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

:root {
    --bg: #0a0a0f;
    --card: #15151f;
    --border: #2a2a3a;
    --primary: #ff6b9d;
    --primary2: #c44dff;
    --text: #e4e4ef;
    --muted: #8888a0;
    --success: #00d09c;
    --danger: #ff4757;
    --warning: #ffa502;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.app { width: 100%; max-width: 480px; }

.logo { text-align: center; margin-bottom: 24px; }

.logo h1 {
    font-size: 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo p { color: var(--muted); font-size: 14px; margin-top: 4px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
}

.card h2 {
    font-size: 16px;
    color: var(--muted);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

input, textarea, select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    color: var(--text);
    font-size: 15px;
    margin-bottom: 12px;
    outline: none;
    transition: border-color 0.2s;
}

input:focus, textarea:focus { border-color: var(--primary); }

textarea { font-family: 'Courier New', monospace; resize: vertical; min-height: 80px; }

button {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border: none;
    border-radius: 10px;
    padding: 14px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

button:hover { opacity: 0.9; }
button:active { transform: scale(0.98); }
button.secondary { background: var(--border); color: var(--text); }
button.danger { background: var(--danger); }

.btn-row { display: flex; gap: 12px; }
.btn-row button { flex: 1; }

.balance-box { text-align: center; padding: 20px 0; }

.balance-box .amount {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.balance-box .label { color: var(--muted); font-size: 14px; margin-top: 4px; }

.balance-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.balance-row .token { display: flex; align-items: center; gap: 10px; }

.token-icon {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}

.token-icon.bnb { background: #f0b90b; color: #000; }
.token-icon.inc { background: linear-gradient(135deg, var(--primary), var(--primary2)); color: white; }

.balance-row .val { text-align: right; }
.balance-row .val .num { font-weight: 600; font-size: 16px; }
.balance-row .val .usd { color: var(--muted); font-size: 13px; }

.address-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.address-box .addr {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}

.copy-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 12px;
    color: var(--muted);
    font-size: 13px;
    cursor: pointer;
    width: auto;
}

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

.nav {
    display: flex;
    justify-content: space-around;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 16px;
}

.nav-item {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--muted);
    transition: all 0.2s;
}

.nav-item.active { color: var(--text); background: rgba(255, 107, 157, 0.1); }

.hidden { display: none !important; }

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.alert.success { background: rgba(0, 208, 156, 0.1); border: 1px solid var(--success); color: var(--success); }
.alert.error { background: rgba(255, 71, 87, 0.1); border: 1px solid var(--danger); color: var(--danger); }
.alert.warning { background: rgba(255, 165, 2, 0.1); border: 1px solid var(--warning); color: var(--warning); }
.alert.info { background: rgba(196, 77, 255, 0.1); border: 1px solid var(--primary2); color: var(--primary2); }

.mnemonic-display {
    background: var(--bg);
    border: 2px dashed var(--primary);
    border-radius: 12px;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 16px;
    word-spacing: 8px;
}

.warning-text {
    color: var(--warning);
    font-size: 13px;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.5;
}

.tx-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.tx-item .tx-info .tx-type { font-size: 14px; font-weight: 500; }
.tx-item .tx-info .tx-hash { font-size: 12px; color: var(--muted); font-family: 'Courier New', monospace; }
.tx-item .tx-amount { text-align: right; font-weight: 600; font-size: 14px; }
.tx-item .tx-amount.out { color: var(--danger); }
.tx-item .tx-amount.in { color: var(--success); }

.empty-state { text-align: center; color: var(--muted); padding: 40px 0; font-size: 14px; }

.label-text { font-size: 13px; color: var(--muted); margin-bottom: 6px; display: block; }

.qr-placeholder {
    text-align: center;
    padding: 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 16px;
}

.qr-placeholder .addr-full {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    word-break: break-all;
    color: var(--text);
    margin-top: 12px;
}

.spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { color: var(--muted); font-size: 14px; }