:root {
    --bg-deep: #0a0e1a;
    --bg-card: #0f1526;
    --accent-gold: #d4af6a;
    --accent-char: #d4af6a;
    --accent-wash: rgba(212, 175, 106, 0.0);
    --text-main: #f0f4f8;
    --text-muted: #8a99ad;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Space Grotesk', sans-serif;
    --transition-speed: 0.6s;
}

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

body {
    background-color: var(--bg-deep);
    background-image: var(--body-gradient, none);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow-x: hidden;
    padding: 2rem 1rem;
    transition: background-image var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1);
}

.view-section {
    width: 100%;
    max-width: 700px;
    display: none;
    animation: fadeIn var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.view-section.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

header { text-align: center; margin-bottom: 2.5rem; cursor: pointer; }
header h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--accent-gold);
    letter-spacing: 3px;
    text-transform: uppercase;
}
header p { font-size: 0.95rem; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; margin-top: 0.25rem; }

.btn {
    background: transparent;
    border: 2px solid var(--accent-gold);
    color: var(--text-main);
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 1rem;
    width: 100%;
}
.btn:hover { background: var(--accent-gold); color: var(--bg-deep); box-shadow: 0 0 20px rgba(212, 175, 106, 0.35); }
.btn-secondary { border-color: var(--text-muted); color: var(--text-muted); font-size: 0.9rem; padding: 0.75rem 1.5rem; }
.btn-secondary:hover { background: var(--text-muted); color: var(--bg-deep); }
.btn-primary { background: var(--accent-gold); color: var(--bg-deep); border-color: var(--accent-gold); }
.btn-primary:hover { background: transparent; color: var(--text-main); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; margin-top: 0.5rem; }

.home-menu { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 1rem; }
.menu-card {
    background: var(--bg-card);
    border: 1px solid rgba(212, 175, 106, 0.15);
    padding: clamp(1.5rem, 6vw, 2.5rem);
    border-radius: 6px;
    text-align: center;
    transition: all var(--transition-speed) ease;
}
.menu-card:hover { transform: translateY(-4px); border-color: var(--accent-gold); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.menu-card h2 { font-family: var(--font-heading); font-size: 2.2rem; margin-bottom: 0.75rem; color: #fff; }
.menu-card p { color: var(--text-muted); font-size: 1rem; line-height: 1.6; }

.quiz-progress-bar { width: 100%; height: 5px; background: rgba(255, 255, 255, 0.08); margin-bottom: 2.5rem; border-radius: 10px; overflow: hidden; }
.quiz-progress-fill { height: 100%; background: var(--accent-gold); width: 0%; transition: width 0.4s ease; }
.question-card h2 { font-size: 1.75rem; margin-bottom: 2rem; line-height: 1.4; font-weight: 500; text-align: center; }
.options-container { display: flex; flex-direction: column; gap: 1rem; }
.option-button {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    padding: clamp(0.9rem, 3.5vw, 1.25rem) clamp(1rem, 4.5vw, 1.75rem);
    text-align: left;
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 3vw, 1.1rem);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 6px;
}
.option-button:hover { border-color: var(--accent-gold); background: rgba(212, 175, 106, 0.06); transform: translateX(5px); }

.loading-container { text-align: center; padding: 5rem 0; }
.pulse-glow { width: 80px; height: 80px; border-radius: 50%; background: var(--accent-gold); margin: 0 auto 2rem; animation: pulse 1.2s infinite ease-in-out; }
@keyframes pulse {
    0%, 100% { transform: scale(0.85); opacity: 0.4; box-shadow: 0 0 20px var(--accent-gold); }
    50% { transform: scale(1.05); opacity: 1; box-shadow: 0 0 45px var(--accent-gold); }
}
.loading-container h3 { font-family: var(--font-heading); font-size: 1.8rem; letter-spacing: 1px; }

.reveal-layout-container { width: 100%; margin-bottom: 1rem; }
.reveal-wrapper {
    position: relative; background: var(--bg-card); border-radius: 12px; padding: clamp(1.75rem, 7vw, 3.5rem) clamp(1rem, 5vw, 2rem);
    text-align: center; border: 2px solid var(--accent-char); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6); overflow: hidden;
}
.particle-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.reveal-content { position: relative; z-index: 2; }

.portrait-frame {
    width: clamp(200px, 54vw, 310px); height: clamp(200px, 54vw, 310px); margin: 0 auto 1.25rem; border-radius: 50%; background: #070a14;
    border: 4px solid var(--accent-char); display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 35px var(--accent-char); overflow: hidden;
}
.portrait-frame.frame-sm { width: 130px; height: 130px; margin-bottom: 0.5rem; }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; }

.char-title { text-transform: uppercase; font-size: 0.85rem; letter-spacing: 4px; color: var(--accent-char); font-weight: 700; margin-bottom: 0.5rem; }
.char-name { font-family: var(--font-heading); font-size: 3.2rem; margin-bottom: 0.75rem; color: #fff; }
.char-tagline { font-style: italic; font-size: 1.1rem; color: var(--text-main); max-width: 520px; margin: 0 auto 1.5rem; line-height: 1.6; opacity: 0.95; }
.wellbeing-box { background: rgba(5, 7, 14, 0.6); border-left: 4px solid var(--accent-char); padding: 1.25rem; text-align: left; margin: 1.5rem 0; border-radius: 0 6px 6px 0; }
.wellbeing-box h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; color: var(--accent-char); margin-bottom: 0.5rem; }
.wellbeing-box p { font-size: 0.95rem; color: var(--text-main); line-height: 1.6; }
.audio-control-panel { margin-bottom: 1.5rem; }
.btn-audio { background: transparent; border: 1px solid var(--accent-char); color: var(--text-main); border-radius: 50px; padding: 0.5rem 1.5rem; font-size: 0.85rem; cursor: pointer; display: inline-flex; align-items: center; gap: 0.5rem; transition: all 0.3s ease; font-family: var(--font-body); }
.btn-audio:hover { background: rgba(255,255,255,0.05); transform: scale(1.03); }
.reveal-footer { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; margin-top: 1.5rem; color: var(--text-muted); font-size: 0.8rem; letter-spacing: 2px; }

.card-action-footer {
    width: 100%; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.06);
}
.card-action-footer .btn { margin-top: 0; }
.card-action-footer .action-cluster { margin-bottom: 0.75rem; }

.action-cluster-vertical { display: flex; flex-direction: column; gap: 0.5rem; width: 100%; }
.action-cluster { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; width: 100%; }

.vibe-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(4, 6, 12, 0.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    z-index: 9999; display: none; align-items: flex-start; justify-content: center;
    padding: 2.5rem 1rem; overflow-y: auto;
}
.vibe-modal-content { position: relative; width: 100%; max-width: clamp(260px, 85vw, 320px); display: flex; flex-direction: column; align-items: center; justify-content: center; margin: auto 0; }
.modal-close-btn { position: absolute; top: -35px; right: 0; background: transparent; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; opacity: 0.7; transition: opacity 0.2s ease; }
.modal-close-btn:hover { opacity: 1; }

.compact-vibe-card {
    width: 100%; min-height: 520px; background: #060912; border: 2px solid var(--accent-char);
    box-shadow: 0 25px 50px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.5);
    border-radius: 12px; padding: 2rem 1.25rem; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
}
.compact-portrait-container { width: clamp(150px, 42vw, 230px); height: clamp(150px, 42vw, 230px); border-radius: 50%; border: 4px solid var(--accent-char); overflow: hidden; margin-bottom: 1rem; box-shadow: 0 0 20px var(--accent-char); }
.compact-portrait-container img { width: 100%; height: 100%; object-fit: cover; }
.compact-name { font-family: var(--font-heading); font-size: 2.2rem; color: #fff; margin-bottom: 0.15rem; line-height: 1.1; }
.compact-title { text-transform: uppercase; font-size: 0.7rem; letter-spacing: 3px; color: var(--accent-char); font-weight: 700; margin-bottom: 1rem; }
.compact-tagline { font-style: italic; font-size: 0.9rem; color: var(--text-main); line-height: 1.45; opacity: 0.85; padding: 0 0.25rem; }

/* Duo Feature Specific Elements */
.duo-selection-zone { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; text-align: left; }
.duo-pick-box { background: rgba(5, 7, 14, 0.4); border: 1px solid rgba(255,255,255,0.05); padding: 1rem; border-radius: 6px; display: flex; flex-direction: column; }
.duo-pick-box label { font-size: 0.8rem; text-transform: uppercase; color: var(--accent-gold); letter-spacing: 1px; margin-bottom: 0.5rem; }
.duo-pick-box select { background: var(--bg-deep); border: 1px solid rgba(255,255,255,0.15); color: #fff; padding: 0.5rem; border-radius: 4px; font-family: var(--font-body); outline: none; }
.or-separator { text-align: center; font-size: 0.75rem; color: var(--text-muted); margin: 0.75rem 0; text-transform: uppercase; }

.duo-reveal-wrapper {
    position: relative; background: var(--bg-card); border-radius: 12px; padding: clamp(1.5rem, 6vw, 2.5rem) clamp(0.85rem, 4vw, 1.5rem);
    text-align: center; border: 2px solid var(--accent-gold); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6); overflow: hidden;
}
.duo-portraits-row { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.duo-portrait-item { display: flex; flex-direction: column; align-items: center; width: 130px; }
.duo-char-lbl-name { font-family: var(--font-heading); font-size: 1.4rem; color: #fff; margin-top: 0.25rem; }
.duo-vs-badge { font-size: 1.5rem; background: rgba(255,255,255,0.05); width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px dashed var(--accent-gold); color: var(--accent-gold); flex-shrink: 0; }
.compatibility-score-display { font-size: 1.2rem; font-weight: bold; margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 1px; color: var(--accent-gold); }

.toggle-container { display: inline-flex; background: var(--bg-deep); border-radius: 30px; padding: 3px; margin-bottom: 1.5rem; border: 1px solid rgba(255,255,255,0.08); }
.toggle-btn { background: transparent; border: none; color: var(--text-muted); padding: 0.5rem 1.25rem; border-radius: 20px; font-family: var(--font-body); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.toggle-btn.active { background: var(--accent-gold); color: var(--bg-deep); }

.verdict-card-box { background: rgba(5, 7, 14, 0.6); border-radius: 6px; padding: 1.25rem; min-height: 70px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; border: 1px solid rgba(255,255,255,0.05); }
.verdict-card-box p { font-size: 1.05rem; line-height: 1.5; font-style: italic; color: var(--text-main); }
.duo-reveal-footer { color: var(--text-muted); font-size: 0.75rem; letter-spacing: 1.5px; text-transform: uppercase; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.08); }

.app-utility-footer { margin-top: auto; padding-top: 3rem; text-align: center; }

.file-protocol-notice {
    font-size: 0.75rem; color: #e0a95a; background: rgba(224, 169, 90, 0.08);
    border: 1px solid rgba(224, 169, 90, 0.3); padding: 0.6rem 0.85rem; border-radius: 6px;
    margin: 0.75rem 0; line-height: 1.4; text-align: center;
}
.global-file-notice {
    width: 100%; max-width: 700px; margin: 0 auto 1.5rem; font-size: 0.8rem; padding: 0.75rem 1rem;
}

.toast-banner {
    position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(20px);
    background: var(--bg-card); border: 1px solid var(--accent-char); color: var(--text-main);
    padding: 0.85rem 1.5rem; border-radius: 8px; font-size: 0.85rem; max-width: 90vw; text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); z-index: 10000; opacity: 0; pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast-banner.visible { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* Tablet range: 481px-768px — checked against 600/768 real-device widths */
@media (min-width: 481px) and (max-width: 768px) {
    .view-section { max-width: 90%; }
    .reveal-wrapper { padding: 2.25rem 1.5rem; }
    .duo-reveal-wrapper { padding: 2rem 1.25rem; }
    .menu-card { padding: 2rem; }
    .home-menu { gap: 1.25rem; }
}

/* Phone range: checked against 360/390/414px real-device widths */
@media (max-width: 480px) {
    .view-section { max-width: 100%; }
    .reveal-wrapper { padding: 2rem 1rem; }
    .char-name { font-size: 2.5rem; }
    .action-cluster { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
    .menu-card { padding: 1.5rem; }
    .menu-card h2 { font-size: 1.8rem; }

    .compact-vibe-card { min-height: 460px; }

    .duo-portraits-row { gap: 0.65rem; }
    .duo-portrait-item { width: 100px; }
    .portrait-frame.frame-sm { width: 100px; height: 100px; }
    .duo-vs-badge { width: 36px; height: 36px; font-size: 1.1rem; }
    .duo-char-lbl-name { font-size: 1.1rem; }
}

/* Very narrow phones (e.g. iPhone SE): shrink duo row further to guarantee no clipping */
@media (max-width: 360px) {
    .duo-portraits-row { gap: 0.4rem; }
    .duo-portrait-item { width: 85px; }
    .portrait-frame.frame-sm { width: 85px; height: 85px; }
    .duo-vs-badge { width: 32px; height: 32px; font-size: 0.95rem; }
    .duo-char-lbl-name { font-size: 0.95rem; }
    .duo-reveal-wrapper { padding: 1.5rem 0.75rem; }
}