:root {
    color-scheme: light dark;
    --app-background-color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --app-background-color: #121212;
    }
}

:root.theme-light {
    color-scheme: light;
    --app-background-color: #ffffff;
    --overlay-bg: #ffffff;
    --overlay-text: #181717;
    --overlay-border: #E3E4E4;
    --overlay-focus: #1A73E8;
    --overlay-placeholder: #8F8F8F;
    --overlay-scrim: rgba(0, 0, 0, 0.7);
    --overlay-panel-bg: #F3F7FF;
    --overlay-btn-bg: #1A73E8;
    --overlay-btn-text: #ffffff;
}

:root.theme-dark {
    color-scheme: dark;
    --app-background-color: #121212;
    --overlay-bg: #181717;
    --overlay-text: #E3E4E4;
    --overlay-border: #666666;
    --overlay-focus: #1A73E8;
    --overlay-placeholder: #D9D9D9;
    --overlay-scrim: rgba(0, 0, 0, 0.7);
    --overlay-panel-bg: #272D39;
    --overlay-btn-bg: #1A73E8;
    --overlay-btn-text: #E3E4E4;
}

#input-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

#input-overlay .overlay-scrim {
    position: absolute;
    inset: 0;
    background: var(--overlay-scrim);
}

#input-overlay .overlay-panel {
    position: relative;
    background: var(--overlay-bg);
    border-top: 1px solid var(--overlay-border);
    padding: 16px 20px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-family: 'Roboto', sans-serif;
}

#input-overlay .overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#input-overlay .overlay-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--overlay-text);
    opacity: 0.7;
}

#input-overlay .overlay-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--overlay-border);
    border-radius: 50%;
    color: var(--overlay-text);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

#input-overlay .overlay-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

#input-overlay .overlay-input {
    flex: 1;
    height: 48px;
    border: 2px solid var(--overlay-focus);
    border-radius: 8px;
    padding: 0 16px;
    font-size: 18px;
    color: var(--overlay-text);
    background: var(--overlay-bg);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
}

#input-overlay .overlay-input::placeholder {
    color: var(--overlay-placeholder);
}

#input-overlay .overlay-input:focus {
    border-color: var(--overlay-focus);
}

#input-overlay .overlay-toggle-pw {
    width: 48px;
    height: 48px;
    border: 2px solid var(--overlay-border);
    border-radius: 8px;
    background: var(--overlay-bg);
    color: var(--overlay-text);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

#input-overlay .overlay-done {
    height: 48px;
    border: none;
    border-radius: 8px;
    background: var(--overlay-btn-bg);
    color: var(--overlay-btn-text);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: var(--app-background-color);
    overscroll-behavior: none;
    touch-action: none;
}

canvas {
    touch-action: pan-y;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}