/* Prompt-inspired minimal dark UI */

:root {
    --bg: #0b0f14;
    --panel: rgba(255, 255, 255, 0.06);
    --panel-2: rgba(255, 255, 255, 0.09);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.62);
    --muted-2: rgba(255, 255, 255, 0.42);
    --border: rgba(255, 255, 255, 0.14);
    --accent: #ffffff;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
    --radius: 18px;
    --radius-sm: 12px;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(1200px 800px at 50% -10%, rgba(255, 255, 255, 0.08), transparent 55%),
    radial-gradient(900px 600px at 80% 0%, rgba(255, 255, 255, 0.06), transparent 60%),
    var(--bg);
    color: var(--text);
}

a {
    color: inherit;
}

.ai-shell {
    min-height: 100vh;
}

/* Page */
.prompt {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.prompt-header {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-weight: 650;
    letter-spacing: 0.4px;
    opacity: 0.95;
    min-height: 1px;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.icon-btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    cursor: pointer;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.07);
}

.pill-btn {
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    cursor: pointer;
}

.pill-btn:hover {
    background: rgba(255, 255, 255, 0.07);
}

.prompt-main {
    flex: 1;
    width: min(920px, calc(100% - 44px));
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* We center via .prompt-center now; prompt-main just provides layout + bottom footer. */
    justify-content: stretch;
    gap: 0;
    padding: 30px 0 46px;
}

/* Center stack (title + card + result) */
.prompt-center {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    /* This fills the remaining space and keeps the prompt centered. */
    flex: 1;
}

.prompt-title {
    margin: 0;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 720;
    letter-spacing: -0.6px;
    text-align: center;
}

.prompt-card {
    width: 100%;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.prompt-row {
    display: grid;
    grid-template-columns: 28px 1fr 44px;
    align-items: center;
    gap: 10px;
    padding: 4px;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.10);
}

.spark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
}

.prompt-input {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text);
    font-size: 16px;
    padding: 8px 2px;
    resize: none;
    line-height: 1.35;
    min-height: 0;
    max-height: 400px;
    overflow-y: hidden;
}

.prompt-input::placeholder {
    color: var(--muted-2);
}

.send-btn {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #111;
    background: var(--accent);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.send-btn:hover {
    filter: brightness(0.96);
}

.send-icon {
    font-size: 18px;
    transform: translateX(1px);
}

.result {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.result-label {
    font-size: 12px;
    color: var(--muted-2);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 6px;
}

.result-text {
    font-size: 14px;
    color: var(--text);
    word-break: break-word;
}

.fineprint {
    margin: 6px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--muted-2);
}

/* Keep Blazor error UI readable on dark background */
#blazor-error-ui {
    background: #2b1111;
    color: white;
}