/* ============================================================================
   SaVie Kundenverwaltung – Server
   Primärfarbe: Dark Navy #124D68
   Akzentfarbe: Teal #1F9B88
   Stil: Professionell, klar, Montserrat
   ============================================================================ */

:root {
    --color-primary: #124D68;
    --color-accent: #1F9B88;
    --color-accent-light: #0A6675;
    --color-accent-bright: #008A89;

    --color-bg: #FAF9F5;
    --color-bg-elevated: #FFFFFF;
    --color-bg-secondary: #F5F4F0;
    --color-border: #E0DED8;
    --color-separator: rgba(18, 77, 104, 0.08);
    --color-text: #212529;
    --color-text-secondary: #5A6570;
    --color-text-tertiary: #8E959C;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 32px;
    --space-8: 40px;

    --radius-sm: 6px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-pill: 35px;

    --shadow-sm: 0 1px 3px rgba(18, 77, 104, 0.06);
    --shadow-md: 0 2px 8px rgba(18, 77, 104, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 24px rgba(18, 77, 104, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 60px rgba(18, 77, 104, 0.16), 0 8px 20px rgba(0, 0, 0, 0.06);

    --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
    --duration: 0.2s;
}

/* ============================================================================
   Reset & Base
   ============================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection { background: rgba(31, 155, 136, 0.2); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(18, 77, 104, 0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(18, 77, 104, 0.3); }

/* ============================================================================
   Navbar
   ============================================================================ */

.navbar {
    background: var(--color-accent);
    color: white;
    padding: 0 var(--space-5);
    margin: var(--space-3) var(--space-3) 0;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(31, 155, 136, 0.2);
    position: sticky;
    top: var(--space-3);
    z-index: 20;
}

.navbar-inner {
    display: flex;
    align-items: center;
    height: 48px;
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--space-4);
}

.navbar-brand {
    text-decoration: none;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 32px;
    width: auto;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.95);
    padding: 2px;
}

.navbar-links {
    display: flex;
    gap: 2px;
    margin-left: auto;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--duration) var(--ease);
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.12);
}

.nav-link.active {
    color: var(--color-accent);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.nav-logout {
    margin-left: var(--space-2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-sm);
}

.nav-logout:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================================================
   Main Content
   ============================================================================ */

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-7) var(--space-5);
}

/* ============================================================================
   Flash Messages
   ============================================================================ */

.flash-messages { margin-bottom: var(--space-6); }

.flash {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
    font-size: 14px;
    font-weight: 500;
}

.flash-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.flash-info {
    background: rgba(18, 77, 104, 0.06);
    color: var(--color-primary);
    border: 1px solid rgba(18, 77, 104, 0.15);
}

.flash-success {
    background: rgba(31, 155, 136, 0.08);
    color: #157A6A;
    border: 1px solid rgba(31, 155, 136, 0.2);
}

/* ============================================================================
   Login
   ============================================================================ */

.login-container {
    min-height: calc(100vh - 8rem);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 0.25rem;
}

.login-subtitle {
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 8px 20px;
    border: none;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    font-family: inherit;
    letter-spacing: 0.02em;
    line-height: 1.4;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background: #1A8A79;
    box-shadow: 0 3px 12px rgba(31, 155, 136, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    background: #17806F;
    box-shadow: none;
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-tertiary);
}

.btn-danger {
    background: #dc2626;
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
    box-shadow: 0 3px 12px rgba(220, 38, 38, 0.3);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 5px 14px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
    margin-top: var(--space-2);
}

/* ============================================================================
   Forms
   ============================================================================ */

.form-group { margin-bottom: var(--space-4); }

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
    letter-spacing: 0.01em;
}

.form-input,
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 9px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    transition: all var(--duration) var(--ease);
    outline: none;
}

.form-input:focus,
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(31, 155, 136, 0.15);
}

.form-group textarea { resize: vertical; }
.form-textarea { resize: vertical; min-height: 80px; }

.required { color: #dc2626; font-size: 0.75rem; }

.form-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    padding-top: var(--space-2);
}

/* ============================================================================
   Page Header
   ============================================================================ */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
}

.page-header-left {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.page-count {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.back-link {
    font-size: 14px;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover { text-decoration: underline; }

/* ============================================================================
   Toolbar & Search
   ============================================================================ */

.toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    transition: all var(--duration) var(--ease);
    outline: none;
}

.search-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(31, 155, 136, 0.15);
}

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

/* ============================================================================
   Filter Pills
   ============================================================================ */

.filter-pills { display: flex; gap: var(--space-2); }

.pill {
    display: flex;
    align-items: center;
    padding: 5px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-bg-elevated);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    color: var(--color-text-secondary);
    text-decoration: none;
}

.pill:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pill-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(31, 155, 136, 0.25);
}

.pill-active:hover {
    background: #1A8A79;
    color: white;
}

/* ============================================================================
   Kunden-Tabelle
   ============================================================================ */

.kunden-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.kunden-table thead {
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.kunden-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.kunden-table td {
    padding: var(--space-3) var(--space-4);
    font-size: 14px;
    border-bottom: 1px solid rgba(18, 77, 104, 0.06);
    color: var(--color-text);
}

.kunden-row:last-child td { border-bottom: none; }

.kunden-row:hover { background: rgba(31, 155, 136, 0.03); }

.kunde-name {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.kunde-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
}

.kunde-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.favorit-star {
    color: #f59e0b;
    font-size: 13px;
}

.kunden-actions { text-align: right; }

.action-link {
    font-size: 13px;
    color: var(--color-accent);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--duration) var(--ease);
    font-weight: 500;
}

.action-link:hover { background: rgba(31, 155, 136, 0.08); }

/* ============================================================================
   Badges
   ============================================================================ */

.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    letter-spacing: 0.02em;
}

.badge-aktiv {
    background: rgba(31, 155, 136, 0.1);
    color: #157A6A;
}

.badge-inaktiv {
    background: var(--color-bg-secondary);
    color: var(--color-text-tertiary);
}

.badge-firma {
    background: rgba(18, 77, 104, 0.08);
    color: var(--color-primary);
}

/* ============================================================================
   Empty State
   ============================================================================ */

.empty-state {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--color-text-tertiary);
    border: 1px solid var(--color-border);
    font-size: 14px;
}

/* ============================================================================
   Kunden Formular
   ============================================================================ */

.kunden-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 760px;
}

.form-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--duration) var(--ease);
}

.form-card:hover { box-shadow: var(--shadow-md); }

.form-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.form-row {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.form-row:last-child { margin-bottom: 0; }

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group-full { flex: 1 1 100% !important; }
.form-group-small { flex: 0 0 120px !important; }

/* ============================================================================
   Kartei
   ============================================================================ */

.kartei-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* ── Kundenkartei Hero ──────────────────────────────────────────────────── */

.kunde-hero {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    margin-top: var(--space-3);
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.kunde-hero-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.kunde-hero-name-block {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
}

.kunde-hero-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-separator);
}

.hero-info-item {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 0 var(--space-4) 0 0;
}

.hero-info-item + .hero-info-item {
    padding-left: var(--space-4);
    border-left: 1px solid var(--color-border);
}

a.hero-info-item {
    color: var(--color-accent);
}

a.hero-info-item:hover {
    text-decoration: underline;
}

.stammdaten-notiz {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.stammdaten-notiz .kartei-section-title {
    margin-bottom: var(--space-2);
}

.kartei-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--space-5);
    align-items: start;
}

@media (max-width: 900px) {
    .kartei-grid { grid-template-columns: 1fr; }
}

.kartei-section {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-4);
    transition: box-shadow var(--duration) var(--ease);
}

.kartei-section:hover { box-shadow: var(--shadow-md); }
.kartei-section:last-child { margin-bottom: 0; }

.kartei-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.kartei-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-4);
}

.kartei-section-header .kartei-section-title { margin-bottom: 0; }

/* Detail-Liste */
.detail-list {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--space-2) var(--space-4);
}

.detail-list dt {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding-top: 2px;
}

.detail-list dd {
    font-size: 14px;
    color: var(--color-text);
}

.detail-list dd a {
    color: var(--color-accent);
    text-decoration: none;
}

.detail-list dd a:hover { text-decoration: underline; }

/* Notiz-Text */
.notiz-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    white-space: pre-line;
    line-height: 1.65;
}

/* Notizen-Liste Sidebar */
.notizen-liste, .rechnungen-liste {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.notiz-eintrag {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-4);
    margin-bottom: var(--space-3);
    transition: border-left-color var(--duration) var(--ease),
                box-shadow var(--duration) var(--ease);
}

.notiz-eintrag:hover {
    border-left-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.notiz-eintrag:last-child { margin-bottom: 0; }

.notiz-eintrag-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    gap: var(--space-2);
}

.notiz-datum {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.notiz-eintrag-actions {
    display: flex;
    gap: var(--space-1);
    flex-shrink: 0;
}

.action-link-danger {
    color: #dc2626;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--duration) var(--ease);
    font-family: inherit;
}

.action-link-danger:hover { background: #fef2f2; }

.notiz-text-sidebar {
    font-size: 14px;
    color: var(--color-text-secondary);
    white-space: pre-line;
    margin: 0;
    line-height: 1.55;
}

.notiz-vorschau {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Rechnungen Sidebar */
.rechnung-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: 14px;
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(18, 77, 104, 0.06);
}

.rechnung-item:last-child { border-bottom: none; }

.rechnung-nr {
    font-weight: 600;
    color: var(--color-primary);
    flex: 1;
}

.rechnung-betrag { color: var(--color-text-secondary); }

.section-empty {
    font-size: 13px;
    color: var(--color-text-tertiary);
    font-style: italic;
}

/* Kartei Meta */
.kartei-meta {
    margin-top: var(--space-5);
    font-size: 12px;
    color: var(--color-text-tertiary);
    text-align: right;
}

/* Notiz Textarea */
.notiz-textarea {
    resize: vertical;
    min-height: 280px;
    font-family: inherit;
    line-height: 1.6;
}

/* Icon-Buttons */
.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    font-family: inherit;
    letter-spacing: 0.01em;
}

.btn-icon:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(31, 155, 136, 0.04);
}

.btn-icon-active {
    background: rgba(255, 193, 7, 0.12);
    border-color: rgba(245, 158, 11, 0.4);
    color: #92400e;
}

.btn-icon-aktiv {
    background: rgba(31, 155, 136, 0.08);
    border-color: rgba(31, 155, 136, 0.3);
    color: #157A6A;
}

.btn-icon-inaktiv {
    background: var(--color-bg-secondary);
    border-color: var(--color-border);
    color: var(--color-text-tertiary);
}

/* ============================================================================
   Dashboard
   ============================================================================ */

.dashboard-placeholder h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.dashboard-placeholder > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-7);
    font-size: 14px;
}

.placeholder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-4);
}

.placeholder-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--duration) var(--ease);
}

.placeholder-card:hover { box-shadow: var(--shadow-md); }

.placeholder-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-1);
    letter-spacing: 0.01em;
}

.placeholder-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ============================================================================
   Rechnungen – Formular
   ============================================================================ */

.rechnung-form { max-width: 860px; }

/* Positions-Tabelle im Formular */
.pos-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-4);
}

.pos-table thead th {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) var(--space-3);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.pos-th-num, .pos-td-num, .pos-td-gesamt { text-align: right; }
.pos-th-bezeichnung { width: 55%; }
.pos-th-num { width: 12%; }
.pos-th-action { width: 40px; }

.pos-table tbody tr { border-bottom: 1px solid rgba(18, 77, 104, 0.05); }
.pos-table tbody tr:last-child { border-bottom: none; }

.pos-td-bezeichnung, .pos-td-num, .pos-td-gesamt, .pos-td-action {
    padding: var(--space-2) var(--space-2);
    vertical-align: middle;
}

.pos-td-gesamt {
    font-size: 14px;
    color: var(--color-text);
    white-space: nowrap;
    padding-right: var(--space-3);
}

.form-input-inline {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.form-input-inline:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(31, 155, 136, 0.12);
}

.text-right { text-align: right; }

.btn-pos-remove {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-elevated);
    color: var(--color-text-tertiary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration) var(--ease);
    line-height: 1;
    padding: 0;
}

.btn-pos-remove:hover {
    background: #fef2f2;
    border-color: #fecaca;
    color: #dc2626;
}

.pos-add-row {
    padding-top: var(--space-3);
    border-top: 1px dashed var(--color-border);
}

/* Totals-Box */
.totals-box {
    margin-top: var(--space-5);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-4);
    max-width: 280px;
    margin-left: auto;
}

.totals-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: var(--space-1) 0;
    color: var(--color-text-secondary);
}

.totals-brutto {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    border-top: 2px solid var(--color-primary);
    margin-top: var(--space-2);
    padding-top: var(--space-2);
}

.totals-hint {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-4);
    font-style: italic;
}

/* ============================================================================
   Rechnungen – Detail / Druckansicht
   ============================================================================ */

.rechnung-detail {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    max-width: 860px;
    margin-bottom: var(--space-5);
}

.rechnung-header-block {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-6);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--color-primary);
}

.rechnung-firma-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.rechnung-firma-info {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.rechnung-meta { flex-shrink: 0; }

.rechnung-empfaenger {
    margin-bottom: 2rem;
}

.rechnung-empfaenger-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2);
}

.rechnung-empfaenger-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.rechnung-pos-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.rechnung-pos-table thead {
    background: var(--color-primary);
    color: white;
}

.rechnung-pos-table th {
    padding: var(--space-3) var(--space-4);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.rpt-num { text-align: right; }
.rpt-bezeichnung { width: 55%; }

.rechnung-pos-table tbody tr:nth-child(even) { background: var(--color-bg-secondary); }

.rechnung-pos-table td {
    padding: var(--space-3) var(--space-4);
    font-size: 14px;
    border-bottom: 1px solid rgba(18, 77, 104, 0.06);
}

.rechnung-summen {
    max-width: 280px;
    margin-left: auto;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-3);
    margin-bottom: 1.5rem;
}

.summen-zeile {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: var(--space-1) 0;
    color: var(--color-text-secondary);
}

.summen-brutto {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    border-top: 2px solid var(--color-primary);
    margin-top: var(--space-2);
    padding-top: var(--space-2);
}

.rechnung-notiz, .rechnung-iban {
    font-size: 13px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

/* Badges für Rechnungsstatus */
.badge-offen {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
}

.badge-storniert {
    background: #fef2f2;
    color: #b91c1c;
}

/* Buchhaltung – Kennzahlen */
.buchhaltung-kennzahlen {
    display: flex;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.kennzahl-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 160px;
}

.kennzahl-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.kennzahl-wert {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

.kennzahl-offen { color: #92400e; }
.kennzahl-bezahlt { color: var(--color-accent); }

.text-right { text-align: right; }

.buchhaltung-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.buchhaltung-zeitraum {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.select-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 13px;
    height: 32px;
    width: auto;
}

/* Tab-Navigation */
.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.tab-link {
    padding: var(--space-3) var(--space-5);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
}

.tab-link:hover { color: var(--color-primary); }

.tab-link-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Einstellungen */
.settings-page {
    max-width: 860px;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.settings-save-row {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border);
}

.settings-input-short {
    max-width: 200px;
}

.form-help {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-1);
    line-height: 1.4;
}

.logo-preview {
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: inline-block;
}

.logo-preview img {
    max-height: 80px;
    max-width: 320px;
    object-fit: contain;
    display: block;
}

/* Datentabellen (Leistungskatalog, Templates) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-4);
    font-size: 14px;
}

.data-table th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

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

.data-table tbody tr:hover { background: var(--color-bg-secondary); }

.table-actions {
    white-space: nowrap;
    text-align: right;
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

.text-muted {
    color: var(--color-text-tertiary);
    font-size: 13px;
}

/* ============================================================================
   Animationen & Micro-Interactions
   ============================================================================ */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position:  200% center; }
}

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

/* Seiten-Einblende-Animation */
.main-content {
    animation: fadeInUp 0.18s var(--ease) both;
}

/* HTMX-Ladebalken oben */
.htmx-loading-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 9999;
    pointer-events: none;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-accent) 40%,
        rgba(31, 155, 136, 0.6) 60%,
        transparent 100%);
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.htmx-request.htmx-loading-bar {
    opacity: 1;
    animation: shimmer 1s linear infinite;
}

/* Button — Press-Effekt */
.btn { will-change: transform, box-shadow; }
.btn:active { transform: scale(0.96) !important; box-shadow: none !important; }
.btn-icon:active { transform: scale(0.96); }

/* Nav-Link — Press-Effekt */
.nav-link:active { opacity: 0.75; transform: scale(0.97); }

/* Button-Hover verfeinern */
.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Cards — stärkerer Hover-Lift */
.kartei-section:hover,
.form-card:hover,
.kennzahl-card:hover {
    box-shadow: 0 4px 16px rgba(18, 77, 104, 0.12), 0 2px 4px rgba(0,0,0,0.04);
    transform: translateY(-1px);
    transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.kartei-section,
.form-card,
.kennzahl-card {
    transition: box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}

/* Fokus-Ring (Accessibility) */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================================================
   Mobile-Navigation (Hamburger)
   ============================================================================ */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    border-radius: var(--radius-sm);
    transition: background var(--duration) var(--ease);
}

.nav-toggle:hover { background: rgba(255,255,255,0.12); }

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: rgba(255,255,255,0.9);
    border-radius: 2px;
    transition: all 0.22s var(--ease);
    transform-origin: center;
}

/* X-Animation wenn offen */
.navbar-links.is-open ~ * .nav-toggle span:nth-child(1),
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================================
   Responsive – Tablet (≤ 900px)
   ============================================================================ */

@media (max-width: 900px) {
    .rechnung-form  { max-width: 100%; }
    .settings-page  { max-width: 100%; }

    .rechnung-header-block {
        flex-direction: column;
        gap: var(--space-4);
    }

    .buchhaltung-kennzahlen { flex-wrap: wrap; }
    .kennzahl-card { flex: 1 1 calc(50% - var(--space-3)); }
}

/* ============================================================================
   Responsive – Mobile (≤ 640px)
   ============================================================================ */

@media (max-width: 640px) {

    /* ── Navigation ──────────────────────────────────────────── */

    .nav-toggle { display: flex; }

    .navbar-links {
        display: none;
        position: absolute;
        top: calc(100% + var(--space-2));
        left: 0; right: 0;
        background: var(--color-primary);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        padding: var(--space-2) var(--space-3) var(--space-4);
        flex-direction: column;
        gap: 2px;
        box-shadow: var(--shadow-lg);
        z-index: 50;
        margin-left: 0;
    }

    .navbar-links.is-open { display: flex; }

    .navbar-inner {
        position: relative;
        flex-wrap: wrap;
    }

    .nav-link {
        padding: 11px 14px;
        font-size: 14px;
    }

    .nav-logout {
        margin-left: 0;
        margin-top: var(--space-2);
        border-top: 1px solid rgba(255,255,255,0.12);
        padding-top: var(--space-3);
    }

    /* ── Allgemeines Layout ──────────────────────────────────── */

    .main-content {
        padding: var(--space-5) var(--space-4);
    }

    /* ── Page Header ─────────────────────────────────────────── */

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .page-header > .btn,
    .page-header > a.btn {
        width: 100%;
        justify-content: center;
    }

    /* ── Kartei Hero ─────────────────────────────────────────── */

    .kunde-hero {
        padding: var(--space-4);
        margin-top: var(--space-3);
    }

    .kunde-hero-top {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .kartei-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .kunde-hero-info {
        flex-direction: column;
        gap: var(--space-2);
        align-items: flex-start;
    }

    .hero-info-item + .hero-info-item {
        border-left: none;
        padding-left: 0;
    }

    /* ── Touch-Targets ───────────────────────────────────────── */

    .btn      { min-height: 44px; }
    .btn-sm   { min-height: 40px; padding: 8px 16px; }
    .btn-icon { min-height: 40px; }
    .pill     { min-height: 38px; padding: 8px 18px; }

    /* ── Toolbar & Filter ────────────────────────────────────── */

    .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }

    .search-input { min-width: unset; }

    .filter-pills {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding-bottom: 4px;
        /* Scrollbalken ausblenden */
        scrollbar-width: none;
    }
    .filter-pills::-webkit-scrollbar { display: none; }

    /* ── Formulare ───────────────────────────────────────────── */

    .form-row {
        flex-direction: column;
        gap: var(--space-3);
        margin-bottom: var(--space-3);
    }

    .form-row .form-group { flex: unset; }

    .form-card { padding: var(--space-4); }

    /* ── Kunden-Tabelle → Card-Layout ────────────────────────── */

    .kunden-table:not(.buchhaltung-table) thead { display: none; }
    .kunden-table:not(.buchhaltung-table),
    .kunden-table:not(.buchhaltung-table) tbody { display: block; }

    .kunden-table:not(.buchhaltung-table) tr {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        gap: 2px var(--space-3);
        padding: var(--space-4);
        background: var(--color-bg-elevated);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: var(--space-3);
        box-shadow: var(--shadow-sm);
    }

    /* Name: große Zeile links */
    .kunden-table:not(.buchhaltung-table) td:nth-child(1) {
        grid-column: 1; grid-row: 1;
        font-weight: 600;
        font-size: 15px;
        border: none; padding: 0;
    }

    /* Status-Badge: oben rechts */
    .kunden-table:not(.buchhaltung-table) td:nth-child(5) {
        grid-column: 2; grid-row: 1;
        text-align: right;
        border: none; padding: 0;
        display: flex; align-items: center; justify-content: flex-end;
    }

    /* Telefon: zweite Zeile */
    .kunden-table:not(.buchhaltung-table) td:nth-child(2) {
        grid-column: 1 / -1; grid-row: 2;
        font-size: 13px;
        color: var(--color-text-secondary);
        border: none; padding: 0;
    }

    /* E-Mail, Ort, Action-Link ausblenden */
    .kunden-table:not(.buchhaltung-table) td:nth-child(3),
    .kunden-table:not(.buchhaltung-table) td:nth-child(4),
    .kunden-table:not(.buchhaltung-table) td:nth-child(6) { display: none; }

    /* ── Buchhaltung-Tabelle → Card-Layout ───────────────────── */

    .buchhaltung-table thead { display: none; }
    .buchhaltung-table,
    .buchhaltung-table tbody { display: block; }

    .buchhaltung-table tr {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        gap: 2px var(--space-3);
        padding: var(--space-4);
        background: var(--color-bg-elevated);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: var(--space-3);
        box-shadow: var(--shadow-sm);
    }

    /* Rechnungsnummer links oben */
    .buchhaltung-table td:nth-child(1) {
        grid-column: 1; grid-row: 1;
        font-weight: 600;
        border: none; padding: 0;
    }

    /* Betrag rechts oben */
    .buchhaltung-table td:nth-child(4) {
        grid-column: 2; grid-row: 1;
        font-weight: 600;
        text-align: right;
        border: none; padding: 0;
    }

    /* Kundenname zweite Zeile */
    .buchhaltung-table td:nth-child(3) {
        grid-column: 1; grid-row: 2;
        font-size: 13px;
        color: var(--color-text-secondary);
        border: none; padding: 0;
    }

    /* Status rechts unten */
    .buchhaltung-table td:nth-child(5) {
        grid-column: 2; grid-row: 2;
        display: flex; justify-content: flex-end; align-items: center;
        border: none; padding: 0;
    }

    /* Datum und Action ausblenden */
    .buchhaltung-table td:nth-child(2),
    .buchhaltung-table td:nth-child(6) { display: none; }

    /* ── Buchhaltung Layout ───────────────────────────────────── */

    .buchhaltung-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .buchhaltung-zeitraum {
        flex-direction: column;
        gap: var(--space-2);
    }

    .select-sm { width: 100%; }

    .buchhaltung-kennzahlen {
        gap: var(--space-3);
        flex-wrap: wrap;
    }

    .kennzahl-card {
        flex: 1 1 calc(50% - var(--space-2));
        min-width: 0;
        padding: var(--space-4) var(--space-4);
    }

    .kennzahl-wert { font-size: 18px; }

    /* ── Rechnungsdetail ─────────────────────────────────────── */

    .rechnung-detail { padding: var(--space-4); }
    .rechnung-detail .rechnung-header-block { flex-direction: column; gap: var(--space-3); }

    .rechnung-pos-table th:nth-child(2),
    .rechnung-pos-table td:nth-child(2) { display: none; } /* Menge ausblenden */

    /* ── Einstellungen ───────────────────────────────────────── */

    .tab-link {
        padding: var(--space-3) var(--space-3);
        font-size: 13px;
    }
}

/* ============================================================================
   Umsatz-Chart
   ============================================================================ */

.umsatz-chart-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--duration) var(--ease);
}

.umsatz-chart-card:hover {
    box-shadow: var(--shadow-md);
}

.umsatz-chart-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.umsatz-chart-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
}

.umsatz-chart-hint {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.umsatz-chart-wrap {
    position: relative;
    height: 180px;
}

@media (max-width: 640px) {
    .umsatz-chart-card { padding: var(--space-4); }
    .umsatz-chart-wrap { height: 150px; }
}

/* Drucken */
@media print {
    .no-print, .navbar, .flash-messages, .page-header .kartei-actions,
    .back-link, .kartei-meta { display: none !important; }
    body { background: white; }
    .rechnung-detail { box-shadow: none; border: none; padding: 0; }
    .page-header { margin-bottom: 1rem; }
}