/**
 * Styles for Device Info Panel and QR Code Modal components
 */

/* ==========================================================================
   QR Code Modal
   ========================================================================== */

.qr-code-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.qr-code-modal[hidden] {
    display: none;
}

.qr-code-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.qr-code-modal__content {
    position: relative;
    background: var(--surface, #ffffff);
    border-radius: 16px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.qr-code-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 0;
}

.qr-code-modal__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text, #0b1220);
    margin: 0;
}

.qr-code-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted, #4b5563);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.qr-code-modal__close:hover {
    background: var(--bg-elev-1, #f6f8fa);
    color: var(--text, #0b1220);
}

.qr-code-modal__body {
    padding: 24px;
}

.qr-code-modal__qr-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid var(--border, #d0d7de);
}

.qr-code-modal__qr-container svg {
    display: block;
    max-width: 100%;
    height: auto;
}

.qr-code-modal__loading {
    text-align: center;
    color: var(--text-muted, #4b5563);
    padding: 40px;
}

.qr-code-modal__error {
    text-align: center;
    color: var(--danger-text, #b91c1c);
    padding: 24px;
}

.qr-code-modal__error-detail {
    font-size: 0.875rem;
    margin-top: 8px;
}

.qr-code-modal__instructions {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted, #4b5563);
    margin-bottom: 16px;
}

.qr-code-modal__url-container {
    display: flex;
    gap: 8px;
}

.qr-code-modal__url-input {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
    font-size: 0.8125rem;
    font-family: monospace;
    border-radius: 8px;
    border: 1px solid var(--border, #d0d7de);
    background: var(--bg-elev-1, #f6f8fa);
    color: var(--text-muted, #4b5563);
}

.qr-code-modal__copy-btn {
    flex-shrink: 0;
}

/* Prevent body scroll when modal is open */
body.qr-modal-open {
    overflow: hidden;
}

/* ==========================================================================
   QR Code Button
   ========================================================================== */

.btn-qr {
    --btn-bg: var(--color-surface-muted, #f6f8fa);
    --btn-fg: var(--color-text-secondary, #4b5563);
    --btn-border: var(--color-border, #d0d7de);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    min-height: 2.5rem;
    box-shadow: none;
}

.btn-qr:hover:not(:disabled) {
    --btn-bg: var(--color-surface-soft, #eef2f6);
    --btn-fg: var(--color-text-primary, #0b1220);
}

.btn-qr svg {
    flex-shrink: 0;
}

.btn-qr__label {
    font-size: 0.875rem;
}

/* Hide label on smaller screens in sidebar */
@media (max-width: 1200px) {
    .sidebar-actions .btn-qr__label {
        display: none;
    }

    .sidebar-actions .btn-qr {
        padding: 0.65rem;
    }
}

/* ==========================================================================
   Device Info Panel
   ========================================================================== */

.device-info-container {
    margin-top: 24px;
}

.device-info-panel {
    background: var(--surface, #ffffff);
    border: 1px solid var(--border, #d0d7de);
    border-radius: 12px;
    overflow: hidden;
}

.device-info-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-elev-1, #f6f8fa);
    border-bottom: 1px solid var(--border, #d0d7de);
}

.device-info-panel__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text, #0b1220);
    margin: 0;
}

.device-info-panel__icon {
    flex-shrink: 0;
    color: var(--text-muted, #4b5563);
}

.device-info-panel__status {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted, #4b5563);
    padding: 4px 10px;
    background: var(--bg-elev-2, #eef2f6);
    border-radius: 100px;
}

.device-info-panel__status--reading {
    color: var(--accent, #2ea6ff);
    background: color-mix(in srgb, var(--accent, #2ea6ff) 12%, var(--bg-elev-1, #f6f8fa));
}

.device-info-panel__status--connected {
    color: var(--success, #2ecc71);
    background: color-mix(in srgb, var(--success, #2ecc71) 15%, var(--bg-elev-1, #f6f8fa));
}

.device-info-panel__status--detected {
    color: var(--brand-green-contrast, #008631);
    background: var(--brand-green-tint, #e8f5e9);
}

.device-info-panel__status--partial {
    color: var(--warning-text, #b45309);
    background: var(--warning-surface, #fff7ed);
}

.device-info-panel__status--error {
    color: var(--danger-text, #b91c1c);
    background: var(--danger-surface, #fef2f2);
}

.device-info-panel__body {
    padding: 20px;
}

/* Placeholder state */
.device-info-panel__placeholder {
    text-align: center;
    padding: 8px 0;
}

.device-info-panel__placeholder p {
    color: var(--text-muted, #4b5563);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.device-info-panel__read-btn {
    margin: 0 auto;
}

.device-info-panel__read-btn svg {
    flex-shrink: 0;
}

/* Loading state */
.device-info-panel__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
}

.device-info-panel__loading p {
    color: var(--text-muted, #4b5563);
    font-size: 0.875rem;
    margin: 0;
}

.device-info-panel__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border, #d0d7de);
    border-top-color: var(--accent, #2ea6ff);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Content state */
.device-info-panel__content[hidden] {
    display: none;
}

.device-info-panel__details {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px 16px;
    margin: 0;
}

.device-info-panel__detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.device-info-panel__detail dt {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted, #4b5563);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.device-info-panel__detail dd {
    font-size: 0.9375rem;
    color: var(--text, #0b1220);
    margin: 0;
}

.device-info-panel__detail code {
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    font-size: 0.8125rem;
    background: var(--bg-elev-2, #eef2f6);
    padding: 2px 6px;
    border-radius: 4px;
}

.device-info-panel__detail--firmware dd {
    color: var(--brand-green-contrast, #008631);
    font-weight: 500;
}

.device-info-panel__detail--info dd {
    color: var(--text-muted, #4b5563);
    font-style: italic;
}

.device-info-panel__no-data {
    text-align: center;
    color: var(--text-muted, #4b5563);
    font-size: 0.875rem;
    padding: 8px 0;
}

/* Warning */
.device-info-panel__warning {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--warning-surface, #fff7ed);
    border: 1px solid var(--warning-border, #fed7aa);
    border-radius: 8px;
    color: var(--warning-text, #b45309);
    font-size: 0.875rem;
}

.device-info-panel__warning svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.device-info-panel__warning[hidden] {
    display: none;
}

/* Actions */
.device-info-panel__actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border, #d0d7de);
    display: flex;
    justify-content: flex-start;
}

.device-info-panel__actions button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Error state */
.device-info-panel__error {
    text-align: center;
    padding: 8px 0;
}

.device-info-panel__error[hidden] {
    display: none;
}

.device-info-panel__error-message {
    color: var(--danger-text, #b91c1c);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

/* Unsupported state */
.device-info-panel__unsupported {
    text-align: center;
    padding: 8px 0;
}

.device-info-panel__unsupported p {
    color: var(--text-muted, #4b5563);
    font-size: 0.875rem;
}

/* Tertiary button style for device panel */
.btn-tertiary {
    --btn-bg: transparent;
    --btn-fg: var(--text-muted, #4b5563);
    --btn-border: transparent;
    padding: 0.5rem 0.75rem;
    min-height: auto;
    font-size: 0.875rem;
    box-shadow: none;
}

.btn-tertiary:hover:not(:disabled) {
    --btn-bg: var(--bg-elev-1, #f6f8fa);
    --btn-fg: var(--text, #0b1220);
}

/* ==========================================================================
   Responsive adjustments
   ========================================================================== */

@media (max-width: 600px) {
    .qr-code-modal__content {
        max-width: none;
        margin: 0 16px;
    }

    .device-info-panel__details {
        grid-template-columns: 1fr;
    }

    .device-info-panel__header {
        flex-wrap: wrap;
    }
}

/* ==========================================================================
   Accessibility: Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .device-info-panel__spinner {
        animation: none;
    }

    .qr-code-modal__backdrop {
        backdrop-filter: none;
    }
}