/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0a0a0a; /* Deep black */
    color: #ffffff; /* White text */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
nav {
    background-color: #111111;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #333;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    transition: text-shadow 0.3s;
}

nav a:hover {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* Login Page Styles */
.login-container {
    background: #111111;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    text-align: center;
    margin: auto;
    width: 100%;
    max-width: 400px;
    border: 1px solid #333;
}

.login-container h1 {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

input {
    width: 100%;
    padding: 10px;
    margin: 15px 0;
    border: 1px solid #444;
    border-radius: 5px;
    background-color: #1a1a1a;
    color: white;
    outline: none;
    transition: box-shadow 0.3s;
}

input:focus {
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    border-color: white;
}

button {
    background-color: #ffffff;
    color: #000000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
}

button:hover {
    background-color: #e0e0e0;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
}

.error {
    color: #ff4444;
    margin-top: 10px;
    font-size: 14px;
    text-shadow: 0 0 5px rgba(255, 68, 68, 0.5);
}

/* Main Showcase Styles */
.main-content {
    text-align: center;
    padding: 3rem;
}

.product-card {
    display: inline-block;
    background: #111111;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
    margin-top: 20px;
    width: 300px;
    border: 1px solid #333;
}

.product-card:hover {
    transform: scale(1.03);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
    border-color: white;
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid #333;
}

.product-info {
    padding: 15px;
}

.price {
    color: #ffffff;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 5px 0;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Product Details Page */
.product-details-container {
    max-width: 900px;
    margin: 40px auto;
    background: #111111;
    padding: 2rem;
    border-radius: 10px;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    border: 1px solid #333;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}

.product-details-container img {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    border: 1px solid #333;
}

.details-text {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.details-text h1 {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.buy-btn {
    --glow-color: rgb(217, 176, 255);
    --glow-spread-color: rgba(191, 123, 255, 0.781);
    --enhanced-glow-color: rgb(231, 206, 255);
    --btn-color: rgb(100, 61, 136);
    border: 0.25em solid var(--glow-color);
    padding: 1em 3em;
    color: var(--glow-color);
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    background-color: var(--btn-color);
    border-radius: 1em;
    outline: none;
    box-shadow: 0 0 1em 0.25em var(--glow-color),
      0 0 4em 1em var(--glow-spread-color),
      inset 0 0 0.74em 0.25em var(--glow-color);
    text-shadow: 0 0 0.5em var(--glow-color);
    position: relative;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
  }

  .buy-btn::after {
    pointer-events: none;
    content: "";
    position: absolute;
    top: 120%;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: var(--glow-spread-color);
    filter: blur(2em);
    opacity: 0.7;
    transform: perspective(1.5em) rotateX(35deg) scale(1, 0.6);
  }

  .buy-btn:hover {
    color: var(--btn-color);
    background-color: var(--glow-color);
    box-shadow: 0 0 1em 0.25em var(--glow-color),
    0 0 4em 2em var(--glow-spread-color),
    inset 0 0 0.75em 0.25em var(--glow-color);
  }

  .buy-btn:active {
    box-shadow: 0 0 0.6em 0.25em var(--glow-color),
    0 0 2.5em 2em var(--glow-spread-color),
    inset 0 0 0.5em 0.25em var(--glow-color);
  }