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

:root {
    --green: #00ff41;
    --green-dark: #00cc33;
    --green-light: rgba(0, 255, 65, 0.1);
    --green-glow: rgba(0, 255, 65, 0.5);
    --black: #000000;
}

body {
    font-family: 'Courier New', monospace;
    background: var(--black);
    color: var(--green);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Effects */
.grid-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.05;
    background-image: 
        linear-gradient(rgba(0, 255, 65, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 65, 0.3) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
}

.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.1;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 255, 65, 0.1) 0px,
        transparent 1px,
        transparent 2px,
        rgba(0, 255, 65, 0.1) 3px
    );
    z-index: 50;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 10;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 2px solid rgba(0, 255, 65, 0.3);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.terminal-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--green);
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.terminal-icon::before {
    content: '▣';
    font-size: 24px;
    color: var(--green);
}

.pulse {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 12px;
    height: 12px;
    background: var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

h1 {
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 10px var(--green-glow);
    letter-spacing: 2px;
}

.subtitle {
    font-size: 0.7rem;
    color: rgba(0, 255, 65, 0.6);
    margin-top: 0.25rem;
}

.auth-buttons {
    display: flex;
    gap: 0.75rem;
}

/* Search */
.search-container {
    margin-top: 1.5rem;
}

.search-box {
    position: relative;
    margin-bottom: 1rem;
}

.search-label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--green);
    font-size: 0.9rem;
}

#searchInput {
    width: 100%;
    height: 48px;
    padding-left: 6rem;
    background: var(--black);
    border: 2px solid rgba(0, 255, 65, 0.4);
    color: var(--green);
    font-family: inherit;
    box-shadow: inset 0 0 15px rgba(0, 255, 65, 0.1);
}

#searchInput:focus {
    outline: none;
    border-color: var(--green);
}

#searchInput::placeholder {
    color: rgba(0, 255, 65, 0.4);
}

.filters {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.filter-label {
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.6);
    white-space: nowrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--black);
    border: 1px solid rgba(0, 255, 65, 0.3);
    color: var(--green);
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: rgba(0, 255, 65, 0.6);
    background: rgba(0, 255, 65, 0.05);
}

.filter-btn.active {
    background: var(--green);
    color: var(--black);
    border-color: var(--green);
    box-shadow: 0 0 10px var(--green-glow);
}

/* Buttons */
.btn-primary, .btn-outline {
    padding: 0.5rem 1.5rem;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--green);
    color: var(--black);
    border-color: var(--green);
    box-shadow: 0 0 15px var(--green-glow);
}

.btn-primary:hover {
    background: var(--green-dark);
    box-shadow: 0 0 25px var(--green-glow);
}

.btn-outline {
    background: transparent;
    color: var(--green);
    border-color: rgba(0, 255, 65, 0.5);
}

.btn-outline:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--green);
}

.full-width {
    width: 100%;
}

/* Main Content */
main {
    padding: 2rem 0;
    min-height: 60vh;
}

.loading {
    text-align: center;
    padding: 4rem 0;
}

.spinner {
    width: 64px;
    height: 64px;
    border: 4px solid rgba(0, 255, 65, 0.2);
    border-top-color: var(--green);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 4rem 0;
}

.empty-icon {
    font-size: 4rem;
    color: rgba(0, 255, 65, 0.6);
    margin-bottom: 1rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.content-card {
    background: var(--black);
    border: 2px solid rgba(0, 255, 65, 0.3);
    transition: all 0.3s;
    overflow: hidden;
}

.content-card:hover {
    border-color: var(--green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.card-preview {
    position: relative;
    height: 200px;
    background: var(--black);
    border-bottom: 2px solid rgba(0, 255, 65, 0.3);
    overflow: hidden;
}

.card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.card-preview:hover img {
    opacity: 0.9;
}

.card-type-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--green);
    color: var(--black);
    font-size: 0.75rem;
    font-weight: bold;
    border: 1px solid var(--green-dark);
}

.card-owner-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(0, 255, 65, 0.2);
    color: var(--green);
    font-size: 0.75rem;
    font-weight: bold;
    border: 1px solid var(--green);
}

.card-content {
    padding: 1rem;
}

.card-title {
    font-weight: bold;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-description {
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.6);
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.tag {
    padding: 0.25rem 0.5rem;
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid rgba(0, 255, 65, 0.4);
    font-size: 0.7rem;
    color: rgba(0, 255, 65, 0.8);
}

.card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 2px solid rgba(0, 255, 65, 0.2);
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.8);
    margin-bottom: 0.75rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

.card-btn {
    flex: 1;
    padding: 0.625rem;
    background: rgba(0, 255, 65, 0.1);
    border: 2px solid rgba(0, 255, 65, 0.4);
    color: var(--green);
    font-family: inherit;
    font-weight: bold;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.card-btn:hover {
    background: var(--green);
    color: var(--black);
    box-shadow: 0 0 15px var(--green-glow);
}

.card-btn.delete {
    flex: 0;
    background: rgba(255, 0, 0, 0.1);
    border-color: rgba(255, 0, 0, 0.4);
    color: #ff4444;
}

.card-btn.delete:hover {
    background: #ff4444;
    color: var(--black);
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: 1rem;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--black);
    border: 4px solid rgba(0, 255, 65, 0.5);
    box-shadow: 0 0 50px var(--green-glow);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.large {
    max-width: 700px;
}

.modal-content.xlarge {
    max-width: 1200px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid rgba(0, 255, 65, 0.3);
}

.modal-header h2 {
    font-size: 1.5rem;
    text-shadow: 0 0 10px var(--green-glow);
}

.close-btn {
    background: transparent;
    border: 1px solid rgba(0, 255, 65, 0.3);
    color: var(--green);
    font-size: 1.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    padding: 0;
    line-height: 1;
}

.close-btn:hover {
    border-color: var(--green);
}

.modal-content form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--black);
    border: 2px solid rgba(0, 255, 65, 0.4);
    color: var(--green);
    font-family: inherit;
    box-shadow: inset 0 0 10px rgba(0, 255, 65, 0.1);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.5);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 2px solid rgba(0, 255, 65, 0.2);
    text-align: center;
}

.modal-footer button {
    background: transparent;
    border: none;
    color: var(--green);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
}

.modal-footer button:hover {
    color: var(--green-dark);
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 2px solid rgba(0, 255, 65, 0.2);
}

.error-msg {
    padding: 0.75rem;
    background: rgba(255, 0, 0, 0.1);
    border: 2px solid rgba(255, 0, 0, 0.4);
    color: #ff4444;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: none;
}

.error-msg.active {
    display: block;
}

/* File Upload */
.file-upload-box {
    margin-bottom: 1rem;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem;
    border: 2px dashed rgba(0, 255, 65, 0.3);
    cursor: pointer;
    transition: all 0.2s;
}

.file-label:hover {
    border-color: rgba(0, 255, 65, 0.6);
    background: rgba(0, 255, 65, 0.05);
}

.file-label.has-file {
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--green);
}

.file-info {
    padding: 0.75rem;
    background: rgba(0, 255, 65, 0.05);
    border: 2px solid rgba(0, 255, 65, 0.3);
    margin-bottom: 1rem;
}

.file-info p {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.file-info small {
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.6);
}

.upload-progress {
    padding: 1rem;
    background: rgba(0, 255, 65, 0.05);
    border: 2px solid rgba(0, 255, 65, 0.4);
    margin-bottom: 1rem;
}

.progress-bar {
    height: 12px;
    background: var(--black);
    border: 2px solid rgba(0, 255, 65, 0.3);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green-glow);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    font-weight: bold;
    font-size: 0.875rem;
}

/* View Modal */
.view-content {
    padding: 1rem;
}

.view-content img,
.view-content video {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    background: var(--black);
}

.view-content audio {
    width: 100%;
    filter: invert(1) hue-rotate(180deg);
}

.view-description {
    padding: 0 1.5rem 1rem;
}

.view-description p {
    padding: 0.75rem;
    background: rgba(0, 255, 65, 0.05);
    border: 2px solid rgba(0, 255, 65, 0.3);
    font-size: 0.875rem;
}

.view-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.8);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 1.25rem;
    }
    
    .search-label {
        display: none;
    }
    
    #searchInput {
        padding-left: 1rem;
    }
    
    .content-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}