@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root,
[data-theme="dark"] {
    --background-color: #1a1a2e;
    --primary-color: #16213e;
    --secondary-color: #0f3460;
    --accent-color: #e94560;
    --text-color: #ffffff;
    --font-family: 'Poppins', sans-serif;
    --toggle-bg: rgba(255, 255, 255, 0.1);
    --toggle-hover-bg: rgba(255, 255, 255, 0.2);
    --container-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --background-color: #f0f4ff;
    --primary-color: #dce6fb;
    --secondary-color: #ffffff;
    --accent-color: #e94560;
    --text-color: #1a1a2e;
    --toggle-bg: rgba(0, 0, 0, 0.08);
    --toggle-hover-bg: rgba(0, 0, 0, 0.15);
    --container-border: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 5rem 1rem 4rem;
    background-image: linear-gradient(45deg, var(--background-color), var(--primary-color));
    transition: background-color 0.3s ease, color 0.3s ease;
}

#theme-toggle {
    position: fixed;
    top: 1.2rem;
    right: 1.2rem;
    background: var(--toggle-bg);
    border: 1px solid var(--container-border);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    z-index: 100;
    backdrop-filter: blur(4px);
}

#theme-toggle:hover {
    background: var(--toggle-hover-bg);
    transform: scale(1.1);
}

.container {
    width: 100%;
    max-width: 480px;
    background-color: var(--secondary-color);
    padding: 2rem 3rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--container-border);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.numbers-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.number-ball {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

#generate-btn {
    background-color: var(--accent-color);
    color: var(--text-color);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.4);
}

#generate-btn:hover {
    background-color: #ff5777;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.6);
}

#generate-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(233, 69, 96, 0.4);
}

/* Contact Form */
.form-container {
    max-width: 480px;
    width: 100%;
    margin-top: 2rem;
    background-color: var(--secondary-color);
    padding: 2rem 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--container-border);
    transition: background-color 0.3s ease;
}

.form-container h2 {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 0.4rem;
    letter-spacing: 1px;
}

.form-desc {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.2rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    opacity: 0.85;
}

.form-group input,
.form-group textarea {
    background: var(--toggle-bg);
    border: 1px solid var(--container-border);
    border-radius: 8px;
    padding: 0.7rem 1rem;
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.2s ease, background 0.3s ease;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    opacity: 0.4;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    background: var(--toggle-hover-bg);
}

.submit-btn {
    width: 100%;
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    padding: 0.85rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.4);
    margin-top: 0.5rem;
}

.submit-btn:hover {
    background-color: #ff5777;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.6);
}

.submit-btn:active {
    transform: translateY(1px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

#form-status {
    margin-top: 0.8rem;
    font-size: 0.9rem;
    text-align: center;
    min-height: 1.2rem;
}

#form-status.success { color: #51cf66; }
#form-status.error   { color: #ff6b6b; }

/* Disqus */
.disqus-container {
    max-width: 480px;
    width: 100%;
    margin-top: 2rem;
    background-color: var(--secondary-color);
    padding: 2rem 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--container-border);
    transition: background-color 0.3s ease;
}

.disqus-container h2 {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    .number-ball {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    #generate-btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}