/* PDF Signature Verifier Tool */
.tool-page__content { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-6); align-items: start; }
.tool-right-col { display: flex; flex-direction: column; gap: var(--space-5); position: sticky; top: var(--space-4); }

/* Ads */
.psv-ad { margin: var(--space-4) 0; text-align: center; overflow: hidden; }
.psv-ad__wrap { display: inline-block; max-width: 100%; overflow: hidden; }
.psv-ad--728 { display: block; } .psv-ad--300 { display: none; }
@media (max-width: 768px) { .psv-ad--728 { display: none; } .psv-ad--300 { display: block; } }
.psv-ad iframe { max-width: 100% !important; }
.psv-ad--sidebar, .psv-ad--result { text-align: center; }

/* Preview */
.psv-preview-pad { padding: 24px; text-align: center; }
.psv-canvas { max-width: 100%; max-height: 460px; border: 1px solid var(--gray-200); border-radius: var(--radius-md); box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.psv-page-info { margin-top: 8px; font-size: 13px; color: var(--text-secondary); }

/* Status grid */
.psv-status-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.psv-status-item { flex: 1; min-width: 80px; padding: 8px 12px; background: var(--bg-tertiary); border-radius: var(--radius-md); border: 1px solid var(--gray-100); }
.psv-status-label { font-size: 10px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.psv-status-value { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* Verdict badge */
.psv-verdict-badge { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--radius-lg); font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.psv-verdict-badge.hidden { display: none; }
.psv-verdict-badge--valid { background: linear-gradient(135deg, rgba(34,197,94,0.10), rgba(34,197,94,0.04)); border: 1px solid rgba(34,197,94,0.25); color: #16a34a; }
.psv-verdict-badge--warning { background: linear-gradient(135deg, rgba(245,158,11,0.10), rgba(245,158,11,0.04)); border: 1px solid rgba(245,158,11,0.25); color: #d97706; }
.psv-verdict-badge--invalid { background: linear-gradient(135deg, rgba(239,68,68,0.10), rgba(239,68,68,0.04)); border: 1px solid rgba(239,68,68,0.25); color: #dc2626; }
.psv-verdict-badge--none { background: var(--bg-tertiary); border: 1px solid var(--gray-200); color: var(--text-secondary); }
.psv-verdict-badge__icon { width: 22px; height: 22px; border-radius: 50%; background: currentColor; color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }

/* Password */
.psv-password-wrap { position: relative; }
.psv-password-input { width: 100%; padding-right: 44px; font-family: monospace; letter-spacing: 2px; box-sizing: border-box; }
.psv-password-toggle { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; padding: 4px; color: var(--text-tertiary); display: flex; align-items: center; }
.psv-password-toggle:hover { color: var(--text-primary); }
.psv-pw-hint { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

/* Signature details */
.psv-details { margin-top: 6px; display: flex; flex-direction: column; gap: 10px; }
.psv-details.hidden { display: none; }
.psv-det { padding: 12px; background: var(--bg-tertiary); border: 1px solid var(--gray-100); border-radius: var(--radius-md); }
.psv-det-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.psv-det-dot { width: 18px; height: 18px; border-radius: 50%; color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; }
.psv-det-row { display: flex; gap: 8px; font-size: 12px; padding: 2px 0; }
.psv-det-k { color: var(--text-tertiary); width: 78px; flex: 0 0 78px; }
.psv-det-v { color: var(--text-primary); word-break: break-word; }
.psv-det-empty { font-size: 13px; color: var(--text-secondary); padding: 6px 2px; }

/* Overlay */
.psv-overlay { position: absolute; inset: 0; background: rgba(15,23,42,0.8); backdrop-filter: blur(4px); display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: var(--radius-lg); z-index: 10; gap: 12px; }
.psv-overlay.hidden { display: none; }
.psv-overlay__text { color: #fff; font-size: var(--text-sm); font-weight: 500; }
.psv-spinner { width: 44px; height: 44px; border: 4px solid rgba(255,255,255,0.25); border-top-color: #fff; border-radius: 50%; animation: psv-spin 0.8s linear infinite; }
@keyframes psv-spin { to { transform: rotate(360deg); } }

/* Verified-copy note */
.psv-verified-note { display: flex; align-items: flex-start; gap: 8px; padding: 10px 14px; background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); border-radius: var(--radius-md); font-size: 12px; color: #9a6b00; line-height: 1.5; margin-bottom: var(--space-4); }
.psv-verified-note svg { flex-shrink: 0; margin-top: 1px; }
.psv-open-hint { font-size: 12px; color: var(--text-secondary); text-align: center; margin: 8px 0 var(--space-4); line-height: 1.5; }
.psv-input-error { border-color: var(--error, #ef4444) !important; animation: psv-shake 0.3s; }
@keyframes psv-shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-4px)} 75%{transform:translateX(4px)} }

/* Shared tc- classes (same as other tools) */
.tc-breadcrumb { font-size: var(--text-xs); color: var(--text-tertiary); margin-bottom: var(--space-4); }
.tc-breadcrumb a { color: var(--text-tertiary); text-decoration: none; } .tc-breadcrumb a:hover { color: var(--primary-600); }
.tc-breadcrumb span { margin: 0 var(--space-1); } .tc-breadcrumb span:last-child { color: var(--text-primary); font-weight: 500; }
.tc-header { display: flex; align-items: flex-start; gap: var(--space-4); margin-bottom: var(--space-6); }
.tc-header__icon { flex-shrink: 0; margin-top: 2px; color: var(--primary-600); }
.tc-header__title { font-size: var(--text-2xl); font-weight: 700; margin: 0 0 var(--space-1); }
.tc-header__desc { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; line-height: 1.5; }
.tc-actions { padding: 12px; display: flex; gap: 8px; background: var(--bg-secondary); border-top: 1px solid var(--gray-100); }
.tc-actions .btn { flex: 1; font-size: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.tc-actions .btn svg { flex-shrink: 0; }
.tc-note { margin-top: var(--space-4); padding: 10px 14px; background: var(--bg-tertiary); border-radius: var(--radius-md); font-size: 12px; color: var(--text-tertiary); line-height: 1.5; display: flex; align-items: flex-start; gap: 8px; }
.tc-note svg { flex-shrink: 0; margin-top: 1px; }
.tc-result { max-width: 480px; margin: 0 auto; padding: var(--space-6); }
.tc-result__header { text-align: center; margin-bottom: var(--space-5); }
.tc-result__icon { margin-bottom: var(--space-2); }
.tc-result__title { font-size: var(--text-xl); font-weight: 700; margin: 0 0 var(--space-2); }
.tc-result__meta { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; }
.tc-result__actions { display: flex; gap: 10px; margin: var(--space-4) 0; }
.tc-result__actions .btn { flex: 1; text-align: center; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.tc-result__actions .btn svg { flex-shrink: 0; }
.tc-related { padding-top: var(--space-4); border-top: 1px solid var(--gray-100); }
.tc-related__title { font-size: 11px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: var(--space-3); }
.tc-related__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tc-related__grid a { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 10px; background: var(--bg-tertiary); border-radius: var(--radius-md); font-size: 13px; font-weight: 500; color: var(--text-secondary); text-decoration: none; border: 1px solid transparent; }
.tc-related__grid a svg { flex-shrink: 0; }
.tc-related__grid a:hover { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-200); }
.drop-zone__input { display: none; }
.psv-trust-row { margin-top: 8px; padding: 8px 10px; border: 1px solid #f0d8a8; background: #fffaf0; border-radius: 6px; }
.psv-trust-warn { font-size: 12px; color: #92591a; margin-bottom: 6px; line-height: 1.4; }
.psv-trust-btn { font-size: 13px; padding: 6px 12px; border: 1px solid #d97706; background: #fff; color: #b45309; border-radius: 6px; cursor: pointer; }
.psv-trust-btn:hover { background: #fff3e0; }

.psv-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 9999; padding: 16px; }
.psv-modal-overlay.hidden { display: none; }
.psv-modal { background: #fff; border-radius: 12px; max-width: 420px; width: 100%; padding: 24px; box-shadow: 0 12px 40px rgba(0,0,0,.25); text-align: center; }
.psv-modal-icon { width: 48px; height: 48px; border-radius: 50%; background: #fef3c7; color: #d97706; font-size: 28px; font-weight: bold; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; }
.psv-modal-title { font-size: 18px; font-weight: 600; color: #92400e; margin-bottom: 10px; }
.psv-modal-body { font-size: 14px; color: #444; line-height: 1.5; margin-bottom: 20px; text-align: left; }
.psv-modal-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.psv-modal-btn { padding: 10px 16px; border-radius: 8px; font-size: 14px; cursor: pointer; border: 1px solid transparent; }
.psv-modal-btn--ghost { background: #fff; border-color: #d1d5db; color: #444; }
.psv-modal-btn--primary { background: #d97706; color: #fff; }
.psv-modal-btn--primary:hover { background: #b45309; }
@media (max-width: 768px) {
    .tool-page__content { grid-template-columns: 1fr; }
    .tool-right-col { position: static; }
    .tc-header { gap: var(--space-3); } .tc-header__title { font-size: var(--text-xl); }
    .tc-result { padding: var(--space-4); }
    .tc-related__grid { grid-template-columns: 1fr; }
    .psv-det-k { width: 70px; flex-basis: 70px; }
}
.psv-result-btns { display: flex; gap: 10px; margin-bottom: 4px; }
.psv-result-btns .btn { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.psv-result-btns .btn svg { flex-shrink: 0; }
@media (max-width: 520px) { .psv-result-btns { flex-direction: column; } }