body { font-family: 'Segoe UI', Roboto, sans-serif; background: #0f0f12; color: #fff; margin: 0; padding-bottom: 80px; }

/* HEADER */
.app-header { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; background: #1a1a1d; border-bottom: 1px solid #333; position: sticky; top: 0; z-index: 100; }
.profile-sec { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.profile-img { width: 40px; height: 40px; border-radius: 50%; border: 2px solid #4caf50; background: #333; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 1.2em; color: #4caf50; }
.login-btn { background: #2563eb; color: white; border: none; padding: 8px 15px; border-radius: 20px; font-weight: bold; cursor: pointer; }
.logout-btn { background: #ef4444; margin-left: 5px; font-size: 0.8em; }
.wallet-sec { text-align: right; }
.wallet-label { font-size: 0.7em; color: #aaa; display: block; }
.wallet-amount { font-size: 1.2em; font-weight: bold; color: #ffca28; font-family: sans-serif; }
.coin-suffix { font-size: 0.6em; color: #fff; margin-left: 2px; }
.wallet-flash { animation: flashGold 1s ease-out; }
@keyframes flashGold { 0% { color: #fff; transform: scale(1.2); } 100% { color: #ffca28; transform: scale(1); } }

/* FOOTER */
.app-footer { position: fixed; bottom: 0; left: 0; width: 100%; background: #1a1a1d; border-top: 1px solid #333; display: flex; justify-content: space-around; align-items: center; padding: 10px 0; z-index: 100; box-shadow: 0 -4px 10px rgba(0,0,0,0.5); }
.footer-item { display: flex; flex-direction: column; align-items: center; color: #888; font-size: 0.75em; text-decoration: none; cursor: pointer; width: 20%; }
.footer-item span { font-size: 1.4em; margin-bottom: 3px; display: block; }
.footer-item:hover, .footer-item.active { color: #4caf50; }

/* TABLE */
.container { max-width: 1100px; margin: 20px auto; padding: 0 15px; }
.status-bar { text-align: center; color: #666; font-size: 0.8em; margin-bottom: 15px; }
.table-wrapper { width: 100%; overflow-x: auto; border-radius: 12px; background: #1e1e24; }
table { width: 100%; min-width: 350px; border-collapse: collapse; }
th, td { padding: 15px; text-align: left; border-bottom: 1px solid #2d2d35; }
th { background: #25252b; color: #bbb; font-size: 0.75em; text-transform: uppercase; }
.symbol { color: #ffb74d; font-weight: bold; }
.price-up { color: #00ff88; }
.price-down { color: #ff4d4d; }

/* MODALS */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); z-index: 200; justify-content: center; align-items: center; }
.modal-box { background: #1e1e24; padding: 25px; border-radius: 12px; width: 90%; max-width: 400px; border: 1px solid #333; position: relative; max-height: 90vh; overflow-y: auto; }
.modal-title { margin-top: 0; text-align: center; color: #4caf50; margin-bottom: 20px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 0.8em; color: #aaa; margin-bottom: 5px; }
.form-group input, .form-group select { width: 100%; padding: 12px; background: #121212; border: 1px solid #333; color: white; border-radius: 6px; box-sizing: border-box; }
optgroup { background: #25252b; color: #aaa; font-style: normal; }
option { background: #121212; color: #fff; padding: 5px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.btn-submit { flex: 1; padding: 12px; border: none; border-radius: 6px; font-weight: bold; cursor: pointer; }
.btn-login { background: #2563eb; color: white; }
.btn-signup { background: #4caf50; color: white; }
.btn-action { background: #e65100; color: white; width: 100%; }
.btn-exchange { background: #7b1fa2; color: white; width: 100%; }
.btn-whatsapp { background: #25D366; color: white; width: 100%; margin-top: 10px; }
.btn-close { position: absolute; top: 10px; right: 10px; background: none; border: none; color: #666; font-size: 1.5em; cursor: pointer; }
.error-msg { color: #ff4d4d; font-size: 0.8em; text-align: center; margin-top: 10px; display: none; }
.success-msg { color: #00e676; font-size: 0.9em; text-align: center; margin-top: 10px; display: none; }
.avail-bal { font-size: 0.8em; color: #4caf50; text-align: right; margin-top: 5px; }
.pkr-estimate { text-align: center; color: #00e676; font-weight: bold; font-size: 1.1em; margin-bottom: 15px; border: 1px dashed #333; padding: 10px; border-radius: 6px; background: rgba(0,230,118,0.05); }
.limit-info { background: #2a2a35; padding: 10px; border-radius: 6px; margin-bottom: 15px; font-size: 0.85em; color: #ddd; border-left: 3px solid #ff9800; }
.limit-highlight { color: #ffca28; font-weight: bold; }
.ref-link-box { background: #121212; padding: 10px; border: 1px solid #333; border-radius: 6px; color: #4caf50; font-family: monospace; word-break: break-all; text-align: center; margin-bottom: 10px; }
.exchange-result-box { text-align: center; margin-bottom: 15px; }
#exCalcResult { color: #00e676; font-weight: bold; font-size: 1.1em; }
.history-box { margin-top: 20px; border-top: 1px solid #333; padding-top: 10px; }
.history-title { font-size: 0.9em; color: #bbb; margin-bottom: 10px; }
.history-item { display: flex; justify-content: space-between; padding: 10px; background: #121212; margin-bottom: 5px; border-radius: 6px; font-size: 0.85em; border-left: 3px solid #333; }
.badge { padding: 3px 8px; border-radius: 4px; font-size: 0.75em; font-weight: bold; }
.badge-Pending { background: #ff9800; color: #000; }
.badge-Approved { background: #00e676; color: #000; }
.badge-Rejected { background: #f44336; color: #fff; }
.admin-account-box { background: #25252b; padding: 15px; border-radius: 8px; text-align: center; margin-bottom: 20px; border: 1px solid #4caf50; }

/* Tax Info Box */
.tax-info-box { display: flex; justify-content: space-between; background: #121212; padding: 10px; border-radius: 6px; font-size: 0.85em; margin-bottom: 10px; }

@media (max-width: 600px) { th, td { padding: 10px; font-size: 0.85em; } .app-title { display: none; } }