/* style.css - Professional Optical Theme */
:root {
    --app-bg: #f0fdf4;       /* Light Green Background */
    --header-bg: #2d2d2d;
    --primary: #2563eb;
    --border: #bfdbfe;
    --input-border: #ced4da;
    --top-bar-height: 54px;
    --menu-height: 48px;
}

body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--app-bg);
    font-size: 13px; /* Compact font for high density */
}

/* Header */
.top-header {
    background: #333;
    color: white;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Main Container */
.billing-container {
    padding: 10px;
    max-width: 100%;
}

/* Section 1: Customer Info Box */
.cust-info-box {
    background: #dcfce7; /* Green tint */
    border: 1px solid #86efac;
    padding: 15px;
    border-radius: 4px;
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 Columns */
    gap: 10px;
    margin-bottom: 15px;
}

.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 3px; font-weight: 600; color: #374151; font-size: 11px; }
.form-group input, .form-group select, .form-group textarea {
    padding: 5px;
    border: 1px solid #aaa;
    border-radius: 3px;
    font-size: 12px;
}
.full-width { grid-column: span 4; } /* Notes takes full width */

/* Section 2: Product Table */
.product-table-container {
    overflow-x: auto;
    background: white;
    border: 1px solid #ccc;
    margin-bottom: 15px;
}

table { width: 100%; border-collapse: collapse; min-width: 1000px; }
th {
    background: #374151;
    color: white;
    padding: 6px;
    text-align: left;
    font-size: 11px;
    border-right: 1px solid #555;
}
td { border: 1px solid #ddd; padding: 2px; }
td input, td select {
    width: 100%;
    border: none;
    padding: 5px;
    box-sizing: border-box;
    outline: none;
    font-size: 12px;
}
tr:nth-child(even) { background-color: #f9fafb; }

/* Section 3: Bottom Totals */
.bottom-section {
    display: flex;
    justify-content: space-between;
    background: #dcfce7;
    padding: 20px;
    border: 1px solid #86efac;
}

.big-pending {
    font-size: 24px;
    font-weight: bold;
    color: #166534;
    padding-top: 20px;
}

.totals-grid {
    display: grid;
    grid-template-columns: 140px 150px;
    gap: 5px;
    align-items: center;
}
.totals-grid label { text-align: right; font-weight: bold; font-size: 12px; padding-right: 10px; }
.totals-grid input { text-align: right; font-weight: bold; }

/* Buttons */
.action-buttons {
    text-align: right;
    margin-top: 15px;
    padding-bottom: 20px;
}
.btn {
    padding: 10px 20px;
    border: none;
    color: white;
    cursor: pointer;
    font-weight: bold;
    border-radius: 4px;
    margin-left: 10px;
}
.btn-blue { background: #2563eb; }
.btn-green { background: #16a34a; }
/* Add to style.css */
.totals-grid-advanced {
    display: grid;
    grid-template-columns: 140px 180px; /* Wider labels */
    gap: 8px;
    align-items: center;
}
.totals-grid-advanced label {
    text-align: right;
    font-size: 11px;
    font-weight: bold;
    color: #444;
}
.totals-grid-advanced input {
    text-align: right;
    font-weight: bold;
    padding: 4px;
}
.btn-small {
    background: #eee;
    border: 1px solid #ccc;
    cursor: pointer;
    margin: 5px;
    padding: 5px 10px;
}
/* --- GLOBAL NAVIGATION STYLES (Add to style.css) --- */

/* 1. Top Bar & Colorful Icons */
.top-bar {
    background: #222;
    height: var(--top-bar-height);
    min-height: var(--top-bar-height);
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    color: white;
    padding: 0;
    box-sizing: border-box;
}

.nav-icons { 
    display: flex; 
    align-items: stretch;
    height: 100%;
    min-width: 0;
}

/* FIX: Forces link wrappers to fill the height properly so boxes align perfectly */
.nav-icons a { 
    display: flex; 
    align-items: stretch;
    height: 100%;
    flex: 0 0 auto;
    text-decoration: none; 
}

.nav-icon {
    width: 52px;
    min-width: 52px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s;
    color: white;
    box-sizing: border-box;
    touch-action: manipulation;
}

/* FIX: Forces all FontAwesome icons to be the exact same size and centered */
.nav-icon i {
    font-size: 19px !important; 
    line-height: 1;
}

.nav-icon:hover { opacity: 0.8; }

/* Brand logo container layout */
.brand-logo-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    background-color: #000;
    height: 100%;
    min-width: 220px;
    padding: 0 18px;
    text-decoration: none;
    color: #ffffff;
    box-sizing: border-box;
    flex: 0 0 auto;
    overflow: hidden;
}

.brand-logo-container:hover { color: #e0e0e0; }

.brand-logo-img {
    display: block;
    max-width: 44px;
    max-height: 28px;
    width: auto;
    height: auto;
    object-fit: contain;
    flex: 0 0 auto;
}

.brand-name {
    font-size: 17px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.35px;
    line-height: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

@media (max-width: 1024px) {
    .brand-logo-container {
        min-width: 180px;
        padding: 0 14px;
    }
    .brand-name {
        max-width: 160px;
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    .brand-logo-container {
        min-width: 146px;
        justify-content: flex-start;
        gap: 8px;
        padding: 0 10px;
    }
    .brand-logo-img {
        max-width: 30px;
        max-height: 22px;
    }
    .brand-name {
        display: block;
        max-width: 92px;
        font-size: 12px;
        line-height: 1.05;
        white-space: normal;
    }
    .nav-icon {
        width: 46px;
        min-width: 46px;
    }
    .user-info {
        min-width: 132px;
        padding: 0 10px 0 8px;
    }
}

/* Icon Background Colors */
.bg-black { background: #000; }
.bg-green { background: #8bc34a; }
.bg-blue { background: #03a9f4; }
.bg-orange { background: #ff9800; }
.bg-purple { background: #9c27b0; }
.bg-red { background: #f44336; }
.bg-yellow { background: #ffeb3b; color: black; }

.user-info {
    min-width: 176px;
    padding: 0 18px 0 12px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    text-align: right;
    font-size: 11px;
    color: white;
    line-height: 1.2;
    box-sizing: border-box;
    flex: 0 0 auto;
}

.user-info strong {
    font-size: 12px;
}

/* 2. Main Dropdown Menu */
.main-menu {
    background: white;
    border-bottom: 1px solid #ccc;
    padding: 0 16px;
    display: flex;
    gap: clamp(14px, 1.8vw, 24px);
    font-weight: 600;
    color: #444;
    font-size: 12px;
    min-height: var(--menu-height);
    height: var(--menu-height);
    align-items: center;
    overflow: visible;
    white-space: nowrap;
    position: relative;
    z-index: 1000; /* High z-index to sit on top of other elements */
    box-sizing: border-box;
}

.menu-item { 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
    cursor: pointer; 
    height: 100%; 
    position: relative;
    padding: 0 4px;
    flex: 0 0 auto;
    white-space: nowrap;
}
.menu-item:hover { color: #0288d1; }

.menu-item > i:first-child {
    font-size: 13px;
}

/* Dropdown Content */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #444; 
    min-width: 210px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 999;
    top: 40px;
    left: 0;
    text-align: left;
}
.dropdown-content a {
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    font-size: 12px;
    border-bottom: 1px solid #555;
    font-weight: normal;
}
.dropdown-content a:hover { background-color: #03a9f4; }
.menu-item:hover .dropdown-content { display: block; }

@media (max-width: 640px) {
    .top-bar {
        height: auto;
        min-height: 0;
        flex-wrap: wrap;
    }

    .nav-icons {
        width: 100%;
        min-height: var(--top-bar-height);
    }

    .user-info {
        width: 100%;
        min-width: 0;
        padding: 8px 12px;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        border-top: 1px solid rgba(255,255,255,0.08);
    }

    .main-menu {
        height: auto;
        min-height: 0;
        padding: 8px 10px;
        gap: 10px 14px;
        flex-wrap: wrap;
        white-space: normal;
    }

    .menu-item {
        min-height: 32px;
    }

    .dropdown-content {
        top: calc(100% - 2px);
    }
}
/* Google-Like Search Dropdown */
.google-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #0288d1;
    border-top: none;
    z-index: 10000; /* Increased to stay above modals */
    max-height: 200px;
    overflow-y: auto;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    display: none;
    border-radius: 0 0 4px 4px;
}

.suggestion-item {
    padding: 8px 10px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
    font-size: 12px;
    color: #333;
}
.suggestion-item:hover { background-color: #e1f5fe; color: #01579b; }

.suggestion-item.active { background-color: #e1f5fe; color: #01579b; }

/* Action Grid Buttons */
.action-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}
.act-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
}
.act-btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
    color: #fff;
}
.ic-blue { background: #3b82f6; }
.ic-whatsapp { background: #22c55e; }
.ic-check { background: #16a34a; }
.ic-edit { background: #f59e0b; }
.ic-rupee { background: #8b5cf6; }
.ic-print { background: #6366f1; }
.ic-eye { background: #06b6d4; }
.ic-delete { background: #ef4444; }