@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Ethiopic:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-glow: rgba(79, 70, 229, 0.15);
    --border-color: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', 'Noto Sans Ethiopic', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 0% 0%, #1e1b4b 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, #312e81 0%, transparent 50%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.amharic {
    font-family: 'Noto Sans Ethiopic', sans-serif;
}

/* Glass Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Dashboard Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item h4 {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-item .value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-main);
    font-family: inherit;
    transition: border-color 0.2s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Login Page specifically */
.login-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    width: 100%;
    max-width: 400px;
}

/* Mobile Responsiveness */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    nav {
        flex-wrap: wrap;
        padding: 1rem;
    }
    .nav-links {
        display: none; 
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
        gap: 0.5rem;
        order: 3;
    }
    .nav-links.show {
        display: flex;
    }
    .user-info {
        display: none !important;
    }
    .container {
        padding: 1rem;
    }
    div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        width: 100%;
    }
    .card {
        padding: 1rem;
    }
}

/* Receipt Style */
.receipt {
    background: white;
    color: black;
    padding: 20px;
    width: 300px; /* Thermal printer width */
    margin: 0 auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
}

.receipt h2 {
    text-align: center;
    margin: 0;
    font-size: 16px;
}

.receipt-divider {
    border-top: 1px dashed #000;
    margin: 10px 0;
}