:root {
    --bg-color: #0d0f14;
    --card-bg: rgba(20, 24, 34, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-primary: #4f46e5;
    --accent-secondary: #818cf8;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    --error-color: #ef4444;
    --success-color: #10b981;
    --font-family: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Animated Orbs */
.background-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: drift 20s infinite alternate ease-in-out;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(79,70,229,0.5) 0%, rgba(0,0,0,0) 70%);
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(6,182,212,0.4) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -5s;
}

.orb-3 {
    top: 40%;
    left: 50%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -10s;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10vw, -10vh) scale(1.1); }
}

/* Container & Layout */
.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 2.5rem;
    animation: fadeDown 0.8s ease-out forwards;
}

.header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
}

/* Glassy Card Styles */
.glassy {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: fadeUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.glassy-error {
    background: rgba(239, 68, 68, 0.1);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    color: #fca5a5;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.1);
}

/* Form Styles */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1rem 1rem 3rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

input::placeholder {
    color: rgba(148, 163, 184, 0.5);
}

input:focus {
    border-color: var(--accent-secondary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

input:focus + i, .input-wrapper:focus-within i {
    color: var(--accent-secondary);
}

/* Button Styles */
.btn-primary {
    background: var(--accent-gradient);
    border: none;
    border-radius: 12px;
    padding: 1rem;
    color: white;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Results Area */
.result-container {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: slideUp 0.5s ease-out forwards;
}

.result-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: transform 0.3s ease, background 0.3s ease;
}

.result-card:hover {
    transform: translateX(5px);
    background: rgba(30, 36, 50, 0.7);
    border-color: rgba(255, 255, 255, 0.15);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--accent-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.result-card.ean-card {
    background: linear-gradient(to right, rgba(20, 24, 34, 0.6), rgba(79, 70, 229, 0.05));
    border: 1px solid rgba(79, 70, 229, 0.3);
    margin-top: 0.5rem;
}

.result-card.ean-card .icon-box {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
}

.info-box {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.info-value {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ean-value {
    font-family: monospace;
    font-size: 1.25rem;
    letter-spacing: 1px;
    color: #22d3ee;
    word-break: break-all;
}

/* copy button */
.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Utility */
.hidden {
    display: none !important;
}

/* Animations */
@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }
    
    .glassy {
        padding: 1.5rem;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
}