:root {
    color-scheme: light dark;
    --cm-bg: #f5f7f9;
    --cm-bg-strong: #f5f7f9;
    --cm-surface: rgba(255, 255, 255, 0.9);
    --cm-surface-solid: #ffffff;
    --cm-surface-muted: rgba(245, 248, 251, 0.94);
    --cm-text: #101418;
    --cm-muted: #5d6773;
    --cm-line: rgba(100, 116, 139, 0.22);
    --cm-line-strong: rgba(100, 116, 139, 0.34);
    --cm-accent: #2563eb;
    --cm-accent-strong: #1d4ed8;
    --cm-accent-soft: rgba(37, 99, 235, 0.1);
    --cm-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
    --cm-danger: #b91c1c;
    --cm-danger-soft: rgba(239, 68, 68, 0.1);
    --cm-warning: #a16207;
    --cm-warning-soft: rgba(245, 158, 11, 0.16);
    --cm-success: #047857;
    --cm-success-soft: rgba(16, 185, 129, 0.12);
}

html.dark {
    color-scheme: dark;
    --cm-bg: #0f141a;
    --cm-bg-strong: #0f141a;
    --cm-surface: rgba(17, 24, 39, 0.9);
    --cm-surface-solid: #151c25;
    --cm-surface-muted: rgba(21, 28, 37, 0.92);
    --cm-text: #edf4fb;
    --cm-muted: #9aa7b7;
    --cm-line: rgba(148, 163, 184, 0.16);
    --cm-line-strong: rgba(148, 163, 184, 0.3);
    --cm-accent: #60a5fa;
    --cm-accent-strong: #3b82f6;
    --cm-accent-soft: rgba(96, 165, 250, 0.14);
    --cm-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
    --cm-danger: #f87171;
    --cm-danger-soft: rgba(239, 68, 68, 0.18);
    --cm-warning: #facc15;
    --cm-warning-soft: rgba(250, 204, 21, 0.2);
    --cm-success: #34d399;
    --cm-success-soft: rgba(52, 211, 153, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
    background: linear-gradient(180deg, var(--cm-bg-strong) 0%, var(--cm-bg) 100%);
    color: var(--cm-text);
}

.cm-page {
    min-height: 100vh;
    color: var(--cm-text);
}

.cm-shell {
    width: min(100vw - 28px, 1320px);
    margin: 0 auto;
}

.cm-card {
    border: 1px solid var(--cm-line);
    border-radius: 16px;
    background: var(--cm-surface);
    box-shadow: var(--cm-shadow);
    backdrop-filter: blur(16px);
}

.cm-header {
    border-bottom: 1px solid var(--cm-line);
    background: color-mix(in srgb, var(--cm-surface-solid) 84%, transparent);
    backdrop-filter: blur(18px);
}

.cm-icon {
    background: var(--cm-accent-soft);
    color: var(--cm-accent);
    border: 1px solid var(--cm-line);
}

.cm-control {
    border: 1px solid var(--cm-line) !important;
    border-radius: 12px !important;
    background: var(--cm-surface-solid) !important;
    color: var(--cm-text) !important;
    min-height: 40px;
    box-shadow: none !important;
}

.cm-control:hover {
    background: var(--cm-surface-muted) !important;
}

.cm-primary,
.bg-sky-600,
.hover\:bg-sky-700:hover {
    border: 1px solid transparent;
    border-radius: 12px;
    background: var(--cm-accent) !important;
    color: #ffffff !important;
}

.cm-primary:hover,
.bg-sky-600:hover,
.hover\:bg-sky-700:hover {
    background: var(--cm-accent-strong) !important;
}

.cm-primary:disabled,
.cm-control:disabled,
button:disabled {
    opacity: 0.66;
    cursor: not-allowed;
}

.cm-toolbar {
    border: 1px solid var(--cm-line);
    border-radius: 14px;
    background: var(--cm-surface);
    padding: 10px 12px;
}

.cm-muted {
    color: var(--cm-muted) !important;
}

.cm-table {
    width: 100%;
    border-collapse: collapse;
}

.cm-table thead th {
    border-bottom: 1px solid var(--cm-line);
    color: var(--cm-muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0;
    padding: 9px 10px;
    text-align: left;
    text-transform: none;
    white-space: nowrap;
}

.cm-table tbody tr {
    border-bottom: 1px solid var(--cm-line);
}

.cm-table tbody tr:last-child {
    border-bottom: 0;
}

.cm-table tbody tr:hover {
    background: color-mix(in srgb, var(--cm-surface-muted) 80%, transparent);
}

.cm-table tbody td {
    font-size: 0.76rem;
    padding: 10px;
    vertical-align: top;
}

.cm-status-pill {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    padding: 0 8px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
}

.cm-status-success {
    background: var(--cm-success-soft);
    color: var(--cm-success);
}

.cm-status-error {
    background: var(--cm-danger-soft);
    color: var(--cm-danger);
}

.cm-status-warn {
    background: var(--cm-warning-soft);
    color: var(--cm-warning);
}

.cm-status-info {
    background: var(--cm-accent-soft);
    color: var(--cm-accent);
}

.cm-alert {
    border-radius: 12px;
    font-size: 0.84rem;
    font-weight: 600;
    padding: 10px 12px;
}

.cm-alert-error {
    border: 1px solid color-mix(in srgb, var(--cm-danger) 25%, transparent);
    background: var(--cm-danger-soft);
    color: var(--cm-danger);
}

.cm-alert-success {
    border: 1px solid color-mix(in srgb, var(--cm-success) 25%, transparent);
    background: var(--cm-success-soft);
    color: var(--cm-success);
}

.cm-auth-card {
    width: min(100%, 560px);
    display: grid;
    gap: 14px;
    padding: 14px;
    border: 1px solid var(--cm-line);
    border-radius: 18px;
    background: var(--cm-surface-solid);
    box-shadow: var(--cm-shadow);
}

.cm-auth-title {
    margin: 0;
    font-size: clamp(1.3rem, 3.2vw, 1.75rem);
    font-weight: 650;
    letter-spacing: 0;
}

.cm-auth-field {
    display: grid;
    gap: 6px;
}

.cm-auth-field label {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--cm-muted);
}

.cm-auth-keyword {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.cm-auth-field input,
.cm-auth-field textarea,
.cm-auth-field select {
    width: 100%;
    min-height: 44px;
    padding: 0 12px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 12px;
    background: color-mix(in srgb, var(--cm-surface-solid) 96%, transparent);
    color: var(--cm-text);
    font-size: 0.92rem;
}

.cm-auth-field textarea {
    min-height: 96px;
    padding: 10px 12px;
}

.game-card {
    border: 1px solid var(--cm-line) !important;
    border-radius: 14px !important;
    background: var(--cm-surface) !important;
    box-shadow: var(--cm-shadow);
    overflow: hidden;
}

.game-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 38px rgba(15, 23, 42, 0.08);
}

html.dark .game-card:hover {
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.36);
}

.loading-spinner {
    border: 3px solid #e5e7eb;
    border-top: 3px solid var(--cm-accent);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

.dark .loading-spinner {
    border-color: #374151;
    border-top-color: var(--cm-accent);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.theme-toggle-card {
    border: 1px solid var(--cm-line);
    border-radius: 14px;
    background: var(--cm-surface);
    box-shadow: var(--cm-shadow);
    backdrop-filter: blur(16px);
}

.account-menu {
    position: relative;
}

.account-menu-button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--cm-line);
    border-radius: 999px;
    background: var(--cm-surface-solid);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--cm-shadow);
}

.account-avatar {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: var(--cm-accent);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.account-menu-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: min(300px, calc(100vw - 28px));
    border: 1px solid var(--cm-line);
    border-radius: 10px;
    background: var(--cm-surface-solid);
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.16);
    padding: 8px;
    z-index: 80;
}

html.dark .account-menu-panel {
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
}

.account-menu-identity {
    padding: 10px 12px 12px;
    border-bottom: 1px solid var(--cm-line);
    margin-bottom: 6px;
}

.account-menu-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--cm-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-menu-user,
.account-menu-role {
    color: var(--cm-muted);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-menu-item {
    width: 100%;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--cm-text);
    display: block;
    padding: 9px 10px;
    text-align: left;
    font-size: 13px;
}

.account-menu-item:hover {
    background: var(--cm-surface-muted);
    color: var(--cm-text);
}

.account-menu-logout {
    color: var(--cm-danger);
    cursor: pointer;
}

.bg-gray-50,
.bg-gray-100,
.bg-gray-200,
.dark .dark\:bg-gray-700,
.dark .dark\:bg-gray-700\/50 {
    background: var(--cm-surface-muted) !important;
}

.bg-white,
.bg-white\/90,
.dark .dark\:bg-gray-800,
.dark .dark\:bg-gray-900\/85 {
    background: var(--cm-surface-solid) !important;
}

.border-gray-200,
.border-gray-300,
.dark .dark\:border-gray-700,
.dark .dark\:border-gray-600 {
    border-color: var(--cm-line) !important;
}

.text-gray-400,
.text-gray-500,
.text-gray-600 {
    color: var(--cm-muted) !important;
}

.text-gray-700,
.text-gray-800,
.text-gray-900,
.text-slate-700,
.text-slate-800,
.text-slate-900 {
    color: var(--cm-text) !important;
}

.text-slate-500,
.text-slate-600 {
    color: var(--cm-muted) !important;
}

.bg-slate-50,
.bg-slate-100 {
    background: var(--cm-surface-muted) !important;
}

.bg-slate-900 {
    background: var(--cm-text) !important;
    color: var(--cm-surface-solid) !important;
}

.border-slate-100,
.border-slate-200,
.border-slate-300 {
    border-color: var(--cm-line) !important;
}

.border-red-500\/50 {
    border-color: color-mix(in srgb, var(--cm-danger) 48%, transparent) !important;
}

.border-green-500\/50 {
    border-color: color-mix(in srgb, var(--cm-success) 48%, transparent) !important;
}

.border-amber-200\/70 {
    border-color: color-mix(in srgb, var(--cm-warning) 34%, transparent) !important;
}

.text-sky-400,
.text-sky-500,
.focus\:ring-sky-500:focus {
    color: var(--cm-accent) !important;
}

.bg-sky-600\/20 {
    background: color-mix(in srgb, var(--cm-accent) 16%, transparent) !important;
}

.border-sky-500\/50 {
    border-color: color-mix(in srgb, var(--cm-accent) 44%, transparent) !important;
}

.bg-red-500\/15 {
    background: var(--cm-danger-soft) !important;
}

.bg-red-500\/10 {
    background: var(--cm-danger-soft) !important;
}

.bg-green-500\/10 {
    background: var(--cm-success-soft) !important;
}

.bg-yellow-500\/15 {
    background: var(--cm-warning-soft) !important;
}

.bg-amber-50\/80 {
    background: color-mix(in srgb, var(--cm-warning-soft) 88%, var(--cm-surface-solid)) !important;
}

.bg-blue-500\/15 {
    background: var(--cm-accent-soft) !important;
}

.bg-black\/70 {
    background: rgba(16, 20, 24, 0.78) !important;
}

.text-red-600,
.text-red-700 {
    color: var(--cm-danger) !important;
}

.text-yellow-600,
.text-yellow-700 {
    color: var(--cm-warning) !important;
}

.text-green-700 {
    color: var(--cm-success) !important;
}

.text-blue-700 {
    color: var(--cm-accent) !important;
}

input,
textarea,
select {
    border-color: var(--cm-line) !important;
    border-radius: 12px !important;
    background: var(--cm-surface-solid) !important;
    color: var(--cm-text) !important;
}

input:focus,
textarea:focus,
select:focus {
    border-color: color-mix(in srgb, var(--cm-accent) 52%, var(--cm-line)) !important;
    box-shadow: 0 0 0 4px var(--cm-accent-soft) !important;
    outline: none !important;
}

html.dark .dark\:hidden { display: none !important; }
html.dark .dark\:block { display: block !important; }
html:not(.dark) .dark\:block { display: none !important; }

html.dark .dark\:bg-gray-950 { background-color: var(--cm-bg) !important; }
html.dark .dark\:bg-gray-900\/85 { background-color: color-mix(in srgb, var(--cm-surface-solid) 85%, transparent) !important; }
html.dark .dark\:bg-gray-800 { background-color: var(--cm-surface-solid) !important; }
html.dark .dark\:bg-gray-700 { background-color: var(--cm-surface-muted) !important; }
html.dark .dark\:bg-gray-700\/50 { background-color: color-mix(in srgb, var(--cm-surface-muted) 50%, transparent) !important; }
html.dark .dark\:bg-gray-600 { background-color: var(--cm-surface-muted) !important; }

html.dark .dark\:border-gray-700 { border-color: var(--cm-line) !important; }
html.dark .dark\:border-gray-600 { border-color: var(--cm-line) !important; }

html.dark .dark\:text-white { color: var(--cm-text) !important; }
html.dark .dark\:text-gray-100 { color: var(--cm-text) !important; }
html.dark .dark\:text-gray-400 { color: var(--cm-muted) !important; }
html.dark .dark\:text-gray-300 { color: var(--cm-text) !important; }
html.dark .dark\:text-gray-600 { color: var(--cm-muted) !important; }
html.dark .dark\:text-gray-500 { color: var(--cm-muted) !important; }
html.dark .dark\:text-red-400 { color: var(--cm-danger) !important; }
html.dark .dark\:text-green-400 { color: var(--cm-success) !important; }
html.dark .dark\:text-yellow-500 { color: var(--cm-warning) !important; }
html.dark .dark\:text-yellow-400 { color: var(--cm-warning) !important; }
html.dark .dark\:text-blue-300 { color: var(--cm-accent) !important; }
html.dark .dark\:text-sky-400 { color: var(--cm-accent) !important; }

html.dark .dark\:border-amber-400\/20 { border-color: color-mix(in srgb, var(--cm-warning) 40%, transparent) !important; }
html.dark .dark\:bg-amber-400\/10 { background: color-mix(in srgb, var(--cm-warning-soft) 84%, transparent) !important; }

html.dark .dark\:hover\:bg-gray-700:hover { background-color: var(--cm-surface-muted) !important; }
html.dark .dark\:hover\:bg-gray-600:hover { background-color: var(--cm-surface-muted) !important; }
html.dark .dark\:hover\:text-white:hover { color: var(--cm-text) !important; }
html.dark .dark\:hover\:text-red-400:hover { color: var(--cm-danger) !important; }

@media (max-width: 720px) {
    .cm-shell {
        width: min(100vw - 18px, 1320px);
    }

    .cm-header .cm-shell {
        align-items: flex-start;
        flex-direction: column;
    }

    .cm-header .cm-shell > div:last-child {
        width: 100%;
        flex-wrap: wrap;
        gap: 8px;
    }

    .theme-toggle-card {
        right: 9px;
        top: 9px;
    }
}