/* ============================================
   RECHNUNGEN SEITE - ELEGANT & MODERN
   ============================================ */

.rechnungen-page {
    background: #f8fafc;
}

.rechnungen-container {
    padding: 4rem 0;
}

/* ============================================
   KPI CARDS
   ============================================ */

.rechnungen-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.rechnungen-kpi-card {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
}

.rechnungen-kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.rechnungen-kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    background: rgba(0, 150, 255, 0.1);
    color: #0096ff;
}

.rechnungen-kpi-card--warning .rechnungen-kpi-icon {
    background: rgba(255, 193, 7, 0.1);
    color: #f59e0b;
}

.rechnungen-kpi-card--success .rechnungen-kpi-icon {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.rechnungen-kpi-card--info .rechnungen-kpi-icon {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.rechnungen-kpi-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.rechnungen-kpi-label {
    font-size: 0.875rem;
    color: #718096;
    font-weight: 600;
}

.rechnungen-kpi-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.rechnungen-empty {
    background: #ffffff;
    border: 2px dashed rgba(0, 0, 0, 0.12);
    border-radius: 16px;
    padding: 4rem 2rem;
    text-align: center;
}

.rechnungen-empty-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: rgba(0, 150, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #0096ff;
}

.rechnungen-empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
    margin: 0 0 0.75rem 0;
}

.rechnungen-empty-text {
    font-size: 1rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================
   TABLE
   ============================================ */

.rechnungen-table-wrapper {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.rechnungen-table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
}

.rechnungen-table thead {
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.05) 0%, rgba(0, 150, 255, 0.02) 100%);
    border-bottom: 2px solid rgba(0, 0, 0, 0.06);
}

.rechnungen-table thead th {
    padding: 1rem 1.25rem;
    font-size: 0.813rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #718096;
    text-align: left;
    white-space: nowrap;
}

.rechnungen-table tbody tr {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: background 0.2s ease;
}

.rechnungen-table tbody tr:last-child {
    border-bottom: none;
}

.rechnungen-table tbody tr:hover {
    background: #f8fafc;
}

.rechnungen-table-row--overdue {
    background: rgba(239, 68, 68, 0.03);
}

.rechnungen-table-row--overdue:hover {
    background: rgba(239, 68, 68, 0.05);
}

.rechnungen-table tbody td {
    padding: 1.25rem;
    vertical-align: middle;
}

/* Invoice Number */
.rechnungen-invoice-number {
    font-size: 0.938rem;
    font-weight: 700;
    color: #1a202c;
}

.rechnungen-invoice-paid {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.813rem;
    color: #22c55e;
    margin-top: 0.25rem;
}

.rechnungen-invoice-paid i {
    font-size: 0.75rem;
}

/* Date */
.rechnungen-date {
    font-size: 0.938rem;
    color: #4a5568;
    white-space: nowrap;
}

/* Amount */
.rechnungen-amount {
    font-size: 1rem;
    font-weight: 700;
    color: #1a202c;
}

/* Badges */
.rechnungen-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    font-size: 0.813rem;
    font-weight: 600;
    white-space: nowrap;
}

.rechnungen-badge--subscription {
    background: rgba(0, 150, 255, 0.1);
    color: #0096ff;
}

.rechnungen-badge--book {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.rechnungen-badge--other {
    background: rgba(148, 163, 184, 0.1);
    color: #718096;
}

.rechnungen-badge i {
    font-size: 0.75rem;
}

/* Status */
.rechnungen-status {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.813rem;
    font-weight: 600;
    white-space: nowrap;
}

.rechnungen-status--draft {
    background: rgba(148, 163, 184, 0.1);
    color: #64748b;
}

.rechnungen-status--open {
    background: rgba(255, 193, 7, 0.1);
    color: #f59e0b;
}

.rechnungen-status--paid {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.rechnungen-status--overdue {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.rechnungen-status--canceled {
    background: rgba(0, 0, 0, 0.1);
    color: #4a5568;
}

.rechnungen-status--unknown {
    background: rgba(148, 163, 184, 0.1);
    color: #94a3b8;
}

/* Due Date */
.rechnungen-due {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.rechnungen-due-date {
    font-size: 0.938rem;
    color: #4a5568;
    white-space: nowrap;
}

.rechnungen-due-overdue {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.813rem;
    color: #ef4444;
    font-weight: 600;
}

.rechnungen-due-overdue i {
    font-size: 0.75rem;
}

.rechnungen-no-data {
    font-size: 0.938rem;
    color: #cbd5e0;
}

/* Download Button */
.rechnungen-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    background: #0096ff;
    color: #ffffff;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 150, 255, 0.25);
}

.rechnungen-download-btn:hover {
    background: #0077cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 150, 255, 0.35);
    color: #ffffff;
}

.rechnungen-download-btn i {
    font-size: 1rem;
}

.rechnungen-no-file {
    font-size: 0.813rem;
    color: #94a3b8;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1199.98px) {
    .rechnungen-table thead th,
    .rechnungen-table tbody td {
        padding: 1rem;
    }
}

@media (max-width: 991.98px) {
    .rechnungen-container {
        padding: 3rem 0;
    }

    .rechnungen-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Table wird scrollbar auf kleineren Screens */
    .rechnungen-table-wrapper {
        overflow-x: auto;
    }

    .rechnungen-table {
        min-width: 900px;
    }
}

@media (max-width: 767.98px) {
    .rechnungen-container {
        padding: 2rem 0;
    }

    .rechnungen-empty {
        padding: 3rem 1.5rem;
    }

    .rechnungen-empty-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .rechnungen-empty-title {
        font-size: 1.25rem;
    }

    .rechnungen-kpi-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .rechnungen-kpi-card {
        padding: 1.25rem;
    }

    .rechnungen-kpi-icon {
        width: 50px;
        height: 50px;
        font-size: 1.375rem;
    }

    .rechnungen-kpi-value {
        font-size: 1.25rem;
    }

    .rechnungen-table {
        font-size: 0.875rem;
    }

    .rechnungen-table thead th,
    .rechnungen-table tbody td {
        padding: 0.875rem;
    }
}

@media (max-width: 575.98px) {
    .rechnungen-kpi-card {
        padding: 1rem;
    }

    .rechnungen-kpi-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .rechnungen-kpi-label {
        font-size: 0.813rem;
    }

    .rechnungen-kpi-value {
        font-size: 1.125rem;
    }

    .rechnungen-download-btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.813rem;
    }
}