@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800&display=swap');

:root {
    --bg-color: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --bg-flat: #f5f7fa;
    --container-bg: rgba(255, 255, 255, 0.85);
    --container-border: 1px solid rgba(255, 255, 255, 0.4);
    --text-color: #1e293b;
    --text-muted: #64748b;
    --number-bg: #f1f5f9;
    --number-text: #2563eb;
    --number-border: 2px solid rgba(37, 99, 235, 0.2);
    --button-bg: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --button-hover: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --button-text: #ffffff;
    --toggle-btn-bg: #ffffff;
    --toggle-btn-color: #1e293b;
    --toggle-btn-border: 1px solid #e2e8f0;
    --box-shadow: 0 20px 40px rgba(148, 163, 184, 0.15);
    --card-glow: 0 0 20px rgba(59, 130, 246, 0.1);
    --focus-border: #2563eb;
    --focus-glow: rgba(37, 99, 235, 0.15);
}

[data-theme="dark"] {
    --bg-color: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --bg-flat: #0f172a;
    --container-bg: rgba(15, 23, 42, 0.7);
    --container-border: 1px solid rgba(255, 255, 255, 0.05);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --number-bg: rgba(30, 41, 59, 0.8);
    --number-text: #38bdf8;
    --number-border: 2px solid rgba(56, 189, 248, 0.3);
    --button-bg: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --button-hover: linear-gradient(135deg, #059669 0%, #047857 100%);
    --button-text: #ffffff;
    --toggle-btn-bg: #1e293b;
    --toggle-btn-color: #f8fafc;
    --toggle-btn-border: 1px solid #334155;
    --box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    --card-glow: 0 0 25px rgba(56, 189, 248, 0.15);
    --focus-border: #38bdf8;
    --focus-glow: rgba(56, 189, 248, 0.2);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-flat);
    background-image: var(--bg-color);
    background-attachment: fixed;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 3rem 0;
    gap: 2rem;
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.4s ease;
}

#theme-toggle {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    background-color: var(--toggle-btn-bg);
    border: var(--toggle-btn-border);
    color: var(--toggle-btn-color);
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--box-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
}

#theme-toggle:active {
    transform: scale(0.95);
}

.container {
    background-color: var(--container-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--container-border);
    padding: 3rem 2.5rem;
    border-radius: 2rem;
    box-shadow: var(--box-shadow), var(--card-glow);
    text-align: center;
    max-width: 90%;
    width: 500px;
    transition: background-color 0.4s ease, box-shadow 0.4s ease, border 0.4s ease;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.05em;
}

.winning-numbers {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.number {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background-color: var(--number-bg);
    border: var(--number-border);
    color: var(--number-text);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 800;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Popping animation for drawn numbers */
.number.pop {
    animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes popIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

#draw-button {
    background: var(--button-bg);
    color: var(--button-text);
    padding: 1.1rem 2.5rem;
    border: none;
    border-radius: 1rem;
    cursor: pointer;
    font-size: 1.25rem;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

#draw-button:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.3);
}

#draw-button:active {
    transform: translateY(1px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.2);
}

/* Tab Navigation Styles */
.tab-navigation {
    display: flex;
    background-color: var(--number-bg);
    padding: 0.35rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
    border: 1px solid var(--toggle-btn-border);
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    color: var(--text-color);
}

.tab-btn.active {
    background-color: var(--toggle-btn-bg);
    color: var(--focus-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Tab Content Visibility Styles */
.tab-content {
    display: none;
    opacity: 0;
}

.tab-content.active {
    display: block;
    animation: fadeInTab 0.4s ease forwards;
}

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

/* Subtitle */
.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    margin-top: -0.5rem;
}

/* Form Styles */
.form-container {
    text-align: left;
    margin-top: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.25rem;
    flex: 1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.required {
    color: #ef4444;
    margin-left: 3px;
    font-weight: bold;
}

/* Form Inputs styling */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--toggle-btn-border);
    background-color: var(--number-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
    width: 100%;
}

.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group input[type="tel"]::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--focus-border);
    box-shadow: 0 0 0 3px var(--focus-glow);
    background-color: var(--toggle-btn-bg);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Custom Dropdown styling */
.select-wrapper {
    position: relative;
    width: 100%;
}

.select-wrapper::after {
    content: "▾";
    font-size: 1rem;
    position: absolute;
    right: 1.1rem;
    top: 50%;
    transform: translateY(-55%);
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.3s ease;
}

.select-wrapper:focus-within::after {
    color: var(--focus-border);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* Custom Checkbox */
.checkbox-group {
    margin: 1.5rem 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    position: relative;
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    display: inline-block;
    height: 1.2rem;
    width: 1.2rem;
    background-color: var(--number-bg);
    border: 1px solid var(--toggle-btn-border);
    border-radius: 0.35rem;
    margin-right: 0.6rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--focus-border);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--focus-border);
    border-color: var(--focus-border);
}

.checkmark::after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark::after {
    display: block;
}

.checkbox-container .checkmark::after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Submit Button & Secondary Button */
#submit-btn {
    width: 100%;
    background: var(--button-bg);
    color: var(--button-text);
    padding: 1.1rem;
    border: none;
    border-radius: 1rem;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 8px 16px var(--focus-glow);
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

#submit-btn:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px var(--focus-glow);
}

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

#submit-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--toggle-btn-border);
    color: var(--text-color);
    padding: 0.85rem 2rem;
    border-radius: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    background: var(--number-bg);
    border-color: var(--focus-border);
    color: var(--focus-border);
}

/* Form Status Screen */
.form-status {
    display: none;
    text-align: center;
    padding: 2.5rem 1rem;
    animation: scaleUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.form-status.active {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-status h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 1.5rem 0 0.75rem 0;
    color: var(--text-color);
}

.form-status p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 380px;
}

/* Success Checkmark Animation */
.checkmark-circle {
    width: 80px;
    height: 80px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 4px solid var(--focus-border);
    background-color: transparent;
    box-shadow: 0 0 15px var(--focus-glow);
    margin: 0 auto 0.5rem auto;
}

.checkmark-icon {
    width: 20px;
    height: 38px;
    border: solid var(--focus-border);
    border-width: 0 5px 5px 0;
    transform: rotate(45deg);
    margin-top: -6px;
    border-radius: 1px;
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes scaleUp {
    from {
        transform: scale(0.92);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .container {
        padding: 2rem 1.5rem;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    h1 {
        font-size: 2rem;
    }
}

/* Animal Face Test Section Styles */
.animal-test-container {
    position: relative;
    width: 100%;
    margin-top: 1.5rem;
}

.model-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 3rem 1.5rem;
    color: var(--text-color);
}

.model-loading p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.upload-area {
    border: 2px dashed var(--toggle-btn-border);
    border-radius: 1.5rem;
    padding: 3rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    background-color: transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.upload-area:hover {
    border-color: var(--focus-border);
    background-color: var(--number-bg);
}

.upload-area.dragover {
    border-color: var(--focus-border);
    background-color: var(--number-bg);
    box-shadow: inset 0 0 10px var(--focus-glow);
    transform: scale(1.01);
}

.upload-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.05));
    transition: transform 0.3s ease;
}

.upload-area:hover .upload-icon {
    transform: translateY(-5px) scale(1.1);
}

.upload-text {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.upload-btn {
    background: var(--button-bg);
    color: var(--button-text);
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 10px var(--focus-glow);
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 0.95rem;
}

.upload-btn:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--focus-glow);
}

.upload-tip {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1rem;
    opacity: 0.8;
}

.divider {
    display: flex;
    align-items: center;
    width: 80%;
    margin: 1.5rem auto;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--toggle-btn-border);
}

.divider span {
    padding: 0 0.75rem;
    opacity: 0.7;
}

.webcam-toggle-btn {
    background: transparent;
    border: 1px solid var(--toggle-btn-border);
    color: var(--text-color);
    padding: 0.8rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 0.95rem;
}

.webcam-toggle-btn:hover {
    background-color: var(--number-bg);
    border-color: var(--focus-border);
    color: var(--focus-border);
}

.preview-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}

.media-container {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    width: 100%;
    max-width: 260px;
    aspect-ratio: 1 / 1;
    background: var(--number-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--toggle-btn-border);
    box-shadow: var(--box-shadow);
}

.media-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-container canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* Mirror camera for webcam */
    display: block;
}

.control-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
    width: 100%;
}

.webcam-stop-btn {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff;
    padding: 0.85rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 0.95rem;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.2);
}

.webcam-stop-btn:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(239, 68, 68, 0.3);
}

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

/* Results section */
.animal-result {
    text-align: left;
    width: 100%;
    background-color: var(--number-bg);
    padding: 1.5rem;
    border-radius: 1.25rem;
    border: 1px solid var(--toggle-btn-border);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.result-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.result-badge {
    display: inline-block;
    align-self: flex-start;
    background: var(--focus-border);
    color: #ffffff;
    font-weight: 800;
    padding: 0.3rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 4px 8px var(--focus-glow);
}

.result-message {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-color);
    line-height: 1.4;
}

.result-bars {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.result-bar-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
}

.bar-track {
    height: 14px;
    background-color: var(--toggle-btn-border);
    border-radius: 7px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    border-radius: 7px;
    width: 0%;
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dog-fill {
    background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 100%);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.cat-fill {
    background: linear-gradient(90deg, #ec4899 0%, #f472b6 100%);
    box-shadow: 0 0 10px rgba(236, 72, 153, 0.3);
}

/* Comments Section Styles */
.comments-container {
    text-align: left;
    margin-bottom: 3rem;
}

.comments-container h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}