:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* Background Animated Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 500px;
    height: 500px;
    filter: blur(80px);
    opacity: 0.4;
    border-radius: 50%;
    animation: move 20s infinite alternate;
}

.blob-1 {
    background: #4f46e5;
    top: -100px;
    right: -100px;
}

.blob-2 {
    background: #ec4899;
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.blob-3 {
    background: #0ea5e9;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes move {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(100px, 100px) scale(1.2);
    }
}

/* Layout */
.container {
    width: 100%;
    max-width: 1100px;
    padding: 2rem;
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 4rem;
    align-items: center;
}

/* Card Styling */
.transfer-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    color: var(--text-main);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-weight: bold;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Upload Drop Zone */
.drop-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 1.5rem;
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.upload-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.upload-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* File List */
.file-list-container {
    margin-bottom: 1.5rem;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.file-list-container::-webkit-scrollbar {
    width: 4px;
}

.file-list-container::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

.file-list {
    list-style: none;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.file-info {
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.file-size {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
}

.remove-file:hover {
    color: #ef4444;
}

.total-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Progress Bar */
.progress-bar-wrapper {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #a855f7);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Result Screen */
.result-container {
    text-align: center;
    padding: 1rem 0;
}

.success-icon {
    margin-bottom: 1.5rem;
}

.result-container h2 {
    margin-bottom: 0.5rem;
}

.result-container p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}





/* Buttons */
.btn-primary,
.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem;
    border-radius: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none !important;
    box-sizing: border-box;
    font-family: inherit;
    margin: 0;
}

.btn-primary {
    background: var(--primary);
    color: white !important;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary.success {
    background: #10b981;
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main) !important;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Side content */
.info-side {
    max-width: 500px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
}

.highlight {
    background: linear-gradient(90deg, #6366f1, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 3rem;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.feature-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.feature-content p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.card-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Mobile adjustments */
@media (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 3rem;
    }

    .info-side {
        order: -1;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .features {
        align-items: center;
    }

    .feature-item {
        text-align: left;
        max-width: 300px;
    }
}

/* Management Section */
.management-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.section-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.transfer-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.transfer-mini-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
}



.mini-id {
    font-weight: 600;
    font-size: 0.9375rem;
}

.mini-stats {
    font-size: 0.75rem;
    color: var(--text-muted);
}



.btn-icon {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-icon.delete-btn:hover {
    background: #ef4444;
    border-color: #ef4444;
}

@media (max-width: 900px) {
    .management-section {
        margin-top: 2rem;
    }
}

/* Title Input Styles */
.title-input-group {
    margin-bottom: 2rem;
    text-align: left;
}

.title-input-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.glass-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    resize: none;
    line-height: 1.5;
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.glass-input:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.glass-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.mini-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    /* Prevents overflow */
}

.mini-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
    margin-left: 1rem;
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-top: 2rem;
    width: 100%;
}

.input-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15) !important;
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}