/* StonkMode -- Dark Trading Dashboard */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    --border: #30363d;
    --border-light: #484f58;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --green: #3fb950;
    --green-dim: #1a4028;
    --red: #f85149;
    --red-dim: #4a1c1a;
    --blue: #58a6ff;
    --blue-dim: #1a3250;
    --orange: #d29922;
    --orange-dim: #3d2e00;
    --purple: #bc8cff;
    --cyan: #56d4dd;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* --- Login --- */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 380px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.login-box h1 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.login-box .subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 24px;
}

.login-box .form-group {
    margin-bottom: 16px;
}

.login-box label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.15s;
}

.login-box input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-dim);
}

.login-box .btn-login {
    width: 100%;
    padding: 10px;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity 0.15s;
}

.login-box .btn-login:hover { opacity: 0.9; }
.login-box .btn-login:disabled { opacity: 0.5; cursor: not-allowed; }

.login-error {
    background: var(--red-dim);
    border: 1px solid var(--red);
    color: var(--red);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

/* --- Top Bar --- */
.topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.topbar-logo span { color: var(--blue); }

.mode-badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.mode-badge.sandbox {
    background: var(--blue-dim);
    color: var(--blue);
    border: 1px solid var(--blue);
}

.mode-badge.production {
    background: var(--orange-dim);
    color: var(--orange);
    border: 1px solid var(--orange);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kill-switch-btn {
    padding: 5px 14px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.15s;
}

.kill-switch-btn.inactive {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.kill-switch-btn.active {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0%, 100% { box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(248, 81, 73, 0); }
}

.btn-logout {
    padding: 5px 12px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-logout:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* --- Tabs --- */
.tab-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    gap: 0;
    overflow-x: auto;
}

.tab-btn {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}

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

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--blue);
}

/* --- Tab Content --- */
.tab-content {
    display: none;
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.tab-content.active { display: block; }

/* --- Cards --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.card-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    line-height: 1.2;
}

.card-value.positive { color: var(--green); }
.card-value.negative { color: var(--red); }
.card-value.neutral { color: var(--text-secondary); }

.card-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    font-family: var(--font-mono);
}

/* --- Tables --- */
.table-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}

.table-wrapper h3 {
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    padding: 10px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
}

td {
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    color: var(--text-primary);
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: var(--bg-hover); }

td.positive { color: var(--green); }
td.negative { color: var(--red); }
td.muted { color: var(--text-muted); }

.empty-state {
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* --- Process Status --- */
.process-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
}

.process-row:last-child { border-bottom: none; }

.process-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.process-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.process-dot.running { background: var(--green); box-shadow: 0 0 6px var(--green); }
.process-dot.stopped { background: var(--text-muted); }
.process-dot.exited { background: var(--red); }

.process-name {
    font-weight: 600;
    font-size: 13px;
}

.process-status {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.process-label {
    min-width: 0;
}

.process-meta {
    margin-top: 3px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    max-width: min(62vw, 780px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.process-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.btn {
    padding: 5px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all 0.15s;
}

.btn-start {
    background: var(--green-dim);
    color: var(--green);
    border-color: var(--green);
}

.btn-start:hover { background: var(--green); color: #fff; }

.btn-stop {
    background: var(--red-dim);
    color: var(--red);
    border-color: var(--red);
}

.btn-stop:hover { background: var(--red); color: #fff; }

.btn-sm { padding: 4px 12px; font-size: 12px; }

/* Confirmation Modal */
.confirm-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
}
.confirm-box {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; padding: 24px 28px; min-width: 340px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.confirm-title {
    font-size: 16px; font-weight: 600; color: var(--text-primary);
    margin-bottom: 8px;
}
.confirm-msg {
    font-size: 14px; color: var(--text-secondary);
    margin-bottom: 20px; line-height: 1.5;
}
.confirm-actions {
    display: flex; gap: 10px; justify-content: flex-end;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

.btn-primary:hover { opacity: 0.9; }

.btn-danger {
    background: var(--red-dim);
    color: var(--red);
    border-color: var(--red);
}

.btn-danger:hover { background: var(--red); color: #fff; }

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* --- Settings Form --- */
.settings-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 600px;
}

.settings-form .form-group {
    margin-bottom: 18px;
}

.settings-form label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-form input,
.settings-form select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.15s;
}

.settings-form input:focus,
.settings-form select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-dim);
}

.settings-form .btn-row {
    display: flex;
    gap: 8px;
    margin-top: 24px;
}

/* --- Signals --- */
.signal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 16px;
}

.signal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.signal-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.signal-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}

.signal-item:last-child { border-bottom: none; }

.signal-key { color: var(--text-secondary); }

.signal-val {
    font-family: var(--font-mono);
    font-weight: 600;
}

/* --- Section headings --- */
.section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* --- Change password section in settings --- */
.settings-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* --- Status indicator --- */
.conn-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    display: inline-block;
}

.conn-status.disconnected { background: var(--red); }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .card-grid { grid-template-columns: 1fr; }
    .topbar { padding: 0 12px; }
    .tab-content { padding: 16px; }
    .tab-btn { padding: 10px 12px; font-size: 12px; }
}

/* --- Toast notifications --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
}

.toast {
    padding: 10px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    animation: toast-in 0.3s ease;
    max-width: 360px;
}

.toast.success {
    background: var(--green-dim);
    border: 1px solid var(--green);
    color: var(--green);
}

.toast.error {
    background: var(--red-dim);
    border: 1px solid var(--red);
    color: var(--red);
}

.toast.info {
    background: var(--blue-dim);
    border: 1px solid var(--blue);
    color: var(--blue);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Activity tab --- */
#activity-log {
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
#activity-log::-webkit-scrollbar { width: 6px; }
#activity-log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
#activity-log div { word-break: break-all; }
#activity-filter { cursor: pointer; }
#activity-filter:focus { outline: 1px solid var(--cyan); }

/* --- Settings two-column layout --- */
.settings-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 900px) {
    .settings-columns { grid-template-columns: 1fr; }
}
.settings-col { min-width: 0; }
.settings-group-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cyan);
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* --- Info icon tooltips --- */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 10px;
    font-weight: 700;
    font-style: normal;
    color: var(--text-secondary);
    background: var(--border);
    border-radius: 50%;
    cursor: help;
    vertical-align: middle;
    margin-left: 4px;
    position: relative;
}
.info-icon:hover {
    background: var(--cyan);
    color: var(--bg-main);
}
.info-icon:hover::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    white-space: normal;
    width: 250px;
    line-height: 1.4;
    z-index: 100;
    box-shadow: 0 4px 16px rgba(0,0,0,0.7);
    pointer-events: none;
}