LIGHT_THEME = """
/* Globale Variablen und Basis-Styles */
* {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* Hauptfenster */
QMainWindow {
    background-color: #f8f9fa;
    color: #212529;
}

QMainWindow > QWidget {
    background-color: #f8f9fa;
}

/* Widget Hintergründe */
QWidget {
    background-color: transparent;
    color: #212529;
}

/* App Header */
QWidget#appHeader {
    background-color: transparent;
    padding-bottom: 20px;
}

/* Überschriften */
QLabel#heading {
    font-family: 'Poppins', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: #212529 !important;
    letter-spacing: -0.5px;
    background-color: transparent;
}

QLabel#subheading {
    font-size: 16px;
    color: #6c757d;
    margin-top: -5px;
}

QLabel#sectionTitle {
    font-size: 18px;
    font-weight: 600;
    color: #212529;
    margin-bottom: 10px;
}

QLabel#inputLabel {
    font-size: 14px;
    font-weight: 600;
    color: #495057;
    margin-bottom: 4px;
}

/* Content Card - Hauptcontainer */
QWidget#contentCard {
    background-color: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 32px;
}

/* Tabellen-Style */
QTableWidget#dataTable {
    background-color: transparent;
    border: none;
    outline: none;
}

QTableWidget#dataTable::item {
    background-color: transparent;
    color: #495057;
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid #e9ecef;
}

QTableWidget#dataTable::item:selected {
    background-color: transparent;
}

/* Eingabefelder */
QLineEdit {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: 8px;
    padding: 12px 16px;
    color: #212529;
    font-size: 14px;
    min-height: 24px;
}

QLineEdit:focus {
    border-color: #00D4FF;
    background-color: #ffffff;
    outline: none;
}

QLineEdit::placeholder {
    color: #adb5bd;
}

/* Buttons */
QPushButton {
    background-color: #ffffff;
    color: #212529;
    border: 1px solid #ced4da;
    border-radius: 24px;
    padding: 0 24px;
    min-height: 40px;
    font-size: 14px;
    font-weight: 600;
}

QPushButton:hover {
    background-color: #f8f9fa;
    border-color: #00D4FF;
}

QPushButton:pressed {
    background-color: #e9ecef;
}
QPushButton:disabled {
    background-color: #f8f9fa;
    color: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Primary Button */
QPushButton#primaryButton {
    background-color: #00D4FF;
    color: #212529;
    border: none;
}

QPushButton#primaryButton:hover {
    background-color: #00B8E6;
    color: #ffffff;
}

QPushButton#primaryButton:pressed {
    background-color: #0099CC;
}

QPushButton#primaryButton:disabled {
    background-color: #e9ecef;
    color: #adb5bd;
}

/* Mode Toggle Button */
QPushButton#modeToggle {
    background-color: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: 20px;
    padding: 8px;
    min-width: 40px;
    min-height: 40px;
    max-width: 40px;
    max-height: 40px;
}

QPushButton#modeToggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

/* CheckBox */
QCheckBox {
    spacing: 10px;
    color: #212529;
    font-size: 14px;
    padding: 4px 0;
}

QCheckBox::indicator {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid #adb5bd;
    background-color: #ffffff;
}

QCheckBox::indicator:hover {
    border: 2px solid #6c757d;
    background-color: #f8f9fa;
}

QCheckBox::indicator:checked {
    background-color: #00D4FF;
    border: 2px solid #00D4FF;
    image: url(./src/resources/icons/check.svg);
    padding: 2px;
}

/* SpinBox */
QSpinBox {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: 8px;
    padding: 8px 12px;
    color: #212529;
    font-size: 14px;
    min-width: 60px;
}

QSpinBox:focus {
    border-color: #00D4FF;
    background-color: #ffffff;
}

QSpinBox::up-button, QSpinBox::down-button {
    background-color: transparent;
    border: none;
    width: 20px;
}

QSpinBox::up-button:hover, QSpinBox::down-button:hover {
    background-color: rgba(0, 212, 255, 0.1);
}

QSpinBox::up-arrow, QSpinBox::down-arrow {
    image: none;
    width: 0;
    height: 0;
}

/* Progress Bar */
QProgressBar {
    background-color: #e9ecef;
    border: none;
    border-radius: 6px;
    height: 12px;
    text-align: center;
    font-size: 12px;
    color: #212529;
}

QProgressBar::chunk {
    background: linear-gradient(90deg, #00D4FF 0%, #00B8E6 100%);
    border-radius: 6px;
}

/* Text Edit für Status */
QTextEdit#statusLog {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 12px;
    color: #495057;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 13px;
}

/* Scrollbar */
QScrollBar:vertical {
    background-color: transparent;
    width: 10px;
    border-radius: 5px;
}

QScrollBar::handle:vertical {
    background-color: #ced4da;
    border-radius: 5px;
    min-height: 30px;
}

QScrollBar::handle:vertical:hover {
    background-color: #adb5bd;
}

QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {
    height: 0;
}

/* Frame Separator */
QFrame#separator {
    background-color: #e9ecef;
    max-height: 1px;
    margin: 20px 0;
}

/* Status Bar */
QStatusBar {
    background-color: #f8f9fa;
    color: #6c757d;
    border-top: 1px solid #e9ecef;
    font-size: 13px;
    padding: 4px;
}

/* Message Box */
QMessageBox {
    background-color: #ffffff;
    color: #212529;
}

QMessageBox QPushButton {
    min-width: 80px;
}

/* ComboBox */
QComboBox {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: 8px;
    padding: 10px 16px;
    color: #212529;
    font-size: 14px;
}

QComboBox:hover {
    border-color: #00D4FF;
}

QComboBox::drop-down {
    border: none;
    width: 24px;
}

QComboBox::down-arrow {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 6px 4px 0 4px;
    border-color: #00D4FF transparent transparent transparent;
}

QComboBox QAbstractItemView {
    background-color: #ffffff;
    border: 1px solid #ced4da;
    selection-background-color: #e3f2fd;
    color: #212529;
}

/* Tool Tips */
QToolTip {
    background-color: #212529;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 13px;
}
"""