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

:root {
    --background-color: #f0f2f5;
    --text-color: #333;
    --header-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --button-background: linear-gradient(45deg, #007bff, #00d2ff);
    --button-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
    --lotto-ball-background: linear-gradient(45deg, #ff9a9e, #fad0c4);
    --lotto-ball-shadow: 0 0 10px #ff9a9e, 0 0 20px #fad0c4;
    --form-background: #ffffff;
    --form-border: #e0e0e0;
    --input-background: #f8f8f8;
    --input-border: #cccccc;
    --webcam-border: #e0e0e0;
    --label-text-color: #555;
    --label-bg-color: #f0f0f0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    --background-color: #1a1a1a;
    --text-color: #f0f2f5;
    --header-shadow: 0 2px 4px rgba(255, 255, 255, 0.1);
    --button-background: linear-gradient(45deg, #00aeff, #a6ffcb);
    --button-shadow: 0 4px 15px rgba(0, 174, 255, 0.2);
    --lotto-ball-background: linear-gradient(45deg, #ff9a9e, #fad0c4);
    --lotto-ball-shadow: 0 0 10px #ff9a9e, 0 0 20px #fad0c4;
    --form-background: #2a2a2a;
    --form-border: #3a3a3a;
    --input-background: #333333;
    --input-border: #555555;
    --webcam-border: #3a3a3a;
    --label-text-color: #bbb;
    --label-bg-color: #2a2a2a;
}

.container {
    text-align: center;
    background: var(--form-background); /* Use form background for container to match form */
    padding: 2rem 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0,0,0,0.05);
    width: 100%;
    max-width: 600px;
}

body.dark-mode .container {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255,255,255,0.1);
}


header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap; /* Allow header items to wrap */
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    font-weight: 600;
    flex-grow: 1; /* Allow h1 to take up available space */
    text-align: left;
}

.header-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    margin-right: 1.5rem; /* Space between link and h1/nav */
    transition: color 0.3s ease;
}

.header-link:hover {
    color: var(--button-background);
}

.header-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-image: var(--button-background);
    color: #fff;
    text-decoration: none;
    border-radius: 20px;
    font-weight: 600;
    margin-left: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--button-shadow);
}

.header-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.4);
}

nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--button-background); /* Use a vibrant color on hover */
}


#theme-toggle {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--text-color);
    background: transparent;
    border: 1px solid var(--text-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 100px;
}

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

.lotto-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

.lotto-numbers {
    display: flex;
    gap: 1rem;
}

#generate-button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    color: #fff;
    background-image: var(--button-background);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--button-shadow);
    font-weight: 600;
}

#generate-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

body.dark-mode #generate-button:hover {
    box-shadow: 0 6px 20px rgba(0, 174, 255, 0.3);
}

/* Contact Form Specific Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
    margin-top: 2rem;
}

.contact-form label {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background-color: var(--input-background);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s, background-color 0.3s;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: var(--button-background);
    outline: none;
}

.contact-form button[type="submit"] {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    color: #fff;
    background-image: var(--button-background);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--button-shadow);
    font-weight: 600;
    margin-top: 1rem;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

body.dark-mode .contact-form button[type="submit"]:hover {
    box-shadow: 0 6px 20px rgba(0, 174, 255, 0.3);
}

.form-instruction {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1rem;
}

body.dark-mode .form-instruction {
    color: #bbb;
}

/* Pet Face Test Specific Styles */
#webcam-container {
    margin: 2rem auto;
    border: 2px solid var(--webcam-border);
    border-radius: 10px;
    overflow: hidden; /* Ensures the canvas inside is contained */
}

#webcam-container canvas {
    display: block; /* Remove extra space below canvas */
    margin: 0 auto;
}

#label-container {
    margin-top: 1rem;
    font-size: 1.1rem;
}

#label-container div {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: var(--label-bg-color);
    color: var(--label-text-color);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

body.dark-mode #label-container div {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.pet-test-button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    color: #fff;
    background-image: var(--button-background);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--button-shadow);
    font-weight: 600;
    margin-top: 1rem;
}

.pet-test-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

body.dark-mode .pet-test-button:hover {
    box-shadow: 0 6px 20px rgba(0, 174, 255, 0.3);
}

.footer-link-container {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--input-border);
    text-align: center;
}

.footer-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--button-background);
}