:root {
    color-scheme: dark;
    --bg: #070913;
    --panel: rgba(20, 26, 46, 0.6);
    --panel-2: rgba(30, 41, 59, 0.4);
    --line: rgba(59, 130, 246, 0.12);
    --text: #f1f5f9;
    --muted: #94a3b8;
    --green: #00e676;
    --red: #ff1744;
    --blue: #00e5ff;
    --yellow: #ffd166;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, Segoe UI, Arial, sans-serif;
}

.shell {
    width: min(1180px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 28px 0;
}

.topbar,
.controls,
.grid,
.actions,
.metrics {
    display: grid;
    gap: 14px;
}

.topbar {
    grid-template-columns: 1fr auto;
    align-items: end;
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    letter-spacing: 0;
}

h1 {
    font-size: clamp(28px, 4vw, 42px);
}

h2 {
    font-size: 18px;
    margin-bottom: 14px;
}

.pill {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
    color: var(--muted);
    background: var(--panel);
    font-size: 13px;
    transition: all 0.3s ease;
}

.health-online {
    color: var(--green);
    border-color: rgba(51, 209, 122, 0.4);
    background: rgba(51, 209, 122, 0.12);
    font-weight: 700;
    box-shadow: 0 0 10px rgba(51, 209, 122, 0.15);
}

.health-offline {
    color: var(--red);
    border-color: rgba(255, 92, 122, 0.4);
    background: rgba(255, 92, 122, 0.12);
    font-weight: 700;
    box-shadow: 0 0 10px rgba(255, 92, 122, 0.15);
}

.mode-paper {
    background: rgba(98, 182, 255, 0.12);
    color: var(--blue);
    border-color: rgba(98, 182, 255, 0.3);
    font-weight: 700;
}

.mode-real {
    background: rgba(255, 92, 122, 0.12);
    color: var(--red);
    border-color: rgba(255, 92, 122, 0.3);
    font-weight: 700;
    box-shadow: 0 0 10px rgba(255, 92, 122, 0.1);
    animation: heartbeat 2s infinite alternate;
}

@keyframes heartbeat {
    0% { transform: scale(1); box-shadow: 0 0 6px rgba(255, 92, 122, 0.1); }
    100% { transform: scale(1.02); box-shadow: 0 0 12px rgba(255, 92, 122, 0.35); }
}

.tag-paper {
    background: rgba(59, 130, 246, 0.15) !important;
    color: #3b82f6 !important;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

.tag-real {
    background: rgba(255, 23, 68, 0.15) !important;
    color: var(--red) !important;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    border: 1px solid rgba(255, 23, 68, 0.3) !important;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

.controls {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    align-items: end;
    padding: 14px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    margin-bottom: 14px;
}

/* Connection status badges */
.status-connected {
    color: var(--green) !important;
    border-color: rgba(51, 209, 122, 0.4) !important;
    background: rgba(51, 209, 122, 0.12) !important;
    font-weight: 700;
}
.status-connecting {
    color: var(--yellow) !important;
    border-color: rgba(255, 209, 102, 0.4) !important;
    background: rgba(255, 209, 102, 0.12) !important;
    font-weight: 700;
}
.status-disconnected {
    color: var(--muted) !important;
    border-color: var(--line) !important;
    background: rgba(48, 57, 70, 0.2) !important;
    font-weight: 700;
}
.status-error {
    color: var(--red) !important;
    border-color: rgba(255, 92, 122, 0.4) !important;
    background: rgba(255, 92, 122, 0.12) !important;
    font-weight: 700;
}

/* Connect / Disconnect button styling */
.connect-btn {
    background: linear-gradient(135deg, var(--green) 0%, #00c853 100%) !important;
    color: #07111c !important;
    font-weight: 800;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0, 230, 118, 0.2);
    transition: all 0.2s ease;
}
.connect-btn:hover {
    box-shadow: 0 4px 20px rgba(0, 230, 118, 0.45);
    filter: brightness(1.1);
}
.disconnect-btn {
    background: linear-gradient(135deg, var(--red) 0%, #d90429 100%) !important;
    color: #ffffff !important;
    font-weight: 800;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 23, 68, 0.2);
    transition: all 0.2s ease;
}
.disconnect-btn:hover {
    box-shadow: 0 4px 20px rgba(255, 23, 68, 0.45);
    filter: brightness(1.1);
}

/* Error Alert Banner */
.error-alert {
    background: rgba(255, 92, 122, 0.12);
    border: 1px solid rgba(255, 92, 122, 0.4);
    color: var(--red);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    display: flex;
    gap: 8px;
    align-items: center;
    box-shadow: 0 4px 12px rgba(255, 92, 122, 0.05);
}

label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

select,
input,
textarea,
button {
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #0f141a;
    color: var(--text);
    font: inherit;
}

select,
input,
button {
    min-height: 42px;
    padding: 0 12px;
}

button {
    cursor: pointer;
    background: linear-gradient(135deg, var(--blue) 0%, #00b0ff 100%);
    color: #070913;
    font-weight: 800;
    border-color: transparent;
    transition: all 0.2s ease, transform 0.1s ease;
    box-shadow: 0 4px 12px rgba(0, 229, 255, 0.15);
}

button:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 16px rgba(0, 229, 255, 0.35);
}

button:active {
    transform: scale(0.98);
}

button.secondary {
    background: rgba(30, 41, 59, 0.7) !important;
    border: 1px solid var(--line) !important;
    color: var(--text) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

button.secondary:hover {
    background: rgba(51, 65, 85, 0.8) !important;
    border-color: rgba(0, 229, 255, 0.3) !important;
    box-shadow: 0 4px 16px rgba(0, 229, 255, 0.1);
}

button.orange-btn {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
    color: white !important;
    font-weight: 800;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.2);
    transition: all 0.2s ease, transform 0.1s ease;
}

button.orange-btn:hover {
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.45);
    filter: brightness(1.1);
}

button.orange-btn:active {
    transform: scale(0.98);
}

button.no-more-trade-btn {
    background: linear-gradient(135deg, var(--red) 0%, #d90429 100%) !important;
    color: white !important;
    font-weight: 800;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 23, 68, 0.2);
    transition: all 0.2s ease, transform 0.1s ease;
}

button.no-more-trade-btn:hover {
    box-shadow: 0 4px 20px rgba(255, 23, 68, 0.45);
    filter: brightness(1.1);
}

button.no-more-trade-btn:active {
    transform: scale(0.98);
}

button.no-more-trade-btn.blocked {
    background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%) !important;
    color: #070913 !important;
    box-shadow: 0 4px 15px rgba(234, 179, 8, 0.2);
}

button.no-more-trade-btn.blocked:hover {
    box-shadow: 0 4px 20px rgba(234, 179, 8, 0.45);
    filter: brightness(1.1);
}

#sampleBtn {
    background: linear-gradient(135deg, #00e676, #00b0ff); /* Vibrantly styled green-blue gradient */
    color: #ffffff !important;
    font-size: 15px;
    font-weight: 800;
    min-height: 48px;
    padding: 0 24px;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.45);
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

#sampleBtn:hover {
    transform: scale(1.06);
    box-shadow: 0 0 22px rgba(0, 230, 118, 0.7);
}

.grid {
    grid-template-columns: 0.9fr 1.1fr;
    margin-bottom: 14px;
}

.panel {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

/* Market Ticker styling */
.market-ticker {
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ticker-main {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.ticker-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.ticker-price {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    font-family: monospace;
}

.ticker-change {
    font-size: 13px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(48, 57, 70, 0.4);
    color: var(--muted);
    font-family: monospace;
}

.ticker-change.up {
    color: var(--green);
    background: rgba(51, 209, 122, 0.12);
    border: 1px solid rgba(51, 209, 122, 0.2);
}

.ticker-change.down {
    color: var(--red);
    background: rgba(255, 92, 122, 0.12);
    border: 1px solid rgba(255, 92, 122, 0.2);
}

.ticker-ohlc {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    border-top: 1px solid rgba(48, 57, 70, 0.5);
    padding-top: 12px;
}

.ohlc-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ohlc-box span:first-child {
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    font-weight: 700;
}

.ohlc-box span:last-child {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    font-family: monospace;
}

.metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 14px;
}

.metrics div {
    padding: 12px;
    background: var(--panel-2);
    border-radius: 7px;
    min-width: 0;
}

.metrics span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 6px;
}

.metrics strong {
    display: block;
    overflow-wrap: anywhere;
}

.option-ticker {
    display: grid;
    grid-template-columns: 0.7fr 1.4fr 0.7fr 0.7fr;
    gap: 10px;
    margin-bottom: 14px;
}

.option-ticker div {
    padding: 12px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 7px;
    min-width: 0;
}

.option-ticker span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    margin-bottom: 6px;
    text-transform: uppercase;
    font-weight: 700;
}

.option-ticker strong {
    display: block;
    overflow-wrap: anywhere;
    font-family: monospace;
}

.active {
    min-height: 128px;
    padding: 14px;
    background: #0f141a;
    border: 1px solid var(--line);
    border-radius: 7px;
    color: var(--muted);
    line-height: 1.6;
}

.hint {
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 13px;
}

textarea {
    width: 100%;
    min-height: 210px;
    padding: 12px;
    resize: vertical;
    line-height: 1.5;
}

.actions {
    grid-template-columns: 1fr 1fr;
    margin-top: 10px;
}

.events {
    display: grid;
    gap: 10px;
}

.safety-panel {
    margin-top: 14px;
}

.safety-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.safety-controls button {
    min-width: 96px;
}

.event {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 7px;
}

.event strong {
    color: var(--blue);
}

.event .exit {
    color: var(--yellow);
}

.profit {
    color: var(--green);
}

.loss {
    color: var(--red);
}

@media (max-width: 860px) {
    .topbar,
    .controls,
    .grid,
    .metrics,
    .option-ticker,
    .event {
        grid-template-columns: 1fr;
    }

    .topbar {
        align-items: start;
    }
}

/* Login Screen Overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(16, 19, 24, 0.92) 0%, rgba(8, 10, 12, 0.99) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-card {
    width: min(400px, calc(100vw - 32px));
    padding: 32px;
    background: rgba(23, 29, 36, 0.65);
    border: 1px solid rgba(48, 57, 70, 0.6);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(98, 182, 255, 0.05);
    backdrop-filter: blur(6px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6), 0 0 25px rgba(98, 182, 255, 0.1);
}

.login-header {
    margin-bottom: 24px;
    text-align: center;
}

.login-eyebrow {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.login-header h2 {
    font-size: 24px;
    margin: 0;
    color: var(--text);
    font-weight: 800;
}

.login-body {
    display: grid;
    gap: 18px;
}

.input-group {
    display: grid;
    gap: 8px;
}

.input-group label {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-group input {
    width: 100%;
    background: rgba(15, 20, 26, 0.7);
    border: 1px solid var(--line);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 8px rgba(98, 182, 255, 0.2);
    outline: none;
}

.login-error {
    background: rgba(255, 92, 122, 0.1);
    border: 1px solid rgba(255, 92, 122, 0.25);
    color: var(--red);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    text-align: center;
    font-weight: 600;
    animation: shake 0.3s ease-in-out;
}

.login-btn {
    width: 100%;
    margin-top: 8px;
    background: linear-gradient(135deg, var(--blue) 0%, #3d8bff 100%);
    color: #07111c;
    font-weight: 800;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(98, 182, 255, 0.2);
    transition: transform 0.1s, box-shadow 0.2s, background 0.2s;
}

.login-btn:hover {
    box-shadow: 0 6px 16px rgba(98, 182, 255, 0.35);
    background: linear-gradient(135deg, #78c2ff 0%, #509eff 100%);
}

.login-btn:active {
    transform: scale(0.98);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* Kodee UI refresh */
body{min-height:100vh;background:radial-gradient(circle at top,#1e3a8a 0%,#0f172a 42%,#020617 100%);color:#e5eefc}
.shell{min-height:100vh}
.login-overlay{background:linear-gradient(135deg,rgba(15,23,42,.88),rgba(30,41,59,.78));backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:min(560px,100%);border:1px solid rgba(148,163,184,.22);box-shadow:0 30px 80px rgba(2,6,23,.55);background:linear-gradient(180deg,rgba(15,23,42,.94),rgba(15,23,42,.82));border-radius:28px;overflow:hidden;position:relative}
.login-card:before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(59,130,246,.18),transparent 36%,rgba(168,85,247,.12));pointer-events:none}
.login-header{padding:28px 28px 0}
.login-body{padding:24px 28px 30px;display:grid;gap:16px}
.login-eyebrow,.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:#93c5fd}
.login-card h2{font-size:clamp(2rem,4vw,3rem);line-height:1.05;margin:.2rem 0 0;color:#fff}
.input-group label{color:#bfdbfe;font-weight:700}
.input-group input{background:rgba(15,23,42,.85);border:1px solid rgba(148,163,184,.22);color:#fff;border-radius:14px;padding:14px 16px}
.login-btn{width:100%;border:0;border-radius:14px;padding:14px 18px;font-weight:800;background:linear-gradient(90deg,#2563eb,#7c3aed);color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.35)}
.login-preview{margin-top:4px;padding:18px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(148,163,184,.16)}
.preview-chip{display:inline-block;margin-bottom:12px;padding:7px 12px;border-radius:999px;background:rgba(37,99,235,.2);color:#bfdbfe;font-size:.85rem;font-weight:700}
.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.preview-grid div{padding:12px;border-radius:14px;background:rgba(15,23,42,.75);border:1px solid rgba(148,163,184,.14)}
.preview-grid strong{display:block;color:#fff;font-size:1rem}
.preview-grid span{display:block;color:#94a3b8;font-size:.85rem;margin-top:3px}
@media (max-width:640px){.preview-grid{grid-template-columns:1fr}.login-header,.login-body{padding-left:18px;padding-right:18px}}