:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --background: #0b1120;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --input-bg: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Prompt', sans-serif;
    color: var(--text);
    background-color: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

/* Dynamic Background Orbs */
.bg-shape {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
    animation: float 20s infinite alternate ease-in-out;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 60%);
    opacity: 0.3;
}

.shape-2 {
    bottom: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 60%);
    opacity: 0.25;
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 40%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #38bdf8 0%, transparent 60%);
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

.container {
    max-width: 1200px;
    width: 90%;
    margin: auto;
    padding: 2rem 0;
    z-index: 10;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

header .logo i,
header .logo img {
    height: 60px;
    object-fit: contain;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
}

@media (max-width: 900px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--glass-shadow), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.glass-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.controls {
    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: 500;
    color: var(--text-muted);
}

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

.input-icon i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    width: 20px;
    height: 20px;
}

input[type="text"], select {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 3rem;
    background: var(--input-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
    appearance: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

select {
    padding: 1rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

input:focus, select:focus {
    border-color: var(--primary);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.file-upload {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.15);
}

.file-upload i {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.file-upload:hover, .file-upload.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.file-name {
    font-size: 0.85rem;
    color: var(--secondary);
    word-break: break-all;
}

.color-controls, .style-controls {
    display: flex;
    gap: 1rem;
}

.color-controls > div, .style-controls > div {
    flex: 1;
}

input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 100%;
    height: 50px;
    border-radius: 12px;
    cursor: pointer;
    padding: 0;
    background: transparent;
    appearance: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    margin-top: 1rem;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
    filter: brightness(1.05);
}

.btn.secondary {
    background: var(--glass-bg);
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn.secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
}

.btn.outline {
    background: transparent;
    border: 1px solid var(--text-muted);
}

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

.result {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    position: relative;
}

.qr-container {
    background: white;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(0,0,0,0.05);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.qr-container:hover {
    transform: scale(1.03) translateY(-5px);
}

#qr-code-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
}

.download-actions {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.download-actions .btn {
    flex: 1;
    font-size: 0.95rem;
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.generating {
    animation: pulse 1s infinite alternate;
    opacity: 0.8;
}

footer {
    text-align: center;
    width: 100%;
    padding: 1.5rem 0;
    margin-top: auto;
    position: relative;
    z-index: 10;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid var(--glass-border);
}

footer p {
    color: var(--text-muted);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    font-weight: 300;
}

footer p span {
    color: var(--primary);
    font-weight: 500;
}