/* CSS Variables */
:root {
    --primary-color: #007bff;
    --primary-color-rgb: 0, 123, 255;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #ffffff;
    --bg-input: #ffffff;
    --bg-button-secondary: #e9ecef;
    --bg-toast: #333333;
    --bg-toast-error: #dc3545;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-toast: #ffffff;
    --border-color: #dee2e6;
    --status-idle: #6c757d;
    --status-thinking: #ffc107;
    --status-done: #28a745;
    --error-color: #dc3545;
    --highlight-color: rgba(0, 123, 255, 0.1);
    --tooltip-bg: rgba(0, 0, 0, 0.8);
    --tooltip-text: #ffffff;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #212529;
    --bg-secondary: #343a40;
    --bg-tertiary: #2b3035;
    --bg-input: #1a1d20;
    --bg-button-secondary: #495057;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --tooltip-bg: rgba(255, 255, 255, 0.9);
    --tooltip-text: #000000;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    margin: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Header Styles */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-right {
    display: flex;
    gap: 0.5rem;
}

/* Main Content */
.app-main {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
}

.content-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes highlight {
    0% { background-color: var(--highlight-color); }
    100% { background-color: transparent; }
}

/* Touch Interactions */
@media (hover: none) {
    .btn-icon:active {
        background-color: var(--bg-button-secondary);
    }
    
    .section-header:active {
        background-color: var(--bg-tertiary);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        font-size: 16px;
        height: 100%;
        overflow: hidden;
    }

    body {
        height: 100%;
        overflow: hidden;
    }

    .app-header {
        padding: 0.5rem;
    }

    .app-header h1 {
        font-size: 1.25rem;
    }

    .header-right {
        gap: 0.25rem;
    }

    .btn-icon {
        padding: 0.75rem;
    }
}