/* --- [Premium Design System: Nano Banana] --- */
:root {
    --banana-yellow: #FFE135;
    --banana-gold: #E6C200;
    --nano-bg: #0b0e11;
    --nano-card: #1e2329;
    --nano-border: rgba(255, 225, 53, 0.15);
    --glass-bg: rgba(30, 35, 41, 0.95);
}

body {
    background: var(--nano-bg) !important;
    background-image: radial-gradient(circle at 10% 10%, rgba(255, 225, 53, 0.05) 0%, transparent 50%) !important;
    background-attachment: fixed !important;
    font-family: 'Inter', -apple-system, sans-serif !important;
    font-size: 0.85rem !important;
    /* Increased from 0.78rem */
    color: #e2e8f0;
}

.container-fluid {
    padding-left: 15px;
    padding-right: 15px;
}

/* Force 350px / Flexible Split */
@media (min-width: 992px) {
    .gx-4 {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        align-items: flex-start !important;
    }

    .col-lg-4 {
        flex: 0 0 350px !important;
        width: 350px !important;
        max-width: 350px !important;
        padding-right: 15px !important;
    }

    .col-lg-8 {
        flex: 1 1 auto !important;
        width: calc(100% - 350px) !important;
        max-width: none !important;
    }
}

.glass-card {
    background: var(--nano-card) !important;
    border: 1px solid var(--nano-border) !important;
    border-radius: 4px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
}

.card-header {
    background: rgba(255, 255, 255, 0.01) !important;
    border-bottom: 1px solid var(--nano-border) !important;
    padding: 10px 15px !important;
}

.card-header h5 {
    font-size: 0.95rem !important;
    /* Increased from 0.88rem */
    font-weight: 800 !important;
    color: var(--banana-yellow) !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-gradient-text {
    background: linear-gradient(135deg, var(--banana-yellow), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Compact Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--nano-banana-yellow);
}

/* Nano Form Elements */
.form-control,
.form-select,
.btn {
    border-radius: 4px !important;
    font-size: 0.82rem !important;
    /* Increased from 0.75rem */
}

.form-control:focus,
.form-select:focus {
    border-color: var(--banana-yellow) !important;
    box-shadow: 0 0 0 0.2rem rgba(255, 225, 53, 0.2) !important;
}

.btn-primary {
    background: var(--banana-yellow) !important;
    /* Fixed variable name */
    border-color: var(--banana-yellow) !important;
    color: #000000 !important;
    font-weight: 900 !important;
    /* Extra bold */
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    filter: brightness(1.1);
}

/* Coin List Nano */
#coinList {
    max-height: 200px;
    overflow-y: auto;
    padding-right: 5px;
}

input,
select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    background: var(--input-bg);
    border: 1px solid #333;
    border-radius: 4px;
    color: white;
    font-family: var(--font-mono);
    box-sizing: border-box;
}

input:focus {
    outline: 1px solid var(--accent-blue);
}

button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: var(--font-heading);
    margin-bottom: 5px;
}

button:hover {
    opacity: 0.9;
}

.btn-binance {
    background: var(--accent-yellow);
    color: black;
}

.btn-upbit {
    background: var(--accent-blue);
    color: black;
}

.btn-kiwoom {
    background: var(--accent-red);
    color: white;
}

.btn-save {
    background: #444;
    color: white;
    margin-top: 10px;
}

.btn-info {
    background: #555;
    color: white;
}

.control-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.short-input {
    width: 80px;
}

.btn-group {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.btn-group button {
    width: auto;
    flex: 1;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid #555;
    color: #aaa;
}

.webhook-display {
    display: flex;
    gap: 10px;
    align-items: center;
    background: #000;
    padding: 10px;
    border-radius: 4px;
}

.webhook-display input {
    margin-bottom: 0;
    flex-grow: 1;
}

.webhook-display button {
    width: auto;
    margin-bottom: 0;
}

.binance-panel h2 {
    color: var(--accent-yellow);
}

.kiwoom-panel h2 {
    color: var(--accent-red);
}

.log-panel {
    height: 300px;
    display: flex;
    flex-direction: column;
}

#log-area {
    flex-grow: 1;
    background: #000;
    border: 1px solid #333;
    padding: 10px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-green);
    white-space: pre-wrap;
}

#toast {
    visibility: hidden;
    min-width: 250px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 4px;
    padding: 16px;
    position: fixed;
    z-index: 1;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    font-size: 17px;
}

#toast.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

@keyframes fadein {
    from {
        bottom: 0;
        opacity: 0;
    }

    to {
        bottom: 30px;
        opacity: 1;
    }
}

@keyframes fadeout {
    from {
        bottom: 30px;
        opacity: 1;
    }

    to {
        bottom: 0;
        opacity: 0;
    }
}

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

.radios label {
    margin-left: 10px;
    font-size: 0.9rem;
}