/* --- General Setup & Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&display=swap');

:root {
    /* zkVerify.io Color Palette */
    --bg-primary: #0A0A0A;       /* Near Black */
    --bg-secondary: #1E1E1E;   /* Dark Gray */
    --accent-primary: #8B5CF6;  /* Purple */
    --accent-secondary: #10B981; /* Green */
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA; /* Light Gray */
    
    /* zkVerify.io Fonts */
    --font-display: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Re-using accent-secondary for the green balance color */
    --green-light: var(--accent-primary);
}

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

body {
    font-family: var(--font-body);
    background-color: #FFFFFF;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
    background: radial-gradient(circle, #18181B 0%, var(--bg-primary) 100%);
}

#app-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* --- Header & Footer --- */
.main-header, .main-footer {
    text-align: center;
}

.main-header h1 {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3rem;
    color: var(--text-primary);
    text-shadow: 0 0 0px var(--accent-primary), 0 0 0px var(--accent-primary);
    letter-spacing: 0.05em;
}

.main-header p {
    color: var(--accent-primary);
    font-weight: 700;
}

.main-footer {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 1rem;
}

/* --- Wallet Bar --- */
.wallet-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #000;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--bg-secondary);
}

#wallet-address {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.connect-button {
    background: var(--accent-primary);
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s;
}
.connect-button:hover {
    background: #7C3AED;
}

/* --- Slot Machine Case --- */
.slot-machine {
    background: linear-gradient(145deg, #27272A, #18181B);
    border-radius: 2rem;
    padding: 1.5rem;
    border: 1px solid var(--bg-secondary);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5), inset 0 1px 2px rgba(255,255,255,0.05);
}

/* --- Display Panel (Balance/Bet) --- */
.display-panel {
    display: flex;
    justify-content: space-between;
    background: #000;
    border-radius: 1rem;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
    gap: 1rem;
}

.display-box {
    text-align: center;
    flex-grow: 1;
}

.display-box span {
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.display-box p {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--green-light);
    line-height: 1.2;
    font-weight: 700;
}

.display-box:last-child p {
    color: var(--text-primary);
}


/* --- Reels & Message --- */
.reel-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    background-color: #000;
    border: 2px solid var(--bg-secondary);
    padding: 1rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.8);
}
.reel {
    height: 120px;
    background-color: var(--bg-primary);
    border-radius: 0.5rem;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.reel-symbol {
    font-size: 4.5rem;
    line-height: 1;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
    animation: appear 0.5s ease-out;
}
@keyframes appear {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}
.reel.spinning .reel-content {
    animation: spin 0.15s linear infinite;
}
@keyframes spin {
    0%   { transform: translateY(calc(-100% + 120px)); }
    100% { transform: translateY(0); }
}
.message-container {
    min-height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.5rem;
}
.message-box {
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease-out;
}
.message-box.show {
    opacity: 1;
    transform: translateY(0);
}
.message-box.win { color: var(--green-light); }
.message-box.lose { color: var(--text-secondary); }
.message-box.jackpot {
    color: var(--accent-primary);
    animation: jackpot-glow 1.5s ease-in-out infinite;
}
@keyframes jackpot-glow {
    0%, 100% { text-shadow: 0 0 8px var(--accent-primary), 0 0 16px var(--accent-primary); }
    50% { text-shadow: none; }
}

/* --- Spin Button --- */
.spin-button {
    width: 100%;
    background: var(--accent-primary);
    color: white;
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    font-weight: 700;
    border: none;
    border-radius: 0.75rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.15s ease-out;
    margin-top: 1.5rem;
    border-bottom: 4px solid #6D28D9;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.spin-button:hover:not(:disabled) {
    background: #7C3AED;
}
.spin-button:active:not(:disabled) {
    transform: translateY(2px);
    border-bottom-width: 2px;
}
.spin-button:disabled {
    background: #3F3F46;
    cursor: not-allowed;
    border-bottom-color: #27272A;
    opacity: 0.6;
}

/* --- Economy Panel --- */
.economy-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}
.economy-box {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid #27272A;
    text-align: center;
}
.economy-box h3 {
    font-family: var(--font-display);
    margin-bottom: 0.25rem;
    color: var(--accent-primary);
    font-weight: 700;
}
.economy-box p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
.input-group {
    display: flex;
}
.input-group input {
    width: 100%;
    background-color: #0A0A0A;
    border: 1px solid #3F3F46;
    border-radius: 0.5rem 0 0 0.5rem;
    padding: 0.5rem;
    color: var(--text-primary);
    font-family: monospace;
}
.input-group button {
    background-color: var(--accent-primary);
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s;
}
.input-group button:hover:not(:disabled) {
    background-color: #7C3AED;
}
.input-group button:disabled {
    background-color: #3F3F46;
    cursor: not-allowed;
    opacity: 0.6;
}

/* --- FAQ Styles --- */
.faq-container {
    margin-top: 2rem;
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid #27272A;
}
.faq-container h2 {
    font-family: var(--font-display);
    text-align: center;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}
.faq-item {
    border-bottom: 1px solid #27272A;
    padding: 1rem 0;
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-item summary {
    font-weight: 700;
    cursor: pointer;
    list-style: none; /* Remove default marker */
    position: relative;
    padding-right: 2rem;
}
.faq-item summary::-webkit-details-marker {
    display: none; /* Hide for Chrome */
}
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: transform 0.2s;
}
.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}
.faq-item p {
    margin-top: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}