/* =========================================
   PuffingSearch - Styles
   ========================================= */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d28;
    --bg-card: #222639;
    --bg-hover: #2a2f44;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0b0;
    --text-muted: #6b7280;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --accent-dim: rgba(96, 165, 250, 0.1);
    --border: #2d3145;
    --border-focus: #60a5fa;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 200ms ease;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* =========================================
   Container
   ========================================= */

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
    flex: 1;
}

/* =========================================
   Hero Section (Landing)
   ========================================= */

.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
    color: var(--accent);
}

.logo svg {
    flex-shrink: 0;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* =========================================
   Search Box
   ========================================= */

.search-form {
    position: relative;
    max-width: 640px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border);
    border-radius: 100px;
    padding: 4px 4px 4px 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.search-icon {
    flex-shrink: 0;
    color: var(--text-muted);
}

.search-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    padding: 12px 12px;
    min-width: 0;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 100px;
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--accent-hover);
}

.search-btn:active {
    transform: scale(0.97);
}

/* Search Suggestions Dropdown */
.suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 100;
    display: none;
    overflow: hidden;
}

.suggestions.active {
    display: block;
}

.suggestion-item {
    display: block;
    width: 100%;
    padding: 12px 20px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: background var(--transition);
    text-align: left;
    border: none;
    font-family: inherit;
}

.suggestion-item:hover,
.suggestion-item.highlighted {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.suggestion-item .highlight {
    font-weight: 600;
    color: var(--accent);
}

/* =========================================
   Search Results Page
   ========================================= */

.results-page {
    background: var(--bg-primary);
}

/* Navigation Bar */
.results-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(15, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    flex-shrink: 0;
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-logo:hover {
    color: var(--accent-hover);
}

.search-form-inline {
    flex: 1;
    margin: 0;
    max-width: none;
}

.search-box-inline {
    max-width: 600px;
}

.search-box-inline input {
    padding: 8px 12px;
    font-size: 0.95rem;
}

.search-btn-small {
    padding: 7px 18px;
    font-size: 0.85rem;
}

/* Results Main */
.results-main {
    flex: 1;
}

.results-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 24px;
}

/* Suggestions Bar */
.suggestions-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 0;
    margin-bottom: 8px;
}

.suggestions-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.suggestion-chip {
    display: inline-block;
    background: var(--accent-dim);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background var(--transition);
}

.suggestion-chip:hover {
    background: rgba(96, 165, 250, 0.2);
    color: var(--accent-hover);
}

/* Error Message */
.error-message {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin: 16px 0;
}

.error-message svg {
    flex-shrink: 0;
}

/* Results Stats */
.results-stats {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 12px 0 8px;
    margin-bottom: 4px;
}

.results-stats strong {
    color: var(--text-primary);
}

/* Results List */
.results-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.result-item:last-child {
    border-bottom: none;
}

.result-main {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

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

.result-url {
    display: block;
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-item h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.4;
}

.result-item h2 a {
    color: var(--accent);
}

.result-item h2 a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.result-snippet {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 6px;
}

.result-timestamp {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.result-thumb {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-card);
}

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

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 32px 0 48px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition);
    border: 1px solid var(--border);
}

.page-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.page-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   Explore / Random Articles
   ========================================= */

.explore-section {
    margin-top: 60px;
}

.explore-section h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.article-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--border);
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent-dim);
}

.article-thumb {
    width: 100%;
    height: 140px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.article-info {
    padding: 16px;
}

.article-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent);
}

.article-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================
   Features Section
   ========================================= */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.feature-card {
    text-align: center;
    padding: 24px 16px;
    color: var(--accent);
}

.feature-card svg {
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* =========================================
   Footer
   ========================================= */

.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.82rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* =========================================
   Responsive
   ========================================= */

@media (max-width: 768px) {
    .hero {
        padding: 40px 0 40px;
    }

    .logo h1 {
        font-size: 1.8rem;
    }

    .tagline {
        font-size: 1rem;
    }

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

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

    .result-main {
        flex-direction: column;
    }

    .result-thumb {
        width: 100%;
        height: 120px;
        order: -1;
    }

    .nav-inner {
        padding: 10px 16px;
        gap: 12px;
    }

    .nav-logo span {
        display: none;
    }

    .results-container {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .search-box {
        padding: 3px 3px 3px 16px;
    }

    .search-box input {
        font-size: 0.9rem;
        padding: 10px 8px;
    }

    .search-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}