:root {
    /* Lovable Pink Color Palette */
    --clr-bg: #fff0f5; /* Lavender blush / very soft pink */
    --clr-bg-alt: #ffe4e1; /* Misty rose / baby pink */
    --clr-text: #c2185b; /* Vibrant deep pink / magenta for text */
    --clr-accent-1: #ffb6c1; /* Light pink for cards */
    --clr-accent-2: #ff69b4; /* Hot pink for highlights */
    --clr-gold: #ff1493; /* Deep pink for glowing particles/hearts */
    --clr-white: rgba(255, 255, 255, 0.9); /* Soft white for glass */
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-sm: 1.5rem;
    --spacing-md: 3rem;
    --spacing-lg: 5rem;
    --spacing-xl: 10rem;

    /* Transitions */
    --transition-smooth: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); /* Slower, more elegant cubic-bezier */
}

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

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

/* --------------------------------------------------------
   LOCK SCREEN
   -------------------------------------------------------- */
#lock-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--clr-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1.2s ease-in-out, visibility 1.2s;
}

#lock-screen.unlocked {
    opacity: 0;
    visibility: hidden;
}

.lock-container {
    text-align: center;
    max-width: 420px;
    padding: var(--spacing-md);
    position: relative;
    z-index: 2;
    background: rgba(255, 240, 245, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 105, 180, 0.3);
    border-radius: 35px;
    box-shadow: 0 20px 50px rgba(255, 105, 180, 0.15);
}

.lock-title {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--clr-text);
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(255, 105, 180, 0.3);
}

.lock-subtitle {
    font-size: 1.1rem;
    color: var(--clr-accent-2);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.password-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.pin-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.pin-input {
    width: 50px;
    height: 60px;
    font-size: 2rem;
    text-align: center;
    border: 1px solid var(--clr-accent-2);
    border-radius: 8px;
    background: transparent;
    color: var(--clr-text);
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.3s;
}

.pin-input:focus {
    border-color: var(--clr-text);
    box-shadow: 0 0 10px rgba(240, 98, 146, 0.3); /* updated to pink shadow */
}

/* Numpad styles */
.numpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 1.5rem;
    max-width: 250px;
}

.numpad-btn {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    border: 2px solid rgba(255, 105, 180, 0.4); /* Hot pink subtle border */
    background: rgba(255, 255, 255, 0.7);
    color: var(--clr-text);
    font-size: 1.6rem;
    font-family: var(--font-sans);
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.numpad-btn:hover, .numpad-btn:active {
    background: var(--clr-accent-2);
    color: #fff;
    transform: scale(0.92);
    border-color: transparent;
    box-shadow: 0 10px 20px rgba(255, 105, 180, 0.4);
}

.action-btn {
    font-size: 1.2rem;
    background: rgba(255, 182, 193, 0.6);
}

.unlock-btn {
    margin-top: 1.5rem;
    padding: 10px 30px;
    background-color: var(--clr-text);
    color: var(--clr-bg);
    border: none;
    border-radius: 30px;
    font-family: var(--font-sans);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.unlock-btn:hover {
    background-color: var(--clr-accent-2);
}

.lock-message {
    margin-top: 1rem;
    min-height: 24px;
    color: #a35656;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.lock-message.visible {
    opacity: 1;
}

.hint-btn {
    margin-top: 1rem;
    background: none;
    border: none;
    color: var(--clr-accent-2);
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: underline;
}

/* Floating Particles */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    color: var(--clr-gold);
    opacity: 0.3;
    animation: float-up linear infinite;
    text-shadow: 0 0 10px var(--clr-gold), 0 0 20px rgba(255, 105, 180, 0.4);
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* --------------------------------------------------------
   MAIN CONTENT WRAPPER
   -------------------------------------------------------- */
#main-content {
    display: none;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

#main-content.visible {
    display: block;
    opacity: 1;
}

/* --------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
    background: linear-gradient(135deg, var(--clr-bg), var(--clr-accent-1), #FFF, var(--clr-bg-alt));
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-title {
    font-size: clamp(3.5rem, 7vw, 6rem);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
    text-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--clr-accent-2);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    font-family: var(--font-serif);
    letter-spacing: 0.5px;
}

.hero-text {
    max-width: 650px;
    margin: 0 auto;
    font-size: 1.15rem;
    color: var(--clr-text);
    opacity: 0.75;
    line-height: 1.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--clr-accent-2);
    animation: bounce 2s infinite;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* --------------------------------------------------------
   SECTIONS GENERAL
   -------------------------------------------------------- */
section {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
    position: relative;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background-color: var(--clr-accent-2);
    margin: var(--spacing-sm) auto 0;
}

/* --------------------------------------------------------
   LETTER SECTION
   -------------------------------------------------------- */
.letter-section {
    background-color: var(--clr-bg-alt);
    max-width: 100%;
}

.letter-container {
    max-width: 850px;
    margin: 0 auto;
    background-color: var(--clr-white);
    padding: clamp(3rem, 6vw, 5rem);
    border-radius: 35px;
    box-shadow: 0 20px 60px rgba(255, 105, 180, 0.1);
    position: relative;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 182, 193, 0.5);
}

.letter-container::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 2px dashed rgba(255, 105, 180, 0.3); /* Cute dashed inner border */
    border-radius: 20px;
    pointer-events: none;
}

.letter-content {
    white-space: pre-wrap;
    font-size: 1.25rem;
    line-height: 2;
    color: var(--clr-text);
    opacity: 0.95;
    font-weight: 500;
}

/* --------------------------------------------------------
   MEMORIES SECTION
   -------------------------------------------------------- */
.memories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.memory-card {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: 35px;
    box-shadow: 0 10px 30px rgba(255, 105, 180, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 182, 193, 0.5);
    text-align: center;
}

.memory-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 105, 180, 0.2);
    border-color: var(--clr-accent-2);
}

.memory-date {
    font-size: 0.75rem;
    color: var(--clr-accent-2);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    display: block;
    font-weight: 500;
}

.memory-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.memory-desc {
    color: var(--clr-text);
    font-size: 1.05rem;
    opacity: 0.75;
    line-height: 1.7;
}

/* --------------------------------------------------------
   THE STORY SECTION
   -------------------------------------------------------- */
.story-section {
    background-color: var(--clr-bg);
    max-width: 100%;
}

.story-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.ig-story-card {
    width: 340px;
    height: 600px;
    background-color: var(--clr-white);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(90, 58, 66, 0.1);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.ig-header {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    gap: 12px;
    background: linear-gradient(rgba(0,0,0,0.03), transparent);
    z-index: 2;
}

.ig-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--clr-accent-2), var(--clr-accent-1));
    border: 2px solid #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.ig-username {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--clr-text);
}

.ig-time {
    font-size: 0.75rem;
    color: var(--clr-text);
    opacity: 0.5;
    margin-left: auto;
}

.ig-content {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--clr-bg-alt), #fff);
    position: relative;
}

.ig-promo-mockup {
    padding: 25px 45px;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    font-family: var(--font-serif);
    color: var(--clr-text);
    font-size: 1.3rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow: 0 10px 30px rgba(90, 58, 66, 0.08);
}

.story-text-container {
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--clr-text);
    max-width: 600px;
}

.story-text-container p {
    margin-bottom: var(--spacing-sm);
}

.story-quote {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-style: italic;
    color: var(--clr-accent-2);
    text-align: center;
    padding: var(--spacing-md);
    border-top: 1px solid var(--clr-accent-1);
    border-bottom: 1px solid var(--clr-accent-1);
    max-width: 700px;
    line-height: 1.5;
}

.story-footer {
    font-size: 0.95rem;
    color: var(--clr-text);
    opacity: 0.8;
    text-align: center;
    font-style: italic;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0,0,0,0.1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
    color: var(--clr-text);
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
}

/* --------------------------------------------------------
   WISHES SECTION
   -------------------------------------------------------- */
.wishes-section {
    background-color: var(--clr-bg-alt);
    max-width: 100%;
}

.wishes-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.wish-card {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem 4rem;
    border-radius: 50px;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--clr-text);
    font-weight: 500;
    box-shadow: 0 15px 35px rgba(255, 105, 180, 0.15);
    border: 2px solid rgba(255, 182, 193, 0.4);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.wish-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------
   SURPRISE SECTION
   -------------------------------------------------------- */
.surprise-section {
    text-align: center;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.surprise-btn {
    padding: 18px 50px;
    background-color: var(--clr-accent-2);
    backdrop-filter: blur(8px);
    border: none;
    color: #fff;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 500;
    font-family: var(--font-sans);
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 10px 25px rgba(255, 105, 180, 0.3);
}

.surprise-btn:hover {
    background-color: var(--clr-text);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(255, 105, 180, 0.5);
}

/* CAKE & CANDLE CSS */
#candle-interaction {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.candle-instructions {
    font-size: 1.1rem;
    color: var(--clr-text);
    font-style: italic;
    margin-bottom: 20px;
    opacity: 0.8;
}

.cake-container {
    position: relative;
    width: 200px;
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: 30px;
}

.cake-bottom {
    width: 160px;
    height: 50px;
    background-color: #f8c8d3;
    border-radius: 10px;
    position: relative;
    z-index: 1;
    border-bottom: 5px solid #e38a9d;
}

.cake-top {
    width: 140px;
    height: 40px;
    background-color: #fff0f3;
    border-radius: 10px 10px 0 0;
    position: relative;
    z-index: 2;
    margin-bottom: -10px;
    border-bottom: 5px solid #f8c8d3;
}

.candle {
    position: relative;
    width: 12px;
    height: 40px;
    background: repeating-linear-gradient(
      45deg,
      #ffffff,
      #ffffff 5px,
      #ffb6c1 5px,
      #ffb6c1 10px
    );
    z-index: 3;
    margin-bottom: -5px;
    border-radius: 2px;
}

.wick {
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 5px;
    background-color: #333;
}

.flame {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 22px;
    background: radial-gradient(ellipse at center, #ffd700 0%, #ff8c00 100%);
    border-radius: 50% 50% 20% 20%;
    box-shadow: 0 0 15px #ffd700, 0 0 30px #ff8c00;
    animation: flicker 0.1s infinite alternate;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.flame.lit {
    opacity: 1;
}

.flame.blown-out {
    opacity: 0;
    animation: none;
    transition: opacity 0.3s ease;
}

@keyframes flicker {
    0% { transform: translateX(-50%) scale(1) rotate(-1deg); }
    100% { transform: translateX(-50%) scale(1.05) rotate(1deg); }
}

.surprise-content {
    max-width: 600px;
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: opacity 1s ease;
}

.surprise-content.revealed {
    opacity: 1;
    height: auto;
    padding: var(--spacing-md) 0;
}

.surprise-text {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    line-height: 1.5;
    color: var(--clr-text);
}

.replay-btn {
    margin-top: 1rem;
    background: none;
    border: none;
    color: var(--clr-accent-2);
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: underline;
}

/* Mini Confetti Container */
#confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0;
}

/* --------------------------------------------------------
   FOOTER SECTION
   -------------------------------------------------------- */
.footer-section {
    background-color: var(--clr-text);
    color: var(--clr-bg);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 100%;
}

.footer-text {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-note {
    font-size: 0.9rem;
    color: var(--clr-accent-2);
    letter-spacing: 1px;
}

.lock-site-btn {
    background: none;
    border: 1px solid var(--clr-accent-2);
    color: var(--clr-accent-2);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.lock-site-btn:hover {
    background-color: var(--clr-accent-2);
    color: var(--clr-text);
}

/* --------------------------------------------------------
   UTILITIES & ANIMATIONS
   -------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}