/* ============================================================
   PDF to Text Tool — pdf-to-text.css
   Prefix: ptt-
   Accent: #8B5CF6  (violet)
   Accent RGB: 139, 92, 246
   ============================================================ */

/* ── Accent override for tool-base shared classes ─────────── */
.ptt-section {
    --tool-accent: #8B5CF6;
    --tool-accent-rgb: 139, 92, 246;
    padding: 40px 0 80px;
}

/* ── Upload Zone ───────────────────────────────────────────── */
.ptt-upload-zone {
    display: block;
    /* label is inline by default — must be block for full-width layout */
    border: 2px dashed rgba(139, 92, 246, 0.32);
    border-radius: 16px;
    background: rgba(139, 92, 246, 0.03);
    padding: 56px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    outline: none;
}

.ptt-upload-zone:hover,
.ptt-upload-zone:focus-visible {
    border-color: rgba(139, 92, 246, 0.6);
    background: rgba(139, 92, 246, 0.07);
}

.ptt-upload-zone.ptt-drag-over {
    border-color: #8B5CF6;
    background: rgba(139, 92, 246, 0.1);
}

.ptt-upload-icon {
    font-size: 3rem;
    color: #8B5CF6;
    opacity: 0.65;
    margin-bottom: 14px;
    display: block;
}

.ptt-upload-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.ptt-upload-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 10px;
}

.ptt-upload-formats {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

/* ── Workspace ─────────────────────────────────────────────── */
.ptt-workspace {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Info bar ──────────────────────────────────────────────── */
.ptt-info-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-secondary, #F8FAFC);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 12px;
    flex-wrap: wrap;
}

.ptt-info-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
    flex-wrap: wrap;
}

.ptt-info-icon {
    font-size: 1.125rem;
    color: #8B5CF6;
    flex-shrink: 0;
}

.ptt-doc-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

.ptt-stats {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.ptt-stat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #E2E8F0);
    padding: 3px 8px;
    border-radius: 6px;
    white-space: nowrap;
}

.ptt-stat i {
    font-size: 0.75rem;
}

/* ── New PDF button (label acting as button) ───────────────── */
/* ── Loading ───────────────────────────────────────────────── */
.ptt-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 56px 24px;
    text-align: center;
}

.ptt-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(139, 92, 246, 0.2);
    border-top-color: #8B5CF6;
    border-radius: 50%;
    animation: ptt-spin 0.8s linear infinite;
}

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

.ptt-loading p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ── No text warning ───────────────────────────────────────── */
.ptt-no-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 48px 24px;
    text-align: center;
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 12px;
    background: rgba(245, 158, 11, 0.05);
}

.ptt-no-text-icon {
    font-size: 2.5rem;
    color: #F59E0B;
}

.ptt-no-text-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.ptt-no-text-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
    max-width: 420px;
    line-height: 1.6;
}

.ptt-ocr-link {
    color: #8B5CF6;
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ── Main content area ─────────────────────────────────────── */
.ptt-main {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Action bar ────────────────────────────────────────────── */
.ptt-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-secondary, #F8FAFC);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 12px;
    flex-wrap: wrap;
}

/* ── Search wrap ───────────────────────────────────────────── */
.ptt-search-wrap {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 8px;
    padding: 4px 4px 4px 10px;
    flex: 1;
    min-width: 160px;
    max-width: 340px;
    transition: border-color 0.15s;
}

.ptt-search-wrap:focus-within {
    border-color: #8B5CF6;
}

.ptt-search-icon {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.ptt-search {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.875rem;
    color: var(--text-primary);
    min-width: 0;
}

.ptt-search::placeholder {
    color: var(--text-tertiary);
}

.ptt-match-count {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    padding: 0 4px;
    flex-shrink: 0;
}

.ptt-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}

.ptt-icon-btn:hover {
    background: rgba(139, 92, 246, 0.08);
    color: #8B5CF6;
}

.ptt-icon-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

/* ── Action buttons ────────────────────────────────────────── */
.ptt-action-btns {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Preserve Lines toggle active state */
#ptt-btn-preserve[aria-pressed="true"] {
    border-color: #8B5CF6;
    color: #8B5CF6;
    background: rgba(139, 92, 246, 0.08);
}

/* Success modifier — applied by JS on copy feedback */
.ptt-btn--success {
    background: #10B981 !important;
    border-color: #10B981 !important;
    color: #fff !important;
}

/* ── Page navigation bar ───────────────────────────────────── */
.ptt-page-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.ptt-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color, #E2E8F0);
    background: var(--bg-secondary, #F8FAFC);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: border-color 0.15s, color 0.15s;
    flex-shrink: 0;
}

.ptt-nav-btn:hover:not(:disabled) {
    border-color: #8B5CF6;
    color: #8B5CF6;
}

.ptt-nav-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.ptt-page-select {
    height: 32px;
    padding: 0 10px;
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 8px;
    background: var(--bg-secondary, #F8FAFC);
    color: var(--text-primary);
    font-size: 0.8125rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.15s;
}

.ptt-page-select:focus {
    border-color: #8B5CF6;
}

.ptt-nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color, #E2E8F0);
    margin: 0 4px;
}

.ptt-nav-toggle {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    height: 32px;
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 8px;
    background: var(--bg-secondary, #F8FAFC);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.ptt-nav-toggle:hover,
.ptt-nav-toggle[aria-pressed="true"] {
    border-color: #8B5CF6;
    color: #8B5CF6;
    background: rgba(139, 92, 246, 0.06);
}

/* ── Status message ────────────────────────────────────────── */
.ptt-status {
    font-size: 0.875rem;
    padding: 8px 14px;
    border-radius: 8px;
    margin: 0;
}

.ptt-status--success {
    background: rgba(16, 185, 129, 0.08);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.ptt-status--error {
    background: rgba(239, 68, 68, 0.08);
    color: #DC2626;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ── Text panel ────────────────────────────────────────────── */
.ptt-text-panel {
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 12px;
    background: var(--bg-primary, #fff);
    overflow: hidden;
    max-height: 560px;
    overflow-y: auto;
}

/* ── Page section ──────────────────────────────────────────── */
.ptt-page {
    border-bottom: 1px solid var(--border-color, #E2E8F0);
}

.ptt-page:last-child {
    border-bottom: none;
}

.ptt-page[hidden] {
    display: none;
}

.ptt-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 18px;
    background: var(--bg-secondary, #F8FAFC);
    border-bottom: 1px solid var(--border-color, #E2E8F0);
    position: sticky;
    top: 0;
    z-index: 1;
}

.ptt-page-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ptt-page-label {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.ptt-page-stats {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.ptt-copy-page-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 14px;
    border: 1px solid rgba(100, 116, 139, 0.25);
    border-radius: 8px;
    background: #FFFFFF;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.ptt-copy-page-btn i {
    font-size: 0.875rem;
    flex-shrink: 0;
}

.ptt-copy-page-btn:hover {
    background: #F8FAFC;
    border-color: rgba(100, 116, 139, 0.4);
    color: var(--text-primary);
}

.ptt-copy-page-btn--copied {
    border-color: #10B981 !important;
    color: #10B981 !important;
}

.ptt-page-body {
    padding: 18px;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 60px;
}

.ptt-page-body--empty {
    color: var(--text-tertiary);
    font-style: italic;
}

/* ── Search highlights ─────────────────────────────────────── */
.ptt-text-panel mark {
    background: rgba(251, 191, 36, 0.35);
    color: inherit;
    border-radius: 2px;
    padding: 0 1px;
}

.ptt-text-panel mark.ptt-mark-active {
    background: rgba(251, 191, 36, 0.85);
    outline: 1px solid rgba(245, 158, 11, 0.9);
    border-radius: 2px;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 767px) {
    .ptt-doc-name {
        max-width: 130px;
    }

    .ptt-stats {
        display: none;
    }

    .ptt-action-bar {
        gap: 8px;
    }

    .ptt-search-wrap {
        max-width: 100%;
        min-width: 100%;
    }

    .ptt-action-btns {
        width: 100%;
    }

    /* Show icons only on small screens — hide text labels */
    .ptt-action-btns .tool-btn span {
        display: none;
    }

    .ptt-action-btns .tool-btn {
        padding: 7px 10px;
    }

    .ptt-page-nav {
        gap: 4px;
    }

    .ptt-page-body {
        font-size: 0.875rem;
        padding: 14px;
    }
}

@media (max-width: 479px) {
    .ptt-info-bar {
        padding: 8px 12px;
    }

    .ptt-action-bar {
        padding: 10px 12px;
    }

    .ptt-text-panel {
        max-height: 420px;
    }
}