/* visionA Local — splash screen */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --brand-bg-top: #1A1F36;
    --brand-bg-bottom: #0E1222;
    --brand-primary: #4F7EFF;
    --brand-primary-light: #6EA8FF;
    --brand-mint: #6EF3C5;
    --brand-white: #FFFFFF;
    --brand-muted: #8890B0;
    --brand-danger: #FF6B6B;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei',
                 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, var(--brand-bg-top) 0%, var(--brand-bg-bottom) 100%);
    color: #E6E8F0;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

#app {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.splash {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 48px;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.logo-icon {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    box-shadow: 0 16px 64px rgba(79, 126, 255, 0.25),
                0 0 0 1px rgba(110, 168, 255, 0.12);
}

.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.brand-name {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--brand-white);
}

.brand-accent {
    color: var(--brand-primary-light);
    font-weight: 400;
}

.brand-tagline {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brand-muted);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 2.5px solid rgba(255, 255, 255, 0.08);
    border-top-color: var(--brand-primary-light);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    margin-top: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.status {
    font-size: 13px;
    color: var(--brand-muted);
    letter-spacing: 0.02em;
}

.error {
    max-width: 560px;
    padding: 14px 18px;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.35);
    border-radius: 10px;
    color: #FFB5B5;
    font-size: 13px;
    line-height: 1.55;
    text-align: center;
}