:root {
    --osd-bg-main: #f5f6f8;
    --osd-bg-card: #ffffff;
    --osd-color-primary: #475569;
    --osd-color-primary-dark: #334155;
    --osd-color-text-main: #1f2937;
    --osd-color-text-sub: #6b7280;
    --osd-color-border: #d1d5db;
    --osd-color-error: #dc2626;
    --osd-radius: 6px;
}

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

a, .btn-link {
    color: #006bb7;
}

.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;
}

h1:focus {
    outline: none;
}

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

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

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

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/*-- Main Layout --*/

.osd-layout {
    min-height: 100vh;
    background-color: var(--osd-bg-main);
    display: flex;
    flex-direction: column;
}

.osd-main {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 48px 16px;
}

.osd-content {
    width: 100%;
    max-width: 520px;
}

/*-- Top Menu --*/

.osd-topmenu {
    background-color: #334155;
    color: #ffffff;
    padding: 16px 24px;
}

.osd-topmenu-title {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-align: center;
}

.osd-topmenu-sub {
    font-size: 0.85rem;
    opacity: 0.8;
    text-align: center;
}

/*-- “ü—͉æ–Ê --*/

.osd-card {
    background-color: var(--osd-bg-card);
    border-radius: var(--osd-radius);
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.osd-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--osd-color-text-main);
    margin-bottom: 16px;
}

.osd-card-desc {
    font-size: 0.9rem;
    color: var(--osd-color-text-sub);
    margin-bottom: 24px;
}

.osd-form-label {
    font-size: 0.85rem;
    color: var(--osd-color-text-sub);
    margin-bottom: 4px;
}

.osd-input {
    border-radius: var(--osd-radius);
    border: 1px solid var(--osd-color-border);
    padding: 10px 12px;
}

    .osd-input:focus {
        border-color: var(--osd-color-primary);
        box-shadow: 0 0 0 0.1rem rgba(37, 99, 235, 0.2);
    }

    .osd-input::placeholder {
        color: #d1d5db !important; /* Tailwind gray-400 ‘Š“– */
        opacity: 1; /* Firefox‘΍ô */
    }

.osd-code-group {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.osd-code-input {
    width: 44px;
    height: 44px;
    text-align: center;
    font-size: 1.1rem;
    border-radius: var(--osd-radius);
    border: 1px solid var(--osd-color-border);
}

.btn-osd-primary {
    background-color: var(--osd-color-primary) !important;
    border-color: var(--osd-color-primary) !important;
    font-weight: 400 !important;
    letter-spacing: 0.05em;
    color: white !important;
}

    .btn-osd-primary:hover {
        background-color: var(--osd-color-primary-dark) !important;
        border-color: var(--osd-color-primary-dark) !important;
    }

.btn-osd-complete {
    border: 1px solid #9ca3af !important;
    font-weight: 400 !important;
    letter-spacing: 0.06em !important;
    background: linear-gradient(180deg, #000000 0%, #024ea5 100%) !important;
    color: white !important;
    font-weight: bold;
    font-size: 1.1rem;
    padding: 12px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    transform: translateY(-1px);
    text-shadow: 0 0 2px rgba(255,255,255,0.3);
}

    .btn-osd-complete:hover {
        background-color: #f3f4f6 !important;
        border-color: #6b7280 !important;
        color: white !important;
        text-shadow: 0 0 4px rgba(255,255,255,0.6), 0 0 8px rgba(255,255,255,0.4);
    }

    .btn-osd-complete:disabled {
        border-color: #d1d5db !important;
        color: #9ca3af !important;
        background-color: transparent !important;
    }

.osd-help-text {
    font-size: 0.8rem;
    color: var(--osd-color-text-sub);
    text-align: center;
    line-height: 1.5;
}

.osd-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--osd-color-error);
    padding: 12px;
    border-radius: var(--osd-radius);
    font-size: 0.85rem;
}

/* Pagenation*/
.pagination {
    display: flex;
    gap: 6px;
    align-items: center;
}

    .pagination button {
        border: 1px solid #fff;
        background: white;
        padding: 4px 10px;
        border-radius: 6px;
        cursor: pointer;
    }

        .pagination button:hover {
            background: #f5f5f5;
        }

        .pagination button:disabled {
            opacity: 0.4;
        }

/* Table */
.row-table tbody tr:hover {
    background-color: #f5f9ff;
}

.row-table tbody tr,
.row-table tbody td {
    cursor: pointer;
    user-select: none;
}

.row-table tbody td.selectable {
    cursor: default;
    user-select: text !important;
}


.row-table tr.selected {
    background-color: #e6f0ff;
}

.checkbox-cell-container {
    position: relative;
    padding: 0 !important;
    text-align: center;
    vertical-align: middle;
    width: 30px;
}

.checkbox-cell {
    position: relative;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 0;
}

    .checkbox-cell:hover {
        background-color: rgba(0,0,0,0.03);
    }

.loading-bounce {
    display: inline-flex;
    align-items: flex-end;
    gap: 4px;
}

    .loading-bounce span {
        width: 2px;
        height: 2px;
        background-color: #808284;
        border-radius: 50%;
        animation: bounce 1.2s infinite ease-in-out;
    }

        /* ずらして波にする */
        .loading-bounce span:nth-child(1) {
            animation-delay: 0s;
        }

        .loading-bounce span:nth-child(2) {
            animation-delay: 0.2s;
        }

        .loading-bounce span:nth-child(3) {
            animation-delay: 0.4s;
        }

@keyframes bounce {
    0%, 80%, 100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-4px);
    }
}

/* Previewer */
.preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0);
    opacity: 0;
    transition: all 0.5s ease;
    z-index: 9999;
}

    .preview-overlay.show {
        background: rgba(0,0,0,0.6);
        opacity: 1;
    }

.preview-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -40%) scale(0.95);
    opacity: 0;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.25s ease;
}

    /* 表示時 */
    .preview-container.show {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    .preview-container.fullscreen {
        width: 100%;
        height: 100%;
        background: white;
    }

    .preview-container.normal {
        margin: auto;
        width: 40%;
        height: 70%;
        background: white;
        border-radius: 8px;
        overflow: hidden;
    }

/* iframe */
.preview-frame {
    width: 100%;
    height: 100%;
    border: none;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 20px;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    font-size: 10px;
    padding: 6px 10px;
    cursor: pointer !important;
    border-radius: 4px;
}

    .close-button:hover {
        background: rgba(0,0,0,0.8);
    }

.preview-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

    .preview-controls.show {
        opacity: 1;
    }

/* ボタンデザイン（Box風） */
.control-btn {
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 999px; /* pill型 */
    font-size: 14px;
}

    .control-btn:hover {
        background: rgba(0,0,0,0.8);
    }

.control-icon {
    width: 22px;
    height: 22px;
    pointer-events: none;
}