:root {
    --accent-color: #21c16b;
    --primary-color: #22c55e;
    --secondary-color: #3b82f6;
    --background-color: #ffffff;
    --text-color: #1b1b18;
    --blur-amount: 20px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    transition: none;
}

/* Background Handling */
.body-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* Light Mode Styles */
body.light-mode {
    color: #ffffff;
}

/* Dark Mode Styles */
body.dark-mode {
    color: #ffffff;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: none;
    font-size: 20px;
    color: white;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.background-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: rgba(255, 255, 255, 0.5);
}

body.dark-mode .background-overlay {
    background: rgba(0, 0, 0, 0.55);
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.form-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Disable blur on low-end devices/preference */
@media (prefers-reduced-motion: reduce) {
    .form-card, .theme-toggle, .camera-container {
        background: rgba(255, 255, 255, 1) !important;
    }
    body.dark-mode .form-card {
        background: rgba(31, 41, 55, 1) !important;
    }
}

/* Dark Mode Specific Styles for Card and Inputs */
body.dark-mode .form-card {
    background: rgba(31, 41, 55, 0.98);
    border: 1px solid rgba(75, 85, 99, 0.4);
    color: #f9fafb;
}

body.dark-mode h1, 
body.dark-mode .section-title {
    color: #f9fafb !important;
}

body.dark-mode p, 
body.dark-mode .form-label {
    color: #d1d5db !important;
}

body.dark-mode .form-input {
    background: #374151;
    border-color: #4b5563;
    color: #f9fafb;
}

body.dark-mode .form-input::placeholder {
    color: #9ca3af;
}

body.dark-mode .form-input:focus {
    background: #1f2937;
    border-color: var(--accent-color);
}

body.dark-mode .form-input:hover {
    background: #4b5563;
    border-color: #6b7280;
}

body.dark-mode .btn-secondary {
    background: #4b5563;
    color: #f9fafb;
    border-color: #6b7280;
}

body.dark-mode .camera-container {
    background: rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    color: #1f2937;
    font-size: 14px;
    transition: none;
}

.form-input::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: #ffffff;
    box-shadow: none;
}

.form-input:hover {
    border-color: #d1d5db;
    background: #fafafa;
}

/* Valid Input Indicator */
.form-input.is-valid {
    border-color: #22c55e !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2322c55e' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right calc(0.375em + 0.1875rem) center !important;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem) !important;
    padding-right: calc(1.5em + 0.75rem) !important;
}

body.dark-mode .form-input.is-valid {
    background-color: #1f2937 !important;
}

/* Select dropdown styling */
select.form-input {
    cursor: pointer;
    appearance: auto;
    -webkit-appearance: auto;
    -moz-appearance: auto;
    padding-right: 16px;
}

/* Textarea styling */
textarea.form-input {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: none;
    font-size: 15px;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, #0a9b4e 100%);
    color: white;
    width: 100%;
    box-shadow: none;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: none;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #e5e7eb;
    width: 100%;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: none;
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 15px;
    }
    .form-card {
        padding: 25px;
    }
}

.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-weight: 500;
    border: 1px solid;
    animation: none;
}

.alert-success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.3);
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
}

.camera-container {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(33, 193, 107, 0.4);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    max-width: 380px;
    margin: 0 auto;
}

#video, #canvas {
    width: 320px;
    height: 240px;
    border-radius: 12px;
    box-shadow: none;
    border: 2px solid rgba(33, 193, 107, 0.3);
    position: relative;
    z-index: 1;
}

#photo-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 3px solid rgba(33, 193, 107, 0.5);
    box-shadow: none;
    position: relative;
    z-index: 1;
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: none;
    border: 2px solid rgba(33, 193, 107, 0.3);
}

.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 20px;
}

.mt-6 {
    margin-top: 30px;
}

.hidden {
    display: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: none;
}