:root {
    /* ENTRY - Mysterious */
    --entry-bg-start: #1C1B2A;
    --entry-bg-end: #2A2740;
    --entry-accent: #6E5B9A;
    --entry-text: #E8E6F5;

    /* INNER - Soft Love */
    --inner-bg-start: #FFE9F0;
    --inner-bg-end: #FBD2DC;
    --inner-primary: #F6C1CC;
    --inner-accent: #F3AEBB;
    --inner-text: #5C4B53;
    --inner-heading: #4F3E46;

    /* CALM MODE */
    --calm-bg-start: #FFF0F4;
    --calm-bg-end: #FADCE4;
    --calm-glow: #F4B7C5;
    --calm-text: #6A5861;
    --calm-heading: #4F3E46;

    /* UNIVERSAL */
    --button-radius: 30px;
    --transition-soft: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --font-merri: 'Merriweather', serif;
    --font-playfair: 'Playfair Display', serif;
    --font-poppins: 'Poppins', sans-serif;
}

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

body {
    background-size: 400% 400%;
    font-family: var(--font-poppins);
    height: 100vh;
    overflow: hidden;
    position: relative;
    line-height: 1.85;
    letter-spacing: 0.045em;
    word-spacing: 0.06em;
    transition: background 1.2s ease, color 0.8s ease;
}

p,
span,
li,
.quiz-text,
.calm-text {
    line-height: 1.85;
    letter-spacing: 0.045em;
    word-spacing: 0.06em;
}

body.entry-mode {
    background: linear-gradient(135deg, var(--entry-bg-start), var(--entry-bg-end));
    color: var(--entry-text);
}

body.entry-mode::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(0deg,
            rgba(255, 255, 255, 0.03) 0px,
            rgba(255, 255, 255, 0.03) 1px,
            transparent 1px,
            transparent 20px),
        repeating-linear-gradient(90deg,
            rgba(255, 255, 255, 0.03) 0px,
            rgba(255, 255, 255, 0.03) 1px,
            transparent 1px,
            transparent 20px);
    pointer-events: none;
    z-index: 2;
    animation: gridShimmer 12s linear infinite;
}

@keyframes gridShimmer {

    0%,
    100% {
        background-position: 0 0, 0 0;
        opacity: 0.6;
    }

    50% {
        background-position: 4px 4px, 4px 4px;
        opacity: 1;
    }
}

body.inner-mode {
    background: linear-gradient(-45deg, var(--inner-bg-start), var(--inner-bg-end), var(--inner-bg-start), var(--inner-bg-end));
    background-size: 400% 400%;
    color: var(--inner-text);
    animation: softBreath 12s ease-in-out infinite;
}

body.calm-mode {
    background: linear-gradient(-45deg, var(--calm-bg-start), var(--calm-bg-end), var(--calm-bg-start), var(--calm-bg-end));
    background-size: 400% 400%;
    color: var(--calm-text);
    animation: softBreath 12s ease-in-out infinite;
}

@keyframes softBreath {

    0%,
    100% {
        background-position: 50% 50%;
        transform: scale(1);
    }

    50% {
        background-position: 51% 49%;
        transform: scale(1.002);
    }
}

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

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes shimmer {
    0% {
        opacity: 0.8;
        text-shadow: 0 0 10px var(--accent-glow);
    }

    50% {
        opacity: 1;
        text-shadow: 0 0 20px var(--accent-glow), 0 0 30px var(--card-rose);
    }

    100% {
        opacity: 0.8;
        text-shadow: 0 0 10px var(--accent-glow);
    }
}

.shimmer-text {
    animation: shimmer 2s infinite ease-in-out;
}

.glow-word {
    color: var(--accent-gold);
    text-shadow: 0 0 8px var(--accent-gold);
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
        text-shadow: 0 0 15px var(--accent-gold);
    }
}

#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    /* Behind everything */
    pointer-events: none;
    opacity: 0.4;
}

/* Entry Mode CSS Particles */
.entry-mode .floating-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
    z-index: 1;
    /* Above background canvas, below text */
    animation: driftSlow linear infinite;
}

@keyframes driftSlow {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0.06;
    }

    50% {
        transform: translateY(-4px) translateX(2px);
        opacity: 0.09;
    }

    100% {
        transform: translateY(0) translateX(0);
        opacity: 0.06;
    }
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-playfair);
    margin-bottom: 20px;
    line-height: 1.45;
    letter-spacing: 0.02em;
    font-weight: 600;
    text-align: center;
}

body.inner-mode h1,
body.inner-mode h2,
body.inner-mode h3,
body.inner-mode h4 {
    color: var(--inner-heading);
}

body.calm-mode h1,
body.calm-mode h2,
body.calm-mode h3,
body.calm-mode h4 {
    color: var(--calm-heading);
}

.section {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s;
    z-index: 2;
    padding: 20px;
}

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

#landing-screen .content {
    animation: microBreath 12s ease-in-out infinite;
    z-index: 3;
}

@keyframes microBreath {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.005);
    }

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

#landing-title {
    font-family: var(--font-merri);
    font-size: 3rem;
    margin-bottom: 20px;
    letter-spacing: 0.13em;
    animation: namePulse 4s ease-in-out infinite;
}

@keyframes namePulse {
    0% {
        text-shadow: 0 0 6px rgba(244, 183, 197, 0.3);
    }

    50% {
        text-shadow: 0 0 16px rgba(244, 183, 197, 0.6);
    }

    100% {
        text-shadow: 0 0 6px rgba(244, 183, 197, 0.3);
    }
}

#landing-subtitle {
    font-family: var(--font-poppins);
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.8;
}



#calibration-log {
    margin-top: 30px;
    margin-bottom: 20px;
    font-family: var(--font-poppins);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    min-height: 100px;
    height: auto;
}

/* Buttons */
.magic-btn,
.menu-btn,
.back-btn,
.reveal-btn,
.next-btn,
.quiz-opt {
    border-radius: var(--button-radius);
    transition: all var(--transition-soft);
    cursor: pointer;
    font-family: var(--font-poppins);
    font-weight: 600;
}

body.entry-mode .magic-btn,
body.entry-mode .menu-btn,
body.entry-mode .back-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--entry-text);
}

body.inner-mode .magic-btn,
body.inner-mode .menu-btn,
body.inner-mode .next-btn,
body.inner-mode .quiz-opt {
    background: var(--inner-primary);
    border: none;
    color: var(--inner-text);
}

body.calm-mode .magic-btn {
    background: var(--calm-glow);
    border: none;
    color: var(--calm-text);
}

.magic-btn:hover,
.menu-btn:hover,
.next-btn:hover,
.quiz-opt:hover {
    filter: brightness(1.05);
    box-shadow: 0 0 14px rgba(244, 183, 197, 0.5);
    animation: btnPulse 1.4s infinite alternate;
}

@keyframes btnPulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 8px rgba(244, 183, 197, 0.3);
    }

    50% {
        transform: scale(1.02);
        box-shadow: 0 0 15px rgba(244, 183, 197, 0.5);
    }
}

.magic-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Main Menu */
#main-menu {
    background: radial-gradient(circle at center, #FFDCE1 0%, #F9AFAE 100%);
    color: #444;
}

#home-quote {
    font-family: var(--font-playfair);
    font-size: 1.6rem;
    max-width: 650px;
    text-align: center;
    margin-bottom: 50px;
    font-style: italic;
    color: rgba(0, 0, 0, 0.7);
    text-shadow: 0 0 15px rgba(255, 168, 168, 0.3);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 500px;
}

.menu-btn {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px;
    border-radius: var(--button-radius);
    font-family: var(--font-poppins);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-soft);
    color: inherit;
    position: relative;
    overflow: hidden;
}

.menu-btn:hover {
    background: rgba(255, 255, 255, 0.4);
    border-color: var(--inner-primary);
    color: var(--inner-heading);
}

.menu-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.menu-btn:hover::after {
    opacity: 1;
}

/* Section Common */
.back-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    background: none;
    border: none;
    font-family: var(--font-poppins);
    color: inherit;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.7;
    z-index: 10;
}

.back-btn:hover {
    opacity: 1;
}

/* Letter Animation Fix */
.animated-word {
    display: inline-block;
    white-space: nowrap;
    margin-right: 0.3em;
}

.animated-letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
}

.animated-letter.revealed {
    opacity: 1;
    transform: translateY(0);
}

.animated-word {
    white-space: nowrap;
    display: inline-block;
}

/* Cards & Quiz Entrance */
.card {
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 30px;
    padding: 40px;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.quiz-card {
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    width: 100%;
    padding: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    width: 380px;
    min-height: 220px;
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-glow);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Sections Specifics */
#quiz-section.active,
#calm-modal.active {
    background: radial-gradient(circle at center, #FFDCE1 0%, #F9AFAE 100%);
    color: #444;
}

#quiz-progress {
    font-family: var(--font-poppins);
    font-weight: 500;
    margin-bottom: 20px;
    opacity: 0.8;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

h1 {
    font-family: var(--font-playfair);
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
}

/* Timeline */
.timeline {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    padding-bottom: 50px;
}

.timeline-card {
    width: 100%;
    max-width: 500px;
    position: relative;
}

.timeline-card::before {
    content: '❤️';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    opacity: 0.8;
}

@keyframes fadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }

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

.timeline-card {
    width: 100%;
    max-width: 500px;
    position: relative;
    opacity: 0;
}

/* Daily Prompt */
.zoom-card {
    text-align: center;
    max-width: 500px;
}

#prompt-input {
    width: 100%;
    height: 100px;
    margin-top: 20px;
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 15px;
    font-family: var(--font-poppins);
    resize: none;
    outline: none;
    transition: box-shadow 0.3s;
}

#prompt-input:focus {
    box-shadow: 0 0 15px var(--accent-glow);
    border-color: var(--accent-glow);
}

.zoom-card {
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.zoom-card.revealed {
    transform: scale(1.03);
}

/* Quiz */
.quiz-card {
    max-width: 500px;
    text-align: center;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 25px;
}

.quiz-opt {
    padding: 15px;
    font-size: 0.9rem;
}

#quiz-feedback {
    margin-top: 20px;
    font-weight: bold;
    min-height: 24px;
}

/* Vault */
.vault-card {
    text-align: center;
    animation: slideUpFade 0.8s ease forwards;
}

@keyframes slideUpFade {
    0% {
        transform: translateY(50px);
        opacity: 0;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.reveal-btn {
    background: var(--accent-gold);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    margin-top: 15px;
    cursor: pointer;
    font-family: var(--font-poppins);
}

/* Mood Log */
.horizontal-timeline {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    justify-content: center;
}

.mood-item {
    cursor: pointer;
    transition: transform 0.3s;
}

.mood-item:hover {
    transform: scale(1.1);
}

.mood-emoji {
    font-size: 3rem;
    display: block;
    width: 80px;
    height: 80px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s;
}

.mood-item:hover .mood-emoji {
    box-shadow: 0 0 20px var(--mood-color);
}

#mood-notes {
    width: 100%;
    max-width: 500px;
}

/* Emergency Calm */
.floating-calm-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--calm-glow);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--calm-glow);
    cursor: pointer;
    z-index: 1000;
    opacity: 0.7;
    transition: all 0.3s ease;
    animation: calmPulse 4s infinite ease-in-out;
}

.floating-calm-btn:hover {
    opacity: 1;
}

@keyframes calmPulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 15px var(--calm-glow);
    }

    50% {
        transform: scale(1.1);
        box-shadow: 0 0 30px var(--calm-glow);
    }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 30px;
    max-width: 500px;
    width: 90%;
    text-align: center;
}