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

:root {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-card: #f0f0f0;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent: #2196f3;
    --accent-hover: #1976d2;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --border: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

header {
    background-color: var(--bg-secondary);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--accent);
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 1.5rem;
    color: var(--accent);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

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

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

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: #e0e0e0;
}

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

.btn-danger:hover {
    background-color: #d32f2f;
}

.container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    height: calc(100vh - 80px);
}

.column {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    overflow-y: auto;
    border: 1px solid var(--border);
}

.column h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--accent);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

/* Services column */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-item {
    background-color: #ffffff;
    padding: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    border: 1px solid var(--border);
}

.service-item:hover {
    border-color: var(--accent);
}

.service-item.selected {
    border-color: var(--accent);
    background-color: #e3f2fd;
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.service-port {
    font-weight: bold;
    color: var(--accent);
}

.service-type {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    text-transform: uppercase;
}

.type-webserver {
    background-color: #2196f3;
    color: white;
}

.type-appserver {
    background-color: #4caf50;
    color: white;
}

.type-database {
    background-color: #ff9800;
    color: white;
}

.type-cache {
    background-color: #9c27b0;
    color: white;
}

.type-unknown {
    background-color: #757575;
    color: white;
}

.service-process {
    font-size: 0.85rem;
    color: #555555;
}

/* Form column */
.mapping-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 0.5rem;
    background-color: #ffffff;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

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

.form-actions {
    display: flex;
    gap: 0.5rem;
}

/* Location blocks */
.locations-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.location-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: 0.5rem;
    align-items: end;
    background-color: #f9f9f9;
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.location-row .form-group {
    margin: 0;
}

.location-row .form-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.15rem;
    display: block;
}

.location-row .form-group input {
    width: 100%;
}

.btn-remove-location {
    background-color: transparent;
    color: var(--error);
    border: 1px solid var(--error);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.85rem;
    align-self: end;
}

.btn-remove-location:hover {
    background-color: var(--error);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.location-extra-directives {
    grid-column: 1 / -1;
}

/* SSL options */
.ssl-options {
    background-color: #f5f5f5;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1rem;
    margin-top: 0.5rem;
}

/* Mappings list */
.mappings-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mapping-item {
    background-color: #ffffff;
    padding: 0.75rem;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
}

.mapping-info {
    flex: 1;
}

.mapping-domain {
    font-weight: bold;
    color: #333333;
}

.mapping-port {
    font-size: 0.85rem;
    color: #666666;
}

.mapping-actions {
    display: flex;
    gap: 0.5rem;
}

.mapping-actions button {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* Preview column */
.preview-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.config-preview {
    background-color: #fafafa;
    padding: 1rem;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    overflow: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    min-height: 200px;
    border: 1px solid var(--border);
    color: #333;
}

.generate-result {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.generate-result.success {
    background-color: #e8f5e9;
    border: 1px solid var(--success);
    color: #2e7d32;
}

.generate-result.error {
    background-color: #ffebee;
    border: 1px solid var(--error);
    color: #c62828;
}

.hidden {
    display: none;
}

.placeholder {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 2rem;
}

/* Login overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.login-overlay.hidden {
    display: none;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    text-align: center;
    min-width: 320px;
}

.login-box h2 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-box p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-box input {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    text-align: center;
}

.login-box input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.login-error.hidden {
    display: none;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    color: white;
    font-size: 0.9rem;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.toast.success {
    background-color: var(--success);
}

.toast.error {
    background-color: var(--error);
}

.toast.warning {
    background-color: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #bdbdbd;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9e9e9e;
}