/* ================================================================
   Tool Editor Layout — reusable for all dual-editor tool pages
   ================================================================ */

/* ---- Page wrapper ---- */
.tool-editor-page {
    display: flex;
    flex-direction: column;
    height: calc(100dvh - 5.5rem); /* viewport minus sticky header + main padding */
    min-height: 28rem;
    gap: 0;
}

/* ---- Compact options strip above editors ---- */
.tool-options-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    padding: 0.375rem 0.125rem 0.75rem;
}

.tool-options-strip .form-check {
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-options-strip .form-check-label {
    color: var(--color-fg);
    font-size: 0.94rem;
}

/* ---- Horizontal editor row ---- */
.tool-editor-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    gap: 0.875rem;
    align-items: stretch;
}

/* ---- Individual editor panel (card) ---- */
.tool-editor-panel {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}

/* ---- Panel header bar ---- */
.tool-editor-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.875rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-elevated);
    flex-shrink: 0;
    gap: 0.5rem;
}

.tool-editor-panel__title {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--color-fg-muted);
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-editor-panel__actions {
    display: flex;
    align-items: center;
    gap: 0.1rem;
    flex-shrink: 0;
}

/* ---- Icon action buttons in panel header ---- */
.tool-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.875rem;
    height: 1.875rem;
    border-radius: 0.4rem;
    color: var(--color-fg-muted);
    cursor: pointer;
    transition: background 120ms ease, color 120ms ease;
    font-size: 0.95rem;
    flex-shrink: 0;
    text-decoration: none;
}

.tool-icon-btn:hover,
.tool-icon-btn:focus-visible {
    background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface-elevated));
    color: var(--color-accent);
    outline: none;
}

/* ---- Panel body (Ace editor lives here) ---- */
.tool-editor-panel__body {
    flex: 1;
    min-height: 0;
    position: relative;
}

/* Fills the panel body — applied to the Ace editor container div */
.ace-editor-fill {
    position: absolute;
    inset: 0;
    height: 100% !important;
    width: 100% !important;
}

/* ---- Centre actions column (between the two editors) ---- */
.tool-actions-bar {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.5rem 0;
    min-width: 9.5rem;
    max-width: 10.5rem;
}

.tool-actions-bar .progress {
    align-self: center;
    margin-bottom: 0.25rem;
}

.base64-loader-host {
    min-height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.base64-loader-host .progress {
    margin: 0 !important;
}

.tool-action-btn {
    width: 100%;
}

.tool-actions-bar--wide {
    min-width: 14rem;
    max-width: 15rem;
}

.tool-preview-content {
    height: 100%;
    overflow: auto;
    padding: 0.75rem;
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .tool-editor-page {
        height: auto;
        min-height: 0;
    }

    .tool-options-strip {
        padding-bottom: 0.5rem;
    }

    .tool-editor-layout {
        flex-direction: column;
    }

    .tool-editor-panel {
        height: 52svh;
        min-height: 21rem;
    }

    .tool-actions-bar {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        min-width: 0;
        max-width: none;
        width: 100%;
        padding: 0.25rem 0;
    }

    .tool-action-btn {
        width: auto;
    }

    .tool-actions-bar--wide {
        min-width: 0;
        max-width: none;
    }

    .tool-actions-bar .progress {
        display: none; /* hidden on mobile; shown via JS anyway */
    }
}

/* ---- Shared load-from-url modal ---- */
.tool-url-modal .modal-content {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--color-accent) 12%, transparent), transparent 28%),
        var(--color-surface);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tool-url-modal .modal-header,
.tool-url-modal .modal-footer {
    border-color: var(--color-border);
    background: var(--color-surface-elevated);
}

.tool-url-modal .modal-header {
    padding: 1rem 1.25rem;
}

.tool-url-modal .modal-body {
    padding: 1.25rem;
}

.tool-url-modal .modal-footer {
    padding: 1rem 1.25rem 1.25rem;
    gap: 0.625rem;
}

.tool-url-modal .modal-title {
    color: var(--color-fg);
    font-weight: 700;
}

.tool-url-modal .modal-body {
    color: var(--color-fg);
}

.tool-url-modal .form-text,
.tool-url-modal .text-muted {
    color: var(--color-fg-muted) !important;
}

.tool-url-modal .alert {
    border-radius: var(--radius-md);
    border-color: color-mix(in srgb, var(--color-info) 35%, var(--color-border));
    background: color-mix(in srgb, var(--color-info) 9%, var(--color-surface));
    color: var(--color-fg);
}

.tool-url-modal .btn-secondary {
    --bs-btn-bg: var(--color-surface-elevated);
    --bs-btn-border-color: var(--color-border);
    --bs-btn-color: var(--color-fg);
    --bs-btn-hover-bg: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface-elevated));
    --bs-btn-hover-border-color: var(--color-accent);
    --bs-btn-hover-color: var(--color-fg);
    --bs-btn-active-bg: color-mix(in srgb, var(--color-accent) 14%, var(--color-surface-elevated));
    --bs-btn-active-border-color: var(--color-accent);
    --bs-btn-active-color: var(--color-fg);
}

.tool-url-modal .btn-primary {
    --bs-btn-bg: var(--color-accent);
    --bs-btn-border-color: var(--color-accent);
    --bs-btn-hover-bg: color-mix(in srgb, var(--color-accent) 88%, black);
    --bs-btn-hover-border-color: color-mix(in srgb, var(--color-accent) 88%, black);
    --bs-btn-active-bg: color-mix(in srgb, var(--color-accent) 78%, black);
    --bs-btn-active-border-color: color-mix(in srgb, var(--color-accent) 78%, black);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
}

.tool-url-modal .form-control {
    background-color: var(--color-surface);
}

.tool-url-modal .form-control:focus {
    background-color: var(--color-surface);
}

/* ---- Shared surface/form helpers for utility pages ---- */
.tool-page-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tool-surface-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    color: var(--color-fg);
}

.tool-surface-card__header {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-elevated);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tool-surface-card__body {
    padding: 1rem;
}

.tool-subtle-panel {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--color-accent) 4%, var(--color-surface));
    padding: 0.75rem;
}

.tool-input-like {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-fg);
}

.tool-input-like:focus {
    border-color: var(--color-ring);
    box-shadow: var(--shadow-ring);
}

.tool-input-like[readonly] {
    background-color: color-mix(in srgb, var(--color-surface-elevated) 70%, var(--color-surface));
    color: var(--color-fg);
    opacity: 1;
}

.tool-upload-zone {
    border: 2px dashed color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--color-accent) 5%, var(--color-surface));
    color: var(--color-fg);
    padding: 1.5rem;
    text-align: center;
}

.tool-upload-zone:hover {
    border-color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent) 9%, var(--color-surface));
}

.tool-monospace-output {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.875rem;
}

.tool-response-pre {
    margin: 0;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--color-surface-elevated) 80%, var(--color-surface));
    color: var(--color-fg);
    max-height: 18rem;
    overflow: auto;
}

.tool-tabs.nav-tabs {
    border-bottom-color: var(--color-border);
}

.tool-tabs.nav-tabs .nav-link {
    color: var(--color-fg-muted);
    border-color: transparent;
}

.tool-tabs.nav-tabs .nav-link:hover {
    color: var(--color-fg);
    border-color: var(--color-border);
}

.tool-tabs.nav-tabs .nav-link.active {
    color: var(--color-fg);
    background: var(--color-surface-elevated);
    border-color: var(--color-border) var(--color-border) var(--color-surface-elevated);
}

.tool-table {
    color: var(--color-fg);
    --bs-table-bg: transparent;
    --bs-table-color: var(--color-fg);
    --bs-table-border-color: var(--color-border);
}

.tool-page-center {
    max-width: 960px;
    margin: 0 auto;
}

.tool-inline-editor {
    height: 20rem;
}

.tool-inline-editor--lg {
    height: 55vh;
    min-height: 20rem;
}

.tool-inline-editor--md {
    height: 16rem;
}

.tool-inline-editor--sm {
    height: 12rem;
}

.url-actions-row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.url-actions-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 0;
    margin: 0.25rem 0.5rem;
}

.url-actions-checkbox .form-check-input {
    margin-top: 0;
    margin-left: 0;
}

.url-actions-checkbox .form-check-label {
    margin-bottom: 0;
}

.text-compare-button-row {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

@media (max-width: 991.98px) {
    .text-compare-editor-layout .text-compare-actions-bar {
        order: 3;
        margin-top: 0.25rem;
    }

    .text-compare-button-row {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: center;
        width: 100%;
        gap: 0.5rem;
    }

    .text-compare-button-row .tool-action-btn {
        white-space: nowrap;
    }

    .url-actions-row {
        width: 100%;
    }

    .url-actions-checkbox {
        flex-wrap: wrap;
        justify-content: center;
    }

    .url-actions-checkbox .form-check-label {
        white-space: normal;
        text-align: center;
    }
}

.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* ---- JWT special layout ---- */
.jwt-editor-page {
    height: calc(100dvh - 7rem);
}

.jwt-left-col,
.jwt-right-col {
    height: 100%;
}

.jwt-left-panel {
    height: 100%;
    min-height: 30rem;
}

.jwt-right-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    height: 100%;
    min-height: 0;
}

.jwt-panel-sm,
.jwt-panel-md {
    min-height: 0;
}

.jwt-panel-sm {
    flex: 1 1 0;
}

.jwt-panel-md {
    flex: 1.4 1 0;
}

@media (max-width: 991.98px) {
    .jwt-editor-page {
        height: auto;
    }

    .jwt-left-col,
    .jwt-right-col {
        height: auto;
    }

    .jwt-left-panel {
        height: 52svh;
        min-height: 21rem;
    }

    .jwt-right-stack {
        height: auto;
    }

    .jwt-panel-sm,
    .jwt-panel-md {
        height: 38svh;
        min-height: 14rem;
    }
}