:root {
    /* Dark Theme (Default) */
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --text-bright: #ffffff;
    --primary-accent: #58a6ff;
    --primary-hover: #3182ce;
    --danger-color: #f85149;
    --success-color: #2ea043;
    --warning-color: #f1c40f;
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(48, 54, 61, 0.5);
    --input-bg: rgba(13, 17, 23, 0.8);
    --card-bg: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
    --bg-color: #f6f8fa;
    --text-color: #24292f;
    --text-bright: #1b1f24;
    --primary-accent: #0969da;
    --primary-hover: #0c59b3;
    --danger-color: #cf222e;
    --success-color: #1a7f37;
    --warning-color: #d4a017;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(208, 215, 222, 0.8);
    --input-bg: #ffffff;
    --card-bg: #ffffff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.overlay-bg {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at top left, rgba(88, 166, 255, 0.05), transparent 40%),
                radial-gradient(circle at bottom right, rgba(248, 81, 73, 0.03), transparent 60%);
    z-index: -2;
}

.background-radial {
    position: fixed;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: conic-gradient(from 180deg at 50% 50%, #2a8af610 0deg, #a855f710 180deg, #10b98110 360deg);
    filter: blur(150px);
    z-index: -1;
    animation: rotateBg 60s linear infinite;
}

@keyframes rotateBg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

h2 {
    margin-top: 0;
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--text-bright);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

/* Glass Panels */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.active-strat {
    margin-bottom: 1.5rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.stopped-strat {
    filter: grayscale(0.5);
    opacity: 0.6;
    border-color: rgba(248, 81, 73, 0.3) !important;
    background: rgba(20, 20, 25, 0.6) !important;
}

.stopped-strat .log-console {
    filter: brightness(0.7);
    color: #8b949e;
}

.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-bright);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(35, 134, 54, 0.7);
    animation: pulseObj 2s infinite;
}

@keyframes pulseObj {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(35, 134, 54, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(35, 134, 54, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(35, 134, 54, 0); }
}

.container {
    max-width: 1200px;
    margin: 1.5rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 1.5rem;
}

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-color);
    opacity: 0.7;
    font-weight: 700;
}

input[type="text"], input[type="number"], select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    box-sizing: border-box;
    height: 42px;
}

/* Single Action Toggles for Legs */
.toggle-btn {
    width: 100%;
    height: 42px;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.5px;
}

.toggle-btn.buy { background-color: var(--success-color); border-color: var(--success-color); }
.toggle-btn.sell { background-color: var(--danger-color); border-color: var(--danger-color); }
.toggle-btn.ce { background-color: var(--success-color); border-color: var(--success-color); }
.toggle-btn.pe { background-color: var(--danger-color); border-color: var(--danger-color); }
.toggle-btn.curr { background-color: var(--primary-accent); border-color: var(--primary-accent); }
.toggle-btn.next { background-color: var(--warning-color); border-color: var(--warning-color); color: #000; }

.leg-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.control-box { flex: 1 1 100px; }
.qty-box { flex: 0 0 80px; }

.btn-theme {
    background: none;
    border: 1px solid var(--glass-border);
    color: var(--text-bright);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    height: 40px;
}

.btn-primary {
    background: var(--primary-accent);
    color: #fff;
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    margin-top: 1rem;
    font-size: 1rem;
    transition: all 0.3s;
}

.btn-primary.update-mode {
    background: #f59e0b; /* Amber */
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

.btn-remove {
    color: var(--danger-color);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.6;
    transition: 0.2s;
}

.log-console {
    background: #000000;
    border-radius: 8px;
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    height: 180px;
    overflow-y: auto;
    color: #4ade80; /* Terminal Green */
    border: 1px solid var(--glass-border);
    line-height: 1.4;
}

.stop-link {
    color: var(--danger-color);
    background: none;
    border: 1px solid var(--danger-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 700;
    transition: 0.2s;
}
.stop-link:hover { background: var(--danger-color); color: #fff; }

/* Switch Control */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(255,255,255,0.1); border-radius: 24px; transition: .4s; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 2px; bottom: 2px; background-color: white; border-radius: 50%; transition: .4s; }
input:checked + .slider { background-color: var(--primary-accent); }
input:checked + .slider:before { transform: translateX(20px); }

/* Responsive Grid Adjustments */
@media (max-width: 992px) {
    .container { grid-template-columns: 1fr; gap: 1.5rem; }
    .glass-nav { padding: 1rem 1.5rem; }
}

@media (max-width: 600px) {
    body { padding-bottom: 2rem; }
    .glass-nav { flex-direction: column; gap: 1rem; padding: 1.25rem; height: auto; align-items: flex-start; }
    .logo { width: 100%; justify-content: space-between; margin-bottom: 0.25rem; font-size: 0.95rem; }
    .actions { width: 100%; justify-content: space-between; }
    .container { margin: 1rem auto; padding: 0 0.75rem; }
    .glass-panel { padding: 1.25rem; border-radius: 12px; }
    .grid-2 { grid-template-columns: 1fr; gap: 1.25rem; }
    .leg-card { flex-direction: column; align-items: stretch; gap: 1rem; padding: 1rem; }
    .control-box { flex: auto; width: 100%; }
    .qty-box { max-width: 100%; }
    .btn-remove { position: absolute; top: 1rem; right: 1rem; }
    .trigger-group { flex-direction: column; }
    .legs-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
}
/* Custom Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none; /* Hidden by default - script toggles display: flex */
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(8px);
}

.modal-content {
    max-width: 420px;
    width: 90%;
    text-align: center;
    background: var(--glass-bg);
    padding: 2.5rem;
    animation: modalScaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}