:root {
    --primary: #00f0ff;
    --primary-dim: rgba(0, 240, 255, 0.1);
    --bg: #050505;
    --card-bg: #111;
    --text: #e0e0e0;
    --text-dim: #888;
    --border: #333;
    --success: #00ff41;
    --error: #ff003c;
}

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

body {
    font-family: 'Fira Code', 'Courier New', monospace;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

.container {
    width: 100%;
    max-width: 900px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        margin-top: 20px;
    }

    body {
        padding: 10px;
    }

    .card {
        padding: 20px;
    }
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--primary-dim);
}

/* Glitch Effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 #ff003c;
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 #00f0ff;
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(14px, 9999px, 127px, 0);
    }

    20% {
        clip: rect(80px, 9999px, 2px, 0);
    }

    40% {
        clip: rect(40px, 9999px, 100px, 0);
    }

    60% {
        clip: rect(120px, 9999px, 44px, 0);
    }

    80% {
        clip: rect(60px, 9999px, 20px, 0);
    }

    100% {
        clip: rect(10px, 9999px, 80px, 0);
    }
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(120px, 9999px, 14px, 0);
    }

    20% {
        clip: rect(20px, 9999px, 80px, 0);
    }

    40% {
        clip: rect(100px, 9999px, 40px, 0);
    }

    60% {
        clip: rect(44px, 9999px, 120px, 0);
    }

    80% {
        clip: rect(20px, 9999px, 60px, 0);
    }

    100% {
        clip: rect(80px, 9999px, 10px, 0);
    }
}

.card {
    background: var(--card-bg);
    padding: 30px;
    border: 1px solid var(--border);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--primary);
    border-left: 2px solid var(--primary);
}

.card::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--primary);
    border-right: 2px solid var(--primary);
}

h2 {
    color: var(--text);
    margin-bottom: 10px;
    font-size: 1.5rem;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 10px;
}

.subtitle {
    color: var(--text-dim);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.input-group {
    margin-bottom: 16px;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    background: #000;
    border: 1px solid var(--border);
    color: var(--primary);
    font-family: 'Fira Code', monospace;
    font-size: 1rem;
    transition: 0.3s;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-dim);
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    font-family: 'Fira Code', monospace;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn.primary {
    background: var(--primary);
    color: #000;
}

.btn.primary:hover {
    background: #fff;
    box-shadow: 0 0 15px var(--primary);
}

.btn.secondary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn.secondary:hover {
    background: var(--primary-dim);
}

.divider {
    text-align: center;
    margin: 24px 0;
    color: var(--text-dim);
    font-size: 0.8rem;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

/* Room View */
.room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border);
}

.room-id-badge {
    background: #000;
    color: var(--primary);
    padding: 4px 12px;
    border: 1px solid var(--primary);
    font-size: 1.2rem;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 8px;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 10px var(--primary-dim);
}

.btn-leave:hover {
    border-color: var(--error);
    color: var(--error);
    box-shadow: 0 0 10px rgba(255, 0, 60, 0.3);
}

.dropzone {
    border: 2px dashed var(--border);
    padding: 40px;
    text-align: center;
    margin-bottom: 20px;
    cursor: pointer;
    transition: 0.3s;
    background: rgba(255, 255, 255, 0.02);
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--primary);
    background: var(--primary-dim);
}

.dropzone-icon {
    font-size: 48px;
    margin-bottom: 16px;
    filter: grayscale(100%);
}

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

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #000;
    border: 1px solid var(--border);
    margin-bottom: 8px;
    transition: 0.2s;
    flex-wrap: wrap;
}

.file-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.file-item.has-preview {
    align-items: flex-start;
}

.file-preview {
    width: 60px;
    height: 60px;
    border: 1px solid var(--border);
    margin-right: 16px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.text-preview {
    color: var(--primary);
    font-size: 0.7rem;
    text-align: center;
}

.file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 60px;
    overflow: hidden;
}

.file-name {
    color: var(--text);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

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

.btn-download {
    background: transparent;
    color: var(--primary);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid var(--primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    transition: 0.2s;
}

.btn-download:hover {
    background: var(--primary);
    color: #000;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-dim);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

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

/* View Management */
.view {
    display: none;
    animation: fadeIn 0.3s;
}

.view.active {
    display: block;
}

/* Text Card */
.text-card {
    background: #0a0a0a;
    border: 1px solid var(--border);
    padding: 15px;
    margin-bottom: 12px;
    position: relative;
    border-left: 3px solid var(--primary);
}

.text-card pre {
    white-space: pre-wrap;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: var(--text);
    margin: 0;
    line-height: 1.5;
}

.text-card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 10px;
}

.text-card-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 0.8rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.2s;
}

.text-card-btn:hover {
    color: var(--primary);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    padding: 30px;
    border: 1px solid var(--primary);
    box-shadow: 0 0 30px var(--primary-dim);
    text-align: center;
    position: relative;
    max-width: 400px;
    width: 90%;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-dim);
}

.close-modal:hover {
    color: var(--primary);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    border: 1px solid var(--primary);
    box-shadow: 0 0 50px var(--primary-dim);
    margin-top: 5vh;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--primary);
    font-size: 40px;
    cursor: pointer;
}

#qrcode {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

#qrcode img {
    border: 5px solid #fff;
    /* QR code needs white border to be readable */
}

#text-content {
    background: #000 !important;
    color: var(--primary);
    border-color: var(--border) !important;
}