/* ===================================
   ENHANCED DESIGN SYSTEM
   =================================== */
:root {
    --lavender: #C6B7E2;
    --soft-pink: #F6C1D1;
    --cream: #FFF8F2;
    --dark-plum: #4A3B5C;
    --white: #FFFFFF;

    --gradient-primary: linear-gradient(135deg, var(--lavender) 0%, var(--soft-pink) 100%);
    --gradient-soft: linear-gradient(180deg, var(--cream) 0%, #FFF0F5 100%);

    --font-cute: 'Pacifico', cursive;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Quicksand', sans-serif;
    --font-emotional: 'Montserrat', sans-serif;

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-full: 9999px;

    --shadow-soft: 0 4px 20px rgba(198, 183, 226, 0.2);
    --shadow-medium: 0 8px 30px rgba(198, 183, 226, 0.3);
    --shadow-strong: 0 12px 40px rgba(198, 183, 226, 0.4);
}

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

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--gradient-soft);
    color: var(--dark-plum);
    line-height: 1.6;
}

/* ===================================
   FLOATING HEARTS BACKGROUND
   =================================== */
.floating-hearts {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.heart {
    position: absolute;
    font-size: 1.5rem;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

.heart:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.heart:nth-child(2) {
    left: 25%;
    animation-delay: 2s;
    animation-duration: 14s;
}

.heart:nth-child(3) {
    left: 50%;
    animation-delay: 4s;
    animation-duration: 16s;
}

.heart:nth-child(4) {
    left: 70%;
    animation-delay: 1s;
    animation-duration: 13s;
}

.heart:nth-child(5) {
    left: 85%;
    animation-delay: 3s;
    animation-duration: 15s;
}

.heart:nth-child(6) {
    left: 40%;
    animation-delay: 5s;
    animation-duration: 17s;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.3;
    }

    90% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* ===================================
   PAGE SYSTEM
   =================================== */
.page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 2;
    opacity: 0;
    visibility: hidden;
    transform: translateY(50px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
}

.page.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.page-content {
    max-width: 600px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 0.8s ease;
}

/* ===================================
   PANDA IMAGES
   =================================== */
.panda-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    display: block;
    filter: drop-shadow(0 8px 20px rgba(198, 183, 226, 0.3));
}

.panda-image.bounce {
    animation: bounce 2s infinite;
}

.panda-image.shake {
    animation: shake 1s ease-in-out infinite;
}

.panda-image.float {
    animation: floatPanda 3s ease-in-out infinite;
}

.panda-image.celebrate {
    animation: celebrate 1.5s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-5deg);
    }

    75% {
        transform: rotate(5deg);
    }
}

@keyframes floatPanda {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes celebrate {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    25% {
        transform: scale(1.1) rotate(-5deg);
    }

    75% {
        transform: scale(1.1) rotate(5deg);
    }
}

/* ===================================
   TYPOGRAPHY
   =================================== */
.cute-title {
    font-family: var(--font-cute);
    font-size: 2.5rem;
    color: var(--lavender);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(198, 183, 226, 0.3);
}

.name-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--soft-pink);
    margin-bottom: 2rem;
    font-weight: 700;
}

.cute-message {
    font-size: 1.3rem;
    color: var(--dark-plum);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-family: var(--font-emotional);
}

.small-note {
    font-size: 0.95rem;
    color: var(--lavender);
    font-style: italic;
    margin-top: 1rem;
}

/* ===================================
   MESSAGE BOXES
   =================================== */
.message-box {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    margin: 2rem 0;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.typing-text {
    font-family: var(--font-emotional);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-plum);
    white-space: pre-wrap;
    text-align: left;
}

/* ===================================
   DARK PAGE (3 AM MEMORY)
   =================================== */
.dark-page {
    background: linear-gradient(135deg, #4A3B5C 0%, #6B5B7E 100%);
}

.dark-page .cute-title {
    color: var(--cream);
}

.stars {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: twinkle 2s infinite;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.memory-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 2px solid rgba(198, 183, 226, 0.3);
    margin: 2rem 0;
}

.memory-text {
    font-size: 1.2rem;
    color: var(--cream);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.memory-text.highlight {
    color: var(--soft-pink);
    font-weight: 600;
}

/* ===================================
   MEMORY CARDS
   =================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.memory-card {
    background: var(--white);
    padding: 2rem 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    cursor: pointer;
}

.memory-card:hover {
    transform: translateY(-10px) rotate(2deg);
    box-shadow: var(--shadow-strong);
}

.card-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.memory-card p {
    font-size: 1rem;
    color: var(--dark-plum);
    font-weight: 500;
}

.final-message {
    font-size: 1.3rem;
    font-family: var(--font-emotional);
    color: var(--lavender);
    font-weight: 600;
    line-height: 1.6;
    margin-top: 2rem;
}

/* ===================================
   PROMISE BOX
   =================================== */
.promise-box {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    margin: 2rem 0;
}

.promise-line {
    font-size: 1.2rem;
    color: var(--dark-plum);
    margin-bottom: 1rem;
    line-height: 1.8;
    text-align: left;
}

/* ===================================
   BUTTONS
   =================================== */
.btn-next,
.btn-music,
.btn-forgive {
    background: var(--lavender);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    font-size: 1.3rem;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    margin-top: 2rem;
}

.btn-next:hover,
.btn-music:hover,
.btn-forgive:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
    background: var(--soft-pink);
}

.btn-music {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.heart-icon {
    font-size: 1.5rem;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ===================================
   MUSIC CONTROLS
   =================================== */
.music-controls {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.control-btn {
    background: var(--white);
    color: var(--dark-plum);
    border: 2px solid var(--lavender);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: var(--lavender);
    color: var(--white);
}

/* ===================================
   CELEBRATION PAGE
   =================================== */
.celebration-page {
    background: var(--gradient-primary);
}

.final-title {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(74, 59, 92, 0.3);
}

.final-subtitle {
    font-size: 2rem;
    color: var(--cream);
    margin-bottom: 1rem;
    font-family: var(--font-cute);
}

.btn-forgive {
    background: var(--white);
    color: var(--lavender);
}

.forgiveness-message {
    margin-top: 2rem;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.5s ease;
}

.forgiveness-message.show {
    opacity: 1;
    transform: scale(1);
}

.love-text {
    font-size: 2.5rem;
    color: var(--white);
    font-family: var(--font-cute);
    text-shadow: 0 0 20px rgba(246, 193, 209, 0.8);
    animation: glow 2s infinite;
}

@keyframes glow {

    0%,
    100% {
        text-shadow: 2px 2px 8px rgba(74, 59, 92, 0.5);
    }

    50% {
        text-shadow: 0 0 30px rgba(246, 193, 209, 0.8);
    }
}

#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* ===================================
   ANIMATIONS
   =================================== */
.fade-in {
    animation: fadeIn 1s ease;
}

.fade-in-delay {
    animation: fadeIn 1s ease 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   UTILITY
   =================================== */
.hidden {
    display: none;
}

/* ===================================
   MOBILE RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .cute-title {
        font-size: 2rem;
    }

    .name-title {
        font-size: 2.2rem;
    }

    .cute-message {
        font-size: 1.1rem;
    }

    .panda-image {
        width: 150px;
        height: 150px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .final-title {
        font-size: 2rem;
    }

    .love-text {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .page {
        padding: 1rem;
    }

    .cute-title {
        font-size: 1.6rem;
    }

    .name-title {
        font-size: 1.8rem;
    }

    .panda-image {
        width: 120px;
        height: 120px;
    }

    .message-box,
    .promise-box {
        padding: 1.5rem;
    }
}