/* public/css/style.css */
:root {
    --primary: #4f46e5;
    /* Indigo 600 */
    --primary-dark: #4338ca;
    --secondary: #ec4899;
    /* Pink 500 */
    --surface: #ffffff;
    --background: #f3f4f6;
    /* Gray 100 */
    --text-main: #111827;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --success: #10b981;
    --danger: #ef4444;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --font-heading: 'Outfit', 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
    padding-bottom: 90px;
    /* Space for bottom nav */
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
}

/* Utilities */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.block {
    display: block;
}

.w-full {
    width: 100%;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.font-bold {
    font-weight: 700;
}

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

.text-danger {
    color: var(--danger);
}

.text-success {
    color: var(--success);
}

.text-muted {
    color: var(--text-muted);
}

/* Glassmorphism & Cards */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* Gradients */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Components */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-size: 1rem;
}

.btn:active {
    transform: scale(0.96);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

/* Form Elements */
.input-group {
    margin-bottom: 1rem;
}

.input-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: #f9fafb;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Header (Top) */
.app-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

/* Bottom Navigation (Mobile) */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0.5rem 0;
    z-index: 100;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.05);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.5rem;
    width: 100%;
    border-radius: 8px;
}

.nav-item svg {
    margin-bottom: 4px;
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

.nav-item.active {
    color: var(--primary);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Desktop Nav (Hidden on Mobile) */
@media (min-width: 768px) {
    .bottom-nav {
        display: none;
    }

    .container {
        max-width: 900px;
    }
}

/* Print Styles for Receipts */
@media print {
    body {
        background: white;
        color: black;
        padding: 0;
    }

    .app-header,
    .bottom-nav,
    .btn,
    .no-print {
        display: none !important;
    }

    .container {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .receipt-header {
        text-align: center;
        margin-bottom: 2rem;
        border-bottom: 2px solid #000;
        padding-bottom: 1rem;
    }

    .receipt-active {
        display: block !important;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: white;
        z-index: 9999;
        padding: 2rem;
    }

    /* Hide everything else when printing receipt */
    body.printing * {
        visibility: hidden;
    }

    body.printing .receipt-active,
    body.printing .receipt-active * {
        visibility: visible;
    }
}