/* Theme-related styles */

/* Light theme */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --border-color: #e5e7eb;
    --primary-color: #85E1E6;
    --primary-hover: #6BCFD4;
    --primary-light: #E6F7F8;
    --primary-dark: #4BB5BC;
}

/* Dark theme */
.dark {
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #374151;
    --primary-color: #85E1E6;
    --primary-hover: #6BCFD4;
    --primary-light: #2A4A4C;
    --primary-dark: #4BB5BC;
}

/* Theme transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Theme toggle icons */
.theme-icon {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-icon.hidden {
    opacity: 0;
    transform: scale(0.8);
}

.theme-icon:not(.hidden) {
    opacity: 1;
    transform: scale(1);
}

/* Preview container themes */
#mermaid-preview {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Editor container themes */
#code-editor-container {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

#editor-header {
    border-color: var(--border-color);
    background-color: var(--primary-light);
}

/* Button themes */
button {
    color: var(--text-secondary);
}

button:hover {
    background-color: var(--bg-secondary);
}

/* Primary buttons */
button.primary {
    background-color: var(--primary-color);
    color: white;
}

button.primary:hover {
    background-color: var(--primary-hover);
}

/* Export button themes */
#export-btn {
    background-color: var(--primary-color);
    color: white;
}

#export-btn:hover {
    background-color: var(--primary-hover);
}

/* Toast themes */
.toast {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* Header accent */
header {
    border-bottom: 2px solid var(--primary-color);
}

/* Active elements */
.active {
    color: var(--primary-color);
}

/* Focus states */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background-color: var(--primary-light);
    color: var(--text-primary);
}