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

:root {
    --primary: #1e293b;
    --primary-light: #334155;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #ffffff;
    --text-muted: #cbd5e1;
    --error: #ef4444;
    --bg-glass: rgba(15, 23, 42, 0.85);
    --border-glass: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: #000;
}

/* Background Image Layer */
.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("https://offertabs.s3.amazonaws.com/offer/f9hxq4/site/media/6adf5f02a434d4.43548850.jpg");
    background-size: cover;
    background-position: center;
    z-index: -2;
}

/* Overlay to ensure readability */
.bg-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(15,23,42,0.6) 100%);
    z-index: -1;
}

/* Layout */
.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

/* Glassmorphism Card */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
}

.card-header {
    text-align: center;
    margin-bottom: 2rem;
}

.card-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.card-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Forms */
.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.required {
    color: var(--error);
    margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"] {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 0.75rem 1.25rem;
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
}

/* Success Card & Sharing */
.text-center {
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: #10b981;
}

.divider {
    height: 1px;
    background: var(--border-glass);
    margin: 2rem 0;
}

.share-box {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.share-box input {
    flex: 1;
}

/* Messages */
.error-alert {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-align: center;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card-header h1 {
        font-size: 1.75rem;
    }
}