/* ===== Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
    color: #f0f0f0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
header {
    background: rgba(15,15,15,0.95);
    padding: 20px 0;
    border-bottom: 1px solid #333;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}
.logo img {
    height: 45px;
    width: 45px;
    border-radius: 50%;
    border: 2px solid #fff;
    padding: 3px;
    background: #fff;
}
.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 40px 0;
}
.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 300;
}
.hero p {
    color: #bbb;
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* ===== Search ===== */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 30px auto;
}
.search-input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    border-radius: 50px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.search-input:focus {
    outline: none;
    background: rgba(255,255,255,0.15);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}
.search-input::placeholder {
    color: rgba(255,255,255,0.6);
}
.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 1.2rem;
}

/* ===== Category Buttons ===== */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
    flex-wrap: wrap;
}
.category-btn {
    padding: 10px 20px;
    border: 1px solid #444;
    border-radius: 30px;
    background: rgba(255,255,255,0.05);
    color: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}
.category-btn:hover,
.category-btn.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: #666;
}

/* ===== Apps Grid ===== */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
    gap: 25px;
    margin: 40px 0;
}
.app-card {
    background: linear-gradient(145deg, #1a1a1a, #222);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid #333;
    transition: all 0.3s ease;
}
.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    border-color: #555;
}
.app-image {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background: #000;
    padding: 25px;
    border-bottom: 1px solid #333;
}
.app-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.app-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #fff;
}
.app-description {
    color: #bbb;
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}
.app-link {
    display: block;
    text-align: center;
    padding: 12px;
    background: linear-gradient(to right, #fff 0%, #ddd 100%);
    color: #000;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: auto;
}
.app-link:hover {
    background: linear-gradient(to right, #ddd 0%, #fff 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,255,255,0.1);
}

/* ===== Footer ===== */
footer {
    background: rgba(15,15,15,0.95);
    margin-top: auto;
    padding: 30px 0;
    border-top: 1px solid #333;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
}
.nav-links a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
}
.nav-links a:hover {
    color: #fff;
}