/* NewsFuse - Professional CSS Stylesheet */
/* Author: Aditya Kumar Tiwari */

/* RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #FDFBD4;
    min-height: 100vh;
    line-height: 1.6;
}

/* NAVIGATION STYLES */
.navbar {
    background: linear-gradient(135deg, rgba(66, 4, 126, 0.1), rgba(7, 244, 158, 0.1));
    backdrop-filter: blur(15px);
    border: none;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(66, 4, 126, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    background: linear-gradient(45deg, #000328, #00458e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* CATEGORY DROPDOWN STYLES */
.category-selector {
    position: relative;
    margin-left: auto;
}

.category-btn {
    background: rgba(255, 255, 255, 0.7);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    color: #42047e;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.category-btn:hover {
    background: linear-gradient(45deg, #42047e, #07f49e);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(66, 4, 126, 0.3);
}

.category-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(66, 4, 126, 0.2);
    padding: 0.5rem;
    margin-top: 0.5rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.category-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.category-item {
    padding: 0.7rem 1rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s ease;
    color: #42047e;
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    display: block;
}

.category-item:hover {
    background: linear-gradient(45deg, #42047e, #07f49e);
    color: white;
    transform: translateX(5px);
}

.category-item.active {
    background: linear-gradient(45deg, #42047e, #07f49e);
    color: white;
    box-shadow: 0 2px 8px rgba(66, 4, 126, 0.2);
}

.dropdown-arrow {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.dropdown-arrow.rotate {
    transform: rotate(180deg);
}

/* LAYOUT STYLES */
.container {
    width: 100%;
    margin: 2rem 0;
    padding: 0 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #42047e, #07f49e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* LOADING ANIMATION */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(66, 4, 126, 0.3);
    border-top: 3px solid #42047e;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== NEWS GRID LAYOUT ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    width: 100%;
}

/* NEWS CARD STYLES */
.news-card {
    background: linear-gradient(135deg, #42047e, #07f49e);
    border-radius: 20px;
    padding: 3px;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(66, 4, 126, 0.2);
    border: none;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(66, 4, 126, 0.3);
}

.card-inner {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(7, 244, 158, 0.05));
    border-radius: 17px;
    padding: 2rem;
    height: 530px;
    display: flex;
    flex-direction: column;
    border: none;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.2rem;
    border: none;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #42047e;
    margin-bottom: 1rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-height: 3.4em;
}

.card-description {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-height: 4.3em;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(66, 4, 126, 0.2);
    margin-top: auto;
}

.card-source {
    font-size: 0.85rem;
    color: #42047e;
    font-weight: 600;
    background: rgba(66, 4, 126, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    border: none;
}

.card-date {
    font-size: 0.8rem;
    color: #42047e;
    font-weight: 500;
}

.read-more {
    background: linear-gradient(45deg, #000328, #00458e);
    color: white;
    border: none;
    padding: 0.7rem 1.8rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    margin-top: 1.2rem;
}

.read-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 3, 40, 0.4);
}

/* ERROR HANDLING */
.error {
    background: rgba(255, 255, 255, 0.9);
    color: #e74c3c;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

/* PLACEHOLDER IMAGE */
.placeholder-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #42047e, #07f49e);
    border-radius: 12px;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    font-weight: 300;
    border: none;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1200px) {
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
        position: relative;
    }

    .logo {
        position: static;
        transform: none;
        margin: 0 auto;
    }

    .category-selector {
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0;
    }

    .header h1 {
        font-size: 2rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .container {
        padding: 0 1rem;
    }
    
    .card-inner {
        padding: 1.8rem;
        height: auto;
        min-height: 530px;
    }

    .category-dropdown {
        right: 0;
        transform: translateY(-10px);
    }

    .category-dropdown.show {
        transform: translateY(0);
    }
}