:root {
    --color-bg-light: #f3f4f6;
    --color-bg-white: #ffffff;
    --color-border-light: #e5e7eb;
    --color-border: #d1d5db;
    --color-input-bg: #f9fafb;
    --color-text-default: #111827;
    --color-text-secondary: #6b7280;
    --color-text-label: #374151;
    --color-blue-600: #2563eb;
    --color-red-600: #dc2626;
    --color-red-500: #ef4444;
    --color-gray-300: #d1d5db;
    --color-green-600: #059669;
    --color-gray-400: #9ca3af;
    --color-indigo-600: #4f46e5;
    --color-yellow-600: #d97706;
    --color-emerald-600: #05965e;
    --color-gray-700: #374151;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --max-w-7xl: 80rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-10: 2.5rem;
}

html {
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-bg-light);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    color: var(--color-text-default);
    overflow-x: hidden; 
    width: 100%;
}

.nav-bar {
    width: 100%;
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-3) var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 20;
}
.nav-bar h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}
.nav-bar-info {
    font-size: 0.875rem;
    color: #4b5563;
}

.container {
    max-width: var(--max-w-7xl);
    margin-left: auto;
    margin-right: auto;
    padding: 1.5rem var(--spacing-4);
    display: grid;
    grid-template-columns: minmax(0, 1fr); 
    gap: var(--spacing-6);
    width: 100%;
}

.card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%; 
    min-width: 0;
}

.card-p6 {
    padding: 1.5rem;
}

.form-section {
    margin-bottom: 1.5rem;
}
.form-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.input-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.input-field {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-input-bg);
    box-sizing: border-box;
    font-size: 1rem;
}

.file-input {
    font-size: 0.875rem;
    background-color: var(--color-bg-light);
    padding: 0.5rem;
    line-height: 1.5;
}

.input-group {
    display: flex;
    gap: var(--spacing-3);
}

.btn {
    width: 100%;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    color: var(--color-bg-white);
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background-color 0.15s ease-in-out;
    text-align: center;
}
.btn-flex {
    flex: 1;
}

.btn-primary { background-color: var(--color-blue-600); }
.btn-danger-600 { background-color: var(--color-red-600); }
.btn-secondary { background-color: var(--color-gray-300); color: var(--color-text-default); }
.btn-success { background-color: var(--color-green-600); }
.btn-gray-400 { background-color: var(--color-gray-400); }
.btn-indigo { background-color: var(--color-indigo-600); }
.btn-warning { background-color: var(--color-yellow-600); }
.btn-emerald { background-color: var(--color-emerald-600); }
.btn-gray-700 { background-color: var(--color-gray-700); }
.btn-danger-500 { background-color: var(--color-red-500); }

.btn-danger-500:hover { background-color: #f87171; }

.mt-3 { margin-top: var(--spacing-3); }

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}
.checkbox-group input {
    height: 1rem;
    width: 1rem;
}
.checkbox-group label {
    font-size: 0.875rem;
    color: var(--color-text-label);
}

#status {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

#logo-area {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80px;
    margin-bottom: var(--spacing-4);
    background-color: var(--color-input-bg);
    border-radius: var(--radius-sm);
}
#logo-area img {
    max-height: 60px;
    object-fit: contain;
}

.date-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}
.date-controls label {
    font-weight: 500;
}
.date-controls input {
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    max-width: 100%;
}

#export-date-display {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}
#export-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: left;
    margin-bottom: 1.25rem;
    margin-top: 0;
    word-wrap: break-word; 
}

.table-wrapper {
    overflow-x: auto; 
    overflow-y: auto;
    max-height: 420px;
    width: 100%;
    display: block;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    -webkit-overflow-scrolling: touch; 
}

.data-table {
    width: 100%;
    min-width: 600px; 
    font-size: 0.875rem;
    border-collapse: collapse;
}

.table-header {
    background-color: #f3f4f6;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th, .data-table td {
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--color-border-light);
    text-align: left;
    vertical-align: middle;
}

.action-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    white-space: nowrap;
}
.action-group button {
    font-size: 0.875rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    color: var(--color-bg-white);
}
.action-group .edit-btn { background-color: #3b82f6; }
.action-group .remove-btn { background-color: var(--color-red-500); margin-left: 0.5rem; }

.search-refresh-bar {
    padding: var(--spacing-2);
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
    background-color: var(--color-bg-white);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    border-bottom: 1px solid var(--color-border-light);
}
#selected-search {
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    flex: 1;
    min-width: 0; 
}
#selected-refresh {
    background-color: var(--color-bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    cursor: pointer;
    color: var(--color-text-default);
    white-space: nowrap;
}

.export-buttons-group {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
}
.export-buttons-group button {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    color: var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    font-weight: 500;
}

.app-footer {
    width: 100%;
    text-align: center;
    padding: 1rem 0;
    margin-top: var(--spacing-10);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
}

@media (max-width: 639px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .nav-bar {
        padding: 0.75rem 1rem;
    }

    .action-group {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
        align-items: stretch !important;
    }
    .action-group button {
        width: 100% !important;
        margin-left: 0 !important;
        margin-bottom: 0 !important;
    }

    .export-buttons-group {
        justify-content: center;
    }
    .export-buttons-group button {
        width: 48%; 
        min-width: 130px;
        font-size: 0.875rem;
    }
}

@media (min-width: 640px) and (max-width: 1023px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
    .export-buttons-group {
        justify-content: flex-start;
    }
}

@media (min-width: 1024px) {
    .container {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        padding-left: 2rem;
        padding-right: 2rem;
    }
    .main-content {
        grid-column: span 2 / span 2;
    }
    .data-table {
        width: 100%;
        min-width: auto; 
    }
}