/* Base Styles */
:root {
    --primary-color: #6c5ce7;
    --secondary-color: #2d3436;
    --accent-color: #00cec9;
    --text-color: #dfe6e9;
    --light-text: #b2bec3;
    --border-color: #636e72;
    --success-color: #00b894;
    --danger-color: #d63031;
    --warning-color: #fdcb6e;
    --info-color: #0984e3;
    --dark-bg: #1e272e;
    --darker-bg: #1a2228;
    --card-bg: #2d3436;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

/* Light Theme */
[data-theme="light"] {
    --primary-color: #6c5ce7;
    --secondary-color: #f5f6fa;
    --accent-color: #00cec9;
    --text-color: #2d3436;
    --light-text: #636e72;
    --border-color: #dfe6e9;
    --dark-bg: #f5f6fa;
    --darker-bg: #dfe6e9;
    --card-bg: #ffffff;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 4px 20px rgba(108, 92, 231, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--dark-bg);
    min-height: 100vh;
    transition: var(--transition);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Theme Toggle */
.theme-toggle {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    padding: 8px 15px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle:hover {
    background-color: #5649d1;
}

.theme-toggle i {
    font-size: 1rem;
}

.theme-toggle-container {
    position: absolute;
    top: 50px;
    right: 20px;
}

/* Greeting Page Styles */
#greeting-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    padding: 20px;
}

.greeting-container {
    text-align: center;
    max-width: 800px;
    padding: 40px;
    background-color: var(--card-bg);
    border-radius: 15px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease;
    position: relative;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.greeting-message {
    margin: 30px 0;
}

.greeting-message h2 {
    color: var(--accent-color);
    font-size: 3.2rem;
    margin-bottom: 15px;
}

.greeting-message p {
    font-size: 1.1rem;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto;
}

.tool-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.tool-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 10px;
    padding: 25px 15px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1/1;
    box-shadow: var(--shadow);
    text-decoration: none;
}

.tool-btn.portal-btn {
    background-color: var(--info-color);
}

.tool-btn.portal-btn:hover {
    background-color: #0a6ebd;
}

.tool-btn i {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.tool-btn span {
    font-weight: 500;
}

.tool-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(108, 92, 231, 0.4);
    background-color: #5649d1;
}

/* Header Styles */
header {
    background-color: var(--darker-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.logo-container {
    display: flex;
    align-items: center;
    padding: 10px 0;
}

.logo {
    height: 50px;
    margin-right: 15px;
}

h1 {
    font-size: 1.8rem;
    color: var(--accent-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 15px 0;
    display: block;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

nav ul li a:hover, nav ul li a.active {
    color: var(--accent-color);
    border-bottom: 3px solid var(--accent-color);
}

.header-right {
    display: flex;
    align-items: center;
    margin-left: auto;
    gap: 15px;
}

.portal-btn {
    background-color: var(--info-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 4px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.portal-btn:hover {
    background-color: #0a6ebd;
}

.back-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.back-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

#theme-toggle-header {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-toggle-header:hover {
    background-color: var(--border-color);
}

/* Main Content Styles */
main {
    padding: 30px 0;
}

.tool-section {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 30px;
    transition: var(--transition);
}

h2 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

h2 i {
    margin-right: 10px;
}

h3 {
    margin: 15px 0;
    font-size: 1.2rem;
    color: var(--accent-color);
}

/* Calculator Container Styles */
.calculator-container, .routine-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.input-section, .result-section {
    flex: 1;
    min-width: 300px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--light-text);
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--darker-bg);
    color: var(--text-color);
    transition: var(--transition);
}

input:focus, select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.3);
}

.btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    margin-top: 10px;
}

.btn i {
    margin-right: 5px;
}

.btn:hover {
    background-color: #5649d1;
    transform: translateY(-2px);
}

.calculate-btn {
    background-color: var(--success-color);
}

.calculate-btn:hover {
    background-color: #00a382;
}

.reset-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.reset-btn:hover {
    background-color: #3a454d;
}

.print-btn {
    background-color: var(--warning-color);
    color: var(--black);
}

.print-btn:hover {
    background-color: #e6b949;
}

/* CGPA Calculator Specific Styles */
#courses-container {
    margin: 15px 0;
}

.course-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.course-row select, .course-row input {
    flex: 1;
    min-width: 100px;
}

.remove-course {
    background-color: var(--danger-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.remove-course:hover {
    background-color: #c0392b;
    transform: scale(1.05);
}

/* Result Section Styles */
.result-box {
    background-color: var(--darker-bg);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-item.total {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--accent-color);
}

/* Flow Chart Styles */
.flow-controls {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.flow-controls .form-group {
    flex: 1;
}

#flowchart-container {
    min-height: 300px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: var(--darker-bg);
}

.placeholder {
    text-align: center;
    color: var(--light-text);
}

.placeholder i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--border-color);
}

/* Routine Generator Styles */
.class-days-container {
    margin: 15px 0;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid var(--info-color);
    background-color: var(--darker-bg);
}

#lab-session-container {
    border-left: 4px solid var(--warning-color);
    background-color: rgba(253, 203, 110, 0.1);
}

.class-session {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    align-items: flex-end;
}

.class-session .form-group {
    flex: 1;
    margin-bottom: 0;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* Enhanced Routine Table Styles */
.routine-table-container {
    width: 100%;
    overflow: visible;
    margin: 20px 0;
}

.routine-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.routine-table th, 
.routine-table td {
    min-width: 120px;
    padding: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.routine-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.routine-table .day-col {
    background-color: var(--darker-bg);
    font-weight: bold;
    width: 80px;
    position: sticky;
    left: 0;
}

.course-block {
    background-color: rgba(108, 92, 231, 0.1);
    border-radius: 6px;
    padding: 8px;
    margin: 2px;
    border: 1px solid rgba(108, 92, 231, 0.3);
    transition: var(--transition);
}

.course-block:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(108, 92, 231, 0.2);
}

.lab-block {
    background-color: rgba(253, 203, 110, 0.1);
    border: 1px solid rgba(253, 203, 110, 0.3);
}

.course-block .course-code {
    font-weight: bold;
    font-size: 0.95rem;
    color: var(--accent-color);
}

.course-block .course-room {
    font-size: 0.85rem;
    color: var(--light-text);
    margin-top: 3px;
}

.course-block .course-faculty {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--light-text);
    margin-top: 3px;
}

/* Footer Styles */
footer {
    background-color: var(--darker-bg);
    color: var(--white);
    padding: 40px 0 20px;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    transition: var(--transition);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 15px;
    color: var(--light-text);
}

.footer-section.links ul {
    list-style: none;
}

.footer-section.links li {
    margin-bottom: 10px;
}

.footer-section.links a {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
    display: block;
}

.footer-section.links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--light-text);
    font-size: 0.9rem;
}

.contact span {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--light-text);
}

.contact i {
    color: var(--accent-color);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 5px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 300px;
    box-shadow: var(--shadow);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast.success {
    background-color: var(--success-color);
}

.toast.error {
    background-color: var(--danger-color);
}

.toast.info {
    background-color: var(--info-color);
}

.toast.warning {
    background-color: var(--warning-color);
    color: var(--black);
}

.toast-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    margin-left: 15px;
    cursor: pointer;
}

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

.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Responsive Styles */
/* Previous styles remain the same until media queries */

@media (max-width: 768px) {
    .greeting-container {
        padding: 20px 15px;
        margin: 15px;
        width: calc(100% - 30px);
    }
    
    .greeting-message h2 {
        font-size: 2.2rem;
        margin-bottom: 10px;
    }
    
    .greeting-message p {
        font-size: 1rem;
    }
    
    .tool-buttons {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .tool-btn {
        padding: 20px;
        aspect-ratio: unset;
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }
    
    .tool-btn i {
        margin-right: 15px;
        margin-bottom: 0;
        font-size: 1.8rem;
    }
    
    nav ul {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 5px 5px 0;
    }
    
    nav ul li a {
        padding: 10px 5px;
        font-size: 0.9rem;
    }
    
    .flow-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .calculator-container, .routine-container {
        flex-direction: column;
    }
    
    .input-section, .result-section {
        width: 100%;
    }
    
    .routine-table {
        font-size: 0.8rem;
    }
    
    .routine-table th, .routine-table td {
        padding: 5px;
    }
    
    .header-right {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 10px;
    }
    
    /* Form inputs */
    input, select {
        padding: 8px;
        font-size: 0.9rem;
    }
    
    /* Course rows in CGPA calculator */
    .course-row, .retake-row {
        flex-wrap: wrap;
    }
    
    .course-row select, 
    .course-row input,
    .retake-row input {
        min-width: calc(50% - 5px);
        flex: none;
    }
    
    .remove-course, .remove-retake {
        width: 100%;
        margin-top: 5px;
    }
}

@media (max-width: 480px) {
    .greeting-message h2 {
        font-size: 1.8rem;
    }
    
    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    header .container {
        flex-direction: column;
    }
    
    .back-btn, .portal-btn {
        width: 100%;
        text-align: center;
    }
    
    .theme-toggle-container {
        position: static;
        margin-top: 15px;
        margin-bottom: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    /* Footer developer credit */
    .footer-bottom {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }
    
    .developer-credit {
        font-size: 0.85rem;
        color: var(--accent-color);
    }
    
    /* Routine generator form */
    .class-session {
        flex-direction: column;
        gap: 10px;
    }
    
    /* Tool sections */
    .tool-section {
        padding: 15px;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    /* Result boxes */
    .result-box {
        padding: 10px;
    }
    
    /* Toast notifications */
    .toast {
        max-width: 90%;
        right: 5%;
        bottom: 10px;
        font-size: 0.9rem;
    }
}

/* Add this at the end of the file */
.developer-credit {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-top: 5px;
    text-align: center;
}

/* Course flow charts mobile optimization */
@media (max-width: 768px) {
    .semester-flow {
        font-size: 0.9rem;
    }
    
    .semester-flow h4 {
        font-size: 1rem;
    }
    
    .course-list {
        margin-left: 15px;
    }
}

/* Routine table mobile optimization */
@media (max-width: 600px) {
    .routine-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .routine-table th, 
    .routine-table td {
        min-width: 100px;
    }
    
    .course-block .course-code {
        font-size: 0.85rem;
    }
    
    .course-block .course-room,
    .course-block .course-faculty {
        font-size: 0.75rem;
    }
}

/* Add these styles */
#course-section {
    width: 100%;
    padding: 10px;
    background-color: var(--darker-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

#course-section:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 206, 201, 0.2);
}

.course-item-section {
    background-color: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-left: 8px;
}

/* For the routine table display */
.course-block .course-code {
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-block .course-section {
    font-size: 0.7rem;
    background-color: var(--primary-color);
    color: white;
    padding: 1px 4px;
    border-radius: 3px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    #course-section {
        padding: 8px;
        font-size: 0.9rem;
    }
    
    .course-item-section {
        font-size: 0.7rem;
        padding: 1px 4px;
    }
}

/* Add these styles to your existing CSS */

/* Enhanced Class Session Inputs */
.class-days-container {
    background-color: var(--darker-bg);
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    border-left: 4px solid var(--info-color);
}

.class-session {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.class-session .form-group {
    flex: 1;
    min-width: 120px;
    margin-bottom: 0;
}

.class-session label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--light-text);
}

.class-session select,
.class-session input[type="time"],
.class-session input[type="number"] {
    width: 100%;
    padding: 10px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.95rem;
}

.class-session select:focus,
.class-session input[type="time"]:focus,
.class-session input[type="number"]:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 206, 201, 0.2);
}

/* Lab session specific styling */
#lab-session-container {
    border-left: 4px solid var(--warning-color);
    background-color: rgba(253, 203, 110, 0.1);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .class-session {
        gap: 10px;
    }
    
    .class-session .form-group {
        min-width: calc(50% - 10px);
    }
}

@media (max-width: 480px) {
    .class-session .form-group {
        min-width: 100%;
    }
    
    .class-session select,
    .class-session input[type="time"],
    .class-session input[type="number"] {
        padding: 8px;
    }
}

/* Time input customization */
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(0.6);
    cursor: pointer;
}

[data-theme="light"] input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(0.4);
}

/* Duration input styling */
.class-duration {
    width: 100%;
}

/* Add this to the existing styles.css */
@media (max-width: 768px) {
    .routine-table-container {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .routine-table {
        min-width: 600px; /* Ensure table has minimum width */
    }
    
    .routine-table th, 
    .routine-table td {
        min-width: 100px;
        padding: 6px;
        font-size: 0.85rem;
    }
    
    .course-block {
        padding: 6px;
    }
    
    .course-block .course-code {
        font-size: 0.8rem;
    }
    
    .course-block .course-room,
    .course-block .course-faculty {
        font-size: 0.7rem;
    }
    
    .course-block .course-section {
        font-size: 0.6rem;
        padding: 1px 3px;
    }
}

@media (max-width: 480px) {
    .routine-table {
        min-width: 100%;
    }
    
    .routine-table th, 
    .routine-table td {
        min-width: 80px;
        padding: 4px;
        font-size: 0.8rem;
    }
    
    .routine-table .day-col {
        width: 60px;
    }
    
    .course-block {
        padding: 4px;
    }
}

/* Enhanced Routine Table Styles */
.routine-table-container {
    width: 100%;
    overflow-x: auto;
    margin: 20px 0;
    -webkit-overflow-scrolling: touch;
}

.routine-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.routine-table th, 
.routine-table td {
    min-width: 120px;
    padding: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.routine-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.routine-table .day-col {
    background-color: var(--darker-bg);
    font-weight: bold;
    width: 80px;
    position: sticky;
    left: 0;
    z-index: 1;
}

.course-block {
    background-color: rgba(108, 92, 231, 0.1);
    border-radius: 6px;
    padding: 8px;
    margin: 2px;
    border: 1px solid rgba(108, 92, 231, 0.3);
    transition: var(--transition);
    cursor: move;
}

.theory-block {
    background-color: rgba(0, 206, 201, 0.1);
    border: 1px solid rgba(0, 206, 201, 0.3);
}

.lab-block {
    background-color: rgba(253, 203, 110, 0.1);
    border: 1px solid rgba(253, 203, 110, 0.3);
}

.course-block:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(108, 92, 231, 0.2);
}

.conflict-slot .course-block {
    background-color: rgba(214, 48, 49, 0.1);
    border: 1px solid rgba(214, 48, 49, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.8; }
    100% { opacity: 1; }
}

.course-block .course-code {
    font-weight: bold;
    font-size: 0.95rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.course-block .course-section {
    font-size: 0.7rem;
    background-color: var(--primary-color);
    color: white;
    padding: 1px 4px;
    border-radius: 3px;
}

.course-block .course-room {
    font-size: 0.85rem;
    color: var(--light-text);
    margin-top: 3px;
}

.course-block .course-faculty {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--light-text);
    margin-top: 3px;
}

/* Export Buttons */
.export-buttons {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.export-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

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

/* Conflict Warnings */
#conflict-warnings {
    background-color: var(--darker-bg);
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
    border-left: 4px solid var(--danger-color);
}

#conflict-warnings h3 {
    color: var(--danger-color);
    margin-bottom: 10px;
}

#conflict-warnings ul {
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}

#conflict-warnings li {
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

#conflict-warnings li:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

#conflict-warnings i {
    color: var(--danger-color);
    margin-top: 3px;
}

.no-conflicts {
    color: var(--success-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.no-conflicts i {
    font-size: 1.2rem;
}

/* Drag and Drop Visual Feedback */
.course-slot[draggable="true"] {
    cursor: move;
}

.course-slot.drag-over {
    background-color: rgba(0, 206, 201, 0.2);
    border: 2px dashed var(--accent-color);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .routine-table {
        min-width: 600px;
    }
    
    .routine-table th, 
    .routine-table td {
        min-width: 100px;
        padding: 6px;
        font-size: 0.85rem;
    }
    
    .course-block {
        padding: 6px;
    }
    
    .course-block .course-code {
        font-size: 0.8rem;
    }
    
    .course-block .course-room,
    .course-block .course-faculty {
        font-size: 0.7rem;
    }
    
    .course-block .course-section {
        font-size: 0.6rem;
        padding: 1px 3px;
    }
    
    .export-buttons {
        flex-direction: column;
    }
    
    .export-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .routine-table {
        min-width: 100%;
    }
    
    .routine-table th, 
    .routine-table td {
        min-width: 80px;
        padding: 4px;
        font-size: 0.8rem;
    }
    
    .routine-table .day-col {
        width: 60px;
    }
    
    .course-block {
        padding: 4px;
    }
    
    #conflict-warnings li {
        font-size: 0.9rem;
    }
}

@media print {
    .routine-table-container {
        width: 100% !important;
        overflow: visible !important;
    }
    
    .routine-table {
        width: auto !important;
        max-width: 100% !important;
        font-size: 10pt !important;
    }
    
    .routine-table th, 
    .routine-table td {
        padding: 4px !important;
        min-width: auto !important;
    }
    
    .course-block {
        padding: 4px !important;
    }
    
    .course-code {
        font-size: 0.8rem !important;
    }
    
    .course-room,
    .course-faculty {
        font-size: 0.7rem !important;
    }
    
    .course-section {
        font-size: 0.6rem !important;
        padding: 1px 3px !important;
    }
}



/*git init
git remote add origin https://github.com/ahsitab/EWU_TOOL_HUB.git
git add .
git commit -m "Initial commit"
git push -u origin main */