/* Global Reset and Base Styles */
* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    margin: 0;
    background-color: #eae59f; /* Desktop background */
    overflow: hidden; /* Prevent body scroll, handle inside frame */
}

/* 
   Frame Mapping:
   Main container for the app.
*/
.frame {
    width: 100%;
    height: 100vh;
    height: 100dvh; /* Modern mobile support */
    max-width: 600px; /* Constrain width on tablets/desktop */
    background-color: rgb(235, 230, 157);
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* 
   Header Mapping:
*/
.header-text {
    font-size: clamp(1.5rem, 4vh, 2rem);
    font-weight: bold;
    text-align: center;
    margin: 10px 0;
    color: #333;
    user-select: none;
    flex-shrink: 0;
}
#subtitle {
    text-align: center  ;
    padding: 0%;
    margin-top: 0%;

}
/*
   Reveal Panel Mapping:
*/
#reveal-panel {
    background-color: white;
    width: 90%;
    margin: 0 auto 10px auto;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    flex-shrink: 0;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.4;
    flex-direction: column;
}

/*
   Scrollable Game Area:
   Wraps rows and submit button to allow scrolling on small screens
   while keeping header/keyboard fixed.
*/
.game-scroll-area {
    flex-grow: 1;
    overflow-y: auto;
    padding-bottom: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/*
   Row Container Logic
*/
.game-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
    width: 100%;
    padding: 0 5px;
}

.game-row.disabled {
    opacity: 0.6;
    pointer-events: none;
}

/*
   Row Controls Mapping:
*/
.choice {
    flex: 2;
    max-width: 100px;
    height: 40px;
    margin-right: 4px;
    font-size: 16px; /* Prevent iOS zoom */
}

.text-ctrl {
    width: 40px;
    height: 40px;
    text-align: center;
    margin-right: 4px;
    font-size: 18px;
    border: 1px solid #888;
    border-radius: 4px;
    background: white;
    padding: 0;
}

/* Remove right margin from last input */
.text-ctrl:last-child {
    margin-right: 0;
}

.static-text-sep {
    font-weight: bold;
    margin-right: 4px;
    user-select: none;
}

/*
   Submit Button
*/
#submit {
    width: 90%;
    margin: 10px auto;
    padding: 15px;
    flex-shrink: 0;
}

/*
   Keyboard Panel Mapping:
   Fixed at bottom
*/
.keyboard-panel {
    background-color: rgb(200, 100, 50);
    padding: 10px;
    width: 100%;
    height: 25vh; /* Responsive height */
    min-height: 160px;
    max-height: 250px;
    flex-shrink: 0;
    padding-bottom: max(10px, env(safe-area-inset-bottom)); /* Handle iPhone Home Bar */
}

.keys-sizer-horizontal {
    display: flex;
    flex-direction: row;
    height: 100%;
    gap: 6px;
}

.key-column {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 6px;
}

/*
   Key Button Mapping:
*/
.button {
    color: rgb(235, 230, 157);
    background-color: rgb(200, 100, 50);
    font-weight: bold;
    border: none;
    font-size: 16px;
    cursor: pointer;
    flex: 1;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: filter 0.1s;
    box-shadow: 0 2px 0 rgba(0,0,0,0.1);
}

/* Specific styling for submit button to stand out against background */
#submit.button {
    background-color: rgb(200, 100, 50);
    color: rgb(235, 230, 157);
    font-size: 18px;
}

.button:active {
    filter: brightness(0.9);
    transform: translateY(1px);
}
#view {
    background-color: white;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Small Screen Adjustments */
@media (max-width: 360px) {
    .text-ctrl {
        width: 34px;
        font-size: 16px;
    }
    .choice {
        max-width: 80px;
    }
    .header-text {
        font-size: 1.5rem;
    }
}