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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========== Main Container ========== */
.search-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    transition: all 0.3s ease;
}

/* ========== Home State (Centered) ========== */
.search-container.home {
    justify-content: center;
    min-height: 100vh;
}

.search-container.home .search-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 680px;
}

.search-container.home .logo {
    font-size: 52px;
    margin-bottom: 30px;
    margin-top: -60px;
}

.search-container.home .logo img{
    max-height: 128px;
    margin: 8px;
}

.search-container.home .search-box-wrapper {
    width: 100%;
}

.search-container.home .search-buttons {
    display: flex;
}

/* ========== Results State (Logo on left) ========== */
.search-container.results {
    justify-content: flex-start;
    padding-top: 20px;
    padding-left: 40px;
    padding-right: 40px;
}

.search-container.results .search-header {
    display: flex;
    align-items: center;
    gap: 24px;
    width: 100%;
    margin-bottom: 16px;
}

.search-container.results .logo img {
    max-height: 32px;
    margin: 8px;
}

.search-container.results .search-box-wrapper {
    flex: 1;
    max-width: 600px;
}

.search-container.results .search-buttons {
    display: none;
}

.search-container.results .hot-search {
    display: none;
}

/* ========== Logo ========== */
.logo {
    background: #007afb;
    border-radius: 50px;
}

/* ========== Search Box ========== */
.search-box-wrapper {
    position: relative;
}

.search-box {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #dfe1e5;
    border-radius: 24px;
    padding: 0 16px;
    transition: all 0.2s;
    position: relative;
    box-shadow: 0 1px 6px rgba(32,33,36,0.08);
}

.search-box:hover {
    box-shadow: 0 1px 6px rgba(32,33,36,0.18);
    border-color: rgba(223,225,229,0);
}

.search-box:focus-within {
    box-shadow: 0 1px 6px rgba(32,33,36,0.28);
    border-color: rgba(223,225,229,0);
}

.search-box .search-icon {
    flex-shrink: 0;
    color: #9aa0a6;
    font-size: 18px;
    margin-right: 8px;
}

.search-box input {
    flex: 1;
    border: none;
    padding: 14px 0;
    font-size: 16px;
    outline: none;
    background: transparent;
    color: #202124;
    min-height: 44px;
}

.search-box input::placeholder {
    color: #9aa0a6;
}

.search-box .actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.search-box .actions .btn-icon {
    background: none;
    border: none;
    color: #9aa0a6;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 50%;
    transition: all 0.2s;
    display: none;
}

.search-box .actions .btn-icon.show {
    display: block;
}

.search-box .actions .btn-icon:hover {
    background: #f1f3f4;
}

.search-box .actions .divider {
    width: 1px;
    height: 24px;
    background: #dfe1e5;
    margin: 0 4px;
}

.search-box .actions .btn-search {
    background: none;
    border: none;
    color: #4285f4;
    font-size: 22px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 50%;
    transition: all 0.2s;
}

.search-box .actions .btn-search:hover {
    background: #e8f0fe;
}

/* ========== Search Suggestions ========== */
.suggestions-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    max-height: 360px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
}

.suggestions-dropdown.active {
    display: block;
}

.suggestions-dropdown .suggestion-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.15s;
    gap: 12px;
}

.suggestions-dropdown .suggestion-item:hover,
.suggestions-dropdown .suggestion-item.active {
    background: #f1f3f4;
}

.suggestions-dropdown .suggestion-item .icon {
    color: #9aa0a6;
    font-size: 16px;
    flex-shrink: 0;
}

.suggestions-dropdown .suggestion-item .text {
    flex: 1;
    font-size: 14px;
    color: #202124;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.suggestions-dropdown .suggestion-item .text em {
    color: #ff6a00 !important;
    font-weight: 700;
    font-style: normal;
}

.suggestions-dropdown .suggestion-empty {
    padding: 30px 20px;
    text-align: center;
    color: #9aa0a6;
    font-size: 14px;
}

/* ========== Search Buttons (Home page only) ========== */
.search-buttons {
    margin-top: 28px;
    display: none;
    gap: 12px;
}

.search-container.home .search-buttons {
    display: flex;
}

.search-buttons .btn {
    padding: 10px 24px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.search-buttons .btn-primary {
    background: #f8f9fa;
    color: #202124;
    border: 1px solid #f8f9fa;
}

.search-buttons .btn-primary:hover {
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
    border-color: #dadce0;
}

/* ========== Hot Search (Home page only) ========== */
.hot-search {
    margin-top: 20px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.search-container.home .hot-search {
    display: flex;
}

.search-container.results .hot-search {
    display: none;
}

.hot-search .label {
    color: #70757a;
    font-size: 13px;
}

.hot-search .tag {
    color: #1a0dab;
    font-size: 13px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
    text-decoration: none;
}

.hot-search .tag:hover {
    text-decoration: underline;
}

/* ========== Result Stats ========== */
.result-stats {
    width: 100%;
    color: #70757a;
    font-size: 13px;
    padding: 12px 0 8px;
    border-bottom: 1px solid #e8eaed;
    margin-top: 20px;
    margin-left: 0;
}

/* ========== Result List ========== */
.result-list {
    width: 100%;
    max-width: 1024px;
    padding: 12px 0;
    margin-left: 86px;
}

.result-item {
    display: flex;
    gap: 20px;
    padding: 16px 12px;
    border-bottom: 1px solid #f1f3f4;
    cursor: pointer;
    transition: background 0.15s;
    border-radius: 8px;
    align-items: flex-start;
}

.result-item:hover {
    background: #f8f9fa;
}

.result-item .result-image {
    flex-shrink: 0;
    width: 120px;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-item .result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-item .result-image .placeholder {
    font-size: 32px;
    color: #dadce0;
}

.result-item .result-content {
    flex: 1;
    min-width: 0;
}

.result-item .title {
    font-size: 18px;
    color: #1a0dab;
    line-height: 1.4;
    margin-bottom: 4px;
    font-weight: 400;
}

.result-item .title em {
    color: #ff6a00 !important;
    font-style: normal;
    font-weight: 700;
}

.result-item .title:hover {
    text-decoration: underline;
}

.result-item .link {
    font-size: 12px;
    color: #006621;
    margin-bottom: 4px;
}

.result-item .snippet {
    font-size: 14px;
    color: #4d5156;
    line-height: 1.6;
    max-height: 48px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.result-item .snippet em {
    color: #ff6a00 !important;
    font-style: normal;
    font-weight: 700;
}

.result-item .meta {
    display: flex;
    gap: 16px;
    margin-top: 6px;
    font-size: 12px;
    color: #70757a;
    flex-wrap: wrap;
}

.result-item .meta .model {
    color: #4285f4;
    font-weight: 500;
}

/* ========== Pagination ========== */
.pagination {
    width: 100%;
    max-width: 780px;
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 20px 0 40px;
    margin-left: 0;
}

.pagination .page-btn {
    padding: 6px 14px;
    border: none;
    background: none;
    color: #202124;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.2s;
    min-width: 32px;
}

.pagination .page-btn:hover {
    background: #f1f3f4;
}

.pagination .page-btn.active {
    background: #1a0dab;
    color: white;
}

.pagination .page-btn.disabled {
    color: #dadce0;
    cursor: not-allowed;
}

/* ========== Empty State ========== */
.empty-state {
    width: 100%;
    max-width: 780px;
    text-align: center;
    padding: 60px 20px;
    margin-left: 0;
}

.empty-state .icon {
    font-size: 48px;
    color: #dadce0;
    margin-bottom: 16px;
}

.empty-state h3 {
    color: #202124;
    font-weight: 400;
    margin-bottom: 8px;
}

.empty-state p {
    color: #70757a;
    font-size: 14px;
}

.empty-state .suggestions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.empty-state .suggestions .tag {
    color: #1a0dab;
    cursor: pointer;
    font-size: 14px;
}

.empty-state .suggestions .tag:hover {
    text-decoration: underline;
}

/* ========== Loading State ========== */
.loading-state {
    width: 100%;
    max-width: 780px;
    text-align: center;
    padding: 40px 0;
    margin-left: 0;
}

.loading-state .spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid #f1f3f4;
    border-top-color: #4285f4;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== Scrollbar ========== */
.suggestions-dropdown::-webkit-scrollbar {
    width: 4px;
}

.suggestions-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.suggestions-dropdown::-webkit-scrollbar-thumb {
    background: #dadce0;
    border-radius: 4px;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .search-container.results {
        padding-left: 16px;
        padding-right: 16px;
    }

    .search-container.results .search-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .search-container.results .logo {
        font-size: 28px;
        text-align: center;
    }

    .search-container.results .search-box-wrapper {
        max-width: 100%;
    }

    .result-stats {
        max-width: 100%;
    }

    .result-list {
        max-width: 100%;
    }

    .result-item {
        flex-direction: column;
        gap: 12px;
    }

    .result-item .result-image {
        width: 100%;
        height: 180px;
    }

    .pagination {
        max-width: 100%;
    }

    .empty-state {
        max-width: 100%;
    }

    .loading-state {
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    .search-container.home .logo {
        font-size: 36px;
        margin-top: -40px;
    }

    .logo .sub {
        font-size: 16px;
    }

    .search-box input {
        font-size: 14px;
        padding: 12px 0;
        min-height: 40px;
    }

    .search-buttons .btn {
        padding: 8px 18px;
        font-size: 13px;
    }

    .result-item .title {
        font-size: 16px;
    }

    .result-item .snippet {
        font-size: 13px;
    }

    .search-container.results .logo {
        font-size: 24px;
    }

    .hot-search .tag {
        font-size: 12px;
    }

    .result-item .result-image {
        height: 140px;
    }
}

@media (max-width: 400px) {
    .search-container.home .logo {
        font-size: 28px;
    }

    .search-box {
        padding: 0 12px;
    }

    .search-box input {
        font-size: 13px;
        min-height: 36px;
    }

    .result-item .result-image {
        height: 120px;
    }
}