/* ----------------------------------------------------
   CODE VISUALIZER SPECIFIC STYLING
   ---------------------------------------------------- */

.visualizer-page {
    background-color: var(--bg-paper);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto; /* Page remains scrollable so the footer can be scrolled to if necessary */
}

.visualizer-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    height: 100vh; /* Fill the whole screen height now that header is gone */
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    overflow: hidden; /* Prevent visualizer container itself from scrolling */
    flex-shrink: 0;
}

/* RTL Layout swap */
html[dir="rtl"] .visualizer-container {
    flex-direction: row-reverse;
}

/* Left Column: Editor on top, Variables Stack at bottom */
.visualizer-left-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 420px; /* Width for editor and variable stack column */
    flex-shrink: 0;
    height: 100%;
}

.visualizer-left-column .panel-editor-area {
    flex-grow: 7; /* Taller editor */
    height: 0;
    min-height: 0;
}

.visualizer-left-column .panel-variables-stack {
    flex-grow: 3; /* Stack takes rest */
    height: 0;
    min-height: 0;
}

/* Right Column: Visualizer panel takes remaining screen width and 100% height */
.visualizer-right-column-container {
    flex-grow: 1;
    height: 100%;
    min-width: 0;
}

.visualizer-right-column-container .panel-visual-arena {
    height: 100%;
    width: 100%;
}

/* Back to Home Button floating on the top-right */
.btn-back-home {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: var(--color-ink);
    color: white;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    padding: 6px 12px;
    text-decoration: none;
    border: 2px solid white;
    border-radius: 4px;
    box-shadow: 3px 3px 0px var(--color-crimson);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 20;
}

html[dir="rtl"] .btn-back-home {
    right: auto;
    left: 12px;
}

.btn-back-home:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px var(--color-crimson);
}

/* Floating Control Pill centered at the bottom of the visualizer arena */
.visualizer-actions-floating {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-ink);
    border: var(--border-manga);
    padding: 8px 18px;
    border-radius: 50px; /* Pill shape */
    box-shadow: 4px 4px 0px var(--color-crimson);
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visualizer-actions-floating .execution-controls {
    display: flex;
    gap: 12px;
}

.visualizer-actions-floating .btn-secondary {
    background-color: white;
    color: var(--color-ink);
    border: 2px solid var(--color-ink);
    padding: 8px 12px;
    font-size: 15px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: none;
    transition: transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visualizer-actions-floating .btn-secondary:hover:not(:disabled) {
    transform: scale(1.1);
    background-color: var(--color-light-gray);
}

/* 3. Editor Panel */
.panel-editor-area {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.panel-editor-area .panel-inner {
    padding: 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 5px;
    margin-bottom: 10px;
    gap: 15px;
    flex-wrap: wrap;
}

.lang-selector {
    display: flex;
    border: var(--border-manga-thin);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 3px 3px 0px var(--color-ink);
}

.btn-lang-tab {
    background: white;
    border: none;
    padding: 8px 16px;
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 13px;
    color: var(--color-ink);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.btn-lang-tab.active {
    background: var(--color-ink);
    color: white;
}

.preset-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.preset-selector-wrapper label {
    font-size: 13px;
    font-weight: 700;
}

.preset-select {
    border: var(--border-manga-thin);
    padding: 8px 12px;
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 13px;
    background: white;
    box-shadow: 3px 3px 0px var(--color-ink);
    border-radius: 6px;
    outline: none;
    cursor: pointer;
}

/* Parameter Input Fields Bar */
.param-inputs-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.param-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.param-field label {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.param-input {
    border: var(--border-manga-thin);
    padding: 9px 12px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    font-weight: 600;
    background: #fffdf7;
    color: var(--color-ink);
    border-radius: 6px;
    box-shadow: 3px 3px 0px var(--color-ink);
    outline: none;
    transition: box-shadow 0.2s, border-color 0.2s;
    direction: ltr !important;
    text-align: left !important;
}

.param-input:focus {
    border-color: var(--color-crimson);
    box-shadow: 3px 3px 0px var(--color-crimson), 0 0 0 2px rgba(220, 38, 38, 0.15);
}

.param-input::placeholder {
    color: #aaa;
    font-weight: 400;
}

.param-input-small {
    max-width: 100px;
}

.param-field.hidden {
    display: none;
}

/* Readonly code textarea visual indicator */
#code-input[readonly] {
    cursor: default;
    opacity: 0.85;
}

.editor-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: row; /* Force LTR row order */
    direction: ltr !important;
    text-align: left !important;
    border: var(--border-manga);
    background-color: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: 4px 4px 0px var(--color-ink);
    margin-bottom: 12px;
    height: 0;
    min-height: 0;
}

.line-numbers {
    padding: 12px 8px;
    background-color: #151515;
    color: #666;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    text-align: right;
    user-select: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-right: 1px solid #333;
    border-left: none; /* Align to left side in LTR */
    min-width: 36px;
    direction: ltr !important;
}

.line-numbers span.active-line {
    color: var(--color-crimson);
    font-weight: bold;
}

#code-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 12px;
    color: #f8f8f2;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 20px;
    resize: none;
    white-space: pre;
    overflow-x: auto;
    overflow-y: auto;
    tab-size: 4;
    direction: ltr !important;
    text-align: left !important;
}

/* Visualizer Controls */
.visualizer-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    margin-bottom: 0px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.visualizer-actions .btn-be-cool {
    padding: 12px 24px;
    font-size: 15px;
    border-radius: 6px;
}

.execution-controls {
    display: flex;
    gap: 10px;
}

.execution-controls .btn-secondary {
    padding: 10px 14px;
    font-size: 16px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 3px 3px 0px var(--color-ink);
}

.execution-controls .btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: 1px 1px 0px var(--color-ink) !important;
}

.sim-status-box {
    background-color: #fffbeb;
    border: var(--border-manga-thin);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    color: #854d0e;
    box-shadow: 2px 2px 0px var(--color-ink);
    margin-top: 10px;
    margin-bottom: 5px;
}

/* 4. Battlefield Layout */
/* Variables Stack Column */
.panel-variables-stack {
    width: 100%;
    height: 100%;
}

.panel-variables-stack .panel-inner {
    padding: 16px;
    background: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.screentone-bg {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(0, 0, 0, 0.03) 1.2px, transparent 0);
    background-size: 8px 8px;
    pointer-events: none;
    z-index: 1;
}

.variables-list {
    margin-top: 15px;
    display: flex;
    flex-direction: column; /* Vertical list for stack variables */
    gap: 12px;
    overflow-y: auto; /* Vertically scrollable */
    flex-grow: 1;
    padding-bottom: 5px;
    z-index: 2;
}

.empty-stack-placeholder, .empty-arena-placeholder {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-gray);
    width: 100%;
    text-align: center;
    border: 2px dashed var(--color-light-gray);
    padding: 16px;
    border-radius: 6px;
}

/* Variable Card */
.variable-card {
    background: white;
    border: var(--border-manga-thin);
    padding: 8px 16px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 3px 3px 0px var(--color-ink);
    min-width: 120px;
    height: 48px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.variable-card:hover {
    transform: translateY(-2px);
    box-shadow: 3px 3px 0px var(--color-crimson);
}

.var-name-badge {
    background-color: var(--color-ink);
    color: white;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 4px;
    transform: skewX(-6deg);
}

.var-val-badge {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    font-weight: bold;
    color: var(--color-crimson);
}

/* Visualization Panel */

.panel-visual-arena .panel-inner {
    padding: 16px;
    background: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.visual-arena-content {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Center array container vertically in the battlefield */
    align-items: center; /* Center array container horizontally */
    gap: 40px; /* Space between multiple arrays or components */
    flex-grow: 1;
    z-index: 2;
    overflow-y: auto;
    padding-bottom: 20px;
    box-sizing: border-box;
    width: 100%;
}

/* 5. Array Visualization Layout */
.array-container {
    display: flex;
    flex-direction: column;
    gap: 25px; /* space between pointers row and array row */
    position: relative;
    padding: 80px 20px 20px 20px; /* Increased top padding to prevent pointer cropping */
    border: 2px dashed rgba(17, 17, 17, 0.1);
    border-radius: 8px;
    background: rgba(244, 243, 240, 0.4);
    min-width: 320px;
    width: 90%; /* Let it occupy most of the battlefield width */
    max-width: 850px;
    box-sizing: border-box;
    margin: 0 auto; /* Ensure horizontal centering */
}

/* Title of the Array */
.array-title {
    position: absolute;
    top: -12px;
    left: 15px;
    background-color: var(--color-crimson);
    color: white;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 4px;
    box-shadow: 2px 2px 0px var(--color-ink);
    transform: skewX(-6deg);
}

html[dir="rtl"] .array-title {
    left: auto;
    right: 15px;
}

/* Array Slots Row */
.array-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow: visible; /* Show pointers pointing out of the slots */
    justify-content: center; /* Center boxes horizontally */
    padding: 8px 4px;
}

/* Individual Slot */
.array-slot {
    flex: 0 0 var(--slot-size, 88px); /* Dynamic slot size */
    width: var(--slot-size, 88px);
    height: var(--slot-size, 88px);
    background-color: white;
    border: var(--border-manga-thin);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: 3px 3px 0px var(--color-ink);
    transition: transform 0.2s, background-color 0.2s, width 0.2s, height 0.2s;
}

.array-slot.active-operation {
    background-color: #fee2e2;
    border-color: var(--color-crimson);
    transform: scale(1.05);
}

.slot-index {
    position: absolute;
    bottom: -22px;
    font-size: calc(var(--slot-size, 88px) * 0.14);
    font-weight: bold;
    color: var(--color-gray);
    font-family: 'Courier New', Courier, monospace;
}

.slot-value {
    font-family: 'Courier New', Courier, monospace;
    font-size: calc(var(--slot-size, 88px) * 0.28);
    font-weight: 900;
    color: var(--color-ink);
}

/* Implicit fading sizes (fading slots) */
.array-slot.slot-fading-1 {
    opacity: 0.7;
    background: linear-gradient(135deg, white 70%, rgba(244, 243, 240, 0.5) 100%);
    border-style: dashed;
}

.array-slot.slot-fading-2 {
    opacity: 0.45;
    background: linear-gradient(135deg, white 40%, rgba(244, 243, 240, 0.7) 100%);
    border-style: dashed;
    box-shadow: 1px 1px 0px var(--color-ink);
}

.array-slot.slot-fading-3 {
    opacity: 0.25;
    background: transparent;
    border: 2px dashed var(--color-gray);
    box-shadow: none;
}

/* Unsupported Code Placeholder */
.unsupported-visualization-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 30px 20px;
    border: 3px dashed var(--color-crimson);
    background-color: #fffaf0;
    border-radius: 8px;
    color: var(--color-ink);
    text-align: center;
    max-width: 500px;
    margin: auto;
    box-shadow: 6px 6px 0px var(--color-ink);
}

.unsupported-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 18px;
    color: var(--color-crimson);
    text-transform: uppercase;
    transform: skewX(-6deg);
    border: 2px solid var(--color-ink);
    background-color: white;
    padding: 6px 16px;
    box-shadow: 3px 3px 0px var(--color-ink);
}

.unsupported-desc {
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
}

/* Pointer Container & Slot-aligned Pointers */
.slot-pointers {
    position: absolute;
    bottom: 100%; /* Align with the top of the slot */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column; /* Stack pointers vertically if multiple */
    align-items: center;
    pointer-events: none;
    margin-bottom: 6px;
    z-index: 10;
}

.pointer-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    margin-top: -4px;
}

.pointer-label {
    background-color: var(--color-ink);
    color: white;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    box-shadow: 2px 2px 0px var(--color-crimson);
    white-space: nowrap;
    margin-bottom: 4px;
    border: 2px solid white;
}

.pointer-arrow-svg {
    filter: drop-shadow(2px 2px 0px rgba(0, 0, 0, 0.15));
    animation: pointer-bounce 0.8s infinite alternate;
    margin-top: 4px;
}

.pointer-arrow-svg .arrow-shaft,
.pointer-arrow-svg .arrow-head {
    fill: var(--color-crimson);
    stroke: var(--color-ink);
    stroke-width: 2.5px;
}

@keyframes pointer-bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(3px); }
}

/* Highlight running line in Code */
.code-line-highlight {
    background-color: rgba(230, 30, 43, 0.15);
    border-left: 3px solid var(--color-crimson);
    display: block;
    width: 100%;
}

/* Responsive adjustments for mobile viewports */
@media (max-width: 900px) {
    .visualizer-page {
        height: auto !important;
        overflow: auto !important;
    }
    .visualizer-container {
        flex-direction: column !important;
        height: auto !important;
        overflow: auto !important;
        padding: 20px 4% !important;
    }
    .visualizer-left-column {
        width: 100% !important;
        height: auto !important;
    }
    .visualizer-left-column .panel-editor-area {
        height: 350px !important;
    }
    .visualizer-left-column .panel-variables-stack {
        height: 200px !important;
    }
    .visualizer-right-column-container {
        width: 100% !important;
        height: 450px !important;
    }
    .btn-back-home {
        position: static !important;
        display: inline-block;
        margin-bottom: 10px;
        width: fit-content;
    }
    .visualizer-actions-floating {
        position: static !important;
        transform: none !important;
        margin: 15px auto 0 auto;
        border-radius: 8px;
    }
}