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

:root {
    --primary: #009260;
    --primary-dark: #007a50;
    --primary-light: #e0f2eb;
    --green: #009260;
    --green-light: #e0f2eb;
    --red: #b53a2e;
    --red-light: #fce8e6;
    --yellow: #7a6219;
    --yellow-light: #fdf4dd;
    --headline: #48535A;
    --text: #7F8990;
    --text-dark: #48535A;
    --bg: #EBEBE4;
    --bg-white: #fff;
    --border: #d2d3cc;
    --gray: #7F8990;
    --gray-light: #EBEBE4;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 15px;
}

h1, h2, h3, h4, h5, h6 { color: var(--headline); }

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

/* Nav */
.nav {
    background: var(--primary);
    color: #fff;
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 3.2rem;
}
.nav-brand {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
}
.nav-links { display: flex; gap: .5rem; align-items: center; }
.nav-links a {
    color: rgba(255,255,255,.8);
    text-decoration: none;
    padding: .3rem .7rem;
    border-radius: 4px;
    font-size: .9rem;
}
.nav-links a:hover, .nav-links a.active {
    background: rgba(255,255,255,.18);
    color: #fff;
}
.nav-logout { margin-left: .5rem; border-left: 1px solid rgba(255,255,255,.3); padding-left: 1rem !important; }

/* Container */
.container {
    max-width: 1100px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

/* Alerts */
.alert {
    padding: .8rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: .9rem;
}
.alert-success { background: var(--green-light); color: var(--primary-dark); border: 1px solid #a3d9c3; }
.alert-error { background: var(--red-light); color: var(--red); border: 1px solid #f0c6c2; }
.alert-warning { background: var(--yellow-light); color: var(--yellow); border: 1px solid #e8d596; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #a3d9c3; }

/* Table */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
th, td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--bg); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; color: var(--gray); }
td { font-size: .9rem; color: var(--text-dark); }
.links-cell a { margin-right: .5rem; color: var(--primary); text-decoration: none; font-size: .85rem; }
.links-cell a:hover { text-decoration: underline; }

/* Status */
.status {
    display: inline-block;
    padding: .15rem .5rem;
    border-radius: 4px;
    font-size: .8rem;
    font-weight: 600;
}
.status-running { background: var(--green-light); color: var(--primary-dark); }
.status-stopped { background: var(--red-light); color: var(--red); }
.status-pending { background: var(--yellow-light); color: var(--yellow); }
.status-error { background: var(--red-light); color: var(--red); }

/* Tags */
.tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: .1rem .4rem;
    border-radius: 3px;
    font-size: .75rem;
    margin-left: .3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: .45rem 1rem;
    border: none;
    border-radius: 5px;
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.5;
    transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: var(--border); color: var(--text-dark); }
.btn-success { background: var(--primary); color: #fff; }
.btn-warning { background: #c97a1a; color: #fff; }
.btn-danger { background: var(--red); color: #fff; }
.btn-full { width: 100%; }
.btn-small { padding: .25rem .5rem; font-size: .8rem; }
.btn-group { display: flex; gap: .5rem; margin-top: 1rem; }
.inline-form { display: inline; }

/* Forms */
.form-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: .3rem;
    font-size: .9rem;
    color: var(--text-dark);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: .5rem .7rem;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: .9rem;
    font-family: inherit;
    color: var(--text-dark);
}
.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,146,96,.15);
}
.form-group small { display: block; margin-top: .3rem; color: var(--gray); font-size: .8rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
}
legend { font-weight: 600; padding: 0 .5rem; font-size: .9rem; color: var(--text-dark); }

.checkbox-label {
    display: block;
    padding: .3rem 0;
    cursor: pointer;
    font-size: .9rem;
    color: var(--text-dark);
}
.checkbox-label input { margin-right: .4rem; }

.text-muted { color: var(--gray); }

/* Info box (create page) */
.info-box {
    background: var(--primary-light);
    border: 1px solid #a3d9c3;
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    margin-bottom: 1.2rem;
}
.info-box h3 { font-size: .9rem; color: var(--primary-dark); margin-bottom: .5rem; }
.info-box ul { margin: 0; padding-left: 1.2rem; }
.info-box li { font-size: .85rem; margin-bottom: .35rem; line-height: 1.5; color: var(--text-dark); }
.info-box code { background: rgba(0,0,0,.06); padding: .1rem .3rem; border-radius: 3px; font-size: .8rem; }

.fieldset-hint { display: block; color: var(--gray); font-size: .8rem; margin-bottom: .6rem; }

.option-desc { display: block; margin-left: 1.4rem; color: var(--gray); font-size: .8rem; line-height: 1.4; margin-bottom: .3rem; }

/* Login page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--headline);
}
.login-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.login-card h1 { color: var(--primary); text-align: center; margin-bottom: .3rem; }
.login-subtitle { text-align: center; color: var(--gray); margin-bottom: 1.5rem; font-size: .9rem; }
.info-text { margin-bottom: 1rem; font-size: .9rem; }

/* Credentials */
.credentials-card {
    background: #fff;
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}
.credentials-card h3 { color: var(--primary); margin-top: 1rem; margin-bottom: .3rem; font-size: .95rem; }
.credentials-card h3:first-child { margin-top: 0; }
.credentials-card p { font-size: .9rem; }
.credentials-card code { background: #f4f4f0; padding: .15rem .4rem; border-radius: 3px; font-size: .85rem; }

.big-code {
    display: block;
    background: #f4f4f0;
    padding: .5rem;
    border-radius: 4px;
    font-size: 1.1rem;
    margin: .3rem 0;
    letter-spacing: .05em;
    color: var(--text-dark);
}

/* Project edit */
.detail-table { box-shadow: none; margin-bottom: 0; }
.detail-table td:first-child { font-weight: 500; width: 140px; color: var(--gray); }
.detail-table td { border: none; padding: .3rem .5rem; }

.option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .6rem 0;
    border-bottom: 1px solid var(--border);
}
.option-row:last-child { border-bottom: none; }
.option-info { flex: 1; }
.option-info .option-desc { color: var(--gray); font-size: .8rem; }

.credentials-pre {
    background: #f4f4f0;
    padding: 1rem;
    border-radius: var(--radius);
    font-size: .8rem;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-dark);
}

.error-log {
    background: var(--red-light);
    padding: 1rem;
    border-radius: var(--radius);
    font-size: .8rem;
    overflow-x: auto;
    white-space: pre-wrap;
    color: var(--red);
}

/* Empty state */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--gray); }
.empty-state .btn { margin-top: 1rem; }

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
    margin: 1rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--gray);
    font-size: .8rem;
}

/* Tutorial */
.tutorial-intro {
    background: var(--primary-light);
    border: 1px solid #a3d9c3;
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    margin-bottom: 1.5rem;
    font-size: .95rem;
    color: var(--text-dark);
}

.tutorial-section {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    margin-bottom: .6rem;
    border: 1px solid var(--border);
}

.tutorial-section > summary {
    padding: .9rem 1.2rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: .5rem;
    user-select: none;
    color: var(--headline);
}

.tutorial-section > summary::-webkit-details-marker { display: none; }

.tutorial-section > summary::before {
    content: "\25B6";
    font-size: .7rem;
    color: var(--primary);
    transition: transform .2s;
    flex-shrink: 0;
}

.tutorial-section[open] > summary::before {
    transform: rotate(90deg);
}

.tutorial-section[open] > summary {
    border-bottom: 1px solid var(--border);
}

.tutorial-content {
    padding: 1rem 1.2rem;
}

.tutorial-content ul, .tutorial-content ol {
    padding-left: 1.4rem;
    margin: .5rem 0;
}

.tutorial-content li {
    margin-bottom: .4rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.tutorial-content h4 {
    margin: 1.2rem 0 .5rem;
    font-size: .95rem;
    color: var(--primary-dark);
}

.tutorial-content p {
    margin: .5rem 0;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Nested subsections */
.tutorial-subsection {
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin: .6rem 0;
}

.tutorial-subsection > summary {
    padding: .6rem 1rem;
    font-weight: 500;
    font-size: .9rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--headline);
}

.tutorial-subsection > summary::-webkit-details-marker { display: none; }

.tutorial-subsection > summary::before {
    content: "\25B6";
    font-size: .6rem;
    color: var(--primary);
    transition: transform .2s;
    flex-shrink: 0;
}

.tutorial-subsection[open] > summary::before {
    transform: rotate(90deg);
}

.tutorial-subsection[open] > summary {
    border-bottom: 1px solid var(--border);
}

.tutorial-subsection > .tutorial-content {
    padding: .8rem 1rem;
}

/* Tutorial elements */
.tutorial-steps {
    counter-reset: step;
    padding-left: 0 !important;
    list-style: none;
}

.tutorial-steps li {
    counter-increment: step;
    padding-left: 2rem;
    position: relative;
}

.tutorial-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: .1rem;
    background: var(--primary);
    color: #fff;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    font-size: .75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tutorial-info {
    background: var(--primary-light);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: .7rem 1rem;
    margin: .8rem 0;
    font-size: .9rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.tutorial-warning {
    background: var(--yellow-light);
    border-left: 3px solid #c97a1a;
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: .7rem 1rem;
    margin: .8rem 0;
    font-size: .9rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.tutorial-code {
    display: block;
    background: var(--headline);
    color: #f0f0ec;
    padding: .8rem 1rem;
    border-radius: var(--radius);
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-size: .82rem;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre;
    margin: .5rem 0;
}

.tutorial-img {
    display: block;
    max-width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin: .8rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.tutorial-img[src=""], .tutorial-img:not([src]) {
    display: none;
}

.tutorial-img-wrap {
    position: relative;
}

/* Server Monitor */
.monitor-section {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}
.monitor-header {
    padding: .8rem 1.2rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--headline);
}
.monitor-header::-webkit-details-marker { display: none; }
.monitor-section[open] > .monitor-header { border-bottom: 1px solid var(--border); }
.monitor-updated { font-weight: 400; font-size: .8rem; color: var(--gray); }
.monitor-content { padding: 1rem 1.2rem; }
.monitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: .8rem;
    margin-bottom: .8rem;
}
.monitor-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: .7rem .9rem;
}
.monitor-label {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--gray);
    margin-bottom: .4rem;
}
.monitor-value { font-size: .8rem; color: var(--text-dark); margin-top: .3rem; }
.monitor-value-small { font-size: .75rem; color: var(--text); }

.progress-bar {
    height: 10px;
    background: var(--gray-light);
    border-radius: 5px;
    overflow: hidden;
}
.progress-bar-small {
    height: 6px;
    display: inline-block;
    width: 80px;
    vertical-align: middle;
    margin-right: .4rem;
}
.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 5px;
    transition: width .3s ease;
}
.progress-warning { background: #c97a1a; }
.progress-danger { background: var(--red); }

.monitor-meta {
    display: flex;
    gap: 1.5rem;
    font-size: .8rem;
    color: var(--gray);
    padding: .5rem 0;
    border-top: 1px solid var(--border);
    margin-top: .5rem;
}
.monitor-subtitle { font-size: .85rem; color: var(--headline); margin: .8rem 0 .5rem; }
.monitor-table td { vertical-align: middle; }

/* Monitor Tooltips */
[data-tip] {
    position: relative;
    cursor: help;
}
[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    font-size: .78rem;
    font-weight: 400;
    line-height: 1.4;
    padding: .5rem .7rem;
    border-radius: 6px;
    white-space: normal;
    width: max-content;
    max-width: 280px;
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s ease;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,.18);
    text-transform: none;
    letter-spacing: normal;
}
[data-tip]::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #333;
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s ease;
    z-index: 100;
}
[data-tip]:hover::after,
[data-tip]:hover::before {
    opacity: 1;
}
/* Tooltips die nach unten zeigen (fuer Elemente am oberen Rand) */
.monitor-meta-bar [data-tip]::after {
    bottom: auto;
    top: calc(100% + 8px);
}
.monitor-meta-bar [data-tip]::before {
    bottom: auto;
    top: calc(100% + 2px);
    border-top-color: transparent;
    border-bottom-color: #333;
}

.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--border);
    color: var(--gray);
    font-size: .65rem;
    font-weight: 700;
    vertical-align: middle;
    margin-left: .3rem;
    cursor: help;
}

/* Monitor Page (dedicated ?page=monitor) */
.monitor-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
    gap: .5rem;
}
.monitor-range-selector {
    display: flex;
    gap: .3rem;
}
.monitor-range-selector .btn {
    background: var(--bg);
    color: var(--text-dark);
    border: 1px solid var(--border);
    font-size: .8rem;
    padding: .35rem .7rem;
}
.monitor-range-selector .btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.monitor-live-indicator {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .82rem;
    color: var(--gray);
}
.live-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: live-pulse 2s ease-in-out infinite;
}
.live-dot.paused { animation: none; opacity: .4; }
@keyframes live-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .3; }
}

.monitor-gauges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.2rem;
}
.gauge-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: .8rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    border: 1px solid var(--border);
    min-width: 0;
}
.gauge-canvas-wrap {
    position: relative;
    height: 110px;
    width: 100%;
    margin-bottom: -30px;
    overflow: hidden;
}
.gauge-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--gray);
    margin-top: .4rem;
}
.gauge-value {
    font-size: .82rem;
    color: var(--text-dark);
    margin-top: .15rem;
}

.monitor-meta-bar {
    display: flex;
    gap: 1.5rem;
    font-size: .82rem;
    color: var(--gray);
    padding: .6rem 1rem;
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.monitor-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.2rem;
}
.chart-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    border: 1px solid var(--border);
    min-width: 0;
}
.chart-card h4 {
    font-size: .85rem;
    color: var(--headline);
    margin: 0 0 .6rem;
    font-weight: 600;
}
.chart-canvas-wrap {
    position: relative;
    height: 220px;
    width: 100%;
    overflow: hidden;
}

.monitor-containers {
    margin-bottom: 1.2rem;
}
.monitor-containers h3 {
    font-size: .95rem;
    color: var(--headline);
    margin: 0 0 .6rem;
}

.container-type-badge {
    display: inline-block;
    font-size: .7rem;
    padding: .15rem .45rem;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .02em;
}
.type-web { background: #e0f2eb; color: #007a50; }
.type-files { background: #e0ecf8; color: #2a6ab5; }
.type-node { background: #fef3cd; color: #7a6219; }
.type-python { background: #ede0f5; color: #6b3fa0; }
.type-infra { background: #eee; color: #666; }

.monitor-drilldown {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    border: 2px solid var(--primary);
}
.drilldown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .8rem;
}
.drilldown-header h4 {
    margin: 0;
    font-size: .95rem;
    color: var(--headline);
}
.drilldown-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.monitor-link-bar {
    text-align: right;
    margin-top: .5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
    .nav-inner { flex-direction: column; height: auto; padding: .5rem 0; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .monitor-grid { grid-template-columns: 1fr 1fr; }
    .monitor-meta { flex-direction: column; gap: .3rem; }
}
@media (max-width: 580px) {
    .monitor-gauges { grid-template-columns: 1fr 1fr; }
    .monitor-charts-grid { grid-template-columns: 1fr; }
    .drilldown-charts { grid-template-columns: 1fr; }
    .monitor-meta-bar { flex-direction: column; gap: .3rem; }
}