@extends('admin.layouts.app')

@section('page-title', 'Add Customer')

@section('content')

<style>
/* === ZOOM-SAFE CSS VARIABLES === */
:root {
    /* Base sizing - 1rem = 16px at 100% zoom */
    --base-font-size: clamp(0.875rem, 0.75rem + 0.5vw, 1rem);
    --scale-factor: 1;
    
    /* Spacing system using rem */
    --space-xxs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Container padding - scales with viewport */
    --container-padding: clamp(1rem, 5vw, 2rem);
    
    /* Card dimensions */
    --card-border-radius: clamp(1rem, 1.5vw, 1.5rem);
    --card-padding: clamp(1rem, 2vw, 1.875rem);
    
    /* Form elements */
    --input-height: clamp(2.5rem, 3.5vw, 3.125rem);
    --input-padding: clamp(0.75rem, 1vw, 1rem);
    --input-border-width: clamp(1px, 0.125vw, 2px);
    
    /* Typography - fluid scales */
    --font-size-xs: clamp(0.75rem, 0.75rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.875rem + 0.25vw, 1rem);
    --font-size-base: var(--base-font-size);
    --font-size-lg: clamp(1.125rem, 1.125rem + 0.25vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 1.25rem + 0.5vw, 1.5rem);
    --font-size-xxl: clamp(1.5rem, 1.5rem + 0.75vw, 2rem);
    
    /* Gradients and colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --glass-bg: #ffffff;
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 12px 48px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* === BASE RESET FOR ZOOM SAFETY === */
html {
    font-size: 100%;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-size: var(--base-font-size);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* === CONTAINER SYSTEM === */
.container-fluid {
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    height:50%;
}

.container-fluid.py-4 {
    padding-top: clamp(1rem, 3vw, 1.5rem);
    padding-bottom: clamp(1rem, 3vw, 1.5rem);
}

/* === CARD SYSTEM === */
.card {
    background: var(--glass-bg);
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-strong);
    border: 1px solid #e4e6ef;
    animation: cardEntrance 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    width: 100%;
    min-width: 0;
    margin-bottom: var(--space-md);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(102, 126, 234, 0.03) 0%, 
        rgba(118, 75, 162, 0.03) 50%, 
        rgba(16, 185, 129, 0.03) 100%);
    pointer-events: none;
}

@keyframes cardEntrance {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Premium Card Header */
.card-header {
    background: var(--primary-gradient);
    color: white;
    border-bottom: none;
    padding: clamp(1.25rem, 2vw, 1.563rem) clamp(1.5rem, 2.5vw, 1.875rem);
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 50%, 
        transparent 100%);
    animation: headerShimmer 6s infinite linear;
    transform: rotate(45deg);
}

@keyframes headerShimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.card-header h4 {
    margin: 0;
    font-weight: 800;
    font-size: var(--font-size-xl);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-header h4::before {
    content: '✨';
    font-size: 1.3em;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.card-body {
    padding: var(--card-padding);
    background: #f8fafc;
    position: relative;
}

/* === FORM ELEMENTS === */
.form-label {
    font-weight: 700;
    color: #1e293b;
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    min-height: 1.5em;
}

.form-label::before {
    content: '';
    width: 0.1875rem;
    height: 0.875rem;
    background: var(--primary-gradient);
    border-radius: 2px;
    display: inline-block;
    flex-shrink: 0;
}

.form-control, .form-select {
    border: var(--input-border-width) solid #e2e8f0;
    border-radius: 0.75rem;
    padding: var(--input-padding);
    font-size: var(--font-size-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    min-height: var(--input-height);
    width: 100%;
    box-sizing: border-box;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 
        0 0 0 3px rgba(102, 126, 234, 0.15),
        0 6px 20px rgba(102, 126, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    background: #ffffff;
    transform: translateY(-2px);
    outline: none;
}

.form-control:hover, .form-select:hover {
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* === GRID SYSTEM ENHANCEMENTS === */
.row.g-3 {
    margin: calc(var(--space-sm) * -1);
    flex-wrap: wrap;
}

.row.g-3 > [class*="col-"] {
    padding: var(--space-sm);
    animation: formElementEntrance 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
    min-width: 0;
    box-sizing: border-box;
}

@keyframes formElementEntrance {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered Animation Delays */
.row.g-3 > [class*="col-"]:nth-child(1) { animation-delay: 0.1s; }
.row.g-3 > [class*="col-"]:nth-child(2) { animation-delay: 0.15s; }
.row.g-3 > [class*="col-"]:nth-child(3) { animation-delay: 0.2s; }
.row.g-3 > [class*="col-"]:nth-child(4) { animation-delay: 0.25s; }
.row.g-3 > [class*="col-"]:nth-child(5) { animation-delay: 0.3s; }
.row.g-3 > [class*="col-"]:nth-child(6) { animation-delay: 0.35s; }

/* === BUTTONS === */
.btn-success {
    background: var(--success-gradient);
    border: none;
    padding: clamp(0.875rem, 1.5vw, 0.875rem) clamp(1.5rem, 3vw, 2.188rem);
    border-radius: 0.75rem;
    color: white;
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    min-height: clamp(2.5rem, 4vw, 3rem);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    border: none;
}

.btn-success::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 0.5s ease;
}

.btn-success:hover::before {
    left: 100%;
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 30px rgba(16, 185, 129, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.btn-success:active {
    transform: translateY(-1px);
    transition: all 0.1s ease;
}

.btn-secondary {
    background: #64748b;
    border: none;
    padding: clamp(0.875rem, 1.5vw, 0.875rem) clamp(1.5rem, 3vw, 1.875rem);
    border-radius: 0.75rem;
    color: white;
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-soft);
    min-height: clamp(2.5rem, 4vw, 3rem);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.btn-secondary:hover {
    background: #475569;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Loading Animation */
.btn-success.loading {
    pointer-events: none;
    padding-right: clamp(3rem, 5vw, 3.125rem);
}

.btn-success.loading::after {
    content: '';
    position: absolute;
    right: clamp(1rem, 1.5vw, 1rem);
    top: 50%;
    width: clamp(1rem, 1.5vw, 1rem);
    height: clamp(1rem, 1.5vw, 1rem);
    margin-top: -0.5rem;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success message styles */
.success-message {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: var(--space-md);
    border-radius: 0.75rem;
    margin-bottom: var(--space-lg);
    animation: slideDown 0.5s ease-out;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-medium);
}

.success-message i {
    font-size: 1.5em;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === TEXTAREA === */
textarea.form-control {
    resize: vertical;
    min-height: clamp(6.25rem, 10vw, 6.25rem);
    line-height: 1.5;
    background: #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 100%;
    box-sizing: border-box;
}

textarea.form-control:focus {
    transform: translateY(-2px);
    box-shadow: 
        0 0 0 3px rgba(102, 126, 234, 0.15),
        0 8px 24px rgba(102, 126, 234, 0.15);
}

/* === SELECT ELEMENTS === */
.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right clamp(1rem, 1.5vw, 1rem) center;
    background-repeat: no-repeat;
    background-size: clamp(0.875rem, 1.5vw, 1rem);
    padding-right: clamp(2.5rem, 4vw, 2.813rem);
    cursor: pointer;
    appearance: none;
    min-width: 0;
}

/* === VALIDATION STATES === */
.form-control:valid {
    border-left: 2px solid #10b981;
}

.form-control:invalid:not(:focus):not(:placeholder-shown) {
    border-left: 2px solid #ef4444;
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}

/* === UTILITY CLASSES === */
.required-field::after {
    content: '*';
    color: #ef4444;
    margin-left: 0.25rem;
    font-weight: 800;
}

.input-hint {
    font-size: var(--font-size-xs);
    color: #64748b;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    line-height: 1.4;
}

.input-hint::before {
    content: '💡';
    font-size: 0.875em;
}

/* Success Animation */
@keyframes successPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.success-animation {
    animation: successPulse 0.5s ease-in-out;
}

/* === RESPONSIVE ADJUSTMENTS === */
@media (max-width: 768px) {
    :root {
        --card-padding: clamp(0.75rem, 3vw, 1rem);
        --container-padding: clamp(0.75rem, 3vw, 1rem);
    }
    
    .row.g-3 {
        margin: calc(var(--space-xs) * -1);
    }
    
    .row.g-3 > [class*="col-"] {
        padding: var(--space-xs);
    }
    
    .card-header {
        padding: var(--space-md) var(--space-lg);
    }
    
    .d-flex.flex-column.flex-md-row {
        flex-direction: column;
    }
    
    .btn-success,
    .btn-secondary {
        width: 100%;
        margin-bottom: var(--space-sm);
    }
    
    .btn-success {
        order: 1;
    }
    
    .btn-secondary {
        order: 2;
    }
}

@media (max-width: 576px) {
    :root {
        --base-font-size: 0.875rem;
        --input-height: 2.25rem;
        --space-sm: 0.5rem;
    }
    
    .card-header h4 {
        font-size: var(--font-size-lg);
        flex-wrap: wrap;
    }
    
    .form-label {
        font-size: var(--font-size-xs);
    }
    
    .card-body {
        padding: var(--space-md);
    }
}

@media (min-width: 769px) and (max-width: 992px) {
    :root {
        --card-padding: clamp(1.25rem, 2vw, 1.5rem);
    }
    
    .row.g-3 > [class*="col-md-6"] {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (min-width: 1200px) {
    :root {
        --container-padding: clamp(2rem, 5vw, 3rem);
    }
}

/* High DPI/Retina adjustments */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .form-control, .form-select {
        border-width: 1px;
    }
    
    .btn-success,
    .btn-secondary {
        border-width: 1px;
    }
}

/* === ACCESSIBILITY & PERFORMANCE === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visibility for keyboard navigation */
.form-control:focus-visible,
.form-select:focus-visible,
.btn-success:focus-visible,
.btn-secondary:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Prevent text size adjustment on orientation change */
html {
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
}

/* Ensure images/icons scale properly */
img, svg, i[class^="bi-"] {
    max-width: 100%;
    height: auto;
    display: inline-block;
    vertical-align: middle;
    font-size: 1em;
}

/* Icon sizing */
.bi {
    font-size: 1.1em;
    width: 1.1em;
    height: 1.1em;
}

/* === LAYOUT UTILITIES === */
.text-end {
    text-align: end;
}

.me-2 {
    margin-right: 0.5rem;
}

.me-3 {
    margin-right: 0.75rem;
}

.mt-4 {
    margin-top: var(--space-xl);
}

/* Fix for nested card container */
.card .card {
    margin: 0;
    box-shadow: none;
    border: none;
    background: transparent;
}

.card .card .card-header {
    border-radius: var(--card-border-radius) var(--card-border-radius) 0 0;
}

/* Ensure all inputs are properly sized */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    max-width: 100%;
    box-sizing: border-box;
}

/* Improve touch targets on mobile */
@media (hover: none) and (pointer: coarse) {
    .form-control,
    .form-select,
    .btn-success,
    .btn-secondary {
        min-height: clamp(3rem, 6vw, 3.5rem);
    }
    
    input,
    select,
    textarea {
        font-size: 16px;
    }
}

/* Print styles */
@media print {
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .btn-success,
    .btn-secondary {
        display: none;
    }
}
</style>

<div class="container-fluid py-4">
    <!-- Main card container -->
    <div class="card">
        <!-- Premium Card Header -->
        <div class="card-header">
            <h4>
                <i class="bi bi-person-plus-fill me-2"></i>
                Add New Customer
            </h4>
        </div>

        <!-- Card Body -->
        <div class="card-body">
            <!-- Success Message (hidden by default) -->
            <div id="successMessage" class="success-message" style="display: none;">
                <i class="bi bi-check-circle-fill"></i>
                <div>
                    <strong>Customer added successfully!</strong>
                    <p class="mb-0">Redirecting to customers list...</p>
                </div>
            </div>

            <!-- Error Message (hidden by default) -->
            <div id="errorMessage" class="alert alert-danger" style="display: none;">
                <i class="bi bi-exclamation-circle-fill me-2"></i>
                <span id="errorText"></span>
            </div>

            <form action="{{ route('admin.customers.store') }}" method="POST" id="customerForm">
                @csrf

                <div class="row g-3">
                    <!-- Customer Name -->
                    <div class="col-12 col-md-6">
                        <label for="customer_name" class="form-label required-field">Customer Name</label>
                        <input type="text" 
                               id="customer_name"
                               name="customer_name" 
                               class="form-control" 
                               placeholder="Enter full name"
                               required
                               pattern="[A-Za-z\s]{2,}"
                               aria-label="Customer Name"
                               aria-describedby="customerNameHint"
                               value="{{ old('customer_name') }}">
                        <div id="customerNameHint" class="input-hint">Minimum 2 characters, letters only</div>
                        @error('customer_name')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Company Name -->
                    <div class="col-12 col-md-6">
                        <label for="company_name" class="form-label">Company Name</label>
                        <input type="text" 
                               id="company_name"
                               name="company_name" 
                               class="form-control" 
                               placeholder="Enter company name"
                               aria-label="Company Name"
                               value="{{ old('company_name') }}">
                        @error('company_name')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Designation -->
                    <div class="col-12 col-md-6">
                        <label for="designation" class="form-label">Designation</label>
                        <input type="text" 
                               id="designation"
                               name="designation" 
                               class="form-control" 
                               placeholder="Enter job title"
                               aria-label="Designation"
                               value="{{ old('designation') }}">
                        @error('designation')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Email -->
                    <div class="col-12 col-md-6">
                        <label for="email" class="form-label required-field">Email Address</label>
                        <input type="email" 
                               id="email"
                               name="email" 
                               class="form-control" 
                               placeholder="Enter email address"
                               required
                               pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,}$"
                               aria-label="Email Address"
                               aria-describedby="emailHint"
                               value="{{ old('email') }}">
                        <div id="emailHint" class="input-hint">Valid email format required</div>
                        @error('email')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Mobile -->
                    <div class="col-12 col-md-6">
                        <label for="mobile_no" class="form-label required-field">Mobile Number</label>
                        <input type="tel" 
                               id="mobile_no"
                               name="mobile_no" 
                               class="form-control" 
                               placeholder="Enter mobile number"
                               required
                               pattern="[0-9]{10}"
                               aria-label="Mobile Number"
                               aria-describedby="mobileHint"
                               value="{{ old('mobile_no') }}">
                        <div id="mobileHint" class="input-hint">10 digits without spaces</div>
                        @error('mobile_no')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Pincode -->
                    <div class="col-12 col-md-6">
                        <label for="pincode" class="form-label">Pincode</label>
                        <input type="text" 
                               id="pincode"
                               name="pincode" 
                               class="form-control" 
                               placeholder="Enter pincode"
                               pattern="[0-9]{6}"
                               aria-label="Pincode"
                               aria-describedby="pincodeHint"
                               value="{{ old('pincode') }}">
                        <div id="pincodeHint" class="input-hint">6-digit pincode</div>
                        @error('pincode')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Address -->
                    <div class="col-12">
                        <label for="address" class="form-label">Address</label>
                        <textarea id="address"
                                  name="address" 
                                  class="form-control" 
                                  rows="3" 
                                  placeholder="Enter complete address"
                                  aria-label="Address">{{ old('address') }}</textarea>
                        @error('address')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Customer Type -->
                    <div class="col-12 col-md-6">
                        <label for="customer_type" class="form-label required-field">Customer Type</label>
                        <select id="customer_type" 
                                name="customer_type" 
                                class="form-select" 
                                required 
                                aria-label="Customer Type"
                                aria-describedby="customerTypeHint">
                            <option value="">Select type</option>
                            <option value="regular" {{ old('customer_type') == 'regular' ? 'selected' : '' }}>Regular</option>
                            <option value="premium" {{ old('customer_type') == 'premium' ? 'selected' : '' }}>Premium</option>
                        </select>
                        <div id="customerTypeHint" class="input-hint">Premium customers get special benefits</div>
                        @error('customer_type')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Status -->
                    <div class="col-12 col-md-6">
                        <label for="status" class="form-label required-field">Status</label>
                        <select id="status" 
                                name="status" 
                                class="form-select" 
                                required 
                                aria-label="Status"
                                aria-describedby="statusHint">
                            <option value="">Select status</option>
                            <option value="active" {{ old('status') == 'active' ? 'selected' : '' }}>Active</option>
                            <option value="inactive" {{ old('status') == 'inactive' ? 'selected' : '' }}>Inactive</option>
                        </select>
                        <div id="statusHint" class="input-hint">Active customers can place orders</div>
                        @error('status')
                            <div class="text-danger mt-1">{{ $message }}</div>
                        @enderror
                    </div>
                </div>

                <!-- Form Actions -->
                <div class="d-flex flex-column flex-md-row justify-content-md-end align-items-stretch align-items-md-center gap-2 gap-md-3 mt-4">
                    <a href="{{ route('admin.customers.index') }}" class="btn btn-secondary">
                        <i class="bi bi-arrow-left me-2"></i>
                        Cancel
                    </a>
                    <button type="submit" class="btn-success" id="submitBtn">
                        <i class="bi bi-person-plus me-2"></i>
                        Create Customer
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const form = document.getElementById('customerForm');
    const submitBtn = document.getElementById('submitBtn');
    const successMessage = document.getElementById('successMessage');
    const errorMessage = document.getElementById('errorMessage');
    const errorText = document.getElementById('errorText');
    
    // Store original button content
    const originalBtnContent = submitBtn.innerHTML;

    // Form submission handler
    form.addEventListener('submit', function(e) {
        // Add loading state
        submitBtn.classList.add('loading');
        submitBtn.innerHTML = '<i class="bi bi-hourglass-split me-2"></i>Creating...';
        
        // Simulate form processing
        setTimeout(() => {
            submitBtn.classList.remove('loading');
            submitBtn.classList.add('success-animation');
            submitBtn.innerHTML = '<i class="bi bi-check-circle me-2"></i>Customer Created!';
            
            setTimeout(() => {
                submitBtn.classList.remove('success-animation');
                submitBtn.innerHTML = '<i class="bi bi-person-plus me-2"></i>Create Customer';
            }, 1500);
        }, 1000);
    });
    // Traditional form submission fallback (if JavaScript fails)
    form.setAttribute('onsubmit', 'return validateFormOnSubmit()');

    function validateForm() {
        let isValid = true;
        const requiredFields = form.querySelectorAll('[required]');
        
        // Clear previous error highlights
        form.querySelectorAll('.is-invalid').forEach(el => {
            el.classList.remove('is-invalid');
        });
        
        // Validate each required field
        requiredFields.forEach(field => {
            if (!field.value.trim()) {
                field.classList.add('is-invalid');
                isValid = false;
            } else if (field.type === 'email' && !validateEmail(field.value)) {
                field.classList.add('is-invalid');
                isValid = false;
            } else if (field.pattern && !new RegExp(field.pattern).test(field.value)) {
                field.classList.add('is-invalid');
                isValid = false;
            }
        });
        
        return isValid;
    }

    function validateEmail(email) {
        const re = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
        return re.test(email);
    }

    function resetSubmitButton() {
        submitBtn.classList.remove('loading');
        submitBtn.innerHTML = originalBtnContent;
        submitBtn.disabled = false;
    }

    // Real-time validation with improved UX
    const inputs = form.querySelectorAll('input[required], select[required]');
    inputs.forEach(input => {
        input.addEventListener('blur', function() {
            validateField(this);
        });
        
        input.addEventListener('input', function() {
            // Remove validation styling while user is typing
            if (this.value) {
                this.classList.remove('is-invalid');
                this.style.borderLeft = '';
            }
        });
    });

    function validateField(field) {
        const hint = field.nextElementSibling?.nextElementSibling;
        
        if (field.value.trim() === '') {
            field.classList.add('is-invalid');
            field.style.borderLeft = '2px solid #ef4444';
            if (hint && hint.classList.contains('input-hint')) {
                hint.innerHTML = `<span class="text-danger">❌ This field is required</span>`;
            }
        } else if (field.checkValidity()) {
            field.classList.remove('is-invalid');
            field.style.borderLeft = '2px solid #10b981';
            if (hint && hint.classList.contains('input-hint')) {
                hint.innerHTML = hint.getAttribute('data-original-hint') || hint.innerHTML;
            }
        } else {
            field.classList.add('is-invalid');
            field.style.borderLeft = '2px solid #ef4444';
            if (hint && hint.classList.contains('input-hint')) {
                const errorMsg = getErrorMessage(field);
                hint.innerHTML = `<span class="text-danger">❌ ${errorMsg}</span>`;
            }
        }
    }

    function getErrorMessage(field) {
        if (field.type === 'email') {
            return 'Please enter a valid email address';
        }
        if (field.pattern === '[0-9]{10}') {
            return 'Please enter 10 digits only';
        }
        if (field.pattern === '[A-Za-z\\s]{2,}') {
            return 'Minimum 2 letters, no numbers or special characters';
        }
        return 'Please check this field';
    }

    // Store original hint text
    document.querySelectorAll('.input-hint').forEach(hint => {
        hint.setAttribute('data-original-hint', hint.innerHTML);
    });

    // Enhanced input interactions
    const formControls = form.querySelectorAll('.form-control, .form-select');
    formControls.forEach(control => {
        control.addEventListener('focus', function() {
            this.style.transform = 'translateY(-2px)';
            this.parentElement.style.zIndex = '1';
        });
        
        control.addEventListener('blur', function() {
            this.style.transform = 'translateY(0)';
            this.parentElement.style.zIndex = '0';
        });
    });
    
    // Auto-format mobile number
    const mobileInput = document.getElementById('mobile_no');
    if (mobileInput) {
        mobileInput.addEventListener('input', function(e) {
            let value = e.target.value.replace(/\D/g, '');
            if (value.length > 10) {
                value = value.substring(0, 10);
            }
            e.target.value = value;
        });
    }

    // Auto-format pincode
    const pincodeInput = document.getElementById('pincode');
    if (pincodeInput) {
        pincodeInput.addEventListener('input', function(e) {
            let value = e.target.value.replace(/\D/g, '');
            if (value.length > 6) {
                value = value.substring(0, 6);
            }
            e.target.value = value;
        });
    }

    // Handle zoom level detection and adjustment
    function checkZoomLevel() {
        const visualViewport = window.visualViewport || window;
        const layoutViewport = window;
        
        // Calculate zoom level (approximate)
        const zoom = Math.round((visualViewport.width / layoutViewport.innerWidth) * 100);
        
        // Adjust spacing for different zoom levels
        const root = document.documentElement;
        
        if (zoom > 110) {
            // High zoom - reduce spacing
            root.style.setProperty('--space-sm', '0.5rem');
            root.style.setProperty('--input-padding', '0.5rem');
            root.style.setProperty('--card-padding', '1rem');
        } else if (zoom < 80) {
            // Low zoom - increase spacing
            root.style.setProperty('--space-sm', '1rem');
            root.style.setProperty('--input-padding', '1rem');
            root.style.setProperty('--card-padding', '1.5rem');
        } else {
            // Normal zoom - reset to defaults
            root.style.setProperty('--space-sm', '0.75rem');
            root.style.setProperty('--input-padding', 'clamp(0.75rem, 1vw, 1rem)');
            root.style.setProperty('--card-padding', 'clamp(1rem, 2vw, 1.875rem)');
        }
    }
    
    // Initial check
    checkZoomLevel();
    
    // Check on resize and zoom
    window.addEventListener('resize', checkZoomLevel);
    if (window.visualViewport) {
        window.visualViewport.addEventListener('resize', checkZoomLevel);
    }
});

// Global validation function for traditional form submission
function validateFormOnSubmit() {
    const form = document.getElementById('customerForm');
    const requiredFields = form.querySelectorAll('[required]');
    let isValid = true;
    
    requiredFields.forEach(field => {
        if (!field.value.trim()) {
            field.classList.add('is-invalid');
            isValid = false;
        }
    });
    
    return isValid;
}
</script>

@endsection