* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', sans-serif; }
body { background-color: #ffffff; color: #333; overflow-x: hidden; }

.app-header { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.pro-badge { background: gold; color: #000; font-size: 10px; padding: 2px 5px; border-radius: 4px; vertical-align: top; }
.premium-btn { background: #ffeaa7; border: none; padding: 8px 15px; border-radius: 20px; color: #d63031; font-weight: bold; cursor: pointer; }

.tab-content { display: none; padding: 20px; padding-bottom: 90px; }
.tab-content.active { display: block; }
.section-title { margin-bottom: 15px; color: #555; border-bottom: 2px solid #eee; padding-bottom: 5px; }

/* Dashboard & Cards */
.dashboard-card, .settings-card { background: #f8f9fa; padding: 15px; border-radius: 10px; border: 1px solid #eee; }
.give-get { display: flex; justify-content: space-between; text-align: center; font-weight: bold; }
.red { color: #d63031; font-size: 20px; }
.green { color: #00b894; font-size: 20px; }
.customer-item { padding: 15px; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center;}

/* Forms & Inputs */
.input-group, .otp-box, .form-container input, .settings-card input { width: 100%; border: 1px solid #ddd; border-radius: 8px; padding: 12px; margin-bottom: 15px; font-size: 16px; }
.input-group { display: flex; align-items: center; }
.input-group input { border: none; outline: none; flex: 1; padding-left: 10px; margin-bottom: 0; }
.item-row { display: flex; gap: 5px; margin-bottom: 10px; }

/* Buttons */
.primary-btn, .success-btn, .add-btn { width: 100%; padding: 14px; border: none; border-radius: 8px; font-size: 16px; color: #fff; cursor: pointer; font-weight: bold; }
.primary-btn { background-color: #0044cc; }
.success-btn { background-color: #00a859; }
.add-btn { background-color: #ff3366; margin: 20px 0; }
.text-btn { background: none; border: none; color: #0044cc; font-weight: bold; cursor: pointer; padding: 5px 0; }
.mt-10 { margin-top: 10px; }

/* Cash Counter */
.cash-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; font-size: 16px; font-weight: bold; }
.cash-input { width: 50%; padding: 8px; border: 1px solid #ccc; border-radius: 5px; text-align: right; font-size: 16px; }
.total-cash { margin-top: 20px; text-align: center; color: #0044cc; font-size: 24px; }

/* Bottom Nav */
.bottom-nav { position: fixed; bottom: 0; left: 0; width: 100%; background: #fff; display: flex; justify-content: space-around; padding: 10px 0; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); z-index: 99;}
.nav-item { text-align: center; color: #888; font-size: 12px; cursor: pointer; flex: 1; display: flex; flex-direction: column; align-items: center; }
.nav-item i { font-size: 20px; margin-bottom: 5px; }
.nav-item.active { color: #0044cc; }
.center-btn i { font-size: 35px; color: #0044cc; margin-top: -15px; background: #fff; border-radius: 50%; box-shadow: 0 -2px 5px rgba(0,0,0,0.1); }

/* Modals & Links */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 1000; justify-content: center; align-items: center; }
.modal-content { background: #fff; padding: 25px; border-radius: 15px; width: 90%; max-width: 400px; text-align: center; position: relative; }
.close { position: absolute; top: 15px; right: 20px; font-size: 24px; cursor: pointer; }
.page-links { list-style: none; text-align: left; }
.page-links li { margin: 10px 0; }
.page-links a { color: #0044cc; text-decoration: none; font-weight: 500; }