:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.75);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary: #38bdf8;
    --accent: #2dd4bf;
    --error: #f43f5e;
    --success: #10b981;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height:1.5;
    padding-bottom: 80px;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.container { padding: 20px; max-width: 600px; margin: 0 auto; }

header {
    padding: 20px 24px;
    background: rgba(15, 23, 42, 0.9);
    position: sticky; top: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.dash-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { padding: 18px; text-align: left; }
.stat-card .value { font-size: 24px; font-weight: 800; }
.stat-card .label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; }

.customer-item {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 18px;
    margin-bottom: 12px;
    display: flex; justify-content: space-between; align-items: center;
}

input, select, button {
    width: 100%; padding: 14px; margin-bottom: 16px;
    border-radius: 12px; border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.04); color: #fff; font-size: 15px;
}

label {
    display: block; font-size: 11px; font-weight: 700;
    color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase;
}

button {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #0f172a; font-weight: 800; border: none; cursor: pointer;
}

.status-badge { padding: 4px 10px; border-radius: 8px; font-size: 10px; font-weight: 700; }
.status-ACTIVE { background: #10b98125; color: #10b981; }
.status-UNPAID { background: #f59e0b25; color: #f59e0b; }

.bottom-nav {
    position: fixed; bottom: 0; left: 0; width: 100%;
    background: rgba(15, 23, 42, 0.96); backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    display: flex; justify-content: space-around; padding: 12px 10px 24px; z-index: 1000;
}

.nav-item {
    text-decoration: none; color: var(--text-secondary);
    display: flex; flex-direction: column; align-items: center; font-size: 10px; gap: 4px;
}

.nav-item.active { color: var(--primary); }
.nav-item i { font-size: 18px; }

.auth-card {
    max-width: 400px; padding: 40px; margin: 100px auto; text-align: center;
}

.animate-fade {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.sms-btn { width: auto; padding: 8px 12px; font-size: 11px; margin: 0; }