/* Minimalist Academic Theme for University Search Portal */
/* High contrast, accessible, responsive design */
/* Colors: Primary #005A9C (blue), Secondary #D4A017 (gold), Background #F8F9FA, Text #212529 */

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #F8F9FA;
    color: #212529;
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3 {
    color: #005A9C;
    margin-bottom: 1rem;
}

a {
    color: #005A9C;
    text-decoration: none;
}

a:hover, a:focus {
    text-decoration: underline;
}

/* Focus styles for accessibility */
:focus {
    outline: 2px solid #005A9C;
    outline-offset: 2px;
}

/* Header */
header {
    background: linear-gradient(180deg, #FFFFFF 0%, #F5F9FF 100%);
    border-bottom: 2px solid #005A9C;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    font-size: 1.8rem;
    margin: 0;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
}

nav li {
    margin: 0;
}

nav button, nav a {
    background-color: #005A9C;
    color: #FFFFFF;
    padding: 0.6rem 1.1rem;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s ease, transform 0.05s ease;
}

nav button:hover, nav a:hover, nav button:focus-visible, nav a:focus-visible {
    background-color: #004080;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Forms */
form {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    display: grid;
    gap: 1rem;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="password"],
input[type="search"],
input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #CED4DA;
    border-radius: 4px;
    font-size: 1rem;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="email"]:focus {
    border-color: #005A9C;
}

button[type="submit"] {
    background-color: #005A9C;
    color: #FFFFFF;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s ease, transform 0.05s ease;
}

button[type="submit"]:hover, button[type="submit"]:focus-visible {
    background-color: #004080;
}

/* Results container */
#results-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

article {
    background-color: #FFFFFF;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-left: 4px solid #005A9C;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

article h3 {
    margin-bottom: 0.5rem;
}

article a {
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: bold;
}

.add-btn, .delete-btn {
    background-color: #D4A017;
    color: #FFFFFF;
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    cursor: pointer;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    transition: background-color 0.2s ease, transform 0.05s ease;
}

.add-btn:hover, .delete-btn:hover {
    background-color: #B8940F;
}

.delete-btn {
    background-color: #DC3545;
}

.delete-btn:hover {
    background-color: #C82333;
}

/* User list in profile */
#user-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* University list section for browsing database universities */
#university-list {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

#university-list h2 {
    color: #005A9C;
    margin-bottom: 1rem;
}

#university-list ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    list-style: none;
    padding: 0;
}

#university-list li {
    background-color: #FFFFFF;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-left: 4px solid #005A9C;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#university-list li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

#university-list h4 {
    margin-bottom: 0.5rem;
    color: #005A9C;
}

#university-list p {
    margin-bottom: 0.5rem;
    font-weight: bold;
}

#university-list a {
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: bold;
    color: #005A9C;
}

#university-list a:hover {
    text-decoration: underline;
}

#university-list .add-btn {
    margin-top: 1rem;
}

/* Modal */
#authModal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* Shown state controlled by JS by toggling the class */
#authModal.is-open {
    display: flex;
}

.modal-content {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 8px;
    max-width: 400px;
    width: 90%;
    position: relative;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6C757D;
}

.close:hover {
    color: #000000;
}

#authForm {
    display: none;
}

#authForm.active {
    display: block;
}

/* Error messages */
.error {
    color: #DC3545;
    background-color: #F8D7DA;
    border: 1px solid #F5C6CB;
    padding: 0.75rem;
    border-radius: 4px;
    margin-top: 1rem;
}

/* Hide error containers when empty to keep forms clean */
.error:empty {
    display: none;
}

/* Success messages */
.success {
    color: #155724;
    background-color: #D4EDDA;
    border: 1px solid #C3E6CB;
    padding: 0.75rem;
    border-radius: 4px;
    margin-top: 1rem;
}

/* Welcome message */
.welcome {
    background-color: #D1ECF1;
    border: 1px solid #BEE5EB;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 2rem;
    text-align: center;
}

/* Footer */
footer {
    background-color: #005A9C;
    color: #FFFFFF;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

footer p {
    margin: 0;
}

/* Responsive design with Flexbox and Grid */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    main {
        padding: 0 0.5rem;
    }

    #results-container, #user-list, #university-list ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 320px) {
    body {
        font-size: 14px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    form {
        padding: 1rem;
    }

    article, #university-list li {
        padding: 1rem;
    }
}

/* ARIA live region for screen readers */
[aria-live="polite"] {
    min-height: 1rem;
}

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.skip-link:focus {
    position: static;
    width: auto;
    height: auto;
    padding: 0.5rem 1rem;
    background: #005A9C;
    color: #fff;
    border-radius: 4px;
}

/* High contrast adjustments */
@media (prefers-contrast: more) {
    body {
        background-color: #000000;
        color: #FFFFFF;
    }

    header, main, article, form, .modal-content, #university-list li {
        background-color: #FFFFFF;
        border: 1px solid #000000;
    }

    footer {
        background-color: #000000;
        color: #FFFFFF;
    }
}

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