/* ===========================
   CSS Variables & Base Styles
   =========================== */

:root {
    /* Wedding Color Palette */
    --primary-color: #004aad;
    --secondary-color: #f0f5fa;
    --accent-color: #004aad;
    --text-dark: #3a3a3a;
    --text-light: #6b6b6b;
    --white: #ffffff;
    --error-color: #c94949;
    --success-color: #4a8c6f;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Fonts */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f1f8 100%);
    min-height: 100vh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

body.rsvp-page {
    overflow-y: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--text-dark);
}

/* ===========================
   Save the Date Page Styles
   =========================== */

.save-the-date-page {
    background: linear-gradient(135deg, #f8fafc 0%, #e8f1f8 100%);
}

.envelope-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    perspective: 1500px;
}

.envelope {
    position: relative;
    width: 100%;
    padding-top: 62.5%; /* 5:8 ratio for envelope */
    transform-style: preserve-3d;
    cursor: pointer;
}

.envelope-back,
.envelope-body {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    border: 2px solid var(--primary-color);
}

.envelope-back {
    background: linear-gradient(135deg, #fafbfc 0%, #f0f5f9 100%);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

.envelope-body {
    z-index: 2;
    border-radius: 4px;
    background: linear-gradient(to bottom, #fafcfd 0%, #f2f7fb 100%);
}

.flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to bottom, #004aad 0%, #075cca 100%);
    transform-origin: top center;
    border: 2px solid var(--accent-color);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    z-index: 3;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.card {
    position: absolute;
    top: 5%;
    left: 50%;
    width: 90%;
    height: 85%;
    background: transparent;
    transform: translateX(-50%);
    box-shadow: none;
    z-index: 1;
    border-radius: 0;
    overflow: visible;
    transition: z-index 0s;
}

.card.pulling-out {
    z-index: 10;
}

.card-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    text-align: center;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    margin: 0;
    padding: 0;
}

.fallback-text {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    text-align: center;
}

.fallback-text.show {
    display: flex;
}

.fallback-text h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.fallback-text p {
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.fallback-text .instruction {
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--secondary-color);
    border-radius: 4px;
}

.fallback-text code {
    font-family: monospace;
    color: var(--accent-color);
    font-size: 0.8rem;
}

.click-instruction {
    text-align: center;
    margin-top: var(--spacing-lg);
    animation: pulse 2s ease-in-out infinite;
}

.click-instruction p {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--accent-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===========================
   RSVP Page Styles
   =========================== */

.rsvp-page {
    background: linear-gradient(135deg, #f8fafc 0%, #e8f1f8 100%);
}

.rsvp-wrapper {
    width: 100%;
    max-width: 600px;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.rsvp-wrapper h1 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.rsvp-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 1rem;
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input[type="text"] {
    width: 100%;
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 163, 115, 0.1);
}

/* Autocomplete Styles */
.autocomplete-wrapper {
    position: relative;
    width: 100%;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 4px 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    display: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.autocomplete-dropdown.active {
    display: block;
}

.autocomplete-item {
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border-bottom: 1px solid #f0f0f0;
}

.autocomplete-item:hover {
    background: var(--secondary-color);
    color: var(--text-dark);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.no-match {
    padding: 0.75rem;
    color: var(--text-light);
    font-style: italic;
    text-align: center;
}

/* Radio Button Styles */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.radio-label:hover {
    border-color: var(--primary-color);
    background: var(--secondary-color);
}

.radio-label input[type="radio"] {
    margin-right: var(--spacing-sm);
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.radio-label span {
    font-size: 1rem;
}

/* Submit Button */
.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-top: var(--spacing-sm);
}

.submit-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* Error Messages */
.error-message,
.form-error {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.form-error {
    padding: var(--spacing-sm);
    background: #ffe6e6;
    border-radius: 4px;
    border-left: 4px solid var(--error-color);
}

/* ===========================
   Thank You Page Styles
   =========================== */

.thankyou-page {
    background: linear-gradient(135deg, #f5f9fd 0%, #e6f0f9 100%);
}

.thankyou-wrapper {
    width: 100%;
    max-width: 600px;
    background: var(--white);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto var(--spacing-md);
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.thankyou-wrapper h1 {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: var(--spacing-xs);
}

.thankyou-wrapper .subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

.rsvp-details {
    background: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.rsvp-details h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--primary-color);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #e0d7c8;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 500;
    color: var(--text-dark);
}

.detail-value {
    color: var(--text-light);
    text-align: right;
}

.note {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* ===========================
   Responsive Design
   =========================== */

/* Mobile First - Base styles above are for mobile */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    .container {
        padding: var(--spacing-lg);
    }
    
    .rsvp-wrapper,
    .thankyou-wrapper {
        padding: var(--spacing-xl);
    }
    
    .fallback-text h1 {
        font-size: 3rem;
    }
    
    .radio-group {
        flex-direction: row;
        gap: var(--spacing-md);
    }
    
    .radio-label {
        flex: 1;
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .envelope-wrapper {
        max-width: 700px;
    }
    
    .rsvp-wrapper h1,
    .thankyou-wrapper h1 {
        font-size: 3.5rem;
    }
    
    .click-instruction p {
        font-size: 1.4rem;
    }
}

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
    .envelope-wrapper {
        max-width: 800px;
    }
}