:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --success-color: #10b981;
    --success-bg: #d1fae5;
    --error-color: #ef4444;
    --error-bg: #fee2e2;
    --warning-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --border-light: #d1d5db;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

a, .btn-link {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-dark);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--primary-light);
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success-color);
}

.invalid {
    outline: 1px solid var(--error-color);
}

.validation-message {
    color: var(--error-color);
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: var(--text-muted);
}

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

main {
    flex: 1;
}

.content {
    padding: 0;
}

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

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 48px 24px;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    color: white;
}

.app-title {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}

.app-subtitle {
    font-size: 16px;
    font-weight: 400;
    margin: 0;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 24px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Upload Section */
.upload-section {
    margin-bottom: 32px;
}

.file-upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.file-drop-zone {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.hidden-file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-drop-zone:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(37, 99, 235, 0.05) 100%);
    box-shadow: var(--shadow-md);
}

.file-drop-zone.drag-over {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    pointer-events: none;
}

.upload-icon {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.file-drop-zone:hover .upload-icon {
    color: var(--primary-color);
}

.drop-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.primary-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.secondary-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.click-text {
    color: var(--primary-color);
    font-weight: 500;
}

.supported-formats {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

/* File Info */
.file-info {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 480px;
    pointer-events: none;
    z-index: 5;
}

.file-icon-wrapper {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-icon {
    width: 24px;
    height: 24px;
    color: white;
}

.file-details {
    flex: 1;
    text-align: left;
}

.file-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
    margin: 0 0 4px 0;
    word-break: break-all;
}

.file-size {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.remove-file {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--error-color);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    pointer-events: auto;
    z-index: 20;
}

.remove-file:hover {
    background: var(--error-bg);
}

.remove-file svg {
    width: 20px;
    height: 20px;
}

/* Action Buttons */
.action-buttons {
    margin-top: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.cancel-queue-button {
    padding: 10px 24px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.cancel-queue-button:hover {
    background: var(--error-bg);
    color: var(--error-color);
    border-color: var(--error-color);
}

.process-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
}

.process-button:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.process-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.button-icon {
    width: 20px;
    height: 20px;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-left-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Map Link Section */
.map-link-section {
    margin-top: 24px;
    text-align: center;
}

.map-link-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.map-link-button:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.map-link-button .button-icon {
    width: 20px;
    height: 20px;
}

/* Manual Input Section */
.manual-input-section {
    margin-top: 24px;
    padding: 24px;
    border: 1px solid var(--warning-color);
    border-radius: var(--radius-md);
    background: rgba(245, 158, 11, 0.05);
}

.manual-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.warning-icon {
    width: 24px;
    height: 24px;
    color: var(--warning-color);
}

.manual-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.coordinate-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.coordinate-input {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all 0.2s ease;
    background: var(--bg-primary);
}

.coordinate-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-hint {
    font-size: 12px;
    color: var(--text-muted);
}

.manual-input-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cancel-button {
    padding: 16px 32px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s ease;
}

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

/* Status Message */
.status-message {
    margin-top: 24px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-message.success {
    background: var(--success-bg);
    color: #065f46;
    border: 1px solid var(--success-color);
}

.status-message.error {
    background: var(--error-bg);
    color: #991b1b;
    border: 1px solid var(--error-color);
}

.status-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.status-message.success .status-icon {
    color: var(--success-color);
}

.status-message.error .status-icon {
    color: var(--error-color);
}

.status-text {
    line-height: 1.5;
}

/* Info Section */
.info-section {
    margin-top: 32px;
}

.info-card {
    background: var(--bg-primary);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.info-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Footer */
.app-footer {
    background: var(--bg-tertiary);
    padding: 24px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.app-footer p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* Global Header */
.global-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    height: 48px;
    display: flex;
    align-items: center;
}

.header-inner {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.lang-switcher {
    display: flex;
    align-items: center;
}

.lang-form {
    display: flex;
    gap: 4px;
}

.lang-btn {
    padding: 4px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

/* Responsive */
@media (max-width: 640px) {
    .app-header {
        padding: 32px 16px;
    }

    .app-title {
        font-size: 24px;
    }

    .app-subtitle {
        font-size: 14px;
    }

    .main-content {
        padding: 24px 16px;
    }

    .file-drop-zone {
        padding: 32px 24px;
        min-height: 200px;
    }

    .upload-icon {
        width: 48px;
        height: 48px;
    }

    .primary-text {
        font-size: 16px;
    }

    .process-button {
        padding: 14px 24px;
        font-size: 14px;
    }

    .coordinate-inputs {
        grid-template-columns: 1fr;
    }

    .info-card {
        flex-direction: column;
        text-align: center;
    }

    .info-icon {
        margin-bottom: 8px;
    }
}