/* ================================================================
   BRE Signature Pad – Standalone Stylesheet
   Kein Konflikt mit bre-dashboard.css (eigene Klassen: bre-sigpad-)
   ================================================================ */

/* ------------------------------------------------------------------
   Overlay
   ------------------------------------------------------------------ */
.bre-sigpad-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999990;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

/* Kein Scroll auf Body wenn Modal offen */
body.bre-sigpad-open {
    overflow: hidden;
}

/* ------------------------------------------------------------------
   Modal-Box
   ------------------------------------------------------------------ */
.bre-sigpad-modal {
    background: #ffffff;
    border-radius: 20px;
    box-shadow:
        0 24px 48px rgba(15, 23, 42, 0.18),
        0 8px 16px  rgba(15, 23, 42, 0.10);
    width: 100%;
    max-width: 640px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: bre-sigpad-slide-up 0.22s ease;
}

@keyframes bre-sigpad-slide-up {
    from { transform: translateY(24px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

/* ------------------------------------------------------------------
   Header
   ------------------------------------------------------------------ */
.bre-sigpad-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 22px 16px;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
}

.bre-sigpad-icon {
    font-size: 22px;
    line-height: 1;
    flex-shrink: 0;
}

.bre-sigpad-title {
    flex: 1;
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.bre-sigpad-close {
    width: 34px;
    height: 34px;
    background: #e2e8f0;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    color: #64748b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}

.bre-sigpad-close:hover {
    background: #ef4444;
    color: #fff;
}

/* ------------------------------------------------------------------
   Body
   ------------------------------------------------------------------ */
.bre-sigpad-body {
    padding: 20px 22px 8px;
}

.bre-sigpad-hint {
    margin: 0 0 12px;
    font-size: 13px;
    color: #64748b;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Canvas-Wrapper */
.bre-sigpad-canvas-wrap {
    position: relative;
    width: 100%;
    height: 220px;
    border: 2px dashed #cbd5e1;
    border-radius: 14px;
    background: #ffffff;
    overflow: hidden;
    cursor: crosshair;
    transition: border-color 0.2s;
}

.bre-sigpad-canvas-wrap:focus-within,
.bre-sigpad-canvas-wrap:active {
    border-color: #3b82f6;
    border-style: solid;
}

.bre-sigpad-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* Placeholder-Text */
.bre-sigpad-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #cbd5e1;
    font-weight: 500;
    pointer-events: none;
    user-select: none;
    font-family: Georgia, "Times New Roman", serif;
    letter-spacing: 0.02em;
}

/* Signatur-Linie (dekorativ) */
.bre-sigpad-canvas-wrap::after {
    content: '';
    position: absolute;
    bottom: 46px;
    left: 24px;
    right: 24px;
    height: 1px;
    background: #e2e8f0;
    pointer-events: none;
}

/* Device-Hinweis */
.bre-sigpad-device-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    font-size: 11.5px;
    color: #94a3b8;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.bre-sigpad-device-hint svg {
    flex-shrink: 0;
    opacity: 0.6;
}

/* ------------------------------------------------------------------
   Vorschau gespeicherter Unterschrift
   ------------------------------------------------------------------ */
.bre-sigpad-preview-wrap {
    padding: 0 22px 8px;
}

.bre-sigpad-preview-img {
    display: block;
    max-width: 100%;
    max-height: 140px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    padding: 8px 16px;
    margin-top: 8px;
}

/* ------------------------------------------------------------------
   Fehler-Meldung
   ------------------------------------------------------------------ */
.bre-sigpad-error {
    margin: 0 22px 4px;
    padding: 10px 14px;
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    border-radius: 10px;
    font-size: 13px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ------------------------------------------------------------------
   Footer / Buttons
   ------------------------------------------------------------------ */
.bre-sigpad-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 22px 20px;
    border-top: 1px solid #f1f5f9;
}

.bre-sigpad-btn {
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.15s, transform 0.1s, opacity 0.15s;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    white-space: nowrap;
}

.bre-sigpad-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* Ghost (Rückgängig) */
.bre-sigpad-btn-ghost {
    background: transparent;
    color: #64748b;
    border: 1px solid #e2e8f0;
    margin-right: auto;
}

.bre-sigpad-btn-ghost:hover:not(:disabled) {
    background: #f1f5f9;
    color: #0f172a;
}

/* Secondary (Löschen) */
.bre-sigpad-btn-secondary {
    background: #f1f5f9;
    color: #ef4444;
}

.bre-sigpad-btn-secondary:hover:not(:disabled) {
    background: #fee2e2;
    transform: scale(0.97);
}

/* Primary (Speichern) */
.bre-sigpad-btn-primary {
    background: #1e40af;
    color: #ffffff;
}

.bre-sigpad-btn-primary:hover:not(:disabled) {
    background: #1d4ed8;
    transform: scale(0.98);
}

.bre-sigpad-btn-primary:active:not(:disabled) {
    transform: scale(0.95);
}

/* ------------------------------------------------------------------
   Responsive – Smartphone
   ------------------------------------------------------------------ */
@media (max-width: 480px) {
    .bre-sigpad-modal {
        border-radius: 16px 16px 0 0;
        max-width: 100%;
    }

    .bre-sigpad-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .bre-sigpad-canvas-wrap {
        height: 180px;
    }

    .bre-sigpad-footer {
        flex-wrap: wrap;
    }

    .bre-sigpad-btn-ghost {
        margin-right: 0;
        order: 3;
        width: 100%;
        text-align: center;
    }
}