:root {
    /* Color Palette from Logo */
    --clr-bg: #010816;
    --clr-surface: #041021;
    --clr-primary: #00e5ff;
    --clr-primary-glow: rgba(0, 229, 255, 0.4);
    --clr-secondary: #0066ff;
    --clr-secondary-glow: rgba(0, 102, 255, 0.3);
    --clr-text: #f3f4f6;
    --clr-text-muted: #9ca3af;
    --clr-card-bg: rgba(255, 255, 255, 0.04);
    --clr-border: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Spacing & Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;

    /* Shadows & Effects */
    --shadow-main: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--clr-primary-glow);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

/* Base Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-main);
    background: var(--clr-bg);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 229, 255, 0.05) 0%, transparent 60%),
        radial-gradient(circle at 90% 80%, rgba(0, 102, 255, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--clr-text);
    line-height: 1.6;
    min-height: 100vh;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: var(--spacing-lg) var(--spacing-md); }
a { color: var(--clr-primary); text-decoration: none; transition: 0.3s cubic-bezier(0.19, 1, 0.22, 1); }
a:hover { color: var(--clr-text); filter: drop-shadow(0 0 8px var(--clr-primary-glow)); }

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(4, 16, 33, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-main);
}
.nav-left { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.5px; background: linear-gradient(135deg, #fff 0%, var(--clr-primary) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.user-email { font-weight: 400; color: var(--clr-text-muted); font-size: 0.9rem; margin-left: 10px; }
.nav-links { display: flex; gap: 24px; font-weight: 600; }
.nav-links a { color: var(--clr-text); opacity: 0.8; }
.nav-links a:hover { opacity: 1; color: var(--clr-primary); }
.admin-link { color: #c084fc !important; text-shadow: 0 0 10px rgba(192, 132, 252, 0.3); }

/* Forms & Inputs */
input, select, textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--clr-text);
    font-size: 1rem;
    margin-bottom: 8px;
    transition: 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}
input:focus {
    outline: none;
    border-color: var(--clr-primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 4px var(--clr-primary-glow);
}
label { display: block; margin: 16px 0 8px; color: var(--clr-text-muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Buttons */
button, .btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 0;
    background: var(--clr-primary);
    color: #000;
    cursor: pointer;
    font-weight: 800;
    font-family: inherit;
    transition: 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    box-shadow: var(--shadow-glow);
    text-align: center;
}
button:hover, .btn:hover {
    background: #fff;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 30px -10px var(--clr-primary-glow);
}
button:active { transform: translateY(-1px); }
button.secondary, .btn.secondary { 
    background: rgba(255,255,255,0.08); 
    color: #fff; 
    box-shadow: none; 
    border: 1px solid var(--clr-border); 
}
button.secondary:hover, .btn.secondary:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); }

/* Components */
.card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-main);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: ""; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }

/* Loyalty Card Rendering */
.loyalty-card {
    border-radius: var(--radius-xl);
    padding: 24px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 240px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.4);
    z-index: 1;
}
.loyalty-card:hover {
    transform: translateY(-12px) scale(1.03) rotateZ(1deg);
    box-shadow: 0 40px 60px -20px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255,255,255,0.1);
    border-color: rgba(255, 255, 255, 0.4);
}
.loyalty-card::after {
    content: ""; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: skewX(-25deg);
    transition: 0.75s;
}
.loyalty-card:hover::after { left: 150%; }

.card-chip {
    width: 50px; height: 38px;
    background: linear-gradient(135deg, #fce0a2 0%, #b47809 100%);
    border-radius: 8px; position: absolute; right: 30px; top: 50px;
    opacity: 0.9; box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.6);
    display: flex; flex-wrap: wrap; padding: 5px; gap: 3px;
}
.card-chip div { width: 12px; height: 8px; border: 1px solid rgba(0,0,0,0.1); border-radius: 1px; }

.card-logo-container {
    width: 64px; height: 64px; background: #fff; border-radius: 16px;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3); position: relative; z-index: 2;
}
.card-logo { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.card-placeholder { font-weight: 900; font-size: 2rem; color: #111; text-transform: uppercase; }

.card-title { font-weight: 700; font-size: 1.5rem; color: #fff; margin-top: 18px; text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5); z-index: 2; }
.card-barcode {
    font-family: 'Courier New', Courier, monospace; font-size: 1.1rem; letter-spacing: 2px;
    color: #fff; background: rgba(0, 0, 0, 0.4); padding: 8px 16px; border-radius: 12px;
    display: inline-block; margin-top: 12px; z-index: 2; backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1); font-weight: 700;
}

/* Utilities */
.muted { color: var(--clr-text-muted); font-size: 0.9rem; }
.danger { background: #ef4444; color: #fff; box-shadow: 0 10px 20px -5px rgba(239, 68, 68, 0.4); }
.danger:hover { background: #dc2626; box-shadow: 0 15px 25px -5px rgba(239, 68, 68, 0.6); }

.badge { padding: 4px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; }
.badge-admin { background: rgba(192, 132, 252, 0.15); color: #d8b4fe; border: 1px solid rgba(192, 132, 252, 0.3); }

/* Tables */
table { width: 100%; border-collapse: separate; border-spacing: 0 var(--spacing-xs); margin: 20px 0; }
th { padding: 16px; text-align: left; color: var(--clr-text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }
td { padding: 20px 16px; background: rgba(255, 255, 255, 0.02); border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); }
td:first-child { border-left: 1px solid var(--clr-border); border-top-left-radius: var(--radius-md); border-bottom-left-radius: var(--radius-md); }
td:last-child { border-right: 1px solid var(--clr-border); border-top-right-radius: var(--radius-md); border-bottom-right-radius: var(--radius-md); }

/* Auth Hero */
.auth-hero { text-align: center; margin-bottom: var(--spacing-lg); }
.auth-hero h1 { font-size: 3rem; font-weight: 800; letter-spacing: -2px; margin-bottom: 10px; }

/* Responsive */
@media(max-width: 768px) {
    .navbar { flex-direction: column; gap: 15px; }
    .grid { grid-template-columns: 1fr; }
    .wrap { padding: var(--spacing-md) var(--spacing-sm); }
}

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.loyalty-card { animation: fadeInUp 0.6s cubic-bezier(0.19, 1, 0.22, 1) both; }