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

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

:root {
    --primary-color: #0ea5e9;
    --primary-hover: #0284c7;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --background: #f0f9ff;
    --card-bg: #ffffff;
    --border-color: #e0f2fe;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(14, 165, 233, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(14, 165, 233, 0.15);
    --shadow-xl: 0 20px 25px -5px rgba(14, 165, 233, 0.2);
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #3b82f6 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: transparent;
}

.header {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 3rem 2rem;
    text-align: left;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    margin-bottom: 2rem;
}

.header-content {
    position: relative;
    z-index: 1;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.main-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
}

.date-selector {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    align-items: end;
}

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

.input-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.label-icon {
    font-size: 1rem;
}

.date-input {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--card-bg);
    color: var(--text-primary);
    font-family: inherit;
}

.date-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.date-input:hover {
    border-color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
    margin-top: 2rem;
}

.btn-icon {
    font-size: 1.125rem;
}

.footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.status-section {
    margin: 2rem 0;
}

.status-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
}

.status-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: spin 2s linear infinite;
}

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

.status-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.status-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    max-width: 400px;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--success-color) 100%);
    width: 0%;
    transition: width 0.3s ease;
    animation: progress 2s ease-in-out infinite;
}

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

.preview-section {
    animation: fadeIn 0.5s ease;
}

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

.section-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.data-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.data-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.card-title {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table thead {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.data-table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr {
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: #f0f9ff;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .header h2 {
        font-size: 1rem;
    }

    .date-selector {
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: 1.5rem;
    }

    .data-card {
        padding: 1.25rem;
    }

    .data-table {
        font-size: 0.75rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.625rem 0.5rem;
    }
}