/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Merriweather:ital,wght@0,300;0,400;0,700;1,400&display=swap');

:root {
    --primary-color: #0f172a;
    --accent-color: #3b82f6;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --success-color: #22c55e;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    margin-bottom: 3rem;
    text-align: center;
}

h1 {
    font-family: 'Merriweather', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #64748b;
    font-size: 1.1rem;
}

/* Article List */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.article-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.article-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.article-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
    flex-grow: 1;
}

/* Controls */
.controls {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    z-index: 100;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #e2e8f0;
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #cbd5e1;
}

.btn-danger {
    background-color: #dc2626;
    color: white;
}

.btn-danger:hover {
    background-color: #b91c1c;
    transform: translateY(-1px);
}

.logo {
    max-width: 300px;
    height: auto;
    margin-bottom: 0.5rem;
}

/* Results Section */
.results-section {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.result-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.result-header {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.result-content {
    padding: 2rem;
}

.result-title {
    font-family: 'Merriweather', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.result-summary {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    white-space: pre-wrap;
}

.result-hashtags {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    flex-direction: column;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e2e8f0;
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.loading-text {
    font-weight: 600;
    color: var(--primary-color);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Checkbox States */
.article-item.selected {
    border-color: var(--accent-color);
    background-color: #eff6ff;
}