.top-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px auto;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
    margin-bottom: 12px;
    text-align: center;
}

.pearl-inputs {
    max-width: 300px; 
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.pearl-inputs > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

@media (min-width: 600px) {
    .top-container {
        max-width: 600px;
    }
    
    .pearl-inputs {
        max-width: 600px;
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: 20px;
    }
    
    .pearl-inputs > div {
        flex: 1;
        min-width: 0;
    }
}

@media (min-width: 600px) {
    .container.top-container {
        max-width: 650px;
		margin-top: 20px;
        margin-left: auto;
        margin-right: auto;
    }
}

.main-containers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 0;
    width: 100%;
    padding: 15px 15px;
    box-sizing: border-box;
}

.main-containers .container {
    margin: 0;
    max-width: 300px;
    width: 100%;
    display: block;
}

@media (min-width: 900px) {
    body.dark-ui {
        text-align: center;
    }
    
    .main-containers {
        flex-direction: row;
        justify-content: center;
        align-items: flex-start;
        gap: 32px;
        padding: 0;
    }
    
    .main-containers .container {
        margin: 30px 0 0 0;
        max-width: 320px;
        display: block;
    }
}

body.dark-ui {
    background: #181a20;
    color: #e0e0e0;
    font-family: 'Segoe UI', 'Arial', sans-serif;
    min-height: 100vh;
    margin: 0;
}

.container {
    max-width: 300px;
    margin: 30px auto;
    background: #23262f;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.6);
    padding: 32px 24px;
    display: block;
}

.title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: #f5c542;
    letter-spacing: 1px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid #444;
    background: #181a20;
    color: #e0e0e0;
    font-size: 1rem;
    box-sizing: border-box;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield; /* Firefox */
    appearance: textfield;
}

select {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid #444;
    background: #181a20;
    color: #e0e0e0;
    font-size: 1rem;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23f5c542" height="20" viewBox="0 0 20 20" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px 20px;
    transition: border-color 0.2s;
}

select:focus {
    border-color: #f5c542;
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    background: #f5c542;
    color: #23262f;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 20px;
    transition: background 0.2s;
}

button:hover {
    background: #ffd700;
}

.results {
    background: #181a20;
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.result-item {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #f5c542;
}

/* Bottom panels grid styles */
.bottom-panels {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    padding: 16px;
}

@media (min-width: 900px) {
    .bottom-panels {
        flex-direction: row;
        justify-content: center;
        gap: 32px;
    }
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 8px;
}

.grid-button {
    width: 100%;
    aspect-ratio: 1 / 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #181a20;
    color: #e0e0e0;
    border: 1px solid #3a3d46;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    user-select: none;
    transition: box-shadow 0.12s ease, transform 0.08s ease, border-color 0.12s ease;
}

.grid-button:hover {
    transform: translateY(-2px);
}

.grid-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(245,197,66,0.12);
}

.grid-button.selected {
    border-color: #f5c542;
    box-shadow: 0 0 18px rgba(245,197,66,0.9), inset 0 0 10px rgba(245,197,66,0.15);
    color: #23262f;
    background: linear-gradient(180deg,#ffd86b,#f5c542);
}

.grid-button.auto-selected {
    border-color: #4ade80;
    box-shadow: 0 0 18px rgba(74,222,128,0.85), inset 0 0 10px rgba(74,222,128,0.12);
    color: #042a11;
    background: linear-gradient(180deg,#bbf7d0,#86efac);
}

/* Make container wider for grids */
.bottom-panels .container {
    max-width: 680px;
    width: 100%;
}

.bottom-panels .container .title {
    margin-bottom: 6px;
}