/* Professional Theme - MIT Academic Style */

/* Import Google Sans Code and Yrsa fonts */
@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Code:wght@500&family=Yrsa:wght@400;500;600&display=swap');

/* Professional mode color scheme */
.mode-professional {
    --primary-color: #a31f34;
    --background-color: #f5f5f5;
    --container-bg: white;
    --text-color: #333;
    --text-color-muted: #666;
    --border-color: #eee;
    --border-color-dark: #ddd;
    --border-color-darker: #ccc;
    --hover-bg: #f9f9f9;
    --error-bg: #ffe6e6;
    --error-color: #cc0000;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --font-family-header: "Google Sans Code", "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", "Source Code Pro", monospace;
}

/* Apply professional theme */
.mode-professional {
    font-family: "Yrsa", "Times New Roman", Times, serif !important;
}

.mode-professional body {
    background-color: var(--background-color);
    font-family: "Yrsa", "Times New Roman", Times, serif !important;
}

.mode-professional .container {
    background-color: var(--container-bg);
}


.mode-professional .title {
    color: var(--primary-color);
    font-family: var(--font-family-header);
}

.mode-professional .nav a {
    color: var(--primary-color);
    background: var(--container-bg);
    border: 2px solid var(--border-color-dark);
    border-radius: 5px;
    padding: 5px 10px;
    margin: 0 5px;
    display: inline-block;
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-family-header);
    transition: all 0.3s ease;
}

.mode-professional .nav a:hover {
    background: var(--primary-color);
    color: var(--container-bg);
    border-color: var(--primary-color);
}

.mode-professional .title-box-left,
.mode-professional .title-box-right {
    font-family: var(--font-family-header);
    font-weight: 500;
    color: var(--primary-color);
}

.mode-professional .semester-title {
    color: #000;
    font-family: var(--font-family-header);
    font-weight: 500;
}

.mode-professional .semester-description {
    color: var(--text-color);
}

.mode-professional .meeting-info {
    color: var(--text-color);
}

.mode-professional .calendar-link {
    color: var(--primary-color);
}

.mode-professional .calendar-link:hover {
    text-decoration: underline;
}

.mode-professional .talk {
    border-color: var(--border-color);
    background-color: var(--container-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.mode-professional .talk:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(163, 31, 52, 0.15);
}

.mode-professional .talk-date {
    color: var(--primary-color);
    font-family: var(--font-family-header);
    font-weight: 500;
}

.mode-professional .talk-title {
    color: #000000;
    font-family: var(--font-family-header);
    font-weight: 600;
}

.mode-professional .talk-speaker {
    color: #666666;
    font-family: var(--font-family-header);
    font-weight: 500;
}

.mode-professional .talk-affiliation {
    color: #666666;
}

.mode-professional .talk-expand-indicator {
    color: var(--primary-color);
    opacity: 0.6;
}

.mode-professional .talk-title:hover .talk-expand-indicator {
    /* Hover effects removed - keeping original styling */
}

.mode-professional .talk-abstract {
    background-color: var(--hover-bg);
    border: none;
}

.mode-professional .talk-abstract-content {
    color: var(--text-color);
}

.mode-professional .talk-abstract-content::first-letter {
    color: var(--primary-color);
}

.mode-professional .past-semester {
    border-color: var(--border-color-dark);
    background-color: var(--hover-bg);
}

.mode-professional .past-semester h3 {
    color: var(--primary-color);
    font-family: var(--font-family-header);
    font-weight: 500;
}

.mode-professional .past-semester p {
    color: var(--text-color);
}

.mode-professional .past-semester a {
    color: var(--primary-color);
}

.mode-professional .past-semester a:hover {
    text-decoration: underline;
}

.mode-professional .loading {
    color: var(--text-color-muted);
}

.mode-professional .error {
    color: var(--error-color);
    background-color: var(--error-bg);
}