* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    transition: background 0.25s ease, color 0.25s ease;
}

body.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

#splash-screen {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.splash-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.splash-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.splash-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.splash-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-top: 2px solid #0072ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.splash-version {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: #2a2d35;
    letter-spacing: 0.5px;
}

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

#main-content {
    animation: fadeIn 0.6s ease-out;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.message {
    text-align: center;
    font-size: 14px;
    margin-top: 16px;
    min-height: 24px;
    transition: opacity 0.4s ease, transform 0.4s ease;
    opacity: 0;
    transform: translateY(-4px);
}

.message.show {
    opacity: 1;
    transform: translateY(0);
}