:root {
    /* Main Color Theme */
    --color-background: #92938d; /* gray-green */
    --color-primary: #191915; /* deep charcoal */
    --color-secondary: #cacbc5; /* soft light gray */

    --accent-1: #3a3a37; /* black lighter than primary */
    --accent-2: #4a83a0; /* muted steel blue */
    --accent-3: #b9821e; /* brass/gold */
}

body, html {
    font-family: 'Inter', 'Montserrat', Arial, sans-serif;
    letter-spacing: 0.01em;
    font-size: 1.05rem;
    margin: 0;
    padding: 0;
    background-color: var(--color-background);
    color: var(--color-primary);
}

.flex-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    margin-top: 84px; /* adjust to header height */
    flex: 1 1 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
}

h1, h2, h3, h4, h5 {
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-primary);
}

a, .btn-link {
    color: var(--color-primary);
    transition: color 0.2s;
}
    a:hover, .btn-link:hover {
        color: var(--color-secondary);
        text-decoration: underline;
    }

.btn-primary {
    background: var(--color-primary);
    color: var(--color-secondary);
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    transition: background 0.2s;
}

    .btn-primary:hover, .btn-primary:focus {
        background: var(--color-secondary);
        color: var(--color-primary);
    }

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,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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."
    }

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

.loading-progress {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8rem;
    height: 8rem;
}

    .loading-progress .spinner-background {
        fill: none;
        stroke: rgba(255,255,255,0.2);
        stroke-width: 0.6rem;
    }

    .loading-progress .spinner-arc {
        fill: none;
        stroke: var(--color-secondary);
        stroke-width: 0.6rem;
        stroke-linecap: round;
        stroke-dasharray: 80 150; 
        transform-origin: 50% 50%;
        animation: spin 1s linear infinite;
    }

.loading-progress-text {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    font-weight: bold;
    color: var(--color-primary);
}

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

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

    100% {
        transform: rotate(360deg);
    }
}