/* Design System Variables */
:root {
    /* Colors */
    --primary-color: #005288;
    --secondary-color: #133E87;
    --background-color: #F3F3E0;
    --text-color: #333333;
    --white: #FFFFFF;
    --error: #C41E3A;
    --success: #28a745;
    
    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;  /* 4px */
    --spacing-sm: 0.5rem;   /* 8px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* Layout */
.container,
.leadership-header,
.leadership-description,
.leadership-form,
.leadership-nominations {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.container {
    padding: var(--spacing-md);
    flex: 1;
}

/* Search and controls section */
.search-container {
    margin-bottom: 30px;
}

.search-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    margin-bottom: 20px;
}

.competition-count {
    margin-bottom: 20px;
}

.hidden {
    display: none;
}

.sort-controls {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
}

.sort-button {
    padding: 10px 20px;
    background-color: #003b6f;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.sort-button:hover {
    background-color: #002347;
}

/* Grid layout */
.competitions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    padding: 0;
}

/* Competition card styles */
.competition-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.competition-card h3 {
    color: #003b6f;
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.competition-card .competition-date {
    color: #666;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.competition-card .download-button {
    display: inline-block;
    background-color: #003b6f;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 5px;
    margin-right: 5px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.competition-card .download-button:hover {
    background-color: #002347;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .competitions-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 15px;
    }

    .competition-card {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .competitions-grid {
        grid-template-columns: 1fr;
    }

    .sort-controls {
        flex-direction: column;
    }

    .sort-button {
        width: 100%;
    }
}

/* Navigation */
.navbar {
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    height: 90px;
    display: flex;
    align-items: center;
    background-color: transparent;
}

.nav-logo img {
    height: 100%;
    width: auto;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
}

.hamburger {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    position: relative;
    transition: all 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s;
}

.hamburger::before {
    transform: translateY(-6px);
}

.hamburger::after {
    transform: translateY(6px);
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-button {
    color: var(--primary-color);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-speed);
}

.nav-button:hover,
.nav-button.active {
    background-color: rgba(0, 82, 136, 0.1);
}

/* Forms */
.form-container {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin: var(--spacing-lg) 0;
}

.form-section {
    margin-bottom: var(--spacing-lg);
}

input,
select,
textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Buttons */
button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-family: var(--body-font);
    font-size: 1rem;
    transition: background-color var(--transition-speed);
}

button:hover:not(:disabled) {
    background-color: var(--secondary-color);
}

button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin: var(--spacing-lg) 0;
}

th, td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 500;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Focus styles */
:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-md);
    z-index: 1001;
}

.skip-link:focus {
    top: 0;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .menu-toggle {
        display: block;
    }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        padding: var(--spacing-md);
        flex-direction: column;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .navbar-menu.active {
        display: flex;
    }

    .nav-button {
        padding: var(--spacing-sm) 0;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    html {
        font-size: 12px;
    }

    .container {
        padding: var(--spacing-sm);
    }

    .form-container {
        padding: var(--spacing-md);
    }
}

/* Print styles */
@media print {
    .navbar,
    .no-print {
        display: none;
    }

    body {
        background: var(--white);
    }

    .container {
        max-width: 100%;
        padding: 0;
    }
}

/* Authentication styles */
.auth-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.auth-heading {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hint-text {
    font-size: 0.875rem;
    color: #666;
    margin-top: var(--spacing-xs);
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge.submitted {
    background-color: var(--success);
    color: var(--white);
}

.status-badge.pending {
    background-color: #ffd700;
    color: #000;
}

/* Filter controls */
.filter-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.filter-button {
    background-color: var(--white);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
}

.filter-button[aria-pressed="true"] {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Error messages */
.error-message {
    background-color: #fff3f3;
    color: var(--error);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Form Grid Layout */
.form-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.form-container {
    width: 100%;
    max-width: 800px; /* Limit form width for better readability */
    margin: 0 auto; /* Center the form */
}

/* Responsive Image Container */
.responsive-image-container {
    width: 100%;
    max-width: 1000px; /* Adjust this value based on your needs */
    margin: 0 auto;
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.responsive-image {
    width: 100%;
    height: auto;
    max-height: 60vh; /* Adjust this value based on your needs */
    object-fit: contain;
    display: block;
}

/* Zoom functionality for image */
.responsive-image-container.zoomable {
    cursor: zoom-in;
}

.responsive-image-container.zoomed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    cursor: zoom-out;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.responsive-image-container.zoomed .responsive-image {
    max-height: 90vh;
    max-width: 90vw;
    object-fit: contain;
}

/* Responsive breakpoints */
@media screen and (max-width: 1024px) {
    .form-grid {
        grid-template-columns: 1fr 1fr; /* Equal columns on medium screens */
    }
}

@media screen and (max-width: 768px) {
    /* Mobile navigation styles */
    .menu-toggle {
        display: block; /* Show hamburger menu on mobile */
    }
    
    .navbar-menu {
        display: none; /* Hide menu by default on mobile */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-md);
        z-index: 1000;
    }
    
    .navbar-menu.active {
        display: flex; /* Show menu when active class is applied */
    }
    
    /* Hamburger to X animation */
    .hamburger.active {
        background-color: transparent; /* Hide the middle line */
    }
    
    .hamburger.active::before {
        transform: rotate(45deg); /* Rotate to form X */
    }
    
    .hamburger.active::after {
        transform: rotate(-45deg); /* Rotate to form X */
    }
    
    /* Other mobile styles */
    .form-grid {
        grid-template-columns: 1fr; /* Stack on mobile */
    }

    .responsive-image-container {
        padding: var(--spacing-sm);
    }

    .responsive-image {
        max-height: 40vh;
    }
}

/* Vacant Competitions Section */
.vacant-competitions-section {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.vacant-competitions-section h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.vacant-competitions-list {
    margin-top: var(--spacing-md);
}

.vacant-competitions-grid-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--white);
    box-shadow: 0 1px 4px rgba(0,82,136,0.07);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    table-layout: auto;
}

.vacant-competitions-grid-table th.vacant-grid-header {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    font-size: 1.05rem;
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    border-right: 1px solid #e0e6ed;
}

.vacant-competitions-grid-table th.vacant-grid-header:last-child {
    border-right: none;
}

.vacant-competitions-grid-table td {
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid #e0e6ed;
    border-right: 1px solid #e0e6ed;
    background: #fafdff;
    min-width: 150px;
    vertical-align: top;
}

.vacant-competitions-grid-table tr:last-child td {
    border-bottom: none;
}

.vacant-competitions-grid-table td:last-child,
.vacant-competitions-grid-table th:last-child {
    border-right: none;
}

@media screen and (max-width: 900px) {
    .vacant-competitions-grid-table th.vacant-grid-header, .vacant-competitions-grid-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.95rem;
        min-width: 100px;
    }
}


.loading-message {
    color: var(--text-color);
    font-style: italic;
}

.no-vacant {
    color: var(--success);
    font-weight: 500;
    padding: var(--spacing-md);
    text-align: center;
}

@media screen and (max-width: 768px) {
    .vacant-competitions-list {
        grid-template-columns: 1fr;
    }
    .vacant-teacher-group {
        padding: var(--spacing-sm);
    }
    .vacant-table th.vacant-teacher-header, .vacant-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}


/* Add these utility classes */
.hidden-mobile {
    display: none;
}

@media screen and (min-width: 769px) {
    .hidden-mobile {
        display: block;
    }
}

/* Responsive adjustments for vacant competitions */
@media screen and (max-width: 768px) {
    .vacant-competitions-list {
        grid-template-columns: 1fr;
    }
}