/* ============================================================
   IT-Ticketsystem — style.css
   Design: Hell & clean, Apple-Style
   Fonts: DM Sans (Body) + DM Mono (Ticket-Nummern)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

/* ============================================================
   CSS Custom Properties — Design-System
   ============================================================ */
:root {
    /* Farben */
    --color-bg:          #F5F5F7;
    --color-surface:     #FFFFFF;
    --color-surface-2:   #F0F0F2;
    --color-border:      #D8D8DC;
    --color-border-light:#EBEBED;

    --color-primary:     #0A84FF;
    --color-primary-hover:#0071E3;
    --color-primary-soft:#E8F2FF;

    --color-text:        #1D1D1F;
    --color-text-secondary: #6E6E73;
    --color-text-tertiary:  #AEAEB2;

    --color-success:     #30D158;
    --color-success-soft:#E8F9EC;
    --color-warning:     #FF9F0A;
    --color-warning-soft:#FFF4E5;
    --color-danger:      #FF453A;
    --color-danger-soft: #FFF0EF;

    /* Status-Farben */
    --status-open:       #8B9BAE;
    --status-progress:   #0A84FF;
    --status-waiting:    #FF9F0A;
    --status-solved:     #30D158;
    --status-closed:     #6E6E73;

    /* Priorität-Farben */
    --priority-low:      #8B9BAE;
    --priority-medium:   #FF9F0A;
    --priority-high:     #FF453A;
    --priority-critical: #BF0000;

    /* Typografie */
    --font-body:   'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:   'DM Mono', 'SF Mono', monospace;

    /* Spacing */
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Schatten */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.06);
    --shadow-focus: 0 0 0 3px rgba(10,132,255,0.25);

    /* Übergänge */
    --transition: 0.2s ease;
}

/* ============================================================
   Reset & Basis
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-primary-hover); }

img { max-width: 100%; height: auto; display: block; }

/* ============================================================
   Layout
   ============================================================ */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container--narrow {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container--wide {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.page-content {
    padding: var(--space-2xl) 0;
}

.center-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* Flex-Helfer */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-end { display: flex; align-items: center; justify-content: flex-end; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================================
   Header / Navigation (öffentlich)
   ============================================================ */
.site-header {
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.site-header__logo svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.site-header__nav a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition);
}

.site-header__nav a:hover,
.site-header__nav a.active {
    color: var(--color-text);
}

/* ============================================================
   Header IT-Bereich
   ============================================================ */
.it-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.it-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.it-header__left {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.it-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.it-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.it-header__nav a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}

.it-header__nav a:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
}

.it-header__nav a.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
}

.it-header__right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.it-header__user {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-xl) 0;
    margin-top: auto;
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.site-footer__copy {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.site-footer__links {
    display: flex;
    gap: var(--space-lg);
}

.site-footer__links a {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.site-footer__links a:hover {
    color: var(--color-text-secondary);
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.card--hover {
    transition: box-shadow var(--transition), transform var(--transition);
    cursor: pointer;
}

.card--hover:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.5rem 1.125rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
}

.btn-secondary {
    background: var(--color-surface-2);
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
    color: var(--color-text);
}

.btn-danger {
    background: var(--color-danger-soft);
    color: var(--color-danger);
    border-color: transparent;
}
.btn-danger:hover:not(:disabled) {
    background: var(--color-danger);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface-2);
    color: var(--color-text);
}

.btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

/* ============================================================
   Formulare
   ============================================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem var(--space-md);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-danger);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236E6E73' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--color-danger);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Datei-Upload */
.file-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.file-upload:hover,
.file-upload.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload__text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.file-item__name {
    font-weight: 500;
    color: var(--color-text);
}

.file-item__size {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    margin-left: var(--space-sm);
}

/* ============================================================
   Badges & Status-Pills
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.badge--open     { background: #F0F2F4; color: var(--status-open); }
.badge--progress { background: var(--color-primary-soft); color: var(--status-progress); }
.badge--waiting  { background: var(--color-warning-soft); color: var(--status-waiting); }
.badge--solved   { background: var(--color-success-soft); color: var(--status-solved); }
.badge--closed   { background: var(--color-surface-2); color: var(--status-closed); }

.badge--priority-low      { background: #F0F2F4; color: var(--priority-low); }
.badge--priority-medium   { background: var(--color-warning-soft); color: var(--priority-medium); }
.badge--priority-high     { background: var(--color-danger-soft); color: var(--priority-high); }
.badge--priority-critical { background: #FFF0EF; color: var(--priority-critical); font-weight: 700; }

/* ============================================================
   Tabellen
   ============================================================ */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-surface-2);
    border-bottom: 1px solid var(--color-border-light);
    white-space: nowrap;
}

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

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

.table tbody tr {
    transition: background var(--transition);
    cursor: pointer;
}

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

.ticket-number {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ============================================================
   Ticket-Timeline / Verlauf
   ============================================================ */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline-item {
    display: flex;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    position: relative;
}

.timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 32px;
    bottom: 0;
    width: 1px;
    background: var(--color-border-light);
}

.timeline-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    flex-shrink: 0;
    z-index: 1;
}

.timeline-avatar--it {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-color: transparent;
}

.timeline-avatar--system {
    background: var(--color-surface-2);
    color: var(--color-text-tertiary);
}

.timeline-content {
    flex: 1;
    min-width: 0;
}

.timeline-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
    flex-wrap: wrap;
}

.timeline-author {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.timeline-time {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.timeline-internal-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-warning);
    background: var(--color-warning-soft);
    padding: 0.1rem 0.5rem;
    border-radius: var(--radius-full);
}

.timeline-body {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.65;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.timeline-body--internal {
    background: var(--color-warning-soft);
    border-color: rgba(255,159,10,0.2);
}

.timeline-system {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    font-style: italic;
    padding: var(--space-xs) 0;
}

/* ============================================================
   Alerts / Flash-Nachrichten
   ============================================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
}

.alert--success {
    background: var(--color-success-soft);
    color: #1a7a35;
    border: 1px solid rgba(48,209,88,0.2);
}

.alert--error {
    background: var(--color-danger-soft);
    color: #cc1a14;
    border: 1px solid rgba(255,69,58,0.2);
}

.alert--warning {
    background: var(--color-warning-soft);
    color: #8a5400;
    border: 1px solid rgba(255,159,10,0.2);
}

.alert--info {
    background: var(--color-primary-soft);
    color: #004da8;
    border: 1px solid rgba(10,132,255,0.2);
}

/* ============================================================
   Statistik-Karten (Dashboard)
   ============================================================ */
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.stat-card__label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-sm);
}

.stat-card__value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.stat-card__sub {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

/* ============================================================
   Seitenüberschriften
   ============================================================ */
.page-header {
    margin-bottom: var(--space-xl);
}

.page-header__title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.page-header__sub {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

/* ============================================================
   Leer-Zustand (wenn keine Tickets)
   ============================================================ */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    color: var(--color-text-secondary);
}

.empty-state__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-lg);
    color: var(--color-text-tertiary);
}

.empty-state__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.empty-state__text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================================
   Fehlerseiten
   ============================================================ */
.error-box {
    text-align: center;
    padding: var(--space-3xl);
}

.error-code {
    display: block;
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--space-md);
    font-variant-numeric: tabular-nums;
}

.error-box h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.error-box p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

/* ============================================================
   Login-Seite
   ============================================================ */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: var(--space-xl);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.login-card__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.login-card__title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.login-card__sub {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

/* ============================================================
   Animationen
   ============================================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.animate-fade-up { animation: fadeUp 0.35s ease both; }
.animate-fade-up-2 { animation: fadeUp 0.35s 0.05s ease both; }
.animate-fade-up-3 { animation: fadeUp 0.35s 0.10s ease both; }
.animate-fade-up-4 { animation: fadeUp 0.35s 0.15s ease both; }

/* ============================================================
   Utility-Klassen
   ============================================================ */
.text-sm    { font-size: 0.875rem; }
.text-xs    { font-size: 0.8125rem; }
.text-muted { color: var(--color-text-secondary); }
.text-mono  { font-family: var(--font-mono); }
.text-right { text-align: right; }
.text-center{ text-align: center; }
.font-medium{ font-weight: 500; }
.font-semi  { font-weight: 600; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-lg) 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   Responsive
   ============================================================ */


/* Dashboard Grid — Desktop 2 Spalten, Mobile 1 Spalte */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* Ticket Detail Grid — Desktop 2 Spalten, Mobile 1 Spalte */
.ticket-detail-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-xl);
    align-items: start;
}

/* Stat-Grid — 4 Spalten Desktop, 2 Spalten Mobile */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* ============================================================
   Mobile-Optimierungen
   ============================================================ */

/* Hamburger Menu */
.nav-toggle {
    display: none; /* Standard: ausgeblendet auf Desktop */
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-sm);
    background: none;
    border: none;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav auf Desktop immer versteckt */
#mobile-nav { display: none; }

@media (max-width: 900px) {
    /* Hamburger sichtbar */
    .nav-toggle { display: flex; }
    /* Desktop Nav verstecken */
    .it-header__nav { display: none !important; }

    .site-header__nav {
        display: none !important;
        position: absolute;
        top: 52px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border-light);
        padding: var(--space-md) var(--space-lg);
        flex-direction: column;
        gap: var(--space-sm);
        z-index: 99;
        box-shadow: var(--shadow-md);
    }
    .site-header__nav.open { display: flex !important; }
    .site-header__nav a {
        padding: var(--space-sm) 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border-light);
    }
    .site-header__nav a:last-child { border-bottom: none; }

    #mobile-nav {
        display: none !important;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md) var(--space-lg);
        flex-direction: column;
        gap: 0;
        z-index: 99;
        box-shadow: var(--shadow-md);
    }
    #mobile-nav.open { display: flex !important; }
    #mobile-nav a {
        border-radius: 0;
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--color-border-light);
        font-size: 1rem;
    }

    .site-header__inner { position: relative; }
    .it-header__inner   { position: relative; }

    /* Login Button im Header ausblenden auf Mobile */
    /* Login-Button bleibt sichtbar auf Mobile — ist im Hamburger-Bereich */

    /* Grids */
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    /* Container */
    .container, .container--narrow, .container--wide {
        padding: 0 var(--space-md);
    }

    /* Page Content */
    .page-content { padding: var(--space-lg) 0; }

    /* Cards */
    .card { padding: var(--space-lg); }

    /* Tabellen — horizontal scrollbar */
    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .table { min-width: 600px; }

    /* Dashboard Grid — einspaltig auf Mobile */
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }

    /* Ticket Detail IT — einspaltig wie Gast-Ansicht */
    .ticket-detail-grid {
        grid-template-columns: 1fr !important;
        overflow: hidden;
    }

    /* Dashboard Stat-Kacheln — 2x2 auf Mobile */
    .stat-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Overflow verhindern */
    .container--wide, .container, .container--narrow {
        overflow-x: hidden;
    }

    /* Stat-Karten */
    .stat-card__value { font-size: 1.75rem; }

    /* Buttons */
    .btn-lg { width: 100%; }
    .btn { min-height: 44px; } /* Touch-freundliche Mindestgröße */

    /* Form Grid */
    .two-col, .two-col-equal { grid-template-columns: 1fr !important; }

    /* IT Header */
    .it-header__right .it-header__user { display: none; }

    /* Footer */
    .site-footer__inner {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    /* Page Header */
    .page-header { 
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: var(--space-md);
    }
    .page-header .btn { width: 100%; text-align: center; }

    /* Timeline */
    .timeline-item { gap: var(--space-sm); }

    /* Filter-Formulare */
    .filter-form-inner {
        flex-direction: column !important;
    }
    .filter-form-inner > * { width: 100% !important; }

    /* Admin Tabs */
    .admin-tabs {
        flex-wrap: wrap;
        gap: 4px;
    }
    .admin-tabs a { font-size: 0.8125rem; padding: var(--space-xs) var(--space-sm); }

    /* Login Card */
    .login-card { padding: var(--space-xl) var(--space-lg); }
    .login-wrap  { padding: var(--space-md); }

    /* Home Hero */
    .home-hero h1 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .stat-card__value { font-size: 1.5rem; }
    .page-header__title { font-size: 1.25rem; }
    .card { padding: var(--space-md); }
    .install-card { padding: var(--space-lg); }
}

/* ============================================================
   User Dropdown
   ============================================================ */
.user-dropdown {
    position: relative;
}

.user-dropdown__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition);
    font-family: var(--font-body);
    color: var(--color-text);
}

.user-dropdown__trigger:hover {
    background: var(--color-surface-2);
}

.user-dropdown__trigger svg {
    color: var(--color-text-tertiary);
    transition: transform 0.2s ease;
}

.user-dropdown.open .user-dropdown__trigger svg {
    transform: rotate(180deg);
}

.user-dropdown__menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 200;
    overflow: hidden;
    animation: fadeUp 0.15s ease both;
}

.user-dropdown.open .user-dropdown__menu {
    display: block;
}

.user-dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.875rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition);
}

.user-dropdown__item:hover {
    background: var(--color-bg);
}

.user-dropdown__item--danger {
    color: var(--color-danger);
}

.user-dropdown__divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-xs) 0;
}

.it-header__user-name {
    font-size: 0.875rem;
    font-weight: 500;
}

@media (max-width: 900px) {
    .user-dropdown { display: none; }
}

/* ============================================================
   Status-Punkte (pulsierend, Variante B — Ring nach außen)
   ============================================================ */
@keyframes status-ring {
    0%, 100% { box-shadow: 0 0 0 0 currentColor; }
    70%       { box-shadow: 0 0 0 5px transparent; }
}

.status-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
    vertical-align: middle;
    margin-right: 6px;
}

.status-dot--open     { background:#8B9BAE; color:#8B9BAE; animation: status-ring 1.5s ease-out infinite; }
.status-dot--progress { background:#0A84FF; color:#0A84FF; animation: status-ring 1.5s ease-out infinite; }
.status-dot--waiting  { background:#FF9F0A; color:#FF9F0A; animation: status-ring 1.5s ease-out infinite; }
.status-dot--solved   { background:#30D158; color:#30D158; }
.status-dot--closed   { background:#3A3A3C; color:#3A3A3C; }