@import url('https://fonts.googleapis.com/css2?family=Tenor+Sans&display=swap');

@font-face {
    font-family: 'Eckmann';
    src: url('assets/fonts/Eckmann.ttf') format('truetype'),
         url('Eckmann.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Warm Alabaster & Oatmeal (Modern Everyday Fine) */
    /* 60% Base: Alabaster White */
    --bg-main: #FAF8F5;
    
    /* 30% Surface: Warm Oatmeal */
    --bg-secondary: #F2EBE3;
    --bg-panel: #F2EBE3;
    --bg-card: #F2EBE3;
    --bg-card-hover: #ECE4DA;
    
    /* Text / Ink: Soft Onyx (avoids harsh #000000) */
    --text-primary: #1F1D1B;
    --text-light: #1F1D1B;
    --text-secondary: #5C5651;
    --text-muted: #8C847D;
    --text-dark: #1F1D1B;
    
    /* 10% Accent: Champagne Gold */
    --accent-gold: #B8976C;
    --accent-gold-hover: #9F7E55;
    --accent-gold-light: #DFCEB8;
    --accent-teal: #B8976C; /* Maps legacy teal tokens to Champagne Gold */
    --accent-red: #B8976C;  /* Maps legacy red tokens to Champagne Gold */
    --accent-red-hover: #9F7E55;
    --accent-red-light: #DFCEB8;
    
    /* Alert / Error: Warm Terracotta */
    --accent-error: #B35446;
    
    /* Conversion Tip: Solid #1F1D1B primary button for strong visual contrast */
    --btn-primary-bg: #1F1D1B;
    --btn-primary-text: #FAF8F5;
    --btn-primary-hover: #B8976C;
    
    /* Typography */
    --font-heading: 'Eckmann', 'Cabin', serif;
    --font-body: 'Tenor Sans', 'Actor', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-jewelry: 'Tenor Sans', 'Actor', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Borders & Shadows */
    --border-color: #E2D9CE;
    --border-light: rgba(184, 151, 108, 0.25);
    --shadow-sm: 0 2px 8px rgba(31, 29, 27, 0.04);
    --shadow-md: 0 6px 20px rgba(31, 29, 27, 0.07);
    --shadow-lg: 0 12px 36px rgba(31, 29, 27, 0.12);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    letter-spacing: 0.48px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .title {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h2 {
    font-size: 1.75em;
    font-weight: 900;
}

.screen {
    display: none;
    min-height: 100vh;
    padding: 6.5rem 2rem 2.5rem;
    background-color: var(--bg-main);
}

.screen.active {
    display: flex;
    flex-direction: column;
}

#splash-screen.active {
    justify-content: center;
    align-items: center;
    background: 
        linear-gradient(rgba(250, 248, 245, 0.82), rgba(242, 235, 227, 0.94)),
        url('map.jpg') center/cover;
}

#game-screen.active {
    background: 
        linear-gradient(rgba(250, 248, 245, 0.88), rgba(242, 235, 227, 0.95)),
        url('sunken_acropolis.jpg') center/cover fixed;
}

/* Panels */
.glass-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    width: 100%;
}

/* Top Fixed Navigation */
#main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 70px;
    padding: 0.6rem 2.5rem;
    background: rgba(250, 248, 245, 0.96);
    backdrop-filter: blur(16px);
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1.5px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: nowrap;
    margin: 0;
}

.nav-btn {
    width: auto !important;
    margin: 0 !important;
    padding: 0.45rem 1.15rem !important;
    font-size: 0.88rem !important;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: normal;
    letter-spacing: 0.6px;
}

.nav-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.nav-btn-cart {
    background: var(--btn-primary-bg) !important;
    color: var(--btn-primary-text) !important;
    font-weight: bold !important;
    position: relative;
    border: 1.5px solid var(--btn-primary-bg) !important;
}

.nav-btn-cart:hover {
    background: var(--accent-gold) !important;
    color: var(--btn-primary-text) !important;
    border-color: var(--accent-gold) !important;
    box-shadow: 0 4px 14px rgba(184, 151, 108, 0.3) !important;
}

.nav-btn-logout {
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

.nav-btn-logout:hover {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--accent-gold) !important;
}

.glass-header {
    background: var(--bg-secondary);
    border-bottom: 1.5px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

/* Typography Helpers */
.text-center { text-align: center; }
.title { font-size: 3em; margin-bottom: 0.5rem; letter-spacing: 1.5px; }
.subtitle { font-size: 1.25em; color: var(--text-secondary); margin-bottom: 2.5rem; }

/* Buttons */
button {
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.25s ease-in-out;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.95em;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* Conversion Tip: Solid #1F1D1B Primary Button */
.primary-btn {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    padding: 12px 30px;
    min-height: 44px;
    border: 1.5px solid var(--btn-primary-bg);
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.primary-btn:hover {
    background: var(--accent-gold);
    color: #FAF8F5;
    border-color: var(--accent-gold);
    box-shadow: 0 4px 14px rgba(184, 151, 108, 0.35);
    transform: translateY(-1px);
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
    padding: 10px 24px;
    border-radius: 4px;
}

.secondary-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Form Controls */
input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
    background: #FFFFFF !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
    padding: 0.8rem;
    font-family: inherit;
    box-sizing: border-box;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted) !important;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent-gold) !important;
    outline: none;
    box-shadow: 0 0 0 3px rgba(184, 151, 108, 0.2) !important;
}

/* Game Area */
.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    background: transparent;
    position: relative;
    padding-bottom: 2rem;
    z-index: 10;
}

.instructions {
    font-size: 1.1em;
    color: var(--text-secondary);
}

#refresh-oysters-btn {
    border-radius: 4px;
    transition: all 0.25s ease;
    border: 1.5px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

#refresh-oysters-btn:hover {
    box-shadow: 0 4px 12px rgba(184, 151, 108, 0.3);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-1px);
}

.oyster-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-end;
    align-content: flex-end;
    width: 100%;
    max-width: 800px;
    padding: 2rem;
    margin-top: auto;
}

.oyster {
    width: 140px;
    height: 140px;
    background: url('oyster image.png') center/cover;
    border-radius: 40% 60% 50% 50% / 60% 40% 60% 40%;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(184, 151, 108, 0.3);
    box-shadow: inset -10px -10px 20px rgba(0,0,0,0.5), 0 8px 20px rgba(31, 29, 27, 0.15);
    margin: -15px;
    transform: rotate(calc(var(--rot, 0) * 1deg));
}

.oyster:nth-child(even) { transform: rotate(15deg); }
.oyster:nth-child(3n) { transform: rotate(-20deg) scale(0.9); }
.oyster:nth-child(5n) { transform: rotate(25deg) scale(1.1); margin-top: 10px; }

.oyster:hover {
    transform: translateY(-10px) scale(1.1);
    border-color: var(--accent-gold);
    box-shadow: 0 12px 28px rgba(184, 151, 108, 0.35);
    z-index: 5;
}

.oyster.opened {
    background: #3A3530;
    pointer-events: none;
    transform: scale(0.95);
    border-color: #554E46;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.7);
    background-image: none !important;
}

.oyster.opened::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: var(--pearl-size, 30%); height: var(--pearl-size, 30%);
    background: var(--pearl-bg, radial-gradient(circle at 30% 30%, #ffffff, #e0d5c1));
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4), inset -2px -2px 5px rgba(0,0,0,0.15);
    animation: pearlReveal 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.oyster.opened.two-pearls::before {
    content: '';
    position: absolute;
    top: 50%; left: 35%;
    transform: translate(-50%, -50%);
    width: var(--pearl-size, 26%); height: var(--pearl-size, 26%);
    background: var(--pearl-bg, transparent);
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4), inset -2px -2px 5px rgba(0,0,0,0.15);
    animation: pearlReveal 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
}

.oyster.opened.two-pearls::after {
    left: 65%;
    width: var(--pearl-size-2, 26%); height: var(--pearl-size-2, 26%);
}

/* Modals */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(31, 29, 27, 0.65);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal:not(.hidden) {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-secondary);
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--accent-gold);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}

.modal:not(.hidden) .modal-content {
    transform: translateY(0);
}

.pearl-visual {
    width: 100px;
    height: 100px;
    margin: 2rem auto;
    border-radius: 50%;
    background: var(--pearl-bg, radial-gradient(circle at 30% 30%, #ffffff, #e0d5c1));
    box-shadow: 0 4px 15px rgba(31, 29, 27, 0.2);
}

.pearl-details {
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: left;
}

.pearl-stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.pearl-stat-label { color: var(--accent-gold); font-weight: bold; }

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Collection Grid */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
    width: 100%;
}

.collection-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.collection-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-md);
}

.collection-item .pearl-visual {
    width: 60px; height: 60px;
    margin: 0 auto 1rem auto;
}

.item-title {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1em;
}

.item-price {
    color: var(--accent-gold);
    font-weight: bold;
    font-size: 1.25em;
    margin-top: 1rem;
}

.action-btn {
    width: 100%;
    margin-top: 1rem;
    padding: 10px 14px;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 1.5px solid var(--btn-primary-bg);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    border-radius: 4px;
    transition: all 0.25s ease;
}

.action-btn:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: #FAF8F5;
    box-shadow: 0 4px 14px rgba(184, 151, 108, 0.35);
}

.empty-state {
    text-align: center;
    padding: 4rem;
    color: var(--text-muted);
    font-size: 1.1em;
}

.hidden { display: none !important; }

/* Animations */
@keyframes pearlReveal {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* Centered Oyster Animation */
#opening-overlay {
    background: rgba(31, 29, 27, 0.85);
    backdrop-filter: blur(10px);
    perspective: 1000px;
}

#centered-oyster-container {
    position: relative;
    width: 300px;
    height: 300px;
}

#centered-oyster {
    position: relative;
    z-index: 5;
    width: 100%;
    height: 100%;
    margin: 0;
    box-shadow: inset -15px -15px 30px rgba(0,0,0,0.5), 0 16px 36px rgba(31, 29, 27, 0.35);
    background: url('oyster image.png') center/cover;
    border-radius: 40% 60% 50% 50% / 60% 40% 60% 40%;
    border: 3px solid rgba(184, 151, 108, 0.4);
}

@keyframes riseAndSpin {
    0% { transform: translateY(500px) scale(0.5) rotateY(0deg) rotateZ(0deg); opacity: 0; }
    50% { transform: translateY(0px) scale(1.1) rotateY(720deg) rotateZ(180deg); opacity: 1; }
    100% { transform: translateY(0px) scale(1) rotateY(1440deg) rotateZ(360deg); opacity: 1; }
}

#centered-oyster.spinning {
    animation: riseAndSpin 2s ease-out forwards;
}

#centered-oyster.opened {
    background: #3A3530;
    background-image: none !important;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.7);
    border-color: #554E46;
}

#centered-oyster.opened::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: var(--pearl-size, 30%); height: var(--pearl-size, 30%);
    background: var(--pearl-bg, radial-gradient(circle at 30% 30%, #ffffff, #e0d5c1));
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5), inset -2px -2px 5px rgba(0,0,0,0.15);
    animation: pearlReveal 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#centered-oyster.opened.two-pearls::before {
    content: '';
    position: absolute;
    top: 50%; left: 35%;
    transform: translate(-50%, -50%);
    width: var(--pearl-size, 26%); height: var(--pearl-size, 26%);
    background: var(--pearl-bg, transparent);
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5), inset -2px -2px 5px rgba(0,0,0,0.15);
    animation: pearlReveal 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
}

#centered-oyster.opened.two-pearls::after {
    left: 65%;
    width: var(--pearl-size-2, 26%); height: var(--pearl-size-2, 26%);
}

/* ==========================================================================
   Jewelry & Editorial Typography (3 Golden Rules)
   Rule 1. Subtle Letter-Spacing (Tracking): 0.02em (elevates standard sans into refined editorial)
   Rule 2. Uniform Lining Numerals: font-variant-numeric: lining-nums proportional-nums
   Rule 3. Relaxed Line-Height: 1.68 (calm, unhurried cadence for luxury experience)
   ========================================================================== */
.jewelry-typography,
.jewelry-desc,
.pearl-desc,
.item-subtitle,
#product-modal-desc,
#checkout-picks-disclosure,
.picks-guarantee-text,
.oyster-bed-guarantee-banner,
.modal-disclosure-banner,
.pearl-details,
.pearl-stat {
    font-family: var(--font-jewelry);
    letter-spacing: 0.02em;
    font-variant-numeric: lining-nums proportional-nums;
    line-height: 1.68;
}

.pearl-desc {
    font-family: var(--font-jewelry);
    letter-spacing: 0.02em;
    font-variant-numeric: lining-nums proportional-nums;
    line-height: 1.68;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

#product-modal-desc {
    font-family: var(--font-jewelry);
    letter-spacing: 0.02em;
    font-variant-numeric: lining-nums proportional-nums;
    line-height: 1.68;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

#checkout-picks-disclosure {
    font-family: var(--font-jewelry);
    letter-spacing: 0.02em;
    font-variant-numeric: lining-nums proportional-nums;
    line-height: 1.68;
}

.modal-disclosure-banner {
    font-family: var(--font-jewelry);
    letter-spacing: 0.02em;
    font-variant-numeric: lining-nums proportional-nums;
    line-height: 1.68;
}

select option,
select {
    font-variant-numeric: lining-nums proportional-nums;
    letter-spacing: 0.015em;
}

/* ==========================================================================
   Jewelry Names Typography (Tenor Sans & 3 Golden Rules)
   ========================================================================== */
.item-title,
#product-modal-title,
.jewelry-name,
#store-grid .item-title,
#jewelry-grid .item-title,
.collection-item .item-title {
    font-family: var(--font-jewelry) !important;
    letter-spacing: 0.02em !important;
    font-variant-numeric: lining-nums proportional-nums !important;
    line-height: 1.45 !important;
    text-transform: none !important;
    font-weight: 600;
}

#product-modal-title {
    font-family: var(--font-jewelry) !important;
    letter-spacing: 0.02em !important;
    font-variant-numeric: lining-nums proportional-nums !important;
    line-height: 1.35 !important;
    text-transform: none !important;
    font-size: 1.6rem;
    font-weight: 600;
}

#checkout-cart-summary span {
    font-family: var(--font-jewelry);
    letter-spacing: 0.02em;
    font-variant-numeric: lining-nums proportional-nums;
}