@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');

:root {
    --background-color: #121212;
    --card-background: #1E1E1E;
    --text-color: #E0E0E0;
    --primary-color: #BB86FC;
    --secondary-color: #03DAC6;
    --border-color: #2E2E2E;
}

body.light-mode {
    --background-color: #F5F5F5;
    --card-background: #FFFFFF;
    --text-color: #212121;
    --primary-color: #6200EE;
    --secondary-color: #03DAC6;
    --border-color: #E0E0E0;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

#theme-toggle {
    position: absolute;
    top: 2rem;
    right: 2rem;
    padding: 0.5rem 1rem;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

#theme-toggle:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
}

#stock-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

stock-card {
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

stock-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

#comments-section {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

#comments-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

#comments-list {
    list-style: none;
    margin-bottom: 2rem;
}

#comments-list li {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#comments-list .comment-author {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

#comments-list .comment-body {
    line-height: 1.7;
}

#comment-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

#comment-form h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

#comment-form input,
#comment-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    color: var(--text-color);
    border-radius: 8px;
    font-family: inherit;
}

#comment-form button {
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--background-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    transition: background-color 0.3s;
    align-self: center;
}

#comment-form button:hover {
    opacity: 0.9;
}