.ai-usage-page { display: grid; gap: 16px; }
.ai-usage-hero { min-height: 180px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 34px 38px; border-radius: 22px; background: linear-gradient(120deg, #0b3154, #126b80); color: #fff; box-shadow: var(--shadow); }
.ai-usage-hero h1 { margin: 6px 0 9px; color: #fff; font-size: clamp(34px, 4vw, 50px); line-height: 1; }
.ai-usage-hero p { max-width: 760px; margin: 0; color: #dbeaf0; }
.ai-usage-hero aside { min-width: 235px; display: grid; gap: 3px; padding: 15px 17px; border: 1px solid rgba(226, 196, 119, .55); border-radius: 12px; background: rgba(5, 34, 58, .34); }
.ai-usage-hero aside b { color: var(--gold-bright); font-size: 12px; }
.ai-usage-hero aside span { color: #dbeaf0; font-size: 11px; }
.ai-usage-periods { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px; border: 1px solid #cfe0e9; border-radius: 15px; background: #fff; }
.ai-usage-periods a { padding: 8px 13px; border: 1px solid #d6e2e8; border-radius: 999px; color: #30566b; font-size: 11px; font-weight: 800; text-decoration: none; }
.ai-usage-periods a:hover, .ai-usage-periods a.is-active { border-color: #176d86; background: #176d86; color: #fff; }
.ai-usage-summary { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.ai-usage-summary article { min-width: 0; display: grid; gap: 5px; padding: 19px; border: 1px solid #cfe0e9; border-radius: 16px; background: #fff; box-shadow: 0 6px 18px rgba(18, 62, 82, .05); }
.ai-usage-summary span { color: #6c8592; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.ai-usage-summary b { color: #0d4668; font-size: clamp(20px, 2vw, 29px); letter-spacing: -.04em; }
.ai-usage-summary small { color: #7a8e98; font-size: 10px; }
.ai-usage-panel { min-width: 0; padding: 24px; border: 1px solid #cfe0e9; border-radius: 18px; background: #fff; box-shadow: 0 7px 22px rgba(18, 62, 82, .05); }
.ai-usage-panel > header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 17px; }
.ai-usage-panel h2 { margin: 4px 0 0; color: #103f5f; font-size: 22px; }
.ai-usage-panel > header > small { color: #7a8e98; font-size: 10px; }
.ai-usage-table-wrap { overflow-x: auto; }
.ai-usage-table { width: 100%; border-collapse: collapse; font-size: 11px; white-space: nowrap; }
.ai-usage-table th { padding: 10px 12px; border-bottom: 2px solid #dbe7ec; color: #68818e; font-size: 9px; text-align: left; text-transform: uppercase; letter-spacing: .08em; }
.ai-usage-table td { padding: 13px 12px; border-bottom: 1px solid #e5edf1; color: #294d60; }
.ai-usage-table td:first-child { min-width: 180px; }
.ai-usage-table td b, .ai-usage-table td small { display: block; }
.ai-usage-table td b { color: #123f59; }
.ai-usage-table td small { margin-top: 2px; color: #7d929c; font-size: 9px; }
.ai-usage-feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.ai-usage-feature-grid article { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 15px 17px; border: 1px solid #dce7ec; border-radius: 12px; background: #f8fbfc; }
.ai-usage-feature-grid b, .ai-usage-feature-grid span { display: block; }
.ai-usage-feature-grid b { color: #153f58; font-size: 12px; }
.ai-usage-feature-grid span { margin-top: 3px; color: #728894; font-size: 10px; }
.ai-usage-feature-grid strong { color: #176d86; white-space: nowrap; }
.ai-usage-empty { display: grid; gap: 4px; padding: 28px; border: 1px dashed #b9d0da; border-radius: 13px; background: #f8fbfc; color: #6d848f; text-align: center; }
.ai-usage-empty b { color: #31576a; }
.ai-usage-note { margin: 0; padding: 13px 16px; border-left: 3px solid var(--gold); border-radius: 8px; background: #f6f0e4; color: #786947; font-size: 10px; }

@media (max-width: 1100px) { .ai-usage-summary { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) {
    .ai-usage-hero { align-items: flex-start; flex-direction: column; padding: 27px 24px; }
    .ai-usage-hero aside { width: 100%; min-width: 0; }
    .ai-usage-summary { grid-template-columns: 1fr 1fr; }
    .ai-usage-feature-grid { grid-template-columns: 1fr; }
    .ai-usage-panel > header { align-items: flex-start; flex-direction: column; gap: 5px; }
}
@media (max-width: 460px) { .ai-usage-summary { grid-template-columns: 1fr; } }