theme.py

"""
Minimalist & Professional Theme for PrivaDICOM
Focuses on typography, spacing, and strict flat solid colors. No gradients.
"""

# Color Palette - Zinc & Teal (Ultra Clean Flat)
COLORS = {
    # Zinc Darkness
    'bg_surface': '#09090b',    # Main background
    'bg_base': '#18181b',       # Card background
    'bg_elevated': '#27272a',   # Elevated/hover
    'bg_highlight': '#3f3f46',  # Active states
    
    # Text
    'text_primary': '#fafafa',
    'text_secondary': '#a1a1aa',
    'text_muted': '#52525b',
    
    # Strictly Solid Accents (Teal / Emerald)
    'accent_teal': '#14b8a6',
    'accent_teal_hover': '#0d9488',
    'accent_emerald': '#10b981',
    'accent_danger': '#ef4444',
    
    # Borders
    'border_faint': '#27272a',
    'border_focus': '#14b8a6',
}

# Main Application Stylesheet (No Gradients, Pure Flat)
MAIN_STYLESHEET = f"""
/* ===== GLOBAL ===== */
QMainWindow, QDialog {{
    background-color: {COLORS['bg_surface']};
    color: {COLORS['text_primary']};
}}

QWidget {{
    font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
    font-size: 10pt;
}}

/* ===== LABELS ===== */
QLabel {{
    color: {COLORS['text_primary']};
}}

QLabel[class="header"] {{
    font-size: 16pt;
    font-weight: 600;
    color: {COLORS['text_primary']};
    letter-spacing: 0.5px;
}}

QLabel[class="subtitle"] {{
    font-size: 10pt;
    color: {COLORS['text_secondary']};
    font-weight: 400;
}}

/* ===== BUTTONS ===== */
QPushButton {{
    background-color: {COLORS['bg_base']};
    color: {COLORS['text_primary']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 500;
}}

QPushButton:hover {{
    background-color: {COLORS['bg_elevated']};
    border: 1px solid {COLORS['accent_teal']};
    color: {COLORS['accent_teal']};
}}

QPushButton:pressed {{
    background-color: {COLORS['bg_highlight']};
}}

QPushButton:disabled {{
    background-color: {COLORS['bg_surface']};
    color: {COLORS['text_muted']};
    border: 1px dashed {COLORS['border_faint']};
}}

QPushButton[class="primary"] {{
    background-color: {COLORS['accent_teal']};
    color: #ffffff;
    border: none;
}}
QPushButton[class="primary"]:hover {{
    background-color: {COLORS['accent_teal_hover']};
    color: #ffffff;
}}

QPushButton[class="success"] {{
    background-color: {COLORS['accent_emerald']};
    color: #ffffff;
    border: none;
}}

QPushButton[class="danger"] {{
    background-color: transparent;
    color: {COLORS['accent_danger']};
    border: 1px solid {COLORS['accent_danger']};
}}
QPushButton[class="danger"]:hover {{
    background-color: {COLORS['accent_danger']};
    color: #ffffff;
}}

/* ===== GROUP BOX ===== */
QGroupBox {{
    background-color: {COLORS['bg_base']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 8px;
    margin-top: 14px;
    padding: 16px;
    padding-top: 24px;
}}

QGroupBox::title {{
    subcontrol-origin: margin;
    subcontrol-position: top left;
    left: 12px;
    top: 4px;
    padding: 0px 4px;
    background-color: transparent;
    color: {COLORS['accent_teal']};
    font-weight: 600;
    font-size: 10pt;
}}

/* ===== PROGRESS BAR ===== */
QProgressBar {{
    background-color: {COLORS['bg_surface']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 4px;
    height: 12px;
    text-align: right;
    color: transparent;
}}

QProgressBar::chunk {{
    background-color: {COLORS['accent_teal']};
    border-radius: 3px;
}}

/* ===== TAB WIDGET ===== */
QTabWidget::pane {{
    background-color: {COLORS['bg_base']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 8px;
    margin-top: -1px;
}}

QTabBar::tab {{
    background-color: transparent;
    color: {COLORS['text_secondary']};
    border: none;
    padding: 10px 18px;
    font-weight: 500;
}}

QTabBar::tab:selected {{
    color: {COLORS['text_primary']};
    border-bottom: 2px solid {COLORS['accent_teal']};
}}

QTabBar::tab:hover:!selected {{
    color: {COLORS['text_primary']};
    background-color: {COLORS['bg_base']};
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}}

/* ===== TEXT INPUT ===== */
QTextEdit, QLineEdit, QPlainTextEdit {{
    background-color: {COLORS['bg_surface']};
    color: {COLORS['text_primary']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 6px;
    padding: 8px;
    selection-background-color: {COLORS['accent_teal']};
}}

QTextEdit:focus, QLineEdit:focus {{
    border: 1px solid {COLORS['accent_teal']};
}}

/* ===== CHECKBOX (FLAT & SHARP) ===== */
QCheckBox {{
    color: {COLORS['text_primary']};
    spacing: 10px;
    font-weight: 400;
}}

QCheckBox::indicator {{
    width: 16px;
    height: 16px;
    border: 1px solid {COLORS['text_muted']};
    border-radius: 4px;
    background-color: {COLORS['bg_surface']};
}}

QCheckBox::indicator:hover {{
    border: 1px solid {COLORS['accent_teal']};
}}

QCheckBox::indicator:checked {{
    background-color: {COLORS['accent_teal']};
    border: 1px solid {COLORS['accent_teal']};
    image: url(nothing);
}}

/* ===== RADIO BUTTON ===== */
QRadioButton::indicator {{
    width: 16px;
    height: 16px;
    border: 1px solid {COLORS['text_muted']};
    border-radius: 8px;
    background-color: {COLORS['bg_surface']};
}}
QRadioButton::indicator:checked {{
    background-color: {COLORS['accent_teal']};
    border: 1px solid {COLORS['accent_teal']};
}}

/* ===== COMBO BOX ===== */
QComboBox {{
    background-color: {COLORS['bg_surface']};
    color: {COLORS['text_primary']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 6px;
    padding: 6px 12px;
}}

QComboBox:hover {{
    border: 1px solid {COLORS['accent_teal']};
}}

QComboBox::drop-down {{
    border: none;
    width: 28px;
}}

QComboBox QAbstractItemView {{
    background-color: {COLORS['bg_elevated']};
    color: {COLORS['text_primary']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 4px;
    selection-background-color: {COLORS['accent_teal']};
}}

/* ===== SLIDER ===== */
QSlider::groove:horizontal {{
    background-color: {COLORS['bg_surface']};
    height: 4px;
    border-radius: 2px;
}}
QSlider::handle:horizontal {{
    background-color: {COLORS['accent_teal']};
    width: 14px;
    height: 14px;
    margin: -5px 0;
    border-radius: 7px;
}}
QSlider::sub-page:horizontal {{
    background-color: {COLORS['accent_teal_hover']};
    border-radius: 2px;
}}

/* ===== TABLE ===== */
QTableWidget {{
    background-color: {COLORS['bg_base']};
    color: {COLORS['text_primary']};
    border: 1px solid {COLORS['border_faint']};
    border-radius: 8px;
    gridline-color: transparent;
    selection-background-color: {COLORS['bg_highlight']};
}}

QTableWidget::item {{
    padding: 4px 8px;
    border-bottom: 1px solid {COLORS['bg_surface']};
}}

QHeaderView::section {{
    background-color: {COLORS['bg_surface']};
    color: {COLORS['text_secondary']};
    padding: 12px;
    border: none;
    border-bottom: 1px solid {COLORS['border_faint']};
    font-weight: 600;
    font-size: 8pt;
    text-transform: uppercase;
}}

/* ===== LIST WIDGET ===== */
QListWidget {{
    background-color: transparent;
    color: {COLORS['text_primary']};
    border: none;
}}
QListWidget::item {{
    background-color: {COLORS['bg_base']};
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 4px;
}}
QListWidget::item:hover {{
    background-color: {COLORS['bg_elevated']};
}}
QListWidget::item:selected {{
    background-color: {COLORS['bg_highlight']};
    color: {COLORS['accent_teal']};
}}

/* ===== SCROLL BAR ===== */
QScrollBar:vertical {{
    background: transparent;
    width: 8px;
    margin: 0px;
}}

QScrollBar::handle:vertical {{
    background-color: {COLORS['bg_highlight']};
    border-radius: 4px;
    min-height: 24px;
}}

QScrollBar::handle:vertical:hover {{
    background-color: {COLORS['text_muted']};
}}

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

/* ===== SPLITTER ===== */
QSplitter::handle {{
    background-color: {COLORS['bg_surface']};
}}
QSplitter::handle:horizontal {{
    width: 1px;
}}

/* ===== MESSAGE BOX ===== */
QMessageBox {{
    background-color: {COLORS['bg_base']};
}}
QMessageBox QLabel {{
    color: {COLORS['text_primary']};
}}
QMessageBox QPushButton {{
    min-width: 80px;
}}
"""

# Special Button Styles (Solid completely)
START_BUTTON_STYLE = f"""
    QPushButton {{
        background-color: {COLORS['accent_emerald']};
        color: #ffffff;
        border: none;
        border-radius: 8px;
        font-size: 12pt;
        font-weight: 600;
        padding: 14px 28px;
    }}
    QPushButton:hover {{
        background-color: #059669;
    }}
    QPushButton:pressed {{
        background-color: #047857;
    }}
    QPushButton:disabled {{
        background-color: {COLORS['bg_surface']};
        color: {COLORS['text_muted']};
        border: 1px dashed {COLORS['border_faint']};
    }}
"""

HEADER_STYLE = f"""
    QFrame {{
        background-color: {COLORS['bg_base']};
        border-bottom: 1px solid {COLORS['border_faint']};
        padding: 16px;
    }}
"""