:root {
    color-scheme: light;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --bg: #f5f6f8;
    --fg: #1d1d1f;
    --fg-muted: #6e6e73;
    --card: rgba(255, 255, 255, 0.9);
    --border: rgba(210, 214, 222, 0.9);
    --shadow: 0 24px 45px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 36px 65px rgba(0, 0, 0, 0.15);
}

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

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.96), var(--bg));
    color: var(--fg);
    display: flex;
    justify-content: center;
}

.frame {
    width: min(1100px, 100%);
    display: grid;
    grid-template-rows: 1fr auto;
    min-height: 100vh;
    padding: clamp(32px, 4vw, 48px) clamp(24px, 4vw, 48px);
    gap: 32px;
}

main {
    display: grid;
    gap: clamp(24px, 3vw, 40px);
}

.content-card {
    background: var(--card);
    border-radius: 30px;
    padding: clamp(32px, 4vw, 48px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.dashboard-intro {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: clamp(24px, 4vw, 36px);
}

.dashboard-intro h1 {
    font-size: clamp(42px, 7vw, 60px);
    font-weight: 650;
    letter-spacing: -0.03em;
    margin: 0;
}

.dashboard-intro p {
    margin: 0;
    max-width: 560px;
    color: #515154;
    font-size: 18px;
    line-height: 1.55;
}

.content-card h1 {
    margin-top: 0;
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.content-card p.lead {
    font-size: 18px;
    line-height: 1.6;
    color: #515154;
    max-width: 640px;
}

.content-card ul {
    color: #515154;
    line-height: 1.6;
    padding-left: 18px;
}

.feature-grid {
    display: grid;
    gap: clamp(16px, 2vw, 22px);
}

.feature-item {
    padding: clamp(20px, 3vw, 26px);
    border-radius: 22px;
    background: rgba(255,255,255,0.78);
    border: 1px solid rgba(210,214,222,0.85);
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.12);
}

.feature-item h2 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.dashboard-grid {
    display: grid;
    gap: clamp(18px, 2vw, 24px);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.module-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: clamp(28px, 4vw, 36px);
    border-radius: 26px;
    background: linear-gradient(160deg, rgba(255,255,255,0.95), rgba(246,249,255,0.85));
    border: 1px solid rgba(210,214,222,0.85);
    box-shadow: 0 24px 45px rgba(15, 23, 42, 0.12);
    text-decoration: none;
    color: inherit;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    cursor: pointer;
}

.module-card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(140deg, rgba(190,200,255,0.12), rgba(0, 102, 255, 0.1));
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.module-card:hover {
    transform: scale(1.02);
    box-shadow: 0 38px 70px rgba(15, 23, 42, 0.18);
    border-color: rgba(180,190,210,0.9);
}

.module-card:active {
    transform: scale(0.99);
}

.module-card:hover::after {
    opacity: 1;
}

.module-card span.label {
    font-size: 14px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--fg-muted);
}

.module-card span.title {
    font-size: clamp(22px, 3vw, 26px);
    font-weight: 600;
    letter-spacing: -0.03em;
}

.module-card p {
    margin: 0;
    color: #4a4a4f;
    line-height: 1.55;
}

.adea-input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(210, 214, 222, 0.85);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
    font-size: 16px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.adea-input:focus {
    outline: none;
    border-color: rgba(120, 140, 255, 0.8);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.15);
}

.adea-button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(120deg, #0f62ff, #5a8dff);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 18px 32px rgba(15, 98, 255, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.adea-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 28px 46px rgba(15, 98, 255, 0.35);
}

.adea-button-primary:active {
    transform: translateY(0);
}

.adea-button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    border: none;
    background: #e5e5ea;
    color: #1d1d1f;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    box-shadow: none;
    transition: transform 0.2s ease, background 0.2s ease;
}

.adea-button-secondary:hover {
    transform: translateY(-1px);
    background: #d5d5dc;
}

.adea-button-secondary:active {
    transform: translateY(0);
}

.adea-d-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.adea-search-form {
    margin: 24px 0;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.adea-search-form button {
    flex-shrink: 0;
}

.adea-table-wrapper {
    margin-top: 12px;
    border-radius: 26px;
    overflow: hidden;
    box-shadow: 0 24px 45px rgba(15, 23, 42, 0.12);
}

.adea-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.9);
}

.adea-table th,
.adea-table td {
    padding: 16px 18px;
    text-align: left;
}

.adea-table thead {
    background: rgba(245, 247, 252, 0.9);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #6e6e73;
}

.adea-table tbody tr {
    transition: background 0.2s ease;
}

.adea-table tbody tr:hover {
    background: rgba(240, 245, 255, 0.8);
}

.adea-table-actions a {
    text-decoration: none;
    color: #0f62ff;
    font-weight: 600;
}

.adea-select {
    width: 100%;
    padding: 14px 46px 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(210, 214, 222, 0.85);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
    font-size: 15px;
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, #0f62ff 50%),
        linear-gradient(135deg, #0f62ff 50%, transparent 50%);
    background-position: calc(100% - 20px) calc(50% - 4px),
        calc(100% - 14px) calc(50% - 4px);
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}

.adea-select:focus {
    outline: none;
    border-color: rgba(120, 140, 255, 0.8);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.15);
}

.adea-filter-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 28px 0;
}

.adea-filter-bar label {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #6e6e73;
    display: block;
    margin-bottom: 6px;
}

.adea-filter-actions {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.adea-filter-actions .adea-button-primary {
    width: 100%;
}

@media (max-width: 600px) {
    .adea-filter-actions {
        flex-direction: column;
    }
}

.adea-pagination {
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
}

.adea-pagination a {
    text-decoration: none;
    color: #0f62ff;
    font-weight: 600;
}

.adea-nav-link {
    color: #1d1d1f;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: background 0.2s ease;
    background: transparent;
}

.adea-nav-link:hover {
    background: #f5f5f7;
}

.adea-nav-link.active {
    background: #f5f5f7;
    font-weight: 600;
}

footer {
    text-align: center;
    font-size: 13px;
    color: var(--fg-muted);
    padding: 18px;
}

@media (max-width: 760px) {
    .frame {
        padding-top: 28px;
        padding-bottom: 28px;
    }

    .module-card {
        padding: 24px;
    }
}

@media (max-width: 600px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-intro p {
        padding: 0 16px;
    }
}

/* Admin Layout ohne Sidebar */
.admin-layout-no-sidebar {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: #f5f5f7;
}

.admin-topbar-full {
    background: #ffffff;
    border-bottom: 1px solid #e5e5ea;
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.top-nav-item {
    padding: 8px 16px;
    color: #6e6e73;
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 400;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.top-nav-item:hover {
    background: #f5f5f7;
    color: #1d1d1f;
}

.top-nav-item.active {
    background: #e8f4fd;
    color: #007aff;
    font-weight: 600;
}

.admin-main-no-sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 64px);
}

.admin-breadcrumbs {
    padding: 16px 24px;
    background: #ffffff;
    border-bottom: 1px solid #e5e5ea;
    font-size: 0.9em;
    color: #6e6e73;
}

.admin-breadcrumbs a {
    color: #007aff;
    text-decoration: none;
}

.admin-breadcrumbs a:hover {
    text-decoration: underline;
}

.admin-breadcrumbs a:not(:last-child)::after {
    content: " › ";
    margin: 0 8px;
    color: #8e8e93;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 1ms !important;
        transition-duration: 1ms !important;
    }
}

/* Messages */
.adea-message {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.adea-message-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #34c759;
}

.adea-message-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #ff3b30;
}

.adea-message-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ff9500;
}

.adea-message-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #007aff;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background: #f5f5f7;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: #ffffff;
    border-right: 1px solid #e5e5ea;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid #e5e5ea;
}

.sidebar-header a {
    font-size: 1.3em;
    font-weight: 600;
    color: #1d1d1f;
}

.sidebar-header > div {
    font-size: 0.9em;
    color: #6e6e73;
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: #1d1d1f;
    text-decoration: none;
    transition: background 0.2s ease;
    font-size: 1em;
    font-weight: 400;
}

.nav-item:hover {
    background: #f5f5f7;
}

.nav-item.active {
    background: #e8f4fd;
    color: #007aff;
    font-weight: 600;
    border-left: 3px solid #007aff;
}

.nav-icon {
    font-size: 1.2em;
    width: 24px;
    text-align: center;
}

.nav-label {
    flex: 1;
}

.nav-section {
    margin-top: 8px;
}

.nav-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 20px;
    font-weight: 600;
    font-size: 0.9em;
    color: #6e6e73;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-submenu {
    padding-left: 8px;
}

.nav-submenu .nav-item {
    padding-left: 52px;
    font-size: 0.95em;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid #e5e5ea;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    background: #ffffff;
    border-bottom: 1px solid #e5e5ea;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    color: #8e8e93;
}

.breadcrumbs a {
    color: #007aff;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.breadcrumbs::after {
    content: "›";
    margin: 0 4px;
    color: #8e8e93;
}

.admin-messages {
    padding: 16px 24px;
    max-width: 100%;
}

.admin-content {
    flex: 1;
    padding: 24px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
}