html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #0071c1;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===================== dundam 스타일 레이아웃 + 테마 ===================== */
:root, html[data-theme="dark"] {
    --bg: #15171c;
    --surface: #1e2128;
    --header-bg: #1a1d23;
    --text: #e6e8eb;
    --text-dim: #9aa0a6;
    --border: #2c313a;
    --accent: #4a9eff;
    --tab-hover: #262a32;
    --ad-bg: #181b21;
}
html[data-theme="light"] {
    --bg: #eef0f3;
    --surface: #ffffff;
    --header-bg: #ffffff;
    --text: #1a1d23;
    --text-dim: #5f6368;
    --border: #dadce0;
    --accent: #1a73e8;
    --tab-hover: #f1f3f4;
    --ad-bg: #e7e9ec;
}

html, body {
    background: var(--bg);
    color: var(--text);
    color-scheme: dark light;
}

/* 헤더 */
.app-header {
    display: flex;
    align-items: center;
    height: 56px;
    padding: 0 16px;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1030;
}
.hdr-side { flex: 1 1 0; display: flex; align-items: center; gap: 6px; min-width: 0; }
.hdr-right { justify-content: flex-end; }
.hdr-tabs { display: flex; gap: 8px; min-width: 0; }
.hdr-tab {
    padding: 8px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--text-dim);
    text-decoration: none;
    transition: background .15s, color .15s;
}
.hdr-tab:hover { background: var(--tab-hover); color: var(--text); text-decoration: none; }
.hdr-tab.active { background: var(--accent); color: #fff; }
.theme-toggle {
    width: 36px; height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    font-size: 1.05rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.theme-toggle:hover { background: var(--tab-hover); }
.theme-toggle.on { background: var(--accent); color: #fff; border-color: var(--accent); }

@media (max-width: 900px) {
    .app-header {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 8px;
        padding: 0 8px;
    }
    .hdr-side { flex: none; }
    .hdr-tabs {
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none;
    }
    .hdr-tabs::-webkit-scrollbar { display: none; }
    .hdr-tab { flex: 0 0 auto; padding: 8px 12px; font-size: .92rem; }
}

/* 폰(터치·좁은 화면)에서는 미니게임 헬퍼 탭 숨김 — 화면 캡처(getDisplayMedia)가 안 됨. JS 감지와 이중 안전장치 */
@media (pointer: coarse) and (max-width: 900px) {
    .hdr-tab-minigame { display: none; }
}

/* 본문 3열 (좌 광고 | 중앙 콘텐츠 | 우 광고) */
.app-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1280px) minmax(0, 1fr);
    align-items: start;
}
.app-content {
    min-width: 0;
    padding: 16px 22px 64px;
}
.ad-col {
    position: sticky;
    top: 56px;
    align-self: stretch;
    min-height: calc(100vh - 56px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 24px;
    background: var(--ad-bg);
}
.ad-ph {
    color: var(--text-dim);
    opacity: .4;
    font-size: .8rem;
    border: 1px dashed var(--border);
    border-radius: 8px;
    padding: 60px 18px;
    text-align: center;
}

/* 광고열 숨김 — 시뮬레이터가 넓은 폭을 쓰도록 */
@media (max-width: 1400px) {
    .app-body { grid-template-columns: 1fr; }
    .ad-col { display: none; }
}

/* 다크모드 기본 가독성 (콘텐츠 외곽 텍스트) */
html[data-theme="dark"] .app-content { color: var(--text); }
html[data-theme="dark"] .app-content h1,
html[data-theme="dark"] .app-content h2,
html[data-theme="dark"] .app-content h3 { color: var(--text); }

/* 브랜드 */
.brand {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.brand:hover { color: var(--accent); text-decoration: none; opacity: .85; }

/* 푸터 */
.app-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 18px 16px;
    border-top: 1px solid var(--border);
    background: var(--header-bg);
    color: var(--text-dim);
    font-size: .85rem;
}
.app-footer a { color: var(--text-dim); text-decoration: none; }
.app-footer a:hover { color: var(--text); text-decoration: underline; }

/* 개인정보처리방침 페이지 */
.policy-page {
    max-width: 820px;
    margin: 0 auto;
    line-height: 1.7;
    color: var(--text);
}
.policy-page h1 { font-size: 1.7rem; margin-bottom: 6px; }
.policy-page h2 { font-size: 1.15rem; margin: 26px 0 8px; }
.policy-page .policy-meta { color: var(--text-dim); margin-bottom: 20px; }
.policy-page a { color: var(--accent); }
.policy-page ul { padding-left: 20px; }
.policy-page li { margin: 4px 0; }
.policy-page .policy-back { margin-top: 32px; }