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

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at 20% 30%, #0b0d1e, #010101);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e3e9ff;
    padding: 1rem;
    position: relative;
    overflow-x: hidden;
}

/* Animated background globes */
.background-globes {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

.globe {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(120, 180, 255, 0.25), rgba(20, 30, 70, 0.6));
    filter: blur(50px);
    animation: floatGlobe 16s infinite alternate ease-in-out;
}

.globe-1 {
    width: 50vw;
    height: 50vw;
    left: -10vw;
    top: -10vw;
    animation: floatGlobe1 20s infinite alternate;
}

.globe-2 {
    width: 40vw;
    height: 40vw;
    right: -15vw;
    bottom: -5vw;
    background: radial-gradient(circle at 30% 30%, #6b5eff33, #141b3b);
    animation: floatGlobe2 22s infinite alternate;
}

.globe-3 {
    width: 30vw;
    height: 30vw;
    left: 40%;
    top: 20%;
    background: radial-gradient(circle at 70% 20%, #4f8aff22, #03051a);
    animation: floatGlobe3 19s infinite alternate;
}

@keyframes floatGlobe1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(4%, 6%) scale(1.1); }
}

@keyframes floatGlobe2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-5%, -3%) scale(1.15); }
}

@keyframes floatGlobe3 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(3%, -4%) scale(1.08); }
}

.container {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    width: 100%;
    backdrop-filter: blur(2px);
}

/* Header styles */
.app-header {
    margin-bottom: 2.5rem;
    text-align: left;
    padding: 0 0.5rem;
    position: relative;
}

.logo {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

.logo-text {
    background: linear-gradient(135deg, #b3cbff, #ffffff, #a6c1ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
    position: relative;
    z-index: 2;
}

.logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, rgba(100, 150, 255, 0.4), transparent 70%);
    filter: blur(20px);
    z-index: 1;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes glowPulse {
    0% { opacity: 0.3; transform: scale(0.95); }
    50% { opacity: 0.7; transform: scale(1.1); }
    100% { opacity: 0.3; transform: scale(0.95); }
}

.tagline {
    font-weight: 300;
    color: #a1b2d9;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    position: relative;
    padding-left: 0.5rem;
}

.tagline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background: linear-gradient(to bottom, #6d94ff, #b3cbff);
    border-radius: 3px;
}

/* Gravity well (drop zone) */
.gravity-well {
    background: rgba(10, 15, 30, 0.45);
    backdrop-filter: blur(10px);
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 3rem;
    padding: 3rem 2rem;
    margin: 2rem 0;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 40px -20px #00000080, inset 0 1px 1px #ffffff1a;
    position: relative;
    overflow: hidden;
}

.gravity-well::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.7s ease;
}

.gravity-well:hover {
    border-color: #6d94ff;
    box-shadow: 0 30px 50px -20px #2f4bff80, 0 0 30px rgba(109, 148, 255, 0.3);
    transform: translateY(-5px) scale(1.02);
}

.gravity-well:hover::before {
    left: 100%;
}

.gravity-well.hidden-well {
    display: none;
}

.well-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.icon-float {
    color: #9bb9ff;
    margin-bottom: 0.5rem;
    animation: levitate 3s infinite alternate;
    position: relative;
}

.icon-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(109, 148, 255, 0.3), transparent 70%);
    border-radius: 50%;
    animation: pulseRing 2s ease-out infinite;
    z-index: -1;
}

@keyframes pulseRing {
    0% { width: 60px; height: 60px; opacity: 0.5; }
    50% { width: 100px; height: 100px; opacity: 0.2; }
    100% { width: 60px; height: 60px; opacity: 0.5; }
}

@keyframes levitate {
    0% { transform: translateY(0); opacity: 0.9; }
    100% { transform: translateY(-15px); opacity: 1; }
}

.drop-title {
    font-size: 2rem;
    font-weight: 600;
    background: linear-gradient(135deg, #ffffff, #b3cbff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.drop-or {
    color: #7f8db0;
    font-weight: 300;
    position: relative;
    padding: 0 1rem;
}

.drop-or::before,
.drop-or::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #7f8db0, transparent);
}

.drop-or::before {
    right: 100%;
}

.drop-or::after {
    left: 100%;
}

.upload-btn {
    background: linear-gradient(135deg, rgba(70, 120, 255, 0.2), rgba(109, 148, 255, 0.1));
    padding: 1rem 3rem;
    border-radius: 3rem;
    font-weight: 600;
    border: 2px solid rgba(109, 148, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    backdrop-filter: blur(5px);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.upload-btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.upload-btn:hover {
    background: linear-gradient(135deg, rgba(70, 120, 255, 0.3), rgba(109, 148, 255, 0.2));
    border-color: #6d94ff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px #2f4bff80;
}

.upload-btn:hover i {
    transform: translateY(-3px);
}

.upload-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.upload-btn:hover::before {
    left: 100%;
}

.drop-hint {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #7f8db0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.drop-hint i {
    font-size: 0.9rem;
    color: #6d94ff;
}

/* Data display section */
.data-display {
    margin-top: 2.5rem;
    transition: opacity 0.5s ease, transform 0.5s ease;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.data-display.hidden {
    display: none;
}

.image-preview-container {
    max-width: 360px;
    margin: 0 auto 2rem auto;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 0 25px 35px -10px black;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: #090c1a;
    position: relative;
    transition: all 0.3s ease;
}

.image-preview-container:hover {
    transform: scale(1.02);
    border-color: #6d94ff;
    box-shadow: 0 30px 45px -10px #2f4bff80;
}

.preview-wrapper {
    position: relative;
    overflow: hidden;
}

#preview-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.preview-wrapper:hover #preview-img {
    transform: scale(1.1);
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-overlay i {
    color: white;
    font-size: 2rem;
    background: rgba(109, 148, 255, 0.3);
    padding: 1rem;
    border-radius: 50%;
    backdrop-filter: blur(5px);
    transform: scale(0.5);
    transition: all 0.3s ease;
}

.preview-wrapper:hover .preview-overlay {
    opacity: 1;
}

.preview-wrapper:hover .preview-overlay i {
    transform: scale(1);
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.2rem;
    margin-bottom: 1.8rem;
}

.stat-card {
    background: rgba(12, 18, 38, 0.55);
    backdrop-filter: blur(8px);
    border: 1px solid #2e3a5a40;
    border-radius: 2rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: #6d94ff;
    box-shadow: 0 15px 30px -10px #2f4bff80;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    color: #6d94ff;
}

.stat-icon {
    font-size: 1.8rem;
    color: #9bb9ff;
    margin-bottom: 0.8rem;
    transition: all 0.3s ease;
}

.stat-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(109, 148, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.stat-card:hover .stat-glow {
    opacity: 1;
}

.glass-panel {
    background: rgba(8, 14, 30, 0.5);
    backdrop-filter: blur(12px);
    border: 1px solid #35416b30;
    box-shadow: 0 10px 25px -12px #000000cc;
}

.label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 300;
    color: #9dafda;
    display: block;
    margin-bottom: 0.3rem;
}

.value {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    color: #d6e5ff;
}

.neon-text {
    text-shadow: 0 0 8px #6d94ffaa;
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0% { text-shadow: 0 0 5px #6d94ffaa; }
    50% { text-shadow: 0 0 15px #6d94ff, 0 0 30px #6d94ff; }
    100% { text-shadow: 0 0 5px #6d94ffaa; }
}

/* Smart check panel */
.smart-check {
    padding: 1.7rem 1.8rem;
    border-radius: 2.5rem;
    margin: 1.8rem 0 2rem 0;
    border: 1px solid #3e4c7920;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.smart-check:hover {
    border-color: #6d94ff;
    box-shadow: 0 15px 30px -10px #2f4bff80;
}

.smart-check-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.smart-check-header i {
    color: #6d94ff;
    font-size: 1.2rem;
    animation: spinSlow 4s linear infinite;
}

@keyframes spinSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.check-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 300;
    color: #b7c8ff;
}

.check-result {
    font-size: 1.2rem;
    font-weight: 400;
    color: white;
    transition: all 0.3s ease;
}

.smart-check-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(109, 148, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.smart-check:hover .smart-check-glow {
    opacity: 1;
}

/* Action row */
.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 5, 15, 0.4);
    backdrop-filter: blur(12px);
    padding: 1.2rem 2rem;
    border-radius: 4rem;
    border: 1px solid #2d3d6e60;
    margin-top: 2.2rem;
    transition: all 0.3s ease;
}

.action-row:hover {
    border-color: #6d94ff;
    box-shadow: 0 10px 25px -10px #2f4bff80;
}

.dimension-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.ctrl-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #0d142eb0;
    padding: 0.4rem 0.8rem 0.4rem 1.2rem;
    border-radius: 3rem;
    border: 1px solid #384878;
    transition: all 0.3s ease;
}

.ctrl-group:hover {
    border-color: #6d94ff;
    background: #121b3eb0;
    transform: translateY(-2px);
}

.ctrl-group label {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: #b1c3ff;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.ctrl-group label i {
    font-size: 0.9rem;
    color: #6d94ff;
}

.ctrl-group input {
    width: 85px;
    background: #010414;
    border: 1px solid #4460a0;
    color: white;
    padding: 0.5rem 0.6rem;
    border-radius: 2rem;
    font-weight: 500;
    text-align: center;
    outline: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.ctrl-group input:focus {
    border-color: #a6c0ff;
    box-shadow: 0 0 15px #6285ff;
    transform: scale(1.02);
}

.ctrl-group input:hover {
    border-color: #6d94ff;
}

/* Format control */
.format-control {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: #0d142eb0;
    padding: 0.4rem 1rem 0.4rem 1.5rem;
    border-radius: 3rem;
    border: 1px solid #384878;
    transition: all 0.3s ease;
}

.format-control:hover {
    border-color: #6d94ff;
    background: #121b3eb0;
    transform: translateY(-2px);
}

.format-control span {
    font-size: 0.85rem;
    color: #b7ceff;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.format-control span i {
    color: #6d94ff;
}

.custom-select {
    position: relative;
    display: inline-block;
}

.format-select {
    background: #121b36;
    color: white;
    border: 1px solid #4e6190;
    border-radius: 2rem;
    padding: 0.5rem 2rem 0.5rem 1rem;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    appearance: none;
    transition: all 0.3s ease;
}

.format-select:hover {
    border-color: #6d94ff;
    background: #1a2545;
}

.select-arrow {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #6d94ff;
    pointer-events: none;
    transition: transform 0.3s ease;
}

.custom-select:hover .select-arrow {
    transform: translateY(-50%) rotate(180deg);
}

/* File size control */
.file-size-control {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: #0d142eb0;
    padding: 0.4rem 1rem 0.4rem 1.5rem;
    border-radius: 3rem;
    border: 1px solid #384878;
    transition: all 0.3s ease;
}

.file-size-control:hover {
    border-color: #6d94ff;
    background: #121b3eb0;
    transform: translateY(-2px);
}

.file-size-control span {
    font-size: 0.85rem;
    color: #b7ceff;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.file-size-control span i {
    color: #6d94ff;
}

.slider-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.slider {
    width: 130px;
    height: 5px;
    background: #283153;
    border-radius: 10px;
    appearance: none;
    outline: none;
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    border: 2px solid #3d7eff;
    cursor: pointer;
    box-shadow: 0 0 10px #6d9cff;
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px #6d9cff;
}

.slider-tooltip {
    min-width: 60px;
    background: #121b36;
    padding: 0.3rem 0.6rem;
    border-radius: 2rem;
    text-align: center;
    font-weight: 500;
    border: 1px solid #4e6190;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.slider-container:hover .slider-tooltip {
    border-color: #6d94ff;
    background: #1a2545;
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.action-btn {
    border: none;
    background: linear-gradient(135deg, #2a3f6e, #1a2a4a);
    padding: 0.8rem 2rem;
    border-radius: 3rem;
    font-weight: 600;
    font-size: 1rem;
    color: white;
    border: 1px solid #4760a0;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.action-btn i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.action-btn:hover {
    background: linear-gradient(135deg, #3860d0, #2a4a9e);
    border-color: #a3bcff;
    box-shadow: 0 0 25px #3460ff80, 0 5px 15px #00000080;
    transform: translateY(-2px);
}

.action-btn:hover i {
    transform: translateY(-2px);
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.action-btn:hover::before {
    left: 100%;
}

.reset-link {
    background: transparent;
    border: none;
    color: #b5cbff;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 3rem;
}

.reset-link i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.reset-link:hover {
    color: white;
    background: rgba(109, 148, 255, 0.1);
    transform: translateY(-2px);
}

.reset-link:hover i {
    transform: rotate(180deg);
}

/* Animation delays */
.delay-1 {
    transition-delay: 0.05s;
}

.delay-2 {
    transition-delay: 0.1s;
}

.delay-3 {
    transition-delay: 0.15s;
}

.delay-4 {
    transition-delay: 0.2s;
}

/* Responsive design */
@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }
    
    .action-row {
        flex-direction: column;
        align-items: stretch;
        border-radius: 2rem;
        padding: 1.5rem;
    }
    
    .dimension-controls {
        justify-content: center;
    }
    
    .format-control {
        justify-content: center;
    }
    
    .file-size-control {
        justify-content: center;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .gravity-well {
        padding: 2rem 1rem;
    }
    
    .drop-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .ctrl-group input {
        width: 70px;
    }
    
    .slider {
        width: 100px;
    }
}