/* Global Footer */
.game-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0.5rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    z-index: 100;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-left a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-left a:hover {
    color: var(--accent-heart);
    text-decoration: underline;
}

.version-text {
    font-weight: 600;
    background: linear-gradient(45deg, #ff9a9e, #fad0c4, #fad0c4, #ff9a9e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient 3s ease infinite;
}

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

@media (max-width: 480px) {
    .game-footer {
        padding: 0.3rem 0.8rem;
        font-size: 0.65rem;
        flex-direction: row; /* Keep it in one line */
        justify-content: space-between;
        gap: 0.5rem;
    }
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    position: relative;
}

/* Particles Background */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Screen Management */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

/* Start Screen */
#start-screen {
    background: var(--overlay-bg);
    backdrop-filter: blur(10px);
}

.start-bg-effects {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.start-bg-effects .bg-icon {
    position: absolute;
    opacity: 0.18;
    filter: blur(1.5px);
    animation: drift 9s ease-in-out infinite;
}

.start-bg-effects .bg-icon:nth-child(1) { top: 6%; left: 12%; font-size: 2.2rem; color: var(--accent-heart); animation-duration: 8s; }
.start-bg-effects .bg-icon:nth-child(2) { top: 12%; right: 10%; font-size: 2rem; color: var(--accent-gold); animation-duration: 9s; }
.start-bg-effects .bg-icon:nth-child(3) { top: 26%; left: 22%; font-size: 2.8rem; color: var(--accent-heart); animation-duration: 10s; }
.start-bg-effects .bg-icon:nth-child(4) { top: 30%; right: 18%; font-size: 2.6rem; color: var(--accent-gold); animation-duration: 11s; }
.start-bg-effects .bg-icon:nth-child(5) { top: 48%; left: 8%; font-size: 2.4rem; color: var(--accent-heart); animation-duration: 12s; }
.start-bg-effects .bg-icon:nth-child(6) { top: 52%; right: 6%; font-size: 2.4rem; color: var(--accent-gold); animation-duration: 9.5s; }
.start-bg-effects .bg-icon:nth-child(7) { bottom: 18%; left: 18%; font-size: 2.2rem; color: var(--accent-heart); animation-duration: 8.5s; }
.start-bg-effects .bg-icon:nth-child(8) { bottom: 22%; right: 22%; font-size: 2.2rem; color: var(--accent-gold); animation-duration: 9.2s; }
.start-bg-effects .bg-icon:nth-child(9) { bottom: 8%; left: 6%; font-size: 2.8rem; color: var(--accent-heart); animation-duration: 12.5s; }
.start-bg-effects .bg-icon:nth-child(10) { bottom: 10%; right: 10%; font-size: 2.6rem; color: var(--accent-gold); animation-duration: 11.5s; }
.start-bg-effects .bg-icon:nth-child(11) { top: 70%; left: 40%; font-size: 2.1rem; color: var(--accent-heart); animation-duration: 10.5s; }
.start-bg-effects .bg-icon:nth-child(12) { top: 18%; left: 70%; font-size: 2.3rem; color: var(--accent-gold); animation-duration: 8.8s; }

@keyframes drift {
    0% { transform: translate(0,0) rotate(0deg); }
    50% { transform: translate(10px,-8px) rotate(6deg); }
    100% { transform: translate(0,0) rotate(0deg); }
}

@media (prefers-color-scheme: light) {
    .start-bg-effects .bg-icon { opacity: 0.22; filter: blur(2px); }
}

.screen-content {
    text-align: center;
    padding: 2rem;
    max-width: 600px;
    background: var(--panel-bg);
    border-radius: 20px;
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(20px);
}

.subtitle {
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--subtitle);
}

.game-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, var(--accent-heart), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 107, 154, 0.3);
}

.instructions {
    margin-bottom: 2rem;
    text-align: left;
}

.instructions h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-heart);
}

.instructions ul {
    list-style: none;
    padding: 0;
}

.instructions li {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.instructions li:last-child {
    margin-top: 2rem;
}

.instructions i {
    color: var(--accent-heart);
    font-size: 1.2rem;
}

.heart-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.heart-banner .heart {
    color: var(--accent-heart);
    filter: drop-shadow(0 0 6px rgba(255,107,154,0.6));
    animation: floatHeart 3s ease-in-out infinite;
}

.heart-banner .banner-text {
    font-weight: 600;
    letter-spacing: 0.5px;
    /* color: #ffdbe6; */
    color: #ff78a1;
}

@keyframes floatHeart {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-5px) scale(1.05); }
    100% { transform: translateY(0) scale(1); }
}

.start-decor {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.decor-heart { color: var(--accent-heart); animation: twinkle 2s ease-in-out infinite; }
.decor-star { color: var(--accent-gold); animation: twinkle 2.8s ease-in-out infinite; }
.year-chip {
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #e1c366;
    font-weight: 700;
}

@keyframes twinkle {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

/* Buttons */
.start-button, .retry-button, .play-again-button {
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}


.start-button:hover, .retry-button:hover, .play-again-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.start-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.7;
}

.start-button.loading {
    background: linear-gradient(45deg, #7f8c8d, #95a5a6);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Game Screen */
#game-screen {
    position: relative;
    width: 100%;
    height: 100%;
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5; 
    cursor: default;
}

@supports (height: 100dvh) {
    #game-screen { height: 100dvh; }
    #game-canvas { height: 100dvh; }
}

@media (pointer: coarse) {
    #game-canvas { cursor: none; }
}

/* HUD */
.hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--hud-bg);
    backdrop-filter: blur(10px);
    z-index: 10;
    border-bottom: 1px solid var(--panel-border);
}

.hud-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-heart);
    margin-right: 0.5rem;
}

.health-container, .progress-container, .score-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hearts {
    display: flex;
    gap: 0.3rem;
}

.hearts i {
    color: var(--accent-heart);
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(255, 107, 154, 0.5);
}

.progress-bar {
    width: 150px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-heart), var(--accent-gold));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 10px;
}

.progress-text, .score-text {
    font-weight: 600;
    font-size: 1rem;
    min-width: 40px;
    text-align: center;
}

.progress-text {
    color: var(--accent-heart);
}

.score-text {
    color: #ffd93d;
}

/* Overlay Screens */
.overlay-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 15;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.overlay-screen.active {
    opacity: 1;
    visibility: visible;
}

.overlay-content {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    max-width: 400px;
}

.overlay-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ff6b6b;
}

.overlay-content p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #e0e0e0;
}

.final-score {
    font-size: 1.5rem !important;
    font-weight: 600;
    color: #ffd93d !important;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    height: 70vh;
    overflow: hidden;
    position: relative;
    transform: none;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal.active .modal-content {
    transform: none;
}

.modal-header {
    padding: 2rem;
    background: linear-gradient(45deg, var(--accent-heart), var(--accent-gold));
    color: white;
    position: relative;
}

.modal-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    text-align: center;
}

.close-button {
    position: absolute;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background 0.3s ease, color 0.2s ease;
}

.close-button:hover {
    background: rgba(0, 0, 0, 0.08);
}

.modal-body {
    padding-top: 1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    flex: 1 1 auto;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
}

.paper-letter {
    background: #fff9f2;
    border-radius: 18px;
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 12px 36px rgba(0,0,0,0.14), inset 0 1px 0 rgba(255,255,255,0.6);
    padding: 2rem;
    position: relative;
    height: 100%;
    overflow: hidden;
}

.paper-letter:before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 105, 150, 0.04) 0px,
        rgba(255, 105, 150, 0.04) 30px,
        rgba(0,0,0,0.035) 30px,
        rgba(0,0,0,0.035) 31px
    );
    pointer-events: none;
}

.paper-letter:after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 18px;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.08);
    pointer-events: none;
}

.love-letter {
    font-family: 'Caveat', 'Great Vibes', cursive;
    font-size: 1.25rem;
    line-height: 1.9;
    color: #2c3e50;
    text-align: left;
    position: relative;
    z-index: 1;
    max-width: 520px;
    margin: 0 auto;
    height: 100%;
    min-height: 320px;
    overflow-y: auto;
    box-sizing: border-box;
    padding-top: 2rem;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    padding-bottom: 5rem;
    white-space: pre-wrap;
    overflow-wrap: break-word;
    /* background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6); */
}

.love-letter::before {
    content: "Scroll to bottom ↓";
    display: none;
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: #586e75;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    border-radius: 999px;
    padding: 0.25rem 0.6rem;
    opacity: 0.75;
    pointer-events: none;
}

.paper-decor {
    position: absolute;
    z-index: 2;
}

.paper-decor.top-left {
    top: 0.75rem;
    left: 0.75rem;
    color: var(--accent-gold);
    font-size: 1.6rem;
    transform: rotate(-12deg);
    animation: quill 6s ease-in-out infinite;
}

.paper-decor.top-right {
    top: 0.75rem;
    right: 0.75rem;
    color: #ff6b9a;
    animation: float 4s ease-in-out infinite;
    animation-delay: 1s;
}

.paper-decor.feather {
    bottom: 0.5rem;
    right: 0.75rem;
    color: #ffd93d;
    font-size: 1.6rem;
    transform: rotate(-15deg);
    animation: quill 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0); }
}

@keyframes quill {
    0% { transform: rotate(-15deg) translate(0,0); }
    50% { transform: rotate(-12deg) translate(-2px,-2px); }
    100% { transform: rotate(-15deg) translate(0,0); }
}

.paper-watermarks {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.paper-watermarks .watermark {
    position: absolute;
    opacity: 0.08;
    filter: blur(1.2px);
    color: #ff6b9a;
}
.paper-watermarks .h1 { font-size: 4rem; top: 12%; left: 10%; }
.paper-watermarks .h2 { font-size: 3.8rem; bottom: 16%; right: 12%; }
.paper-watermarks .h3 { font-size: 3.2rem; top: 48%; right: 32%; }

.wax-seal {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ff8fab, #ff6b9a);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15), inset 0 -2px 6px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}
.wax-seal i { color: #fff; font-size: 1rem; }

.modal-footer {
    padding: 1rem;
    text-align: center;
}

.play-again-button {
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .game-title {
        font-size: 2rem;
    }
    
    .screen-content {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .instructions li {
        font-size: 1rem;
    }
    
    .hud {
        padding: 0.8rem;
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .health-container, .progress-container, .score-container {
        justify-content: space-between;
        width: 100%;
    }
    
    .progress-bar {
        width: 120px;
    }
    
    .modal-content {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .modal-header, .modal-body {
        padding: 1.5rem;
    }
    .modal-footer {
        padding: 0.75rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .love-letter {
        font-size: 1.1rem;
    }
    .love-letter { min-height: 240px; }
    .love-letter {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
    .love-letter::before {
        display: block;
    }
    .paper-decor.feather {
        font-size: 1.2rem;
        bottom: 0.25rem;
        right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .modal-footer {
        padding: 0.5rem;
    }
    .love-letter::before {
        font-size: 0.85rem;
        padding: 0.2rem 0.5rem;
        margin-bottom: 0.4rem;
    }
    .paper-decor.feather {
        font-size: 1rem;
        bottom: 0.2rem;
        right: 0.4rem;
    }
}
    .game-title {
        font-size: 1.8rem;
    }
    
    .start-button, .retry-button, .play-again-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .hud {
        padding: 0.6rem;
    }
    
    .hud-label {
        font-size: 0.8rem;
    }
    
    .progress-bar {
        width: 100px;
        height: 16px;
    }
    
    .hearts i {
        font-size: 1rem;
    }

    .screen-content {
        margin: 0.75rem;
        padding: 1.25rem;
        max-width: 92vw;
    }
    /* .love-letter {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    } */
    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 0.9rem;
    }
    .heart-banner {
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }
    .heart-banner .heart { font-size: 1rem; }
    .instructions li {
        font-size: 0.95rem;
        line-height: 1.5;
        margin-bottom: 0.6rem;
    }
    .instructions li:last-child { margin-top: 2rem; }
    .start-decor { display: none; }
    .start-button { margin-top: 0.5rem; }



/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .pulse {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .screen-content, .overlay-content, .modal-content {
        border: 2px solid white;
    }
    
    .progress-fill {
        background: #00ff00;
    }
    
    .hearts i {
        color: #ff0000;
    }
}
:root {
    --bg-gradient: linear-gradient(135deg, #0e0b1d 0%, #2a103b 40%, #3a0f2f 70%, #4a0f2b 100%);
    --text-primary: #ffffff;
    --panel-bg: rgba(255, 255, 255, 0.05);
    --panel-border: rgba(255, 255, 255, 0.1);
    --overlay-bg: rgba(0, 0, 0, 0.8);
    --hud-bg: rgba(0, 0, 0, 0.7);
    --accent-heart: #ff6b9a;
    --accent-gold: #ffd93d;
    --subtitle: #ffdbe6;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg-gradient: linear-gradient(135deg, #fff9f7 0%, #ffe9f1 50%, #fff2d6 100%);
        --text-primary: #2c3e50;
        --panel-bg: rgba(255, 255, 255, 0.85);
        --panel-border: rgba(0, 0, 0, 0.08);
        --overlay-bg: rgba(255, 235, 240, 0.65);
        --hud-bg: linear-gradient(180deg, rgba(255, 240, 246, 0.92), rgba(255, 255, 255, 0.86));
        --accent-heart: #e74d83;
        --accent-gold: #e8c341;
        --subtitle: #b25573;
    }
    #start-screen { background: radial-gradient(circle at 50% 30%, rgba(255,235,240,0.7), rgba(255,255,255,0.6)); }
    .screen-content { box-shadow: 0 12px 40px rgba(0,0,0,0.18); }
    .hud { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
}
.paper-letter .close-button {
    top: 0.6rem;
    right: 0.6rem;
    color: var(--accent-heart);
    z-index: 3;
}