:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --danger: #ef4444;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.app-container {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-weight: 600;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
}

h2 {
    font-weight: 400;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
    transition: background 0.3s, box-shadow 0.3s;
}

.dot.active {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

input[type="text"],
input[type="password"],
input[type="number"] {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.primary-btn {
    background: var(--accent);
    color: white;
    width: 100%;
}

.primary-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.accent-btn {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.accent-btn:hover {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.danger-btn {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}
.danger-btn:hover {
    background: var(--danger);
    color: white;
}

/* Toggle Switch */
.toggle-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}
.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);
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--accent);
}
input:checked + .slider:before {
    transform: translateX(22px);
}

.strategy-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
    margin-bottom: 2rem;
}

.strategies-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.strategy-card {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: fadeIn 0.4s ease forwards;
}

.strategy-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.strategy-pair {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent);
}
.strategy-details {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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