:root {
    --bg-color: #fbfbfd;
    --container-bg-color: rgba(255, 255, 255, 0.8);
    --text-color: #1d1d1f;
    --sub-text-color: #86868b;
    --button-bg-color: #0071e3;
    --button-hover-bg-color: #0077ed;
    --button-text-color: #fff;
    --lotto-gradient-1: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
    --lotto-gradient-2: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
    --lotto-gradient-3: linear-gradient(120deg, #84fab0 0%, #8fd3f4 100%);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
}

body.dark-mode {
    --bg-color: #000000;
    --container-bg-color: rgba(28, 28, 30, 0.8);
    --text-color: #f5f5f7;
    --sub-text-color: #a1a1a6;
    --button-bg-color: #2997ff;
    --button-hover-bg-color: #0071e3;
    --button-text-color: #fff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 60px 0;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.container {
    text-align: center;
    background-color: var(--container-bg-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 60px 40px;
    border-radius: 30px;
    box-shadow: 0 20px 40px var(--shadow-color);
    border: var(--glass-border);
    transition: all 0.5s ease;
    max-width: 600px;
    width: 90%;
    margin-bottom: 40px;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #0071e3, #9b59b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.subtitle {
    font-size: 19px;
    color: var(--sub-text-color);
    margin-bottom: 40px;
    font-weight: 400;
}

/* Theme Toggle Button (Minimalist) */
#theme-toggle-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    color: var(--button-bg-color);
    border: none;
    font-size: 14px;
    cursor: pointer;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: background-color 0.3s;
}

#theme-toggle-btn:hover {
    background-color: rgba(128, 128, 128, 0.1);
}

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.tab-btn {
    background-color: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--sub-text-color);
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}

.tab-btn.active {
    color: var(--text-color);
    border-bottom-color: var(--button-bg-color);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Lotto Styles */
.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    min-height: 70px;
    flex-wrap: wrap;
}

.lotto-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-image: var(--lotto-gradient-1);
    color: #333; 
    font-size: 24px;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    opacity: 0;
    transform: scale(0.5) translateY(20px);
    animation: popIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popIn {
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.lotto-number:nth-child(2n) { background-image: var(--lotto-gradient-2); }
.lotto-number:nth-child(3n) { background-image: var(--lotto-gradient-3); }

#generate-btn {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 18px 40px;
    font-size: 17px;
    font-weight: 600;
    border-radius: 980px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

#generate-btn:hover {
    background-color: var(--button-hover-bg-color);
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.4);
}

#generate-btn:active {
    transform: scale(0.98);
}

/* Upload Area */
.upload-area {
    width: 100%;
    max-width: 400px;
    height: 300px;
    border: 2px dashed var(--sub-text-color);
    border-radius: 20px;
    margin: 0 auto 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: border-color 0.3s;
    overflow: hidden;
    position: relative;
}

.upload-area:hover {
    border-color: var(--button-bg-color);
    background-color: rgba(0, 0, 0, 0.02);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--sub-text-color);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.secondary-btn {
    background-color: transparent;
    color: var(--button-bg-color);
    border: 1px solid var(--button-bg-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    margin-top: 15px;
    transition: background-color 0.3s, color 0.3s;
}

.secondary-btn:hover {
    background-color: var(--button-bg-color);
    color: white;
}

#webcam-container {
    width: 100%;
    height: 100%;
    display: none;
}

#webcam-container canvas {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    border-radius: 18px;
}

#image-preview {
    width: 100%;
    height: 100%;
    object-fit: contain; /* or cover, depending on preference */
    border-radius: 18px;
}

/* Loading Spinner */
.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-left-color: var(--button-bg-color);
    animation: spin 1s ease infinite;
    position: absolute;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Result Area */
.result-container {
    margin-bottom: 30px;
}

.result-message {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.bar-container {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
}

.bar-label {
    width: 60px;
    text-align: right;
    margin-right: 10px;
    font-weight: 500;
}

.bar-bg {
    flex-grow: 1;
    height: 10px;
    background-color: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
    margin-right: 10px;
}

.bar-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.5s ease-out;
}

.bar-percent {
    width: 50px;
    text-align: left;
    color: var(--sub-text-color);
}

#predict-btn {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 18px 40px;
    font-size: 17px;
    font-weight: 600;
    border-radius: 980px; /* Pill shape */
    cursor: pointer;
    transition: transform 0.2s, background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

#predict-btn:hover {
    background-color: var(--button-hover-bg-color);
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.4);
}

#predict-btn:active {
    transform: scale(0.98);
}

/* Contact Form Styles */
.contact-container {
    padding: 40px;
}

.contact-container h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--sub-text-color);
    background-color: transparent;
    color: var(--text-color);
    font-size: 16px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--button-bg-color);
}

#submit-btn {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

#submit-btn:hover {
    background-color: var(--button-hover-bg-color);
}

/* Disqus Container */
.disqus-container {
    padding: 30px;
    text-align: initial; /* Reset center alignment for comments */
}