/**
 * ContentFlow 1.0 - CSS Framework
 * Apple-inspired design system
 * Brand: 040.studio
 *
 * Basiert auf CastFlow help.css
 */

/* ===================================
   ROOT VARIABLES
   =================================== */
:root {
    /* Farben - Grautöne */
    --cf-bg: #F5F5F7;
    --cf-surface: #FFFFFF;
    --cf-border: #E1E1E3;
    --cf-text: #1D1D1F;
    --cf-text-secondary: #86868B;
    --cf-text-disabled: #C7C7CC;

    /* Farben - Akzente */
    --cf-blue: #007AFF;
    --cf-blue-dark: #0051D5;
    --cf-green: #34C759;
    --cf-red: #FF3B30;
    --cf-yellow: #FFCC00;
    --cf-purple: #AF52DE;
    --cf-orange: #FF9500;
    --cf-cyan: #00C7BE;

    /* Typografie */
    --cf-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --cf-font-mono: "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;

    /* Schriftgrößen */
    --cf-text-xs: 11px;
    --cf-text-sm: 13px;
    --cf-text-base: 15px;
    --cf-text-lg: 17px;
    --cf-text-xl: 20px;
    --cf-text-2xl: 24px;
    --cf-text-3xl: 32px;
    --cf-text-4xl: 48px;

    /* Abstände */
    --cf-space-xs: 4px;
    --cf-space-sm: 8px;
    --cf-space-md: 16px;
    --cf-space-lg: 24px;
    --cf-space-xl: 32px;
    --cf-space-2xl: 48px;
    --cf-space-3xl: 64px;

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

    /* Schatten */
    --cf-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --cf-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --cf-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

    /* Transitions */
    --cf-transition: all 0.2s ease;
}

/* ===================================
   BASE STYLES
   =================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--cf-font);
    font-size: var(--cf-text-base);
    color: var(--cf-text);
    background: var(--cf-bg);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--cf-blue);
    text-decoration: none;
    transition: var(--cf-transition);
}

a:hover {
    color: var(--cf-blue-dark);
}

/* ===================================
   LAYOUT
   =================================== */
.cf-container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--cf-space-lg);
}

.cf-container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--cf-space-lg);
}

.cf-main {
    padding: var(--cf-space-xl) var(--cf-space-lg);
}

/* ===================================
   HEADER
   =================================== */
.cf-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--cf-border);
    padding: var(--cf-space-md) var(--cf-space-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cf-header-logo {
    display: flex;
    align-items: center;
    gap: var(--cf-space-sm);
}

.cf-header-logo h1 {
    font-size: var(--cf-text-lg);
    font-weight: 600;
    color: var(--cf-text);
}

.cf-header-logo .version {
    font-size: var(--cf-text-xs);
    color: var(--cf-text-secondary);
    background: var(--cf-bg);
    padding: 2px 8px;
    border-radius: var(--cf-radius-sm);
}

.cf-header-actions {
    display: flex;
    align-items: center;
    gap: var(--cf-space-md);
}

.cf-user-info {
    text-align: right;
}

.cf-user-info .name {
    font-size: var(--cf-text-sm);
    font-weight: 500;
    color: var(--cf-text);
}

.cf-user-info .role {
    font-size: var(--cf-text-xs);
    color: var(--cf-text-secondary);
}

/* ===================================
   TYPOGRAPHY
   =================================== */
.cf-page-title {
    font-size: var(--cf-text-3xl);
    font-weight: 600;
    color: var(--cf-text);
    margin-bottom: var(--cf-space-sm);
}

.cf-page-subtitle {
    font-size: var(--cf-text-base);
    color: var(--cf-text-secondary);
    margin-bottom: var(--cf-space-xl);
}

.cf-section-title {
    font-size: var(--cf-text-xl);
    font-weight: 600;
    color: var(--cf-text);
    margin-bottom: var(--cf-space-md);
}

.cf-label {
    font-size: var(--cf-text-xs);
    font-weight: 500;
    color: var(--cf-text);
    margin-bottom: var(--cf-space-xs);
    display: block;
}

/* ===================================
   BUTTONS
   =================================== */
.cf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--cf-space-xs);
    padding: 8px 16px;
    font-size: var(--cf-text-sm);
    font-weight: 500;
    border-radius: var(--cf-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--cf-transition);
    text-decoration: none;
    white-space: nowrap;
}

.cf-btn-primary {
    background: var(--cf-blue);
    color: white;
    border-color: var(--cf-blue);
}

.cf-btn-primary:hover {
    background: var(--cf-blue-dark);
    border-color: var(--cf-blue-dark);
    color: white;
}

.cf-btn-secondary {
    background: var(--cf-surface);
    color: var(--cf-text);
    border-color: var(--cf-border);
}

.cf-btn-secondary:hover {
    background: var(--cf-bg);
    border-color: #c7c7cc;
    color: var(--cf-text);
}

.cf-btn-danger {
    background: var(--cf-red);
    color: white;
    border-color: var(--cf-red);
}

.cf-btn-danger:hover {
    background: #d63027;
    border-color: #d63027;
    color: white;
}

.cf-btn-lg {
    padding: 12px 24px;
    font-size: var(--cf-text-base);
}

.cf-btn-sm {
    padding: 6px 12px;
    font-size: var(--cf-text-xs);
}

.cf-btn-block {
    display: flex;
    width: 100%;
}

/* ===================================
   FORMS
   =================================== */
.cf-form-group {
    margin-bottom: var(--cf-space-md);
}

.cf-input {
    width: 100%;
    padding: 10px 14px;
    font-size: var(--cf-text-sm);
    font-family: var(--cf-font);
    color: var(--cf-text);
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-sm);
    outline: none;
    transition: var(--cf-transition);
}

.cf-input:focus {
    border-color: var(--cf-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.cf-input::placeholder {
    color: var(--cf-text-secondary);
}

.cf-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386868B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ===================================
   CARDS
   =================================== */
.cf-card {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-lg);
    padding: var(--cf-space-lg);
    transition: var(--cf-transition);
}

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

.cf-card-clickable {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.cf-card-clickable:hover {
    border-color: var(--cf-blue);
    color: inherit;
}

/* Cards Grid */
.cf-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--cf-space-md);
}

/* ===================================
   FEATURE CARDS (mit Icons)
   =================================== */
.cf-feature-card {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-lg);
    padding: var(--cf-space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--cf-space-md);
    transition: var(--cf-transition);
}

.cf-feature-card:hover {
    border-color: var(--cf-blue);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.1);
}

.cf-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--cf-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cf-feature-icon i {
    font-size: 24px;
    color: white;
}

.cf-feature-icon.blue { background: var(--cf-blue); }
.cf-feature-icon.green { background: var(--cf-green); }
.cf-feature-icon.orange { background: var(--cf-orange); }
.cf-feature-icon.purple { background: var(--cf-purple); }
.cf-feature-icon.red { background: var(--cf-red); }
.cf-feature-icon.cyan { background: var(--cf-cyan); }
.cf-feature-icon.gray { background: var(--cf-text-secondary); }

/* Gradient Icons */
.cf-feature-icon.gradient-blue {
    background: linear-gradient(135deg, #007AFF 0%, #5AC8FA 100%);
    box-shadow: 0 8px 16px rgba(0,122,255,0.25);
}

.cf-feature-icon.gradient-green {
    background: linear-gradient(135deg, #34C759 0%, #65DB89 100%);
    box-shadow: 0 8px 16px rgba(52,199,89,0.25);
}

.cf-feature-icon.gradient-orange {
    background: linear-gradient(135deg, #FF9500 0%, #FFCC00 100%);
    box-shadow: 0 8px 16px rgba(255,149,0,0.25);
}

.cf-feature-icon.gradient-purple {
    background: linear-gradient(135deg, #AF52DE 0%, #DA8FFF 100%);
    box-shadow: 0 8px 16px rgba(175,82,222,0.25);
}

.cf-feature-content h3 {
    font-size: var(--cf-text-base);
    font-weight: 600;
    color: var(--cf-text);
    margin-bottom: var(--cf-space-xs);
}

.cf-feature-content p {
    font-size: var(--cf-text-sm);
    color: var(--cf-text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* ===================================
   STAT CARDS
   =================================== */
.cf-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--cf-space-md);
    margin-bottom: var(--cf-space-xl);
}

.cf-stat-card {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-lg);
    padding: var(--cf-space-lg);
}

.cf-stat-card .icon {
    width: 40px;
    height: 40px;
    background: var(--cf-bg);
    border-radius: var(--cf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--cf-space-sm);
}

.cf-stat-card .icon i {
    font-size: 20px;
    color: var(--cf-blue);
}

.cf-stat-card .value {
    font-size: var(--cf-text-3xl);
    font-weight: 600;
    color: var(--cf-text);
    line-height: 1;
}

.cf-stat-card .label {
    font-size: var(--cf-text-xs);
    color: var(--cf-text-secondary);
    margin-top: var(--cf-space-xs);
}

/* ===================================
   INFO BOXES
   =================================== */
.cf-info-box {
    background: var(--cf-bg);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-md);
    padding: var(--cf-space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--cf-space-sm);
}

.cf-info-box i {
    font-size: 20px;
    color: var(--cf-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.cf-info-box p {
    font-size: var(--cf-text-sm);
    color: var(--cf-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.cf-info-box strong {
    color: var(--cf-text);
}

.cf-info-box.warning {
    background: rgba(255,149,0,0.08);
    border-color: var(--cf-orange);
}
.cf-info-box.warning i { color: var(--cf-orange); }

.cf-info-box.success {
    background: rgba(52,199,89,0.08);
    border-color: var(--cf-green);
}
.cf-info-box.success i { color: var(--cf-green); }

.cf-info-box.error {
    background: rgba(255,59,48,0.08);
    border-color: var(--cf-red);
}
.cf-info-box.error i { color: var(--cf-red); }

/* ===================================
   BADGES
   =================================== */
.cf-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: var(--cf-text-xs);
    font-weight: 500;
    border-radius: var(--cf-radius-sm);
    background: var(--cf-bg);
    color: var(--cf-text-secondary);
}

.cf-badge.blue { background: rgba(0,122,255,0.1); color: var(--cf-blue); }
.cf-badge.green { background: rgba(52,199,89,0.1); color: var(--cf-green); }
.cf-badge.orange { background: rgba(255,149,0,0.1); color: var(--cf-orange); }
.cf-badge.red { background: rgba(255,59,48,0.1); color: var(--cf-red); }

/* ===================================
   TABLES
   =================================== */
.cf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--cf-text-sm);
}

.cf-table th {
    text-align: left;
    font-weight: 500;
    color: var(--cf-text-secondary);
    padding: var(--cf-space-sm) var(--cf-space-md);
    border-bottom: 1px solid var(--cf-border);
}

.cf-table td {
    padding: var(--cf-space-sm) var(--cf-space-md);
    border-bottom: 1px solid var(--cf-border);
    color: var(--cf-text);
}

.cf-table tr:hover td {
    background: var(--cf-bg);
}

/* ===================================
   EMPTY STATE
   =================================== */
.cf-empty-state {
    text-align: center;
    padding: var(--cf-space-3xl) var(--cf-space-lg);
}

.cf-empty-state i {
    font-size: 64px;
    color: var(--cf-text-disabled);
    margin-bottom: var(--cf-space-md);
}

.cf-empty-state h3 {
    font-size: var(--cf-text-lg);
    font-weight: 600;
    color: var(--cf-text);
    margin-bottom: var(--cf-space-xs);
}

.cf-empty-state p {
    font-size: var(--cf-text-sm);
    color: var(--cf-text-secondary);
    margin-bottom: var(--cf-space-lg);
}

/* ===================================
   FOOTER
   =================================== */
.cf-footer {
    text-align: center;
    padding: var(--cf-space-xl) var(--cf-space-lg);
    font-size: var(--cf-text-xs);
    color: var(--cf-text-secondary);
}

/* ===================================
   UTILITIES
   =================================== */
.cf-text-center { text-align: center; }
.cf-text-right { text-align: right; }
.cf-text-secondary { color: var(--cf-text-secondary); }
.cf-text-small { font-size: var(--cf-text-sm); }

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

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

.cf-flex { display: flex; }
.cf-flex-center { align-items: center; justify-content: center; }
.cf-flex-between { justify-content: space-between; }
.cf-gap-sm { gap: var(--cf-space-sm); }
.cf-gap-md { gap: var(--cf-space-md); }

/* ===================================
   TAB NAVIGATION
   =================================== */
.cf-tabs {
    display: flex;
    gap: var(--cf-space-xs);
    padding: var(--cf-space-sm) var(--cf-space-lg);
    background: var(--cf-surface);
    border-bottom: 1px solid var(--cf-border);
    overflow-x: auto;
}

.cf-tab {
    display: flex;
    align-items: center;
    gap: var(--cf-space-xs);
    padding: var(--cf-space-sm) var(--cf-space-md);
    font-size: var(--cf-text-sm);
    font-weight: 500;
    color: var(--cf-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--cf-radius-sm);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--cf-transition);
}

.cf-tab i {
    font-size: 16px;
}

.cf-tab:hover {
    background: var(--cf-bg);
    color: var(--cf-text);
}

.cf-tab.active {
    background: var(--cf-blue);
    color: white;
}

.cf-tab.active:hover {
    background: var(--cf-blue-dark);
}

.cf-tab-publish {
    margin-left: auto;
    background: var(--cf-purple);
    color: white;
}

.cf-tab-publish:hover {
    background: #9333EA;
    color: white;
}

/* ===================================
   CONTENT CONTAINER
   =================================== */
.cf-content-container {
    padding: var(--cf-space-lg);
    max-width: 100%;
}

/* ===================================
   MODALS
   =================================== */
.cf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cf-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.cf-modal-dialog {
    position: relative;
    background: var(--cf-surface);
    border-radius: var(--cf-radius-lg);
    box-shadow: var(--cf-shadow-lg);
    max-width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--cf-space-md) var(--cf-space-lg);
    border-bottom: 1px solid var(--cf-border);
}

.cf-modal-title {
    font-size: var(--cf-text-lg);
    font-weight: 600;
    margin: 0;
}

.cf-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--cf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cf-text-secondary);
}

.cf-modal-close:hover {
    background: var(--cf-bg);
    color: var(--cf-text);
}

.cf-modal-body {
    padding: var(--cf-space-lg);
    overflow-y: auto;
    flex: 1;
}

.cf-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--cf-space-sm);
    padding: var(--cf-space-md) var(--cf-space-lg);
    border-top: 1px solid var(--cf-border);
}

/* ===================================
   MEDIA GRID
   =================================== */
.cf-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--cf-space-md);
}

.cf-media-item {
    background: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--cf-transition);
}

.cf-media-item:hover {
    border-color: var(--cf-blue);
    box-shadow: var(--cf-shadow-md);
}

.cf-media-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.cf-media-icon {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cf-bg);
}

.cf-media-icon i {
    font-size: 40px;
    color: var(--cf-text-secondary);
}

.cf-media-info {
    padding: var(--cf-space-sm);
}

.cf-media-name {
    font-size: var(--cf-text-xs);
    color: var(--cf-text);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===================================
   LOADING SPINNER
   =================================== */
.cf-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--cf-space-3xl);
    color: var(--cf-text-secondary);
}

.cf-loading i {
    font-size: 32px;
    animation: cf-spin 1s linear infinite;
}

@keyframes cf-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===================================
   RESPONSIVE - TABLET
   =================================== */
@media (max-width: 1024px) {
    .cf-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   RESPONSIVE - MOBILE
   =================================== */
@media (max-width: 768px) {
    :root {
        --cf-space-lg: 20px;
        --cf-space-xl: 28px;
    }

    .cf-header {
        padding: var(--cf-space-sm) var(--cf-space-md);
    }

    .cf-main {
        padding: var(--cf-space-lg) var(--cf-space-md);
    }

    .cf-page-title {
        font-size: var(--cf-text-2xl);
    }

    .cf-stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cf-cards-grid {
        grid-template-columns: 1fr;
    }

    .cf-user-info {
        display: none;
    }

    .cf-feature-card {
        padding: var(--cf-space-md);
    }

    .cf-feature-icon {
        width: 40px;
        height: 40px;
    }

    .cf-feature-icon i {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .cf-header-logo h1 {
        font-size: var(--cf-text-base);
    }

    .cf-stats-grid {
        grid-template-columns: 1fr;
    }

    .cf-btn-block-mobile {
        display: flex;
        width: 100%;
    }
}

/* ===================================
   PRINT
   =================================== */
@media print {
    .cf-header,
    .cf-footer,
    .cf-btn {
        display: none;
    }

    body {
        background: white;
    }

    .cf-card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}