/* MQTT Simulator Manager - Styles */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #16a34a;
    --warning-color: #ea580c;
    --danger-color: #dc2626;
    --secondary-color: #64748b;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

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

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

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

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Sections */
section {
    background: var(--surface);
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Connection Info */
.info-section {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-item .label {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.25rem;
}

.info-item .value {
    font-family: monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    background-color: #f0f7ff;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary-color);
    background-color: #eff6ff;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.upload-status {
    margin-top: 1rem;
}

.uploading,
.success,
.error {
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-top: 1rem;
}

.uploading {
    background-color: #dbeafe;
    color: #1e40af;
}

.upload-progress-text {
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.progress-bar {
    width: 100%;
    height: 24px;
    background-color: #e0f2fe;
    border-radius: 0.5rem;
    overflow: hidden;
    margin-bottom: 0.5rem;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    transition: width 0.3s ease;
    border-radius: 0.5rem;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.3);
}

.progress-percentage {
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.success {
    background-color: #dcfce7;
    color: #166534;
}

.error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Uploaded Files */
.uploaded-files {
    margin-top: 1.5rem;
}

.uploaded-files h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.file-list {
    list-style: none;
}

.file-list li {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-name {
    font-weight: 500;
}

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

.no-files {
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 1rem;
}

/* Form */
.simulation-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

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

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

.form-group input,
.form-group select {
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group select:disabled {
    background-color: #f1f5f9;
    cursor: not-allowed;
    opacity: 0.6;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: block;
}

.form-hint code {
    display: inline-block;
    max-width: 100%;
    margin-top: 0.25rem;
    padding: 0.15rem 0.35rem;
    background-color: #f1f5f9;
    border-radius: 0.25rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.advanced-settings {
    margin-top: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
}

.advanced-settings summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.advanced-settings[open] summary {
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

.btn-secondary:hover {
    background-color: #475569;
}

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

.btn-success:hover {
    background-color: #15803d;
}

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

.btn-warning:hover {
    background-color: #c2410c;
}

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

.btn-danger:hover {
    background-color: #b91c1c;
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.simulations-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.no-simulations,
.loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-style: italic;
}

/* Simulation Card */
.simulation-card {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    background: var(--surface);
    transition: box-shadow 0.2s;
}

.simulation-card:hover {
    box-shadow: var(--shadow-lg);
}

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

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge.running {
    background-color: #dcfce7;
    color: #166534;
}

.status-badge.stopped {
    background-color: #f1f5f9;
    color: #475569;
}

.status-badge.error {
    background-color: #fee2e2;
    color: #991b1b;
}

.card-body {
    margin-bottom: 1rem;
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.info-row .label {
    color: var(--text-secondary);
    font-weight: 500;
}

.info-row .value {
    color: var(--text-primary);
    text-align: right;
}

.info-row .value.url-value {
    font-family: monospace;
    max-width: 68%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

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

.card-actions .btn {
    flex: 1;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Notifications */
.notifications {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.notification {
    padding: 1rem;
    border-radius: 0.375rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.notification.fade-out {
    animation: slideOut 0.3s ease;
}

.notification.info {
    background-color: #dbeafe;
    color: #1e40af;
}

.notification.success {
    background-color: #dcfce7;
    color: #166534;
}

.notification.error {
    background-color: #fee2e2;
    color: #991b1b;
}

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

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

/* Form group header (label + action button inline) */
.form-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.form-group-header label {
    margin-bottom: 0;
}

.form-group-header .btn {
    padding: 0.5rem 1.25rem;
    font-size: 1rem;
}

/* Target Tag Rows */
.target-row {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr auto;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.target-row input,
.target-row select {
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
}

.target-row .btn {
    padding: 0.625rem 0.75rem;
    line-height: 1;
}

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

    header h1 {
        font-size: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .simulations-list {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .notifications {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}