/**
 * 이미지 호스팅 서비스 - Cyberpunk 테마 스타일시트
 */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
    --bg-color: #0a0a0a;
    --card-color: #1a1a1a;
    --border-color: #2a2a2a;
    --text-color: #e0e0e0;
    --text-muted: #808080;
    --accent-color: #00eeff;
    --accent-hover: #00cccc;
    --danger-color: #ff4444;
    --success-color: #44ff44;
}

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

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.upload-card {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
}

.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--accent-color);
    background-color: rgba(0, 238, 255, 0.05);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-icon {
    width: 64px;
    height: 64px;
    stroke: var(--text-muted);
    transition: stroke 0.3s ease;
}

.dropzone:hover .upload-icon {
    stroke: var(--accent-color);
}

.dropzone-text {
    font-size: 1rem;
    color: var(--text-color);
}

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

.file-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.file-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.file-preview p {
    color: var(--text-muted);
    font-size: 0.875rem;
    word-break: break-all;
    text-align: center;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-group label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.option-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.option-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.option-btn:hover {
    border-color: var(--accent-color);
}

.option-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-color);
}

.text-input {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.875rem;
    width: 100%;
}

.text-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn-primary,
.btn-secondary,
.btn-remove,
.btn-copy {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--bg-color);
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

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

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

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

.btn-remove:hover {
    background-color: var(--danger-color);
    color: white;
}

.btn-copy {
    background-color: var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    white-space: nowrap;
}

.btn-copy:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.progress {
    text-align: center;
    padding: 2rem;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent-color);
    width: 0%;
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

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

.result {
    background-color: var(--card-color);
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    padding: 2rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result h2 {
    color: var(--success-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.result-info {
    margin-bottom: 1.5rem;
}

.result-info p {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.result-info strong {
    color: var(--text-color);
}

.result-link {
    margin-bottom: 1.5rem;
}

.result-link label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.link-group {
    display: flex;
    gap: 0.5rem;
}

.link-group input {
    flex: 1;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.875rem;
}

.link-group input:focus {
    outline: none;
    border-color: var(--accent-color);
}

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

.result-actions .btn-primary,
.result-actions .btn-secondary {
    flex: 1;
}

.result-actions a {
    text-align: center;
    text-decoration: none;
}

.hidden {
    display: none !important;
}

/* 반응형 디자인 */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .upload-card {
        padding: 1rem;
    }

    .dropzone {
        padding: 2rem 1rem;
    }

    .option-buttons {
        flex-direction: column;
    }

    .option-btn {
        width: 100%;
    }

    .result-actions {
        flex-direction: column;
    }

    .link-group {
        flex-direction: column;
    }

    .btn-copy {
        width: 100%;
    }
}