box .clock { font-size: clamp(22px, 4vw, 34px); font-weight: 800; margin-bottom: 6px; }
.time-box .meta, .save-status { color: var(--muted); font-size: 14px; line-height: 1.5; }
.warning { display: none; margin-top: 16px; background: var(--warn-bg); color: var(--warn-text); border: 1px solid #fed7aa; border-radius: 16px; padding: 14px 16px; font-weight: 700; line-height: 1.5; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: #f1f5f9; border: 1px solid #e2e8f0; padding: 2px 7px; border-radius: 8px; font-size: 0.95em; }
@media (max-width: 900px) { .panel { grid-column: 1 / -1; } .kv { grid-template-columns: 1fr; } }
@media (max-width: 640px) { body { padding: 14px; } .panel { padding: 18px; } .time-boxes { grid-template-columns: 1fr; } .ip-card { padding: 22px 16px; } }