:root {
    --bg-dark: #0f0c1b;
    --bg-panel: rgba(25, 20, 40, 0.7);
    --border-ornate: #d4af37;
    --text-main: #f5f0e6;
    --text-dim: #a8a0b0;
    
    --card-bg: #1c1829;
    --card-border: #8a7040;
    --card-highlight: #ffdf73;
    
    --sword-color: #ff4d4d;
    --wand-color: #a855f7;
    --cup-color: #3b82f6;
    --pentacle-color: #fbbf24;
    
    --boss-color: #e11d48;
    --shield-color: #60a5fa;

    /* Dynamic sizing */
    --card-h: clamp(100px, 16vh, 170px);
    --card-w: calc(var(--card-h) * 0.65);
    
    --leyline-h: clamp(120px, 19vh, 200px);
    --leyline-w: calc(var(--leyline-h) * 0.65);
    
    --boss-h: clamp(150px, 22vh, 250px);
    --boss-w: calc(var(--boss-h) * 0.6);
}

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

body {
    font-family: 'Georgia', serif;
    background: radial-gradient(circle at 50% 0%, #2a1b38 0%, var(--bg-dark) 80%);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    width: 100%;
    max-width: 1600px;
    height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 0.5vh;
    padding: 1vh 2vw;
}

/* Glassmorphism Panels */
header, section, footer {
    background: var(--bg-panel);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: 1vh 1vw;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* TOP: Boss Area */
#target-area {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    border-top: 3px solid var(--boss-color);
}

.boss-card {
    text-align: center;
}

.boss-image-placeholder {
    width: var(--boss-w);
    height: var(--boss-h);
    margin: 0 auto 0.5vh auto;
    border: 2px solid var(--border-ornate);
    border-radius: 8px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
}

.boss-name {
    font-size: clamp(1.2rem, 3vh, 2rem);
    font-weight: bold;
    color: var(--border-ornate);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.boss-stats {
    display: flex;
    gap: 2rem;
    font-size: clamp(0.9rem, 1.8vh, 1.2rem);
    margin-bottom: 1rem;
}

.boss-hp { color: var(--sword-color); }
.doom-clock { color: #facc15; font-weight: bold; }
.boss-intent {
    margin-top: 0.5rem;
    font-size: clamp(0.8rem, 1.5vh, 1.1rem);
    color: var(--text-dim);
}

/* MIDDLE: Leyline */
#leyline-area {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.engine-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 2rem;
}

.player-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 1.2rem;
    font-weight: bold;
}
.player-stats .hp { color: var(--sword-color); }
.player-stats .shields { color: var(--shield-color); }
.player-stats .gold { color: var(--pentacle-color); }

.leyline-slots {
    display: flex;
    gap: 1vw;
    padding: 1vh;
    position: relative;
}

.leyline-slots::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(212,175,55,0.5), transparent);
    z-index: 0;
    pointer-events: none;
}

.leyline-slot {
    width: var(--leyline-w);
    height: var(--leyline-h);
    border: 2px dashed rgba(212, 175, 55, 0.4);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    transition: all 0.3s ease;
    background: rgba(0,0,0,0.3);
}

.leyline-slot.drag-over {
    border-color: var(--card-highlight);
    background: rgba(255, 223, 115, 0.1);
    transform: scale(1.05);
}

/* BOTTOM: Player Area */
#player-area {
    flex: 0 1 30vh;
    min-height: 0;
    display: flex;
    gap: 1vw;
}

.backpack-section, .shop-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.shop-section {
    flex: 0 0 35vw;
    border-left: 1px solid rgba(212, 175, 55, 0.2);
    padding-left: 1rem;
}

h2 {
    font-size: 1.2rem;
    color: var(--border-ornate);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    overflow-y: auto;
    padding: 0.5rem;
    align-content: flex-start;
    flex: 1;
}

/* Cards */
.card {
    width: var(--card-w);
    height: var(--card-h);
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 6px;
    cursor: grab;
    user-select: none;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    z-index: 1;
    transition: opacity 0.2s;
    border-radius: 4px;
}

.card:hover .card-bg {
    opacity: 0.6;
}

.card-overlay {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.9) 100%);
    border-radius: 4px;
}

.card:active {
    cursor: grabbing;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(212, 175, 55, 0.2);
}

.leyline-slot .card {
    width: 100%;
    height: 100%;
    margin: 0;
}

.card-header {
    display: flex;
    justify-content: space-between;
    font-size: clamp(0.7rem, 1.5vh, 0.9rem);
    font-weight: bold;
    text-shadow: 1px 1px 2px #000;
}

.card-suit { font-size: clamp(0.9rem, 1.8vh, 1.2rem); text-shadow: none; }
.card-value { font-size: clamp(0.8rem, 1.6vh, 1.1rem); }

.card-body {
    text-align: center;
    font-size: clamp(0.6rem, 1.2vh, 0.8rem);
    color: #fff;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 1px 1px 3px #000;
    font-weight: bold;
}

.card-cost {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pentacle-color);
    color: black;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.8rem;
    font-weight: bold;
    border: 1px solid #000;
    z-index: 3;
}

/* Suit colors */
.suit-Swords { color: var(--sword-color); border-color: rgba(255, 77, 77, 0.5); }
.suit-Wands { color: var(--wand-color); border-color: rgba(168, 85, 247, 0.5); }
.suit-Cups { color: var(--cup-color); border-color: rgba(59, 130, 246, 0.5); }
.suit-Pentacles { color: var(--pentacle-color); border-color: rgba(251, 191, 36, 0.5); }

/* Court Modifiers */
.court-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(212, 175, 55, 0.1) 100%);
    border-color: var(--border-ornate);
}

/* Buttons */
button {
    cursor: pointer;
    font-family: 'Georgia', serif;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.primary-btn {
    background: linear-gradient(to bottom, #d4af37, #b8860b);
    color: #000;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.primary-btn:hover {
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.8);
    transform: scale(1.05);
}

.primary-btn:disabled {
    background: #555;
    color: #888;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--border-ornate);
    color: var(--border-ornate);
    padding: 0.5rem 1rem;
}

.secondary-btn:hover {
    background: rgba(212, 175, 55, 0.1);
}

/* Animations */
@keyframes executePulse {
    0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7); transform: scale(1.05); }
    70% { box-shadow: 0 0 0 20px rgba(212, 175, 55, 0); transform: scale(1); }
    100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); transform: scale(1); }
}

.executing-slot {
    animation: executePulse 0.8s ease-out;
    border-color: var(--card-highlight);
}

/* Popups for damage/shields */
.popup-text {
    position: absolute;
    font-weight: bold;
    font-size: 1.5rem;
    pointer-events: none;
    animation: floatUp 1s ease-out forwards;
    z-index: 100;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

@keyframes floatUp {
    0% { opacity: 1; transform: translateY(0) scale(0.8); }
    20% { transform: translateY(-10px) scale(1.2); }
    100% { opacity: 0; transform: translateY(-40px) scale(1); }
}

.dmg-text { color: var(--sword-color); }
.shield-text { color: var(--shield-color); }
.gold-text { color: var(--pentacle-color); }
.status-text { color: var(--wand-color); }

/* --- NEW UI ELEMENTS --- */

/* Hidden Utility */
.hidden {
    display: none !important;
}

/* Main Menu Overlay */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, #2a1b38 0%, var(--bg-dark) 100%);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.menu-content {
    text-align: center;
    background: var(--bg-panel);
    padding: 3rem 5rem;
    border: 2px solid var(--border-ornate);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.menu-content h1 {
    font-size: 4rem;
    color: var(--border-ornate);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 4px;
}

.menu-content p {
    font-size: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.menu-btn {
    font-size: 1.5rem;
    padding: 1rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--bg-panel);
    border: 2px solid var(--border-ornate);
    border-radius: 12px;
    padding: 2rem;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    color: var(--text-main);
}

.modal-content h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-ornate);
    padding-bottom: 0.5rem;
}

.rules-text h3 {
    color: var(--card-highlight);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.rules-text ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.rules-text li {
    margin-bottom: 0.5rem;
}

.rules-text p {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

#btn-close-modal {
    margin-top: 2rem;
    width: 100%;
}

/* Health Bars */
.health-bar-container {
    position: relative;
    width: 300px;
    height: 24px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid #555;
    border-radius: 12px;
    overflow: hidden;
    margin: 0 auto;
}

.health-bar-container.small-bar {
    width: 200px;
    height: 20px;
}

.health-bar-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 0, 0, 0.2);
}

.health-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    transition: width 0.3s ease-out, background-color 0.3s;
}

.boss-hp-fill {
    background: linear-gradient(90deg, #8b0000, #ff4d4d);
}

.player-hp-fill {
    background: linear-gradient(90deg, #006400, #4ade80);
}

.health-bar-text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    font-weight: bold;
    color: white;
    text-shadow: 1px 1px 2px black;
    z-index: 2;
}

/* Sell Zone */
.backpack-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.backpack-header h2 {
    margin-bottom: 0;
}

.sell-zone {
    border: 2px dashed var(--pentacle-color);
    background: rgba(251, 191, 36, 0.1);
    color: var(--pentacle-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sell-zone.drag-over {
    background: rgba(251, 191, 36, 0.3);
    transform: scale(1.05);
}

/* Utility Buttons */
.utility-buttons {
    display: flex;
    gap: 1rem;
}

.utility-btn {
    background: transparent;
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.utility-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border-color: var(--text-main);
}

/* Poison Badge */
.boss-poison {
    color: var(--wand-color);
    font-weight: bold;
    animation: pulsePoison 2s infinite;
}

@keyframes pulsePoison {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; text-shadow: 0 0 10px var(--wand-color); }
    100% { transform: scale(1); opacity: 0.8; }
}