:root {
    /* Color Palette - Calm Botanical & Skincare */
    --primary: #4A7C59; /* Sage Green */
    --primary-light: #8BB197; /* Soft Green */
    --accent: #C8D5B9; /* Matcha / Light Earth */
    --bg-color: #F4F7F4; /* Calming off-white */
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(139, 177, 151, 0.3);
    --text-main: #2D3B31;
    --text-muted: #5C7062;
    
    --success: #4A7C59;
    --warning: #D4A373;
    --danger: #E07A5F;
    --info: #8BB197;

    /* Styling */
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    /* Soft earthy/botanical dot motif */
    background-image: 
        radial-gradient(var(--accent) 1px, transparent 1px), 
        radial-gradient(var(--primary-light) 1px, transparent 1px);
    background-size: 80px 80px;
    background-position: 0 0, 40px 40px;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Blobs for Organic Aesthetic */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    top: -5%;
    left: -5%;
    width: 450px;
    height: 400px;
    background: #D3E4CD; /* Soft sage */
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; /* Organic shape */
}

.blob-2 {
    bottom: -10%;
    right: -5%;
    width: 350px;
    height: 350px;
    background: #F2E3C6; /* Warm sand / skincare tone */
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation-delay: 3s;
}

.blob-3 {
    top: 30%;
    left: 70%;
    width: 300px;
    height: 300px;
    background: #E8DBCE; /* Clay mask color */
    border-radius: 50% 50% 30% 70% / 50% 50% 70% 50%;
    animation-duration: 25s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    50% { transform: translate(20px, 30px) scale(1.05) rotate(5deg); }
    100% { transform: translate(-10px, 40px) scale(0.95) rotate(-5deg); }
}

/* Botanical Motifs */
.botanical-motif {
    position: absolute;
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

.motif-1 {
    top: 5%;
    left: 2%;
    width: 120px;
    transform: rotate(15deg);
    animation: sway 10s infinite ease-in-out alternate;
}

.motif-2 {
    bottom: 5%;
    right: 2%;
    width: 160px;
    transform: rotate(-20deg);
    animation: sway 12s infinite ease-in-out alternate-reverse;
}

@keyframes sway {
    0% { transform: rotate(15deg) translateY(0); }
    100% { transform: rotate(25deg) translateY(-15px); }
}

/* App Container */
.app-container {
    width: 100%;
    max-width: 800px;
    padding: 2rem;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    letter-spacing: -1px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Utilities */
.text-center { text-align: center; }
.hidden { display: none !important; }
.active { display: block; animation: fadeIn 0.5s ease-out forwards; }

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

/* Glassmorphism Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 10px 40px -10px rgba(15, 23, 42, 0.08);
}

/* Typography in Cards */
.glass-card h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.glass-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.glass-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.icon-wrapper {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(2, 132, 199, 0.05);
    border-radius: 50%;
    border: 1px solid var(--card-border);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 14px 0 rgba(2, 132, 199, 0.25);
    font-family: inherit;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.3);
    background: linear-gradient(135deg, #0369A1, #059669);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: #CBD5E1;
    box-shadow: none;
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.btn-secondary:hover {
    background: #F8FAFC;
    border-color: #94A3B8;
}

.btn-text {
    background: transparent;
    color: var(--text-muted);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    margin-top: 1rem;
}

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

/* Pulse animation for scanning button */
.btn-pulse {
    position: relative;
}
.btn-pulse.scanning::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: inherit;
    border: 2px solid var(--primary-light);
    animation: pulse 1.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.2); opacity: 0; }
}

/* Scanner View */
.scanner-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 3/4;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    margin-bottom: 1.5rem;
    border: 1px solid var(--card-border);
}

#camera-feed, #image-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
#camera-feed {
    transform: scaleX(-1); /* Mirror effect for camera only */
}

/* Overlay Scanning Animation */
.scan-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 2;
}

.scan-frame-corners {
    position: absolute;
    top: 10%; left: 10%; right: 10%; bottom: 10%;
    border: 2px solid transparent;
}
.scan-frame-corners::before, .scan-frame-corners::after {
    content: ''; position: absolute; width: 30px; height: 30px; border-color: var(--primary); border-style: solid;
}
.scan-frame-corners::before { top: 0; left: 0; border-width: 3px 0 0 3px; }
.scan-frame-corners::after { bottom: 0; right: 0; border-width: 0 3px 3px 0; }

.scan-overlay .top-right-corner { position: absolute; top: 10%; right: 10%; width: 30px; height: 30px; border-top: 3px solid var(--primary); border-right: 3px solid var(--primary); }
.scan-overlay .bottom-left-corner { position: absolute; bottom: 10%; left: 10%; width: 30px; height: 30px; border-bottom: 3px solid var(--primary); border-left: 3px solid var(--primary); }


.scan-line {
    position: absolute;
    top: 10%; left: 10%; right: 10%;
    height: 2px;
    background: var(--primary-light);
    box-shadow: 0 0 10px var(--primary-light), 0 0 20px var(--primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.scan-line.scanning {
    opacity: 1;
    animation: scanMove 2s infinite ease-in-out alternate;
}

@keyframes scanMove {
    0% { top: 10%; }
    100% { top: 90%; }
}

.scanner-controls {
    text-align: center;
    width: 100%;
}

.scanner-controls p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Loading View */
.loading-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.loader {
    display: flex;
    gap: 10px;
    margin-bottom: 2rem;
}

.loader-circle {
    width: 20px;
    height: 20px;
    background: var(--primary-light);
    border-radius: 50%;
    animation: bounce 0.5s infinite alternate;
}
.loader-circle:nth-child(2) { animation-delay: 0.15s; background: var(--primary); }
.loader-circle:nth-child(3) { animation-delay: 0.3s; background: var(--info); }

@keyframes bounce {
    to { transform: translateY(-15px); }
}

.fade-text {
    animation: fadeInOut 2s infinite;
}
@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Results Dashboard */
.results-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 2rem;
}

.skin-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #F1F5F9;
    border: 1px solid var(--card-border);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.skin-desc {
    margin-bottom: 0 !important;
}

.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.rec-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.3s;
    background: #FFFFFF;
}
.rec-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.05);
}

.rec-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: #F1F5F9;
    width: 50px; height: 50px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
}

.rec-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text-main);
}

.rec-list {
    list-style: none;
    color: var(--text-muted);
}
.rec-list li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}
.rec-list li::before {
    content: '•';
    color: var(--primary-light);
    font-size: 1.5rem;
    line-height: 1;
}

.rec-text {
    color: var(--text-muted) !important;
    font-size: 0.95rem !important;
    margin-bottom: 0 !important;
}

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

/* Responsive */
@media (max-width: 600px) {
    .app-container { padding: 1rem; }
    .glass-card { padding: 1.5rem; }
    .recommendations-grid { grid-template-columns: 1fr; }
    .video-container { aspect-ratio: 3/4; max-height: 60vh; }
}