:root {
    --bg-color: #030712;
    --card-bg: rgba(17, 24, 39, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    
    --primary-color: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent-short: #ef4444;
    --accent-short-glow: rgba(239, 68, 68, 0.4);
    --accent-long: #10b981;
    --accent-long-glow: rgba(16, 185, 129, 0.4);
    --accent-warn: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 20px;
    overflow-x: hidden;
    position: relative;
}

/* Background Deco Glows */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}
.bg-glow-1 {
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    top: -10%;
    left: -10%;
}
.bg-glow-2 {
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    bottom: -10%;
    right: -10%;
}

/* Layout Container */
.glass-container {
    width: 100%;
    max-width: 1000px;
    background: rgba(17, 24, 39, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

/* Header Styling */
header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}
.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}
.pulse-dot {
    width: 12px;
    height: 12px;
    background-color: #6b7280;
    border-radius: 50%;
    display: inline-block;
}
.pulse-dot.active {
    background-color: #10b981;
    box-shadow: 0 0 12px #10b981;
    animation: pulse 2s infinite;
}
.pulse-dot.scanning {
    background-color: var(--primary-color);
    box-shadow: 0 0 12px var(--primary-color);
    animation: pulse 1s infinite;
}
header h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, #93c5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.badge {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}
.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* Grid Cards */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}
@media (max-width: 768px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}
.card {
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, border-color 0.2s;
}
.card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}
.glass-card {
    background: var(--card-bg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}
.card h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-desc {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 15px;
}

/* Forms & Inputs */
.input-group {
    margin-bottom: 18px;
}
.input-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 600;
}
.input-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.input-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Push Status */
.push-status-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 18px;
}
.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}
.status-enabled {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}
.status-disabled {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Buttons */
.button-row {
    display: flex;
    justify-content: flex-end;
}
.btn {
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    width: 100%;
}
.btn:active {
    transform: scale(0.98);
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}
.btn-danger {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
}

/* Summary Bar */
.status-summary-bar {
    display: flex;
    justify-content: space-around;
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}
@media (max-width: 600px) {
    .status-summary-bar {
        flex-direction: column;
        gap: 15px;
    }
}
.status-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.status-item .label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.status-item .value {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
}

/* Alerts Section */
.alert-section {
    margin-top: 20px;
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.section-header h2 {
    font-size: 20px;
    font-weight: 600;
}
.refresh-indicator {
    font-size: 12px;
    color: var(--text-secondary);
}
.alert-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 5px;
}
.alert-list::-webkit-scrollbar {
    width: 6px;
}
.alert-list::-webkit-scrollbar-track {
    background: transparent;
}
.alert-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

/* Alert Item Card */
.alert-item {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-left-width: 5px;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}
.alert-item:hover {
    transform: translateX(4px);
    background: rgba(255, 255, 255, 0.04);
}
.alert-item.alert-short {
    border-left-color: var(--accent-short);
}
.alert-item.alert-short:hover {
    box-shadow: -5px 0 15px var(--accent-short-glow);
}
.alert-item.alert-long {
    border-left-color: var(--accent-long);
}
.alert-item.alert-long:hover {
    box-shadow: -5px 0 15px var(--accent-long-glow);
}

.alert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.symbol-name {
    font-size: 16px;
    font-weight: 700;
}
.alert-badge-tf {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}
.alert-body {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}
.signal-type {
    font-weight: 600;
    margin-bottom: 8px;
}
.alert-short .signal-type {
    color: #f87171;
}
.alert-long .signal-type {
    color: #34d399;
}
.alert-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.detail-item span:last-child {
    color: var(--text-primary);
    font-weight: 600;
    margin-left: 4px;
}
.alert-time {
    font-size: 11px;
    color: #6b7280;
    text-align: right;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}
.empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.5;
}
.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 320px;
    line-height: 1.5;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(0.95);
        opacity: 0.5;
    }
}