* { box-sizing: border-box; }
body {
    margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: #0e1117; color: #e6e6e6;
}
.topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 24px; background: #131722; border-bottom: 1px solid #2a2e39;
}
.logo { color: #26a69a; font-weight: 700; text-decoration: none; font-size: 18px; }
.topbar nav a { color: #d1d4dc; text-decoration: none; margin-left: 16px; }
.topbar nav a:hover { color: #26a69a; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
h1 { margin-top: 0; }
h1 small { color: #888; font-weight: 400; font-size: 16px; }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab { padding: 8px 16px; border-radius: 6px; text-decoration: none;
       color: #d1d4dc; background: #1e222d; }
.tab.active { background: #26a69a; color: #fff; }
.search { display: flex; gap: 8px; margin-bottom: 16px; }
.search input { flex: 1; padding: 8px; border-radius: 6px; border: 1px solid #2a2e39;
                background: #131722; color: #e6e6e6; }
button { padding: 8px 16px; border-radius: 6px; border: 0;
         background: #26a69a; color: #fff; cursor: pointer; font-size: 14px; }
button:hover { background: #1e8f7f; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.stock-table { width: 100%; border-collapse: collapse; }
.stock-table th, .stock-table td {
    padding: 10px; border-bottom: 1px solid #1e222d; text-align: left;
}
.stock-table tr:hover { background: #131722; }
.btn { display: inline-block; padding: 4px 10px; border-radius: 4px;
       background: #2a2e39; color: #26a69a; text-decoration: none; font-size: 13px;
       border: 0; cursor: pointer; }
.btn:hover { background: #26a69a; color: #fff; }
.chart { height: 480px; width: 100%; border-radius: 8px; overflow: hidden; }
.chart-controls { display: flex; justify-content: space-between;
                  align-items: center; margin: 12px 0; gap: 12px; flex-wrap: wrap; }
.chart-controls label { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.chart-controls select,
.chart-controls input { padding: 6px 10px; background: #131722;
                         color: #e6e6e6; border: 1px solid #2a2e39; border-radius: 6px; }
.status { color: #888; font-size: 13px; }
.legend { display: flex; gap: 20px; margin-top: 12px; font-size: 13px; color: #d1d4dc; flex-wrap: wrap; }
.legend i { display: inline-block; width: 12px; height: 3px; margin-right: 6px;
            vertical-align: middle; }
.legend-item { display: inline-flex; align-items: center; gap: 4px; margin-right: 14px; }
.legend-dim { opacity: 0.35; }
.flash { background: #263238; color: #b2ff59; padding: 10px 14px; border-radius: 6px;
         margin-bottom: 16px; }
.warn { color: #ffa726; }
.muted { color: #888; font-size: 13px; }
code { background: #1e222d; padding: 2px 6px; border-radius: 4px; color: #b2ff59; }
.form-narrow { max-width: 320px; display: flex; flex-direction: column; gap: 12px; }
.form-narrow label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.form-narrow input { padding: 8px; background: #131722; border: 1px solid #2a2e39;
                     color: #e6e6e6; border-radius: 6px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
         gap: 16px; margin-top: 16px; }
.card { background: #131722; border: 1px solid #1e222d; border-radius: 8px; padding: 16px; }
.card h3 { margin-top: 0; }
.card form { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.card input[type=file] { color: #d1d4dc; }
.card textarea { background: #0e1117; color: #e6e6e6; width: 100%;
                 border: 1px solid #2a2e39; border-radius: 6px; padding: 8px;
                 font-family: monospace; font-size: 13px; }
.card details { margin-top: 12px; }
.card summary { cursor: pointer; color: #26a69a; font-size: 13px; }
.status-ok { color: #26a69a; font-size: 13px; }
.status-no { color: #ef5350; font-size: 13px; }
footer { text-align: center; color: #666; padding: 24px; font-size: 12px; }

.upload-card { margin-top: 16px; }
.upload-card h3 { margin-top: 0; }
.upload-card form { display: flex; flex-direction: column; gap: 14px; }
.upload-card .row {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 14px;
}
@media (max-width: 700px) {
    .upload-card .row { grid-template-columns: 1fr; }
}
.upload-card label {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 13px; color: #d1d4dc;
}
.upload-card input[type=text],
.upload-card select,
.upload-card input[type=file] {
    padding: 8px 10px;
    background: #0e1117;
    border: 1px solid #2a2e39;
    color: #e6e6e6;
    border-radius: 6px;
    font-size: 14px;
}
.upload-card textarea {
    width: 100%; margin-top: 8px; padding: 8px;
    background: #0e1117; border: 1px solid #2a2e39; color: #e6e6e6;
    border-radius: 6px; font-family: monospace; font-size: 13px; resize: vertical;
}
.hint { color: #888; font-size: 12px; }
.btn-danger {
    padding: 5px 12px;
    background: #4a1e1e; color: #ff8a80;
    border: 0; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.btn-danger:hover { background: #ef5350; color: #fff; }

.eyebrow {
    display: inline-block;
    padding: 4px 12px; border-radius: 999px;
    background: rgba(38,166,154,0.12); color: #26a69a;
    font-size: 12px; font-weight: 600; letter-spacing: 0.4px;
    text-transform: uppercase; margin-bottom: 16px;
}
.hero {
    text-align: center; padding: 56px 20px 40px; margin-bottom: 48px;
    background: radial-gradient(ellipse at 50% 0%, rgba(38,166,154,0.18), transparent 60%);
    border-radius: 16px; border: 1px solid #1e222d;
}
.hero h1 { font-size: 44px; line-height: 1.1; margin: 0 0 18px;
           font-weight: 800; letter-spacing: -0.5px; }
.hero h1 .accent { display: block; color: #26a69a; font-size: 0.72em;
                   margin-top: 10px; font-weight: 700; }
.hero .lead { font-size: 17px; color: #b0b8c4; max-width: 720px;
              margin: 0 auto 28px; line-height: 1.65; }
.hero-actions { display: flex; gap: 12px; justify-content: center;
                flex-wrap: wrap; margin-bottom: 36px; }
.btn-lg { padding: 12px 24px; font-size: 15px; font-weight: 600; border-radius: 8px; }
.btn-primary { background: #26a69a; color: #fff; text-decoration: none; display: inline-block; }
.btn-primary:hover { background: #1e8f7f; }
.btn-ghost { background: transparent; border: 1px solid #2a2e39;
             color: #d1d4dc; text-decoration: none; display: inline-block; }
.btn-ghost:hover { border-color: #26a69a; color: #26a69a; }
.hero-stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px; max-width: 760px; margin: 0 auto;
}
.hero-stats .stat { background: #131722; border: 1px solid #1e222d;
                    border-radius: 10px; padding: 18px 12px; text-align: center; }
.hero-stats .stat b { display: block; color: #26a69a; font-size: 22px;
                      font-weight: 800; margin-bottom: 4px; }
.hero-stats .stat span { color: #888; font-size: 12px; }
.section { margin: 56px 0; }
.section-head { text-align: center; margin-bottom: 28px; }
.section-head h2 { font-size: 30px; margin: 0 0 8px; font-weight: 800; letter-spacing: -0.3px; }
.section-head p { color: #888; max-width: 640px; margin: 0 auto; }
.feature-card { transition: border-color .15s, transform .15s; }
.feature-card:hover { border-color: #26a69a; transform: translateY(-2px); }
.card-icon {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 8px;
    background: #1e3a3a; color: #26a69a; font-weight: 800; font-size: 13px;
    margin-bottom: 14px;
}
.process { margin: 56px 0; }
.steps {
    list-style: none; padding: 0; margin: 0;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px; counter-reset: step;
}
.steps li {
    background: #131722; border: 1px solid #1e222d; border-radius: 10px;
    padding: 26px 18px 18px; position: relative; counter-increment: step;
}
.steps li::before {
    content: counter(step);
    position: absolute; top: -14px; left: 18px;
    width: 32px; height: 32px; border-radius: 50%;
    background: #26a69a; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 14px; box-shadow: 0 0 0 4px #0e1117;
}
.steps h3 { margin: 8px 0 8px; font-size: 16px; }
.steps p { color: #a0a8b4; font-size: 14px; margin: 0; }
.section-stocks { margin-top: 72px; }
@media (max-width: 640px) {
    .hero h1 { font-size: 32px; }
    .hero { padding: 40px 16px 28px; }
    .section-head h2 { font-size: 24px; }
}
.rsi-chart {
    height: 160px; width: 100%; margin-top: 4px;
    border-radius: 8px; overflow: hidden;
}
.rsi-head {
    display: flex; align-items: baseline; gap: 8px;
    margin: 16px 0 4px; font-size: 13px;
}
.chart-controls label input[type=checkbox] {
    margin-right: 4px;
    vertical-align: middle;
}
.macd-hist-pos { color: #26a69a; }
.macd-hist-neg { color: #ef5350; }