/* Tools shared styles - migrated from frontend */

/* === _sections.css === */
/* Collapsible Section Styles */

.tool-section {
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.tool-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--c2-text);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--c2-transition-fast);
    text-align: left;
    font-family: inherit;
}

.tool-section-header:hover {
    background: rgba(137, 180, 250, 0.03);
}

.section-arrow {
    color: var(--c2-text-dim);
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.section-arrow.open {
    transform: rotate(180deg);
}

.tool-section-body {
    padding: 0 1.25rem 1.25rem;
}

@media (max-width: 768px) {
    .tool-section-header {
        padding: 0.75rem 1rem;
    }

    .tool-section-body {
        padding: 0 0.75rem 0.75rem;
    }
}


/* === _info-grid.css === */
/* Info Grid Styles */

.tool-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.6rem;
}

.tool-info-grid--single-col {
    grid-template-columns: 1fr;
}

.tool-info-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.4rem 0.6rem;
    background: var(--c2-bg-deep);
    border-radius: 4px;
    gap: 0.75rem;
}

.tool-info-label {
    font-size: 0.78rem;
    color: var(--c2-text-dim);
    letter-spacing: 0.05em;
    white-space: nowrap;
    flex-shrink: 0;
}

.tool-info-value {
    font-size: 0.85rem;
    color: var(--c2-text);
    text-align: right;
    word-break: break-all;
}

@media (max-width: 768px) {
    .tool-info-grid {
        grid-template-columns: 1fr;
    }
}


/* === _upload-strip.css === */
/* Upload Strip */

.upload-strip {
    position: relative;
    max-width: 640px;
    margin: 0 auto 1.25rem;
    padding: 0.7rem 1.25rem;
    background: var(--c2-bg-surface);
    border: 1px dashed var(--c2-border);
    border-radius: var(--c2-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--c2-transition-fast);
}

.upload-strip:hover,
.upload-strip.drag-over {
    border-color: var(--c2-accent-blue);
    background: rgba(137, 180, 250, 0.03);
}

.upload-strip-label {
    font-size: 0.82rem;
    color: var(--c2-accent-blue);
    letter-spacing: 0.05em;
}

.upload-strip-sep {
    font-size: 0.75rem;
    color: var(--c2-text-dim);
}

.upload-strip-hint {
    font-size: 0.82rem;
    color: var(--c2-text-dim);
}


/* === _tool-page.css === */
/* Tool Page Layout Styles */

.tool-page {
    min-height: 100vh;
    padding: calc(var(--header-height) + 3rem) 0 4rem;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    color: var(--c2-text);
    margin-bottom: 0.75rem;
}

.tool-header .accent {
    color: var(--c2-accent-blue);
}

.tool-subtitle {
    color: var(--c2-text-muted);
    font-size: 1.1rem;
}

/* Panel-context header — inside floating windows */
.tool-panel > .tool-header {
    margin-bottom: 0;
    padding: 1.25rem 1.25rem 0;
}

.tool-title {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--c2-text);
}

.tool-panel > .tool-header .tool-subtitle {
    font-size: 0.8rem;
    margin: 0;
}

/* Loader utility classes */
.loader-success {
    color: var(--c2-accent-green);
}

.loader-error {
    color: var(--c2-accent-red);
}

.loader-info-table {
    width: 100%;
    font-size: 0.8rem;
    border-collapse: collapse;
}

.loader-info-table tr + tr {
    border-top: 1px solid var(--c2-border);
}

.loader-info-label {
    width: 100px;
    padding: 0.35rem 0.75rem 0.35rem 0;
    font-weight: 600;
    color: var(--c2-text-dim);
    white-space: nowrap;
    vertical-align: top;
}

.loader-info-value {
    padding: 0.35rem 0;
    color: var(--c2-text-muted);
    word-break: break-all;
}

.loader-info-value code {
    font-size: 0.78rem;
    color: var(--c2-accent-blue);
}

.loader-deprecated {
    color: var(--c2-text-muted);
    font-style: italic;
}

.loader-section-nested {
    margin-top: 0.75rem;
}

.loader-source-textarea {
    font-family: var(--c2-font-mono, "JetBrains Mono", monospace);
    font-size: 12px;
    tab-size: 4;
}

.tool-form-wrapper {
    max-width: 640px;
    margin: 0 auto;
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    padding: 2.5rem;
}

@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 1.8rem;
    }

    .tool-form-wrapper {
        padding: 1.5rem;
    }
}


/* === _banners.css === */
/* Banner Styles */

.error-banner {
    background: rgba(255, 60, 60, 0.1);
    border: 1px solid rgba(255, 60, 60, 0.3);
    border-radius: var(--c2-radius-md);
    padding: 0.75rem 1rem;
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.success-banner {
    background: rgba(137, 180, 250, 0.08);
    border: 1px solid rgba(137, 180, 250, 0.25);
    border-radius: var(--c2-radius-md);
    padding: 0.75rem 1rem;
    color: var(--c2-accent-blue);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.warning-banner {
    background: rgba(255, 180, 0, 0.1);
    border: 1px solid rgba(255, 180, 0, 0.3);
    border-radius: var(--c2-radius-md);
    padding: 0.75rem 1rem;
    color: #ffb400;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.loading-banner {
    text-align: center;
    padding: 0.75rem;
    color: var(--c2-accent-blue);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}


/* === _forms.css === */
/* Form Styles */

.form-group {
    margin-bottom: 1.25rem;
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--c2-text-muted);
    margin-bottom: 0.4rem;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--c2-bg-deep);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    color: var(--c2-text);
    font-family: var(--c2-font-mono, "JetBrains Mono", monospace);
    font-size: 0.9rem;
    transition: var(--c2-transition-fast);
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--c2-accent-blue);
    box-shadow: 0 0 0 2px rgba(137, 180, 250, 0.1);
}

.form-input::placeholder {
    color: var(--c2-text-dim);
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239999bb' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

select.form-input option {
    background: var(--c2-bg-deep);
    color: var(--c2-text);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-checkboxes {
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--c2-text-muted);
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--c2-accent-blue);
    cursor: pointer;
}

.upload-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}


/* Legacy .btn classes removed — migrated to C2Btn component */


/* === _powered-by.css === */
/* Powered By Attribution Styles */

.powered-by {
    max-width: 900px;
    margin: 2rem auto 0;
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    padding: 1.5rem 2rem;
}

.powered-by-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.powered-by-label {
    font-size: 0.8rem;
    color: var(--c2-text-dim);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.powered-by-link {
    font-size: 1.1rem;
    color: var(--c2-accent-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--c2-transition-fast);
}

.powered-by-link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 768px) {
    .powered-by {
        padding: 1.25rem 1.5rem;
    }
}


/* === _tool-panel.css === */
/* Base tool panel — scrollable content area inside floating windows */

.tool-panel {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

/* === _loaders.css === */
/* Shared Loader Panel Styles */

.loader-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.25rem;
}

.loader-section {
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    padding: 1rem 1.25rem;
}

.loader-section-title {
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c2-text);
    letter-spacing: 0.03em;
}

.loader-text {
    margin: 0;
    font-size: 0.8rem;
    color: var(--c2-text-muted);
    line-height: 1.6;
}

.loader-hint {
    margin-bottom: 0.5rem;
}

.loader-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.loader-platforms {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.loader-platform {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--c2-text-muted);
    background: var(--c2-bg-deep);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-sm);
    padding: 0.4rem 0.75rem;
}

.loader-command-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--c2-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
    margin-top: 0.5rem;
}

.loader-command-label:first-of-type {
    margin-top: 0;
}

.loader-command {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--c2-bg-deep);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-sm);
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
}

.loader-command:last-of-type {
    margin-bottom: 0;
}

.loader-code {
    flex: 1;
    font-family: var(--c2-font-mono, "JetBrains Mono", monospace);
    font-size: 0.78rem;
    color: var(--c2-accent-blue);
    white-space: nowrap;
    overflow-x: auto;
    user-select: all;
}

/* Legacy .loader-copy-btn/.loader-link-btn removed — migrated to C2Btn IconSquare/Accent */

/* Toggle checkbox */
.loader-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 0.5rem;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--c2-text-muted);
}

.loader-toggle input[type="checkbox"] {
    accent-color: var(--c2-accent-blue);
}

.loader-toggle-label {
    font-weight: 500;
    color: var(--c2-text);
}

/* Textarea */
.loader-textarea {
    display: block;
    width: 100%;
    min-height: 80px;
    padding: 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 0.8rem;
    color: var(--c2-text);
    background: var(--c2-bg-deep);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-sm);
    resize: vertical;
    transition: border-color var(--c2-transition-normal);
    box-sizing: border-box;
}

.loader-textarea:focus {
    outline: none;
    border-color: var(--c2-accent-blue);
}

.loader-textarea::placeholder {
    color: var(--c2-text-dim);
}

/* Preview */
.loader-preview-wrap {
    background: var(--c2-bg-deep);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-sm);
    overflow: auto;
    max-height: 200px;
    margin-bottom: 0.75rem;
}

.loader-preview {
    margin: 0;
    padding: 0.75rem;
    font-family: var(--c2-font-mono, "JetBrains Mono", monospace);
    font-size: 0.72rem;
    color: var(--c2-text-muted);
    line-height: 1.5;
    white-space: pre;
    tab-size: 4;
}

/* Legacy .loader-tabs/.loader-tab removed — migrated to C2Tabs/C2Tab Pill */

.loader-tab-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.loader-input-spacing {
    margin-bottom: 0.5rem;
}

/* Loader utility classes */
.loader-text-xs { font-size: 12px; }
.loader-ml-auto { margin-left: auto; }
.loader-error-compact { font-size: 12px; max-height: 160px; }
.loader-params-box { border: 1px solid var(--c2-border); border-radius: 6px; padding: 10px; margin-bottom: 8px; }
.loader-file-label { cursor: pointer; }
.loader-file-hidden { display: none; }

/* ── Telegram file picker (split-pane modal) ─────────────────────── */

.loader-tg-pick-btn {
    flex-shrink: 0;
    padding: 4px 6px;
}

/* Modal shell */
.tg-modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--c2-overlay-bg);
    z-index: 2000;
}

.tg-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2001;
    width: 820px;
    height: 520px;
    max-width: calc(100vw - 2rem);
    max-height: calc(100vh - 4rem);
    background: var(--c2-bg-base);
    border: 1px solid var(--c2-border-light);
    border-radius: var(--c2-radius-lg);
    box-shadow: var(--c2-elevation-3);
    display: flex;
    flex-direction: column;
    animation: c2-dialog-in 0.15s ease-out;
}

.tg-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--c2-border);
    flex-shrink: 0;
}

.tg-modal-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.85rem;
}

.tg-modal-close {
    background: none;
    border: none;
    color: var(--c2-text-dim);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 0.25rem;
    border-radius: var(--c2-radius-sm);
    line-height: 1;
}

.tg-modal-close:hover {
    color: var(--c2-text);
}

/* Split body */
.tg-modal-body {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* Left pane — bots */
.tg-modal-bots {
    width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--c2-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.tg-modal-bots-header,
.tg-modal-files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--c2-fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--c2-border);
    flex-shrink: 0;
}

.tg-modal-bot {
    display: flex;
    flex-direction: column;
    gap: 1px;
    width: 100%;
    padding: 8px 10px;
    border: none;
    border-bottom: 1px solid var(--c2-border-light);
    background: none;
    color: var(--c2-fg);
    text-align: left;
    cursor: pointer;
    font-size: 12px;
}

.tg-modal-bot:hover {
    background: var(--c2-bg-hover);
}

.tg-modal-bot--active {
    background: var(--c2-bg-hover);
    border-left: 2px solid var(--c2-accent-blue);
}

.tg-modal-bot-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tg-modal-bot-chat {
    font-size: 10px;
    color: var(--c2-fg-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tg-modal-bot-count {
    font-size: 10px;
    color: var(--c2-fg-muted);
}

/* Right pane — files */
.tg-modal-files {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.tg-modal-file-list {
    flex: 1;
    overflow-y: auto;
}

.tg-modal-empty {
    padding: 16px;
    font-size: 12px;
    color: var(--c2-fg-muted);
    text-align: center;
}

/* File items (shared) */
.tg-picker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 10px;
    border: none;
    border-bottom: 1px solid var(--c2-border-light);
    background: none;
    color: var(--c2-fg);
    font-size: 12px;
    text-align: left;
    cursor: pointer;
}

.tg-picker-item:last-child {
    border-bottom: none;
}

.tg-picker-item:hover:not(:disabled) {
    background: var(--c2-bg-hover);
}

.tg-picker-item--active {
    background: var(--c2-accent-blue-bg, rgba(110, 168, 254, 0.12));
}

.tg-picker-item:disabled {
    opacity: 0.5;
    cursor: wait;
}

.tg-picker-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tg-picker-source {
    flex-shrink: 0;
    font-size: 10px;
    color: var(--c2-fg-muted);
    opacity: 0.7;
}

.tg-picker-size {
    flex-shrink: 0;
    font-size: 10px;
    color: var(--c2-fg-muted);
}

.flex-fill {
    flex: 1;
    min-width: 0;
}

/* Telegram compact button — used in section headers */
.tg-btn-compact {
    font-size: 0.72rem;
    padding: 2px 6px;
}

.tg-text-sm {
    font-size: 0.78rem;
}

/* Telegram loading row */
.tg-loading-row {
    padding: 8px 10px;
}

/* Responsive — stack on narrow */
@media (max-width: 640px) {
    .tg-modal { width: calc(100vw - 1rem); height: calc(100vh - 6rem); }
    .tg-modal-bots { width: 140px; }
}