/* CSS Custom Properties - Monochrome Theme */
:root {
    --primary-color: #000000;
    --primary-hover: #333333;
    --success-color: #000000;
    --error-color: #000000;
    --warning-color: #666666;
    --background-color: #ffffff;
    --surface-color: #ffffff;
    --text-primary: #000000;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --border-radius: 0px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem 0;
}

.header .logo {
    max-width: 320px;
    height: auto;
    margin-bottom: 0.75rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Main Layout */
.main {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

/* Map Container */
.map-container {
    position: relative;
    height: 400px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.map {
    width: 100%;
    height: 100%;
}

.map-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafafa;
}

.placeholder-content {
    text-align: center;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: grayscale(100%);
    opacity: 0.6;
}

.map-placeholder p {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Upload Zone */
.upload-zone {
    position: relative;
    background: var(--surface-color);
    border: 1px dashed var(--border-color);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--text-primary);
    background: #fafafa;
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: grayscale(100%);
    opacity: 0.6;
}

.upload-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.upload-button {
    background: none;
    border: none;
    color: var(--text-primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    pointer-events: auto;
}

.upload-button:hover {
    opacity: 0.7;
}

.upload-hint {
    color: var(--text-secondary);
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Upload Progress */
.upload-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.progress-bar {
    width: 200px;
    height: 2px;
    background: var(--border-color);
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: var(--text-primary);
    width: 0%;
    transition: width 0.3s ease;
    animation: progress-pulse 2s infinite;
}

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

@keyframes progress-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Results Section */
.results {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.result-item label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.result-item span {
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: right;
    color: var(--text-primary);
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.action-button {
    position: relative;
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.15s ease;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.action-button:hover {
    background: var(--text-primary);
    color: var(--surface-color);
    border-color: var(--text-primary);
}

.action-button:active {
    opacity: 0.8;
}

/* Center Map - Primary action */
#center-map {
    background: var(--text-primary);
    border: 1px solid var(--text-primary);
    color: var(--surface-color);
}

#center-map:hover {
    background: var(--surface-color);
    color: var(--text-primary);
}

/* Download JSON - Secondary */
#download-json {
    background: var(--surface-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

#download-json:hover {
    background: var(--text-primary);
    color: var(--surface-color);
    border-color: var(--text-primary);
}

/* Google Maps Link */
#google-maps-link {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

#google-maps-link:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: var(--surface-color);
}

/* Focus states for accessibility */
.action-button:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* Test Upload Button */
.test-controls {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem 0 2rem;
    border-top: 1px dashed var(--border-color);
}

.test-upload-button {
    background: transparent !important;
    border: 1px dashed var(--border-color) !important;
    color: var(--text-secondary) !important;
    font-size: 0.7rem !important;
    padding: 0.5rem 1rem !important;
}

.test-upload-button:hover {
    background: #fafafa !important;
    border-color: var(--text-secondary) !important;
    color: var(--text-primary) !important;
}

/* Location item with copy button */
.location-item {
    flex-wrap: nowrap;
}

.location-value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.copy-button:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--surface-color);
}

.copy-button svg {
    display: block;
}

/* Metadata Sections */
.metadata-sections {
    margin-top: 1rem;
}

.metadata-section {
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    background: var(--surface-color);
}

.section-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    background: #fafafa;
    transition: background-color 0.15s ease;
    user-select: none;
}

.section-header:hover {
    background: #f0f0f0;
}

.section-icon {
    font-size: 1rem;
    margin-right: 0.75rem;
    filter: grayscale(100%);
    opacity: 0.6;
}

.section-title {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toggle-icon {
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.toggle-icon.expanded {
    transform: rotate(180deg);
}

.section-content {
    padding: 0 1rem 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    display: none;
}

.section-content.expanded {
    display: block;
}

.section-content .result-item {
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.section-content .result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.section-content .result-item label {
    font-size: 0.65rem;
}

.camera-settings {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.camera-settings .setting {
    background: #f0f0f0;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-primary);
}

/* Error Message */
.error-message {
    background: #fafafa;
    border: 1px solid var(--border-color);
    padding: 1rem;
    margin-top: 1rem;
}

.error-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.error-icon {
    font-size: 1rem;
    filter: grayscale(100%);
}

.error-text {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.error-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Thumbnail Marker Styles */
.thumbnail-marker {
    background: transparent !important;
    border: none !important;
}

.thumbnail-marker-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
    animation: marker-bounce-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes marker-bounce-in {
    0% {
        transform: scale(0) translateY(-20px);
        opacity: 0;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.thumbnail-image-wrapper {
    width: 72px;
    height: 72px;
    overflow: hidden;
    border: 3px solid var(--text-primary);
    background: white;
}

.thumbnail-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.thumbnail-marker-pointer {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 12px solid var(--text-primary);
    margin-top: -1px;
}

/* Hover effect for thumbnail marker */
.thumbnail-marker-container:hover {
    transform: scale(1.08);
    transition: transform 0.15s ease;
}

.thumbnail-marker-container:hover .thumbnail-image-wrapper {
    border-color: var(--text-secondary);
}

.thumbnail-marker-container:hover .thumbnail-marker-pointer {
    border-top-color: var(--text-secondary);
}

/* Popup styles */
.leaflet-popup-content-wrapper {
    border-radius: 0 !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15) !important;
}

.leaflet-popup-content {
    margin: 0 !important;
}

.marker-popup {
    padding: 12px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    min-width: 200px;
}

.marker-popup-image {
    width: 180px;
    height: 180px;
    object-fit: cover;
    display: block;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
}

.marker-popup-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.marker-popup-row {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    gap: 12px;
}

.marker-popup-label {
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.marker-popup-value {
    color: #000;
    text-align: right;
    font-weight: 500;
}

/* Responsive Design */
@media (min-width: 768px) {
    .container {
        padding: 2rem;
    }

    .header .logo {
        max-width: 400px;
    }

    .header h1 {
        font-size: 3rem;
    }

    .map-container {
        height: 500px;
    }

    .upload-zone {
        padding: 4rem 3rem;
    }

    .result-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .result-actions .action-button {
        flex: 1;
        min-width: 140px;
    }
}

@media (min-width: 1024px) {
    .main {
        grid-template-columns: 2fr 1fr;
        grid-template-rows: auto;
        gap: 2rem;
        align-items: stretch;
    }

    .map-container {
        height: 100%;
        min-height: 600px;
    }

    .sidebar {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* Mobile-specific metadata styles */
@media (max-width: 767px) {
    .result-item {
        flex-direction: row;
        justify-content: space-between;
    }

    .result-item span {
        text-align: right;
    }

    .section-content .result-item {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
    }

    .section-content .result-item label {
        font-weight: 500;
    }

    .section-content .result-item span {
        text-align: right;
    }

    .camera-settings {
        gap: 0.5rem;
    }

    .camera-settings .setting {
        font-size: 0.7rem;
    }

    .action-button {
        justify-content: center;
        padding: 0.875rem 1rem;
    }

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

/* Footer */
.footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
}

.privacy-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.privacy-note::before {
    filter: grayscale(100%);
}