:root {
    --primary-bg: #87CEEB;
    /* Sky blue base */
    --gradient-top: #E0F7FA;
    --gradient-bottom: #81D4FA;
    --accent-gold: #FFD700;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --slot-bg: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.2);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--gradient-top) 0%, var(--gradient-bottom) 100%);
    min-height: 100vh;
    color: var(--text-dark);
    overflow: hidden;
    /* Prevent scroll during animations if possible */
}

.app-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    position: relative;
}

/* Header */
.main-header {
    text-align: center;
    margin-top: 4vh;
    margin-bottom: 2vh;
    z-index: 10;
}

.event-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    margin: 0;
    letter-spacing: -1px;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin: 0.5rem 0 0 0;
    letter-spacing: 1px;
}

/* Draw Area */
.draw-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.slot-machine {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(8px);
    margin-bottom: 40px;
}

.slot-box {
    width: 120px;
    height: 160px;
    background: var(--slot-bg);
    border-radius: 10px;
    border: 4px solid #fff;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.1), 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    font-size: 8rem;
    font-weight: bold;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Digit Strip for Animation */
.digit-strip {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /* No transition by default to allow instant reset for infinite loop effect */
    will-change: transform;
}

.digit-box {
    width: 100%;
    /* Height must be exactly match parent .slot-box height */
    height: 160px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

/* Add a class when we want to animate smoothly */
.spinning {
    transition: transform 3s cubic-bezier(0.1, 0.7, 0.1, 1);
}

.draw-button {
    padding: 15px 60px;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-dark);
    background: var(--accent-gold);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
}

.draw-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.draw-button:active {
    transform: translateY(1px);
}

.draw-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

/* History Panel */
.history-panel {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 250px;
    max-height: 70vh;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.history-panel h3 {
    margin-top: 0;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    text-align: center;
}

#history-list {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex: 1;
}

#history-list li {
    padding: 10px;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
}

#history-list li:first-child {
    background: rgba(255, 215, 0, 0.2);
    border-radius: 5px;
}

.history-controls {
    margin-top: 20px;
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.control-group {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    color: #555;
}

#max-number-input {
    width: 60px;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    text-align: center;
}

.small-btn {
    background: transparent;
    border: 1px solid #999;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    color: #666;
}

.small-btn:hover {
    background: #eee;
}

@media (max-width: 768px) {
    .history-panel {
        display: none;
        /* Hide history on small screens or make it a drawer */
    }
}