rss-news/utils/css_loader.py
2025-08-18 10:33:27 +02:00

367 lines
No EOL
8.8 KiB
Python

# utils/css_loader.py
import streamlit as st
import os
from pathlib import Path
def load_css():
"""
Lädt die zentrale CSS-Datei und injiziert sie in die Streamlit-App
"""
try:
# Pfad zur CSS-Datei bestimmen
css_file = Path(__file__).parent.parent / "static" / "styles.css"
if css_file.exists():
with open(css_file, "r", encoding="utf-8") as f:
css_content = f.read()
# CSS in Streamlit injizieren
st.markdown(f"""
<style>
{css_content}
</style>
""", unsafe_allow_html=True)
return True
else:
# Fallback: CSS-Datei erstellen
create_css_file()
return load_css() # Rekursiver Aufruf nach Erstellung
except Exception as e:
st.error(f"Fehler beim Laden der CSS-Datei: {e}")
return False
def create_css_file():
"""
Erstellt die CSS-Datei falls sie nicht existiert
"""
css_content = """/* ===============================================
RSS Feed Manager - Zentrale CSS-Datei
Dark-Mode optimiert mit Fallbacks
=============================================== */
/* === ROOT VARIABLEN === */
:root {
/* Dark Mode Farbpalette */
--bg-primary: #1e1e1e;
--bg-secondary: #2d2d30;
--bg-card: #2d2d30;
--bg-header: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
--bg-filter: #363636;
/* Text Farben */
--text-primary: #ffffff;
--text-secondary: #b0b0b0;
--text-muted: #888888;
--text-accent: #667eea;
/* Status Farben */
--status-new: #2196f3;
--status-new-bg: #1565c0;
--status-rewrite: #ff9800;
--status-rewrite-bg: #ef6c00;
--status-process: #9c27b0;
--status-process-bg: #6a1b9a;
--status-online: #4caf50;
--status-online-bg: #2e7d32;
--status-hold: #e91e63;
--status-hold-bg: #ad1457;
--status-trash: #f44336;
--status-trash-bg: #c62828;
--status-wp-pending: #00bcd4;
--status-wp-pending-bg: #0097a7;
/* Borders & Shadows */
--border-color: #404040;
--shadow-light: 0 2px 8px rgba(0, 0, 0, 0.3);
--shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.4);
/* Accent Colors */
--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
/* === LIGHT MODE FALLBACKS === */
[data-theme="light"], .stApp[data-theme="light"] {
--bg-primary: #ffffff;
--bg-secondary: #f8f9fa;
--bg-card: #ffffff;
--bg-filter: #f0f2f6;
--text-primary: #212529;
--text-secondary: #495057;
--text-muted: #6c757d;
--text-accent: #667eea;
--border-color: #dee2e6;
--shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
--shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
}
/* === HAUPTCONTAINER === */
.main-header {
background: var(--bg-header);
padding: 2rem;
border-radius: 12px;
margin-bottom: 2rem;
color: var(--text-primary);
text-align: center;
box-shadow: var(--shadow-light);
}
.main-header h1 {
color: var(--text-primary) !important;
margin: 0 0 0.5rem 0;
font-size: 2.5rem;
font-weight: 700;
}
.main-header p {
color: rgba(255, 255, 255, 0.9) !important;
margin: 0;
font-size: 1.1rem;
}
/* === ARTIKEL CARDS === */
.article-card {
background: var(--bg-card) !important;
border-radius: 12px;
padding: 1.5rem;
margin-bottom: 1rem;
box-shadow: var(--shadow-light);
border-left: 4px solid var(--text-accent);
border: 1px solid var(--border-color);
transition: all 0.3s ease;
color: var(--text-primary) !important;
}
.article-card:hover {
transform: translateY(-2px);
box-shadow: var(--shadow-hover);
border-color: var(--text-accent);
}
.article-card h3,
.article-card .article-title {
color: var(--text-primary) !important;
margin: 0 0 0.5rem 0;
font-size: 1.2rem;
font-weight: 600;
line-height: 1.4;
}
.article-card .article-meta {
color: var(--text-secondary) !important;
font-size: 0.9rem;
margin-bottom: 1rem;
}
.article-card .article-summary {
color: var(--text-secondary) !important;
line-height: 1.5;
margin-bottom: 1rem;
}
.article-card .article-footer {
color: var(--text-muted) !important;
font-size: 0.85rem;
display: flex;
justify-content: space-between;
align-items: center;
}
/* === STATUS BADGES === */
.status-badge {
padding: 0.3rem 0.8rem;
border-radius: 20px;
font-size: 0.8rem;
font-weight: 600;
margin-right: 0.5rem;
display: inline-block;
color: white !important;
}
.status-new {
background-color: var(--status-new-bg) !important;
color: white !important;
}
.status-rewrite {
background-color: var(--status-rewrite-bg) !important;
color: white !important;
}
.status-process {
background-color: var(--status-process-bg) !important;
color: white !important;
}
.status-online {
background-color: var(--status-online-bg) !important;
color: white !important;
}
.status-hold {
background-color: var(--status-hold-bg) !important;
color: white !important;
}
.status-trash {
background-color: var(--status-trash-bg) !important;
color: white !important;
}
.status-wp-pending {
background-color: var(--status-wp-pending-bg) !important;
color: white !important;
}
/* === FILTER SECTION === */
.filter-section {
background: var(--bg-filter) !important;
padding: 1.5rem;
border-radius: 12px;
margin-bottom: 2rem;
border: 1px solid var(--border-color);
box-shadow: var(--shadow-light);
}
.filter-section h3 {
color: var(--text-primary) !important;
margin: 0 0 1rem 0;
font-size: 1.3rem;
font-weight: 600;
}
/* === STATS CARDS === */
.stats-card {
background: var(--bg-card) !important;
padding: 1.5rem;
border-radius: 12px;
text-align: center;
box-shadow: var(--shadow-light);
border: 1px solid var(--border-color);
transition: transform 0.2s ease;
}
.stats-card:hover {
transform: translateY(-2px);
}
.stats-number {
font-size: 2.5rem;
font-weight: 700;
color: var(--text-accent) !important;
margin-bottom: 0.5rem;
display: block;
}
.stats-card div:last-child {
color: var(--text-secondary) !important;
font-weight: 500;
font-size: 1rem;
}
/* === WORDPRESS STATUS === */
.wp-status {
background: var(--bg-card) !important;
padding: 1rem;
border-radius: 8px;
margin: 1rem 0;
border-left: 4px solid var(--status-wp-pending);
border: 1px solid var(--border-color);
box-shadow: var(--shadow-light);
}
.wp-status strong {
color: var(--text-primary) !important;
}
.wp-status small {
color: var(--text-muted) !important;
}
/* === BUTTONS & ACTIONS === */
.stButton > button {
background: var(--gradient-primary) !important;
color: white !important;
border: none !important;
border-radius: 8px !important;
font-weight: 600 !important;
transition: all 0.2s ease !important;
}
.stButton > button:hover {
transform: translateY(-1px) !important;
box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4) !important;
}
/* === SELECTBOX & INPUT OVERRIDES === */
.stSelectbox > div > div {
background-color: var(--bg-card) !important;
color: var(--text-primary) !important;
border: 1px solid var(--border-color) !important;
}
.stTextInput > div > div > input {
background-color: var(--bg-card) !important;
color: var(--text-primary) !important;
border: 1px solid var(--border-color) !important;
}
/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
.main-header {
padding: 1.5rem;
}
.main-header h1 {
font-size: 2rem;
}
.article-card {
padding: 1rem;
}
.stats-card {
padding: 1rem;
}
.stats-number {
font-size: 2rem;
}
}
"""
try:
# Static-Ordner erstellen falls nicht vorhanden
static_dir = Path(__file__).parent.parent / "static"
static_dir.mkdir(exist_ok=True)
# CSS-Datei schreiben
css_file = static_dir / "styles.css"
with open(css_file, "w", encoding="utf-8") as f:
f.write(css_content)
return True
except Exception as e:
st.error(f"Fehler beim Erstellen der CSS-Datei: {e}")
return False
def apply_dark_theme():
"""
Wendet das Dark Theme an (zusätzlich zur CSS-Datei)
"""
st.markdown("""
<script>
// Dark Theme Detection und Anwendung
const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
if (prefersDark) {
document.documentElement.setAttribute('data-theme', 'dark');
} else {
document.documentElement.setAttribute('data-theme', 'light');
}
</script>
""", unsafe_allow_html=True)