/* 
 * Clean minimal functional design
 * No fluff, clear hierarchy, readable
 */

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

html {
    font-size: 16px;
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.5;
    color: #111;
    background-color: #fafafa;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation */
nav {
    padding: 0;
    display: flex;
    margin-bottom: 40px;
    border-bottom: 1px solid #ddd;
}

.nav-btn {
    padding: 16px 24px;
    border: none;
    border-right: 1px solid #ddd;
    color: #555;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    background-color: transparent;
    transition: color 0.15s;
}

.nav-btn:last-child {
    border-right: none;
}

.nav-btn:hover {
    color: #111;
}

.nav-btn.active {
    color: #111;
    font-weight: 600;
}

/* Sections */
.section {
    display: none;
}

.section--active {
    display: block;
}

.section-content {
    background: #fff;
    border: 1px solid #e5e5e5;
    padding: 32px;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.dashboard-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    padding: 24px;
}

.dashboard-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #111;
}

/* Forms */
.form-row {
    display: flex;
    gap: 16px;
    align-items: end;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.form-group {
    flex: 1;
    min-width: 200px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    font-size: 15px;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #666;
}

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

.form-actions {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    padding: 12px 20px;
    border: 1px solid #ccc;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    background-color: #fff;
    color: #333;
    transition: all 0.15s;
}

.btn:hover {
    border-color: #999;
    color: #111;
}

.btn-primary {
    background-color: #111;
    color: #fff;
    border-color: #111;
}

.btn-primary:hover {
    background-color: #000;
    border-color: #000;
}

.btn-secondary {
    background-color: #f5f5f5;
    color: #555;
    border-color: #ccc;
}

.btn-secondary:hover {
    background-color: #eee;
    color: #333;
}

.btn-danger {
    background-color: #fff;
    color: #c53030;
    border-color: #c53030;
}

.btn-danger:hover {
    background-color: #c53030;
    color: #fff;
}

.btn-success {
    background-color: #fff;
    color: #38a169;
    border-color: #38a169;
}

.btn-success:hover {
    background-color: #38a169;
    color: #fff;
}

/* Status Indicators */
.status-indicator,
.job-status,
.schedule-status {
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    border: 1px solid;
}

.status-ready {
    background-color: #f0fff4;
    color: #38a169;
    border-color: #38a169;
}

.status-connecting {
    background-color: #fffbeb;
    color: #d69e2e;
    border-color: #d69e2e;
}

.status-disconnected,
.status-error {
    background-color: #fff5f5;
    color: #c53030;
    border-color: #c53030;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 12px;
    color: #111;
}

h1 { font-size: 28px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 18px; }
h5 { font-size: 16px; }
h6 { font-size: 14px; }

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

.loading-indicator {
    color: #666;
    font-style: italic;
}

.error-message {
    color: #c53030;
    background: #fff5f5;
    padding: 16px;
    margin: 16px 0;
    border: 1px solid #fed7d7;
}

.success-message {
    color: #38a169;
    background: #f0fff4;
    padding: 16px;
    margin: 16px 0;
    border: 1px solid #c6f6d5;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e5e5e5;
}

th {
    background-color: #f8f8f8;
    color: #333;
    font-weight: 600;
}

tr:hover {
    background-color: #fafafa;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    nav {
        flex-wrap: wrap;
    }
    
    .nav-btn {
        padding: 12px 18px;
        font-size: 14px;
    }
    
    .form-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .section-content {
        padding: 24px;
    }
}