:root {
    --rc-red: #E30613;
    --rc-red-dark: #b50510;
    --rc-gray: #f8f9fa;
}

/* Shell */
.rc-shell { min-height: 100vh; display: flex; flex-direction: column; }
.rc-main { flex: 1; padding: 2rem 0; background: var(--rc-gray); }
.rc-footer { background: #fff; border-top: 1px solid #dee2e6; }

/* Header */
.rc-header {
    background: var(--rc-red);
    padding: 0.75rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.rc-logo { text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.rc-logo-cross { font-size: 1.5rem; color: #fff; }
.rc-logo-text { font-size: 1.25rem; font-weight: 700; color: #fff; letter-spacing: 0.05em; }
.nav-link { color: rgba(255,255,255,0.85) !important; }
.nav-link:hover { color: #fff !important; }

/* Buttons */
.btn-rc-primary { background: #fff; color: var(--rc-red); border-color: #fff; font-weight: 600; }
.btn-rc-primary:hover { background: #f0f0f0; color: var(--rc-red-dark); }

/* Wizard */
.wizard-container { max-width: 760px; margin: 0 auto; }

.wizard-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}
.wizard-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: #dee2e6;
    z-index: 0;
}
.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    z-index: 1;
    flex: 1;
}
.wizard-step-icon {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 2px solid #dee2e6;
    background: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    color: #adb5bd;
    font-size: 0.9rem;
}
.wizard-step.active .wizard-step-icon {
    border-color: var(--rc-red);
    background: var(--rc-red);
    color: #fff;
}
.wizard-step.done .wizard-step-icon {
    border-color: #198754;
    background: #198754;
    color: #fff;
}
.wizard-step-label {
    font-size: 0.75rem;
    color: #6c757d;
    text-align: center;
    white-space: nowrap;
}
.wizard-step.active .wizard-step-label { color: var(--rc-red); font-weight: 600; }
.wizard-step.done .wizard-step-label { color: #198754; }

/* Card panel */
.wizard-panel {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

/* Upload drop area */
.upload-dropzone {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
}
.upload-dropzone:hover, .upload-dropzone.active { border-color: var(--rc-red); }
.upload-dropzone .upload-icon { font-size: 3rem; color: #adb5bd; }

/* Preview iframe */
.preview-frame { border: 1px solid #dee2e6; border-radius: 8px; width: 100%; height: 500px; }

/* Status badge */
.badge-status-validiert { background: #198754; }
.badge-status-fehlgeschlagen { background: #dc3545; }
.badge-status-verarbeitung { background: #ffc107; color: #000; }