:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --line: #e5e7eb;
    --btn: #111827;
    --btn-text: #ffffff;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    background: var(--bg);
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    padding: 0;
}

.app-shell {
    width: 100vw;
    height: 100vh;
    border-radius: 10px;
    background: var(--card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.window-header {
    height: 30px;
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    border-bottom: 1px solid var(--line);
    background: #f8f8f8;
    color: #6b7280;
    user-select: none;
}

body.os-windows .window-header {
    justify-content: space-between;
}

.header-spacer {
    display: none;
    width: 48px;
    height: 22px;
}

body.os-windows .header-spacer {
    display: block;
}

.header-title {
    font-size: 12px;
    line-height: 1;
    font-weight: 500;
}

.window-actions {
    display: none;
    align-items: center;
    gap: 4px;
}

body.os-windows .window-actions {
    display: flex;
}

.window-btn {
    width: 22px;
    height: 22px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.window-btn img {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.window-btn:hover {
    background: #e5e7eb;
}

.window-btn:hover img {
    opacity: 1;
}

.window-btn.close-btn:hover {
    background: #ef4444;
}

.window-btn.close-btn:hover img {
    filter: brightness(0) invert(1);
}

.panel {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
}

.panel-top,
.panel-bottom {
    display: grid;
    gap: 12px;
}

.row {
    display: grid;
    grid-template-columns: 74px 1fr;
    align-items: center;
    gap: 8px;
}

.windows-only {
    display: none;
}

body.os-windows .windows-only {
    display: grid;
}

.field {
    display: grid;
    grid-template-columns: 1fr 56px;
    gap: 8px;
    align-items: center;
}

.label {
    color: var(--muted);
    font-size: 13px;
}

input {
    width: 100%;
    height: 32px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 10px;
    font-size: 13px;
    outline: none;
    background: #fff;
}

input:focus {
    border-color: #9ca3af;
}

input[readonly] {
    background: #f9fafb;
}

.value {
    font-size: 13px;
}

.toggle-btn {
    width: 100%;
    height: 38px;
    border: none;
    border-radius: 8px;
    background: var(--btn);
    color: var(--btn-text);
    font-size: 13px;
    cursor: pointer;
}

.toggle-btn.enabled {
    background: #374151;
}

.toggle-btn.waiting-init {
    background: #9ca3af;
}

.init-btn {
    width: 100%;
    height: 38px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #fff;
    color: #374151;
    font-size: 13px;
    cursor: pointer;
}

.init-btn:hover:not(:disabled) {
    border-color: #9ca3af;
    background: #f9fafb;
}

.query-btn {
    height: 30px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    padding-left: 0;
    padding-right: 0;
    font-size: 12px;
    color: #374151;
    cursor: pointer;
}

.query-btn:disabled,
.init-btn:disabled,
.toggle-btn:disabled,
.window-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.expire-inline {
    margin: 0;
    font-size: 12px;
    color: var(--muted);
}

.init-status-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.init-status {
    font-size: 12px;
}

.init-status[data-state="idle"] {
    color: #6b7280;
}

.init-status[data-state="checking"] {
    color: #2563eb;
}

.init-status[data-state="ready"] {
    color: #047857;
}

.init-status[data-state="pending"] {
    color: #92400e;
}

.init-status[data-state="error"] {
    color: #b91c1c;
}

.action-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}