/* LabDAQ  —  Industrial Dark Theme
   Font stack: IBM Plex Mono (monospace data), IBM Plex Sans (UI labels)
   Palette:
     bg-base    #0b0e13
     bg-panel   #111620
     bg-card    #161d2e
     bg-raised  #1c2540
     border     #2a3558
     accent-blue  #3b82f6
     accent-cyan  #00d4ff
     accent-green #22c55e
     text-primary #e2e8f0
     text-muted   #64748b
     danger       #ef4444
     warning      #f59e0b
*/

* {
    font-family: "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
    font-size: 12px;
    color: #e2e8f0;
}

QMainWindow, QDialog {
    background-color: #0b0e13;
}

/* ── Toolbar ─────────────────────────────────────────────────── */
QToolBar#mainToolbar {
    background-color: #0b0e13;
    border-bottom: 1px solid #2a3558;
    padding: 4px 8px;
    spacing: 6px;
}

QPushButton#runButton {
    background-color: #166534;
    color: #dcfce7;
    border: 1px solid #22c55e;
    border-radius: 4px;
    padding: 5px 16px;
    font-family: "IBM Plex Mono", monospace;
    font-weight: 600;
    letter-spacing: 0.5px;
    min-width: 90px;
}
QPushButton#runButton:checked {
    background-color: #7f1d1d;
    border-color: #ef4444;
    color: #fee2e2;
}
QPushButton#runButton:hover { background-color: #15803d; }
QPushButton#runButton:checked:hover { background-color: #991b1b; }

QPushButton#logButton {
    background-color: #1c2540;
    color: #94a3b8;
    border: 1px solid #2a3558;
    border-radius: 4px;
    padding: 5px 14px;
    font-family: "IBM Plex Mono", monospace;
    min-width: 80px;
}
QPushButton#logButton:enabled {
    color: #e2e8f0;
    border-color: #3b82f6;
}
QPushButton#logButton:checked {
    background-color: #7c2d12;
    border-color: #ef4444;
    color: #fee2e2;
}

QPushButton#addDeviceButton {
    background-color: #1e3a5f;
    color: #93c5fd;
    border: 1px solid #3b82f6;
    border-radius: 4px;
    padding: 5px 14px;
}
QPushButton#addDeviceButton:hover {
    background-color: #1d4ed8;
    color: #eff6ff;
}

QLabel#timeLabel {
    font-family: "IBM Plex Mono", monospace;
    font-size: 16px;
    font-weight: 700;
    color: #00d4ff;
    letter-spacing: 2px;
    padding-right: 8px;
}

/* ── Panels & Headers ────────────────────────────────────────── */
QLabel#panelHeader {
    background-color: #0f1521;
    color: #64748b;
    font-family: "IBM Plex Mono", monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 0px;
    border-bottom: 1px solid #2a3558;
}

QWidget#alarmHeaderWidget {
    background-color: #0f1521;
    border-bottom: 1px solid #2a3558;
}

/* ── Device Cards ────────────────────────────────────────────── */
QScrollArea#deviceScroll {
    background-color: #0b0e13;
    border: none;
    border-right: 1px solid #2a3558;
}

QFrame#deviceCard {
    background-color: #161d2e;
    border: 1px solid #2a3558;
    border-radius: 6px;
}
QFrame#deviceCard:hover {
    border-color: #3b82f6;
    background-color: #1c2540;
}

QLabel#deviceIcon {
    font-size: 18px;
}
QLabel#deviceName {
    font-size: 13px;
    font-weight: 600;
    color: #e2e8f0;
}
QLabel#deviceSub {
    font-family: "IBM Plex Mono", monospace;
    font-size: 10px;
    color: #64748b;
}
QLabel#deviceChannelCount {
    font-size: 11px;
    color: #3b82f6;
}

QPushButton#configButton {
    background-color: #1c2540;
    color: #64748b;
    border: 1px solid #2a3558;
    border-radius: 3px;
    padding: 3px 10px;
    font-size: 11px;
}
QPushButton#configButton:hover {
    background-color: #1e3a5f;
    color: #93c5fd;
    border-color: #3b82f6;
}

/* ── Channel Readouts ────────────────────────────────────────── */
QFrame#channelReadout {
    background-color: #161d2e;
    border: 1px solid #1c2540;
    border-radius: 4px;
}
QFrame#channelReadout[alarm="true"] {
    border-color: #ef4444;
    background-color: #200d0d;
}
QLabel#readoutName {
    font-size: 11px;
    color: #64748b;
}
QLabel#readoutValue {
    font-family: "IBM Plex Mono", monospace;
    font-size: 15px;
    font-weight: 700;
}
QLabel#readoutUnit {
    font-family: "IBM Plex Mono", monospace;
    font-size: 10px;
    color: #475569;
}
QProgressBar#readoutBar {
    background-color: #1c2540;
    border: none;
    border-radius: 2px;
}

/* ── Alarm Panel ─────────────────────────────────────────────── */
QFrame#alarmEntry {
    background-color: #161d2e;
    border-radius: 3px;
    border: none;
}
QLabel#alarmMsg {
    font-family: "IBM Plex Mono", monospace;
    font-size: 11px;
    color: #e2e8f0;
}
QLabel#alarmTs {
    font-family: "IBM Plex Mono", monospace;
    font-size: 10px;
    color: #475569;
}
QPushButton#clearAlarmsBtn {
    background: transparent;
    color: #64748b;
    border: none;
    font-size: 11px;
    padding: 4px 8px;
}
QPushButton#clearAlarmsBtn:hover { color: #ef4444; }

/* ── Strip Chart controls ────────────────────────────────────── */
QPushButton#pauseButton {
    background-color: #1c2540;
    color: #64748b;
    border: 1px solid #2a3558;
    border-radius: 4px;
    padding: 4px 12px;
}
QPushButton#pauseButton:checked {
    background-color: #713f12;
    border-color: #f59e0b;
    color: #fef3c7;
}

/* ── Config / Dialog ─────────────────────────────────────────── */
QDialog {
    background-color: #111620;
}
QTabWidget::pane {
    background-color: #111620;
    border: 1px solid #2a3558;
    border-radius: 4px;
}
QTabBar::tab {
    background-color: #0b0e13;
    color: #64748b;
    border: 1px solid #2a3558;
    padding: 6px 16px;
    margin-right: 2px;
}
QTabBar::tab:selected {
    background-color: #1c2540;
    color: #e2e8f0;
    border-bottom: 2px solid #3b82f6;
}

QGroupBox {
    border: 1px solid #2a3558;
    border-radius: 4px;
    margin-top: 12px;
    padding-top: 8px;
    color: #64748b;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
QGroupBox::title {
    subcontrol-origin: margin;
    left: 8px;
    top: -6px;
    background-color: #111620;
    padding: 0 4px;
}

QLineEdit, QDoubleSpinBox, QSpinBox, QComboBox {
    background-color: #0b0e13;
    border: 1px solid #2a3558;
    border-radius: 3px;
    padding: 4px 8px;
    color: #e2e8f0;
    font-family: "IBM Plex Mono", monospace;
    min-height: 22px;
}
QLineEdit:focus, QDoubleSpinBox:focus, QSpinBox:focus, QComboBox:focus {
    border-color: #3b82f6;
}
QComboBox::drop-down { border: none; width: 20px; }
QComboBox QAbstractItemView {
    background-color: #161d2e;
    border: 1px solid #3b82f6;
    selection-background-color: #1e3a5f;
}

QCheckBox {
    color: #94a3b8;
    spacing: 6px;
}
QCheckBox::indicator {
    width: 14px; height: 14px;
    border: 1px solid #2a3558;
    border-radius: 3px;
    background-color: #0b0e13;
}
QCheckBox::indicator:checked {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

QPushButton#applyButton {
    background-color: #1e3a5f;
    color: #93c5fd;
    border: 1px solid #3b82f6;
    border-radius: 4px;
    padding: 6px 20px;
    font-weight: 600;
}
QPushButton#applyButton:hover {
    background-color: #1d4ed8;
    color: #eff6ff;
}

/* ── Digital output toggle ───────────────────────────────────── */
QPushButton#digitalOutBtn {
    background-color: #1c2540;
    color: #64748b;
    border: 1px solid #2a3558;
    border-radius: 4px;
    padding: 4px 14px;
    font-family: "IBM Plex Mono", monospace;
    min-width: 50px;
}
QPushButton#digitalOutBtn:checked {
    background-color: #166534;
    border-color: #22c55e;
    color: #dcfce7;
}

/* ── Scrollbars ──────────────────────────────────────────────── */
QScrollBar:vertical {
    background: #0b0e13;
    width: 6px;
    margin: 0;
}
QScrollBar::handle:vertical {
    background: #2a3558;
    border-radius: 3px;
    min-height: 20px;
}
QScrollBar::handle:vertical:hover { background: #3b82f6; }
QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height: 0; }
QScrollBar:horizontal { height: 6px; background: #0b0e13; }
QScrollBar::handle:horizontal { background: #2a3558; border-radius: 3px; min-width: 20px; }

/* ── Splitter ────────────────────────────────────────────────── */
QSplitter::handle {
    background-color: #2a3558;
}
QSplitter::handle:hover {
    background-color: #3b82f6;
}

/* ── Status bar ──────────────────────────────────────────────── */
QStatusBar {
    background-color: #0b0e13;
    border-top: 1px solid #2a3558;
    color: #475569;
    font-family: "IBM Plex Mono", monospace;
    font-size: 11px;
}

/* ── General button default ──────────────────────────────────── */
QPushButton {
    background-color: #1c2540;
    color: #94a3b8;
    border: 1px solid #2a3558;
    border-radius: 4px;
    padding: 5px 12px;
}
QPushButton:hover { background-color: #1e3a5f; color: #e2e8f0; }
QPushButton:pressed { background-color: #172554; }
QPushButton:disabled { color: #334155; border-color: #1c2540; }

QLabel { color: #94a3b8; }