/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&family=Open+Sans:wght@400;600&display=swap');

:root {
    --primary-color: #007bff; /* A nice blue, like PTCL's branding */
    --primary-dark: #0056b3;
    --secondary-color: #6c757d;
    --background-light: #f8f9fa;
    --text-dark: #343a40;
    --text-light: #ffffff;
    --border-light: #e9ecef;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --status-clicked-bg: #d4edda; /* Light green */
    --status-clicked-text: #155724; /* Dark green */
    --status-non-clicked-bg: #ffeeba; /* Light yellow/orange */
    --status-non-clicked-text: #856404; /* Dark yellow/orange */
}

body {
    font-family: 'Roboto', 'Open Sans', Arial, sans-serif;
    background-color: var(--background-light);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: var(--text-dark);
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Header Styling */
.main-header {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 15px 0;
    box-shadow: 0 2px 8px var(--shadow-light);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.ptcl-logo {
    height: 45px; /* Adjust as needed */
    width: auto;
}

.logo-container span {
    font-size: 1.6em;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 25px;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 400;
    font-size: 1.05em;
    transition: color 0.3s ease, transform 0.2s ease;
}

.main-nav a:hover {
    color: #cce5ff; /* Lighter blue on hover */
    transform: translateY(-2px);
}

/* Main Content Sections */
main {
    flex-grow: 1; /* Allows main content to expand */
    padding: 30px 0;
}

section {
    background-color: var(--text-light);
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    margin-bottom: 30px;
}

h2, h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 700;
}

.search-form {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.search-form input[type="text"] {
    flex-grow: 1;
    max-width: 450px;
    padding: 14px 20px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 1.1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-form input[type="text"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.search-form button {
    padding: 14px 30px;
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.search-form button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Results Table Styling */
.table-responsive {
    overflow-x: auto; /* Ensures table is scrollable on small screens */
}

table {
    width: 100%;
    border-collapse: separate; /* For rounded corners on rows */
    border-spacing: 0;
    margin-top: 20px;
    background-color: var(--text-light);
    border-radius: 8px;
    overflow: hidden; /* Ensures borders/shadows are contained */
    box-shadow: 0 2px 10px var(--shadow-light);
}

table th, table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

table thead th {
    background-color: var(--primary-color);
    color: var(--text-light);
    font-weight: 600;
    font-size: 1em;
    position: sticky; /* Keep header visible on scroll */
    top: 0;
    z-index: 1;
}

table tbody tr:nth-child(even) {
    background-color: var(--background-light);
}

table tbody tr:hover {
    background-color: #e6f2ff; /* Light blue on hover */
    cursor: pointer;
}

/* Status specific styling */
.status-clicked {
    background-color: var(--status-clicked-bg);
    color: var(--status-clicked-text);
}
.status-clicked:hover {
    background-color: #c3e6cb; /* Slightly darker green on hover */
}

.status-non-clicked {
    background-color: var(--status-non-clicked-bg);
    color: var(--status-non-clicked-text);
}
.status-non-clicked:hover {
    background-color: #ffda6a; /* Slightly darker yellow on hover */
}


/* No Results Message */
.no-results {
    text-align: center;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.1em;
    padding: 20px;
    background-color: #fff3cd; /* Light warning background */
    border: 1px solid #ffeeba;
    border-radius: 8px;
}

/* Footer Styling */
.main-footer {
    background-color: var(--text-dark);
    color: #b0b0b0;
    padding: 20px 0;
    margin-top: auto; /* Pushes footer to the bottom */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.9em;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-links span {
    color: #777;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 10px;
    }

    .search-form {
        flex-direction: column;
        align-items: stretch;
    }

    .search-form input[type="text"],
    .search-form button {
        max-width: 100%; /* Full width on small screens */
    }

    .footer-content {
        flex-direction: column;
        gap: 10px;
    }
    .footer-links {
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px 0;
    }
    section {
        padding: 20px;
    }
    table th, table td {
        padding: 10px 12px;
        font-size: 0.9em;
    }
    .ptcl-logo {
        height: 35px;
    }
    .logo-container span {
        font-size: 1.4em;
    }
}