/* Dark Theme Variables */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-accent: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #7d8590;
    --text-accent: #58a6ff;
    --border-color: #30363d;
    --border-accent: #58a6ff;
    --success-color: #238636;
    --warning-color: #d29922;
    --error-color: #da3633;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-accent);
}

.header-stats {
    display: flex;
    gap: 1rem;
}

.stat-item {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Search Tabs */
.search-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.tab-button.active {
    color: var(--text-accent);
    border-bottom-color: var(--border-accent);
}

.tab-button:hover {
    color: var(--text-primary);
}

/* Search Container */
.search-container {
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.search-form {
    display: none;
}

.search-form.active {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-group {
    display: flex;
    gap: 0.75rem;
}

.input-group input {
    flex: 1;
}

input[type="text"],
input[type="number"],
textarea,
select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Filters */
.filters-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

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

.filter-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--text-accent);
}

/* Buttons */
.btn {
    background-color: var(--text-accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background-color: #4493f8;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-accent);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #484f58;
}

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

.btn-outline:hover {
    background-color: var(--text-accent);
    color: var(--bg-primary);
}

/* Results Container */
.results-container {
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    display: none;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.results-stats {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.results-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: all 0.2s;
}

.result-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.result-id {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-accent);
}

.result-status {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-found {
    background-color: rgba(35, 134, 54, 0.2);
    color: var(--success-color);
}

.status-missing {
    background-color: rgba(218, 54, 51, 0.2);
    color: var(--error-color);
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.result-detail {
    font-size: 0.875rem;
}

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

.result-url {
    word-break: break-all;
}

.result-url a {
    color: var(--text-accent);
    text-decoration: none;
}

.result-url a:hover {
    text-decoration: underline;
}

.view-content-btn {
    background-color: var(--bg-accent);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.view-content-btn:hover {
    background-color: var(--text-accent);
    color: var(--bg-primary);
}

/* Loading */
.loading-container {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--text-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Content Page */
.content-page {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    z-index: 2000;
    overflow-y: auto;
    display: none;
}

.content-page.active {
    display: block;
}

.content-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.content-sections {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.content-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-section h3 {
    color: var(--text-accent);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.content-section p {
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.copy-section-btn {
    background-color: var(--bg-accent);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .search-container {
        padding: 1.5rem;
    }

    .filters-container {
        grid-template-columns: 1fr;
    }

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

    .results-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .content-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .content-sections {
        padding: 1rem;
    }

    .search-tabs {
        flex-wrap: wrap;
    }

    .tab-button {
        flex: 1;
        min-width: 120px;
    }
}

/* Error States */
.error-message {
    background-color: rgba(218, 54, 51, 0.1);
    color: var(--error-color);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(218, 54, 51, 0.2);
    margin-bottom: 1rem;
}

.success-message {
    background-color: rgba(35, 134, 54, 0.1);
    color: var(--success-color);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(35, 134, 54, 0.2);
    margin-bottom: 1rem;
}