:root {
    /* Planet Crafter — Martian rust + terraforming teal */
    --bg: #f6f1eb;
    --bg-card: #ffffff;
    --bg-soft: #efe7df;
    --bg-inset: #e6dcd0;
    --border: #d8c8b8;
    --border-soft: #ebe1d6;
    --text: #2a1f17;
    --text-soft: #5d4d3f;
    --text-muted: #8d7c6c;
    --accent: #c9572b;            /* Martian rust */
    --accent-hover: #a64421;
    --accent-bg: #fbe8de;
    --secondary: #2f8a8a;          /* Terraforming teal */
    --secondary-bg: #d8edec;
    --header-from: #3b1f10;        /* Deep night sky */
    --header-to: #1a0f08;
    --header-fg: #f7e3c9;
    --header-fg-soft: #d6b18e;
    --warn-bg: #fff1d3;
    --warn-fg: #6b4900;
    --warn-border: #f1d792;
    --danger: #b94c2a;
    --danger-hover: #8a3a20;
    --shadow-sm: 0 1px 2px rgba(60, 30, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(60, 30, 0, 0.10);
    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 10px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #15110d;
        --bg-card: #1f1813;
        --bg-soft: #2a201a;
        --bg-inset: #322620;
        --border: #4a3a2e;
        --border-soft: #2c2118;
        --text: #f4ead9;
        --text-soft: #c8b69a;
        --text-muted: #8d7c6c;
        --accent: #e07347;
        --accent-hover: #f08a5e;
        --accent-bg: #3a1d10;
        --secondary: #4ab2ae;
        --secondary-bg: #163131;
        --header-from: #2a140a;
        --header-to: #100805;
        --header-fg: #f7e3c9;
        --header-fg-soft: #d6b18e;
        --warn-bg: #3a2a05;
        --warn-fg: #f3d57a;
        --warn-border: #5a4500;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
        --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.55);
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.6rem; }
h3 { font-size: 1rem; margin: 0 0 0.4rem; }
h1:focus { outline: none; }

p { margin: 0 0 0.6rem; }

.section {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}

.section h2 {
    margin: 0 0 0.8rem;
    font-size: 1.05rem;
    font-weight: 600;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--bg-inset);
    color: var(--text);
    padding: 0.05rem 0.3rem;
    border-radius: var(--radius-sm);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: var(--text);
}

input[type="text"],
input[type="search"],
input[type="number"],
select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.35rem 0.55rem;
    transition: border-color 0.12s, box-shadow 0.12s;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transform: translateY(0);
    box-shadow: 0 1px 0 rgba(60, 30, 0, 0.08);
    transition: background 0.12s, border-color 0.12s, color 0.12s, transform 0.06s, box-shadow 0.06s;
}

.btn:hover { background: var(--bg-soft); }
.btn:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18);
    filter: brightness(0.92);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.btn:disabled:hover { background: var(--bg-card); }

.btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 1px 0 rgba(80, 30, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.primary:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.30);
    filter: brightness(0.92);
}
.btn.primary:disabled { background: var(--accent); border-color: var(--accent); }

.btn.danger {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--danger);
}
.btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.danger:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.25);
    filter: brightness(0.92);
}

.btn.ghost { background: transparent; border-color: transparent; color: var(--text-soft); box-shadow: none; }
.btn.ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn.ghost:active:not(:disabled) {
    transform: translateY(1px);
    background: var(--bg-inset);
}

#blazor-error-ui {
    color-scheme: light only;
    background: #2a1208;
    color: #fce6c6;
    bottom: 0;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.35);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.7rem 1.25rem 0.8rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-weight: 500;
    border-top: 1px solid #c9572b;
}

#blazor-error-ui a,
#blazor-error-ui .reload {
    color: #ffb893;
    font-weight: 600;
    margin-left: 0.5rem;
}
#blazor-error-ui a:hover { color: #fff; }

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.6rem;
    color: #fce6c6;
    opacity: 0.7;
}
#blazor-error-ui .dismiss:hover { opacity: 1; }

.blazor-error-boundary {
    background: #b32121;
    color: white;
    padding: 1rem;
    border-radius: var(--radius);
}
.blazor-error-boundary::after { content: "An error has occurred."; }

.dropzone-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto;
}

.loading-progress circle { fill: none; stroke: var(--border); stroke-width: 0.6rem; transform-origin: 50% 50%; transform: rotate(-90deg); }
.loading-progress circle:last-child {
    stroke: var(--accent);
    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: 600;
    color: var(--text-soft);
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}
.loading-progress-text:after { content: var(--blazor-load-percentage-text, "Loading"); }