/* Clean Style - IOV Data Analysis Agent */

:root {
    --primary-color: #2563EB;
    /* Tech Blue */
    --primary-hover: #1D4ED8;
    --bg-color: #FFFFFF;
    --sidebar-bg: #F9FAFB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 240px;
    /* Compact width */
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1rem;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.brand i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    overflow-y: hidden;
    /* Let history list handle scroll */
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background-color: #F3F4F6;
    color: var(--text-primary);
}

.nav-item.active {
    background-color: #EFF6FF;
    color: var(--primary-color);
    font-weight: 500;
}

.nav-item i {
    width: 1.25rem;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1rem 0 0.5rem 0;
}

.nav-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

/* History List */
.history-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-right: 5px;
}

.history-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.history-item:hover {
    background-color: #F3F4F6;
    color: var(--text-primary);
}

.history-item.active {
    background-color: #EFF6FF;
    color: var(--primary-color);
}


.status-bar {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #D1D5DB;
}

.status-dot.running {
    background-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background-color: #FFFFFF;
}

.header {
    height: 64px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    background-color: #FFFFFF;
}

.header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    background-color: #ffffff;
}

/* Sections & Panel */
.section {
    display: none;
    max-width: 1000px;
    margin: 0 auto;
}

.section.active {
    display: block;
}

.analysis-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
    height: calc(100vh - 64px - 4rem);
}

.panel {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.panel-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-textarea {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

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

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

.btn-secondary {
    background-color: white;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #F9FAFB;
    border-color: #D1D5DB;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: #F9FAFB;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background-color: #EFF6FF;
}

.upload-icon {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.file-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    background: #FFFFFF;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 1rem;
    margin-left: 1rem;
}

.tab {
    padding: 0.25rem 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

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

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

/* Log & Report Content */
.output-container {
    flex: 1;
    overflow-y: hidden;
    /* Individual tabs scroll */
    background: #F9FAFB;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    position: relative;
    display: flex;
    flex-direction: column;
}

#logsTab {
    background-color: #1a1b26;
    color: #a9b1d6;
    font-family: 'JetBrains Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
    padding: 1.5rem;
}

.log-content {
    font-family: inherit;
    font-size: 0.85rem;
    white-space: pre-wrap;
    line-height: 1.6;
    margin: 0;
}

.report-content {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #1F2937;
}

.report-content img {
    max-width: 100%;
    border-radius: 0.375rem;
    margin: 1rem 0;
    box-shadow: var(--card-shadow);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Gallery Carousel */
.carousel-container {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F3F4F6;
    border-radius: 0.5rem;
    overflow: hidden;
    margin-bottom: 1rem;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 0.25rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
    background: white;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    color: var(--text-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 1rem;
}

.carousel-btn.next {
    right: 1rem;
}

.image-info {
    width: 100%;
    text-align: center;
    color: var(--text-primary);
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.image-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.image-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}