* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Poppins", sans-serif;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: #1a0dab;
}

a:hover {
    text-decoration: underline;
}

.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 50px 20px;
}

.search-container {
    width: 100%;
    max-width: 700px;
    position: relative;
    width: 60%;
    margin-bottom: 20px;
}

.search-box {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #4285f4;
    border-radius: 24px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: box-shadow .2s ease-in-out, width .3s ease, border-color .3s ease;
    display: flex;
    align-items: center;
}

.search-box:focus-within {
    box-shadow: 0 4px 8px rgba(32,33,36,0.35);
    border-color: #ea4335;
}

#search-query {
    width: calc(100% - 40px);
    border: none;
    outline: 0;
    font-size: 16px;
    padding: 4px 0;
    transition: font-size .2s ease;
}

#search-query::placeholder {
    color: #9aa0a6;
    transition: color .2s ease;
}

#search-query:focus {
    font-size: 18px;
}

#search-query:focus::placeholder {
    color: transparent;
}

#search-form button {
    background: 0 0;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: 10px;
    transition: transform .2s ease;
}

#search-form button:hover {
    transform: scale(1.1);
}

#search-form button svg {
    display: none;
}

#search-form button::after {
    content: "\f002";
    color: #9aa0a6;
    transition: color .2s ease, transform .2s ease;
    font: 900 1.2em "Font Awesome 5 Free";
}

#search-form button:hover::after {
    color: #4285f4;
    transform: scale(1.1);
}

#suggestions {
    width: calc(80% - 32px);
    background-color: #fff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(32,33,36,0.28);
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 10;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .3s ease, transform .3s ease;
    padding: 10px 0;
}

@keyframes spin {
    0% { transform: rotate(0); }
    100% { transform: rotate(360deg); }
}

#suggestions ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#suggestions li {
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
    transition: background-color .2s ease;
}

#suggestions li:hover {
    background-color: #e9e9e9;
}

#suggestions li.selected {
    background-color: #f0f0f0;
}

.search-box:focus-within + #suggestions,
.search-box:hover + #suggestions {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

#results {
    width: 100%;
    max-width: 700px;
    margin-top: 20px;
}

.result, .ai-result {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .3s ease, transform .3s ease;
    animation: fadeInUp .5s ease forwards;
}

.ai-result {
    background-color: #f0f0f5;
    width: 100%;
    max-width: 800px;
}

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

.result.show, .ai-result.show {
    opacity: 1;
    transform: translateY(0);
}

.result:hover, .ai-result:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.result h3 {
    margin: 0 0 5px;
    font-size: 1.2rem;
    color: #222;
}

.result .url {
    color: #202124;
    font-size: .9rem;
    margin-bottom: 8px;
    display: block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result p {
    color: #555;
    font-size: .9rem;
    line-height: 1.6em;
    margin: 0;
}

.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0);
    z-index: 1000;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    animation: spin 1.2s linear infinite;
}

.loading-text {
    margin-left: 10px;
    font-size: 1rem;
    color: #333;
}

#no-results {
    display: none;
    text-align: center;
    padding: 20px;
    font-size: 1.1em;
    color: #555;
}

.result .actions button {
    background-color: #f2f2f2;
    color: #000;
    border: 1px solid #ddd;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color .2s ease, box-shadow .2s ease;
    margin-right: 10px;
}

.result .actions button:hover {
    background-color: #e0e0e0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.summary-popup, .answer-popup {
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    background-color: #f8f9fa;
    color: #333;
    font-family: 'Poppins', sans-serif;
    padding: 20px;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    max-width: 80%;
    max-height: 80%;
    overflow-y: auto;
    z-index: 1001;
}

.summary-popup .close,
.answer-popup .close {
    position: absolute;
    top: 15px;
    right: 15px;
    cursor: pointer;
    font-size: 1.5em;
    color: #666;
    transition: color .2s ease;
}

.summary-popup .close:hover,
.answer-popup .close:hover {
    color: #333;
}

.summary-popup .loading,
.answer-popup .loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    display: none;
}

.summary-popup .loading-spinner,
.answer-popup .loading-spinner {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    animation: spin 1.2s linear infinite;
}

.summary-popup .content,
.answer-popup .content {
    padding: 20px;
    font-size: 1rem;
    line-height: 1.5;
}

.summary-popup #summaryContent,
.answer-popup #answerContent {
    font-family: 'Poppins', sans-serif;
    margin-bottom: 20px;
}

#loading-more {
    display: none;
    text-align: center;
    padding: 10px;
}

#loading-more.active {
    display: block;
}

.ai-result h2 {
    margin: 0 0 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}

.ai-result p {
    color: #444;
    font-size: .9rem;
    line-height: 1.5em;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.ai-result .actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

.ai-result .actions button {
    background-color: #f2f2f2;
    color: #000;
    border: 1px solid #ddd;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color .2s ease, box-shadow .2s ease;
    margin-left: 10px;
}

.ai-result .actions button:hover {
    background-color: #e0e0e0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ai-result .actions button i {
    font-size: 1.2rem;
    color: #333;
}