/* --- Root Variables & Design System --- */
:root {
    --bg-pink-light: hsl(340, 100%, 97%);
    --bg-pink-dark: hsl(330, 80%, 92%);
    --accent-gold-light: hsl(45, 90%, 75%);
    --accent-gold-dark: hsl(38, 70%, 48%);
    --text-royal: hsl(335, 60%, 25%);
    --text-dark: hsl(335, 40%, 15%);
    --text-gold: hsl(41, 60%, 38%);
    --white: #ffffff;
    
    --font-royal: 'Cinzel', serif;
    --font-script: 'Pinyon Script', cursive;
    --font-body: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
    
    --gold-gradient: linear-gradient(135deg, #f3e5ab 0%, #d4af37 40%, #aa7c11 70%, #d4af37 100%);
    --pink-gradient: linear-gradient(180deg, var(--bg-pink-light) 0%, var(--bg-pink-dark) 100%);
    --soft-shadow: 0 10px 30px rgba(220, 160, 180, 0.2);
    --gold-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    --border-radius-lg: 20px;
    --border-radius-sm: 8px;
}

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

body {
    background: var(--pink-gradient);
    font-family: var(--font-body);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* --- Background Sparkle Canvas --- */
#sparkle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* --- Music & Admin Controls --- */
.music-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.85);
    border: 1.5px solid var(--accent-gold-dark);
    border-radius: 30px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-royal);
    cursor: pointer;
    z-index: 100;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    box-shadow: var(--soft-shadow);
}

.music-btn:hover {
    background: var(--gold-gradient);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--gold-shadow);
}

.music-btn.playing .music-icon {
    animation: spin 3s linear infinite;
}

.admin-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.85);
    border: 1.5px solid var(--accent-gold-dark);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: none;
    justify-content: center;
    align-items: center;
    color: var(--text-royal);
    cursor: pointer;
    z-index: 100;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    box-shadow: var(--soft-shadow);
}

.admin-btn.visible {
    display: flex;
}

.admin-btn:hover {
    background: var(--gold-gradient);
    color: var(--white);
    transform: rotate(45deg) scale(1.05);
}

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

/* --- Application Container --- */
.app-container {
    width: 100%;
    max-width: 600px;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* --- ENVELOPE STYLES --- */
.envelope-wrapper {
    width: 100%;
    max-width: 440px;
    perspective: 1000px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    transition: all 1s ease;
}

.envelope-wrapper.fade-out {
    opacity: 0;
    transform: scale(0.9) translateY(-100px);
    pointer-events: none;
    position: absolute;
}

.envelope {
    position: relative;
    width: 100%;
    height: 300px;
    background: hsl(330, 60%, 88%);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
}

/* Envelope Flaps & Compartments */
.envelope-back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: hsl(330, 55%, 85%);
    border-radius: var(--border-radius-sm);
}

.envelope-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 220px solid transparent;
    border-right: 220px solid transparent;
    border-top: 150px solid hsl(330, 65%, 83%);
    transform-origin: top center;
    transition: transform 0.6s ease-in-out;
    z-index: 4;
}

/* Make sure borders stay responsive */
@media(max-width: 480px) {
    .envelope-top {
        border-left-width: calc((100vw - 40px) / 2);
        border-right-width: calc((100vw - 40px) / 2);
        border-top-width: 135px;
    }
}

.envelope-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 220px solid transparent;
    border-right: 220px solid transparent;
    border-bottom: 155px solid hsl(330, 50%, 82%);
    z-index: 3;
}

@media(max-width: 480px) {
    .envelope-bottom {
        border-left-width: calc((100vw - 40px) / 2);
        border-right-width: calc((100vw - 40px) / 2);
        border-bottom-width: 140px;
    }
}

.envelope-left {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 170px solid hsl(330, 52%, 80%);
    border-top: 150px solid transparent;
    border-bottom: 150px solid transparent;
    z-index: 3;
}

@media(max-width: 480px) {
    .envelope-left {
        border-left-width: calc((100vw - 40px) * 0.4);
        border-top-width: 150px;
        border-bottom-width: 150px;
    }
}

.envelope-right {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-right: 170px solid hsl(330, 52%, 80%);
    border-top: 150px solid transparent;
    border-bottom: 150px solid transparent;
    z-index: 3;
}

@media(max-width: 480px) {
    .envelope-right {
        border-right-width: calc((100vw - 40px) * 0.4);
        border-top-width: 150px;
        border-bottom-width: 150px;
    }
}

/* Inner letter preview inside envelope */
.envelope-paper {
    position: absolute;
    width: 90%;
    height: 85%;
    background: var(--white);
    left: 5%;
    top: 10%;
    z-index: 2;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    justify-content: center;
    align-items: center;
}

.mini-card {
    text-align: center;
    border: 1px solid var(--accent-gold-light);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

.mini-crown {
    font-size: 24px;
    margin-bottom: 5px;
}

.mini-card h2 {
    font-family: var(--font-royal);
    font-size: 16px;
    color: var(--text-royal);
    margin-bottom: 5px;
}

.mini-card p {
    font-family: var(--font-script);
    font-size: 20px;
    color: var(--text-gold);
}

/* Wax Seal */
.wax-seal {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -20%) scale(1);
    width: 70px;
    height: 70px;
    cursor: pointer;
    z-index: 5;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wax-seal:hover {
    transform: translate(-50%, -20%) scale(1.15);
    filter: drop-shadow(0 5px 15px rgba(212, 175, 55, 0.6));
}

.seal-outer {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, #e6b800 0%, #aa7c11 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 2px 5px rgba(255, 255, 255, 0.4), 0 4px 10px rgba(0, 0, 0, 0.2);
    position: relative;
}

/* Wax drips effect */
.seal-outer::before {
    content: '';
    position: absolute;
    width: 105%;
    height: 105%;
    border-radius: 40% 60% 55% 45% / 45% 55% 60% 40%;
    border: 3px double #d4af37;
    pointer-events: none;
}

.seal-inner {
    width: 75%;
    height: 75%;
    background: radial-gradient(circle, #ffe680 0%, #aa7c11 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.seal-monogram {
    font-family: var(--font-royal);
    font-size: 28px;
    font-weight: 700;
    color: #4a3308;
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.4);
}

/* Open Envelope States */
.envelope.open .envelope-top {
    transform: rotateX(180deg);
    z-index: 1; /* Send flap to back */
}

.envelope.open .envelope-paper {
    transform: translateY(-130px) scale(1.05);
    z-index: 3;
}

.envelope.open .wax-seal {
    transform: translate(-50%, 40%) scale(0);
    opacity: 0;
    pointer-events: none;
}

/* Envelope Hint & Text */
.envelope-hint {
    text-align: center;
    color: var(--text-royal);
    animation: pulse 2s infinite ease-in-out;
}

.envelope-hint p {
    font-family: var(--font-royal);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.hint-sub {
    font-family: var(--font-sans);
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-gold);
    letter-spacing: 1px;
}

@keyframes pulse {
    0%, 100% { transform: translateY(0); opacity: 0.8; }
    50% { transform: translateY(-4px); opacity: 1; }
}


/* --- INVITATION CARD --- */
.invite-card {
    width: 100%;
    background: linear-gradient(135deg, #fffcfd 0%, #fff0f3 50%, #ffeef2 100%);
    box-shadow: 0 15px 40px rgba(180, 110, 130, 0.15), 
                0 0 0 8px rgba(255, 255, 255, 0.8),
                0 0 0 10px rgba(212, 175, 55, 0.4);
    padding: 50px 35px;
    position: relative;
    transition: opacity 1s ease, transform 1s ease;
    animation: fadeInSlideUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.invite-card.hidden {
    display: none !important;
}

/* Elegant Corner Ornaments */
.border-ornament {
    position: absolute;
    width: 40px;
    height: 40px;
    pointer-events: none;
}

.border-ornament.top-left {
    top: 20px;
    left: 20px;
}

.border-ornament.top-left::before {
    content: '👑';
    position: absolute;
    top: -5px;
    left: -5px;
    font-size: 20px;
    transform: rotate(-45deg);
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.4));
}

.border-ornament.top-right {
    top: 20px;
    right: 20px;
}

.border-ornament.top-right::before {
    content: '👑';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 20px;
    transform: rotate(45deg);
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.4));
}

.border-ornament.bottom-left {
    bottom: 20px;
    left: 20px;
}

.border-ornament.bottom-left::before {
    content: '👑';
    position: absolute;
    bottom: -5px;
    left: -5px;
    font-size: 20px;
    transform: rotate(-135deg);
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.4));
}

.border-ornament.bottom-right {
    bottom: 20px;
    right: 20px;
}

.border-ornament.bottom-right::before {
    content: '👑';
    position: absolute;
    bottom: -5px;
    right: -5px;
    font-size: 20px;
    transform: rotate(135deg);
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.4));
}

/* Card Header Section */
.invite-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 25px;
}

.crown-icon {
    font-size: 40px;
    filter: drop-shadow(0 2px 5px rgba(212, 175, 55, 0.4));
    margin-bottom: 10px;
    animation: hoverGently 3s ease-in-out infinite;
}

@keyframes hoverGently {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.header-line {
    width: 60%;
    height: 1px;
    background: var(--gold-gradient);
    position: relative;
}

.header-line::before {
    content: '⚜';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    padding: 0 10px;
    color: var(--text-gold);
    font-size: 14px;
}

/* --- Card Body Elements --- */
.invite-body {
    text-align: center;
}

.salutation {
    font-family: var(--font-script);
    font-size: 38px;
    color: var(--text-royal);
    margin-bottom: 20px;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.8);
}

.intro-text, .charming-text, .description-text, .wonder-text, .festivities-text, .attire-instruction {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 22px;
    color: var(--text-dark);
    font-weight: 400;
}

.charming-text {
    margin-bottom: 30px;
}

/* --- Royal Portrait Frame --- */
.portrait-container {
    display: flex;
    justify-content: center;
    margin: 15px 0 35px 0;
}

.gold-oval-frame {
    position: relative;
    width: 220px;
    height: 290px;
    border-radius: 110px;
    background: var(--gold-gradient);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15), 
                0 4px 15px rgba(170, 124, 17, 0.3);
}

.portrait-slideshow {
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 105px;
    overflow: hidden;
    background: #fdf5f6;
}

.portrait-slideshow::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    border-radius: 102px;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    pointer-events: none;
    z-index: 10;
}

.portrait-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 8s ease;
    border-radius: 105px;
}

.portrait-slide.active {
    opacity: 1;
    transform: scale(1.04);
}

/* Frame Accessories */
.ribbon-ornament {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 38px;
    z-index: 4;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

.toggle-photo-btn {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border: 1.5px solid var(--accent-gold-dark);
    padding: 6px 14px;
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    color: var(--text-royal);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 5;
    white-space: nowrap;
}

.toggle-photo-btn:hover {
    background: var(--gold-gradient);
    color: var(--white);
    transform: translateX(-50%) translateY(-2px);
    box-shadow: var(--gold-shadow);
}

/* Text Highlights */
.royal-celebration-title {
    font-family: var(--font-royal);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 15px 0 0 0;
    text-align: center;
}

.royal-name-container {
    margin: 30px 0 15px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.royal-title-princess {
    font-family: var(--font-script);
    font-size: 42px;
    color: var(--text-royal);
    line-height: 0.8;
}

.royal-title-name {
    font-family: var(--font-script);
    font-size: 78px; /* Beautiful giant calligraphy */
    font-weight: 400;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 3px rgba(220, 160, 180, 0.4));
    line-height: 0.9;
    margin: 10px 0;
}

.royal-title-suffix {
    font-family: var(--font-royal);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-gold);
    text-transform: uppercase;
}

.announcement {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 16px;
    color: var(--text-gold);
    margin-bottom: 15px;
}

.soiree-title {
    font-family: var(--font-royal);
    font-size: 28px;
    font-weight: 900;
    color: var(--text-royal);
    letter-spacing: 4px;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.soiree-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 20%;
    width: 60%;
    height: 1px;
    background: var(--gold-gradient);
}

.attendance-notice {
    font-family: var(--font-royal);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-royal);
    margin-top: 30px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Sign-off Section */
.signoff-section {
    margin: 35px 0;
}

.yours-truly {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 15px;
    color: var(--text-dark);
}

.signature {
    font-family: var(--font-script);
    font-size: 40px;
    color: var(--text-royal);
    margin-top: -5px;
}

/* Postscript box */
.postscript-box {
    background: rgba(255, 192, 203, 0.12);
    border: 1px dashed rgba(212, 175, 55, 0.5);
    padding: 15px 20px;
    border-radius: var(--border-radius-sm);
    margin: 30px 0;
    text-align: left;
}

.ps-text {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-dark);
}

/* --- Event Details Box --- */
.event-details {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(253, 240, 243, 0.95) 100%);
    border: 2px solid rgba(212, 175, 55, 0.35);
    border-radius: var(--border-radius-lg);
    padding: 30px 20px;
    margin: 40px 0;
    box-shadow: var(--soft-shadow);
    position: relative;
}

.details-divider {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    color: var(--text-gold);
}

.star-accent {
    font-size: 10px;
}

.star-accent.larger {
    font-size: 14px;
}

.details-title {
    font-family: var(--font-royal);
    font-size: 18px;
    color: var(--text-royal);
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    text-align: left;
}

@media(max-width: 480px) {
    .details-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        text-align: center;
    }
}

.detail-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    transition: background 0.3s ease;
}

.detail-icon-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 192, 203, 0.18);
    border: 1.5px solid rgba(212, 175, 55, 0.4);
    border-radius: 50%;
    color: var(--text-royal);
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(220, 160, 180, 0.1);
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-label {
    font-family: var(--font-sans);
    font-size: 9.5px;
    font-weight: 700;
    color: var(--text-gold);
    letter-spacing: 1.5px;
}

.detail-value {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.4;
    font-weight: 600;
}

/* --- RSVP Form Section --- */
.rsvp-section {
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding-top: 40px;
    margin-top: 30px;
}

.rsvp-title {
    font-family: var(--font-royal);
    font-size: 22px;
    color: var(--text-royal);
    margin-bottom: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.rsvp-deadline {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 14px;
    color: var(--text-gold);
    margin-bottom: 25px;
}

.rsvp-form {
    text-align: left;
    max-width: 420px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-royal);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1.5px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-dark);
    background-color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-gold-dark);
    background-color: var(--white);
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.2);
}

/* Radio Custom Cards */
.rsvp-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.radio-card {
    position: relative;
    border: 1.5px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--border-radius-sm);
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.radio-card:hover {
    border-color: var(--accent-gold-dark);
    background: rgba(255, 192, 203, 0.05);
}

.radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-box {
    width: 16px;
    height: 16px;
    border: 2.5px solid rgba(212, 175, 55, 0.5);
    border-radius: 50%;
    display: inline-block;
    position: relative;
    transition: all 0.3s ease;
}

.radio-card input[type="radio"]:checked ~ .radio-box {
    border-color: var(--text-royal);
}

.radio-card input[type="radio"]:checked ~ .radio-box::after {
    content: '';
    position: absolute;
    width: 7px;
    height: 7px;
    background: var(--text-royal);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radio-card input[type="radio"]:checked ~ .radio-label {
    color: var(--text-royal);
    font-weight: 600;
}

.radio-label {
    font-family: var(--font-body);
    font-size: 13.5px;
    color: var(--text-dark);
    text-transform: none !important;
    letter-spacing: 0 !important;
}

.rsvp-actions {
    margin-top: 30px;
}

/* Gold Shiny Button Design */
.gold-button {
    width: 100%;
    background: var(--gold-gradient);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--white);
    padding: 14px 24px;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    box-shadow: var(--gold-shadow);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.gold-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

.gold-button:hover::before {
    left: 100%;
}

.gold-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.gold-button:active {
    transform: translateY(1px);
}

/* Footer elements */
.invite-footer {
    margin-top: 50px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 20px;
}

.invite-footer p {
    font-family: var(--font-sans);
    font-size: 10px;
    color: var(--text-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- CUSTOMIZER MODAL --- */
.customizer-modal {
    position: fixed;
    top: 0;
    right: -360px; /* Hidden offscreen initially */
    width: 340px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    padding: 30px 24px;
    border-left: 2px solid var(--accent-gold-dark);
}

.customizer-modal.open {
    right: 0;
}

.customizer-content h3 {
    font-family: var(--font-royal);
    font-size: 18px;
    color: var(--text-royal);
    margin-bottom: 10px;
}

.customizer-content p {
    font-family: var(--font-sans);
    font-size: 11px;
    color: #666;
    margin-bottom: 25px;
    line-height: 1.5;
}

.customizer-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-royal);
    cursor: pointer;
}

.customizer-close:hover {
    color: red;
}

.save-customizer-btn {
    margin-bottom: 12px;
}

.reset-customizer-btn {
    width: 100%;
    background: transparent;
    border: 1.5px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    color: #555;
    padding: 12px;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reset-customizer-btn:hover {
    background: #eaeaea;
    color: #000;
}

/* --- Secondary Button & Toast Notifications --- */
.secondary-button {
    background: transparent !important;
    border: 1.5px solid var(--accent-gold-dark) !important;
    color: var(--text-royal) !important;
    box-shadow: none !important;
}

.secondary-button::before {
    display: none;
}

.secondary-button:hover {
    background: var(--gold-gradient) !important;
    color: var(--white) !important;
    border-color: transparent !important;
    box-shadow: var(--gold-shadow) !important;
    transform: translateY(-2px);
}

.toast-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(255, 255, 255, 0.95);
    border: 1.5px solid var(--accent-gold-dark);
    border-radius: var(--border-radius-sm);
    padding: 12px 24px;
    color: var(--text-royal);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.25);
    z-index: 1001;
    pointer-events: none;
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
}

.toast-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}