/* ==========================================================================
   Psion Organiser II Printer RLE Tool - Design System & Styles
   ========================================================================== */

/* Theme Variables (Slate Dark & Cyber Teal) */
:root {
    --bg-app: #0b0f19;
    --bg-panel: rgba(23, 32, 53, 0.7);
    --bg-panel-solid: #131b2e;
    --border-glow: rgba(0, 242, 254, 0.15);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --color-primary: #00f2fe;     /* Cyber Teal */
    --color-secondary: #00f5d4;   /* Light Emerald */
    --color-text-main: #f8fafc;   /* White Slate */
    --color-text-muted: #94a3b8;  /* Muted Slate */
    --color-accent-red: #ef4444;
    
    --glass-blur: blur(12px);
    --shadow-soft: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.5);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Base Reset & Layout */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-app);
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 242, 254, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 245, 212, 0.04) 0px, transparent 50%);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    padding: 24px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex-grow: 1;
}

/* Header */
.app-header {
    margin-bottom: 8px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.retro-badge {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #000;
    font-weight: 800;
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 1.5px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.2);
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* Main Grid Layout */
.workspace-grid {
    display: grid;
    grid-template-columns: 340px 1fr 400px;
    gap: 20px;
    align-items: stretch;
}

@media (max-width: 1200px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

/* Panels */
.panel {
    background: var(--bg-panel);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color var(--transition-normal);
}

.panel:hover {
    border-color: rgba(0, 242, 254, 0.25);
}

.panel-header {
    padding: 16px 20px;
    background: rgba(15, 23, 42, 0.4);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.panel-header i {
    color: var(--color-primary);
    font-size: 1.1rem;
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
}

.panel-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    flex-grow: 1;
}

.panel-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Drag and Drop Zone */
.drop-zone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 32px 16px;
    text-align: center;
    background: rgba(15, 23, 42, 0.3);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.drop-zone.hover {
    border-color: var(--color-primary);
    background: rgba(0, 242, 254, 0.05);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.1) inset;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.drop-icon {
    font-size: 2.2rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.drop-zone:hover .drop-icon {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.drop-text-primary {
    font-weight: 500;
    font-size: 0.9rem;
    color: #fff;
}

.drop-text-secondary {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Control Groups */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.divider {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 8px 0;
}

/* Buttons */
.btn {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #0b0f19;
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.75rem;
    border-radius: 4px;
}

.btn-preset {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color);
    color: var(--color-text-main);
    flex: 1;
    font-size: 0.75rem;
    padding: 6px 10px;
}

.btn-preset:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn-preset.active {
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.preset-buttons {
    display: flex;
    gap: 8px;
    width: 100%;
}

.btn-action {
    background: rgba(0, 242, 254, 0.05);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--color-primary);
    flex: 1;
    padding: 10px 16px;
    font-weight: 600;
}

.btn-action:hover {
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

.action-buttons {
    display: flex;
    gap: 12px;
    width: 100%;
}

/* Segmented Control */
.segmented-control {
    display: flex;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
}

.segmented-control input[type="radio"] {
    display: none;
}

.segmented-item {
    flex: 1;
    text-align: center;
    padding: 6px 12px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.segmented-control input[type="radio"]:checked + .segmented-item {
    background: var(--bg-panel-solid);
    color: var(--color-primary);
    box-shadow: var(--shadow-inset);
    border: 1px solid rgba(0, 242, 254, 0.15);
}

/* Custom Slider */
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge {
    font-family: var(--font-mono);
    background: rgba(0, 242, 254, 0.1);
    color: var(--color-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.6);
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

/* Rotation Control */
.rotation-control {
    display: flex;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
}

.rotation-control input[type="radio"] {
    display: none;
}

.rot-item {
    flex: 1;
    text-align: center;
    padding: 6px 4px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rotation-control input[type="radio"]:checked + .rot-item {
    background: var(--bg-panel-solid);
    color: var(--color-primary);
    box-shadow: var(--shadow-inset);
    border: 1px solid rgba(0, 242, 254, 0.15);
}

/* Custom Checkbox */
.checkbox-group {
    margin-top: 4px;
}

.checkbox-input {
    display: none;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    cursor: pointer;
    user-select: none;
}

.custom-checkbox {
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-input:checked + .checkbox-label .custom-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.3);
}

.checkbox-input:checked + .checkbox-label .custom-checkbox::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.68rem;
    color: #0b0f19;
}

.checkbox-input:checked + .checkbox-label {
    color: #fff;
}

/* Preview Center Panel styling */
.preview-body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background: radial-gradient(circle, rgba(15, 23, 42, 0.6) 0%, rgba(11, 15, 25, 0.9) 100%);
    position: relative;
    overflow-y: auto;
    max-height: 750px; /* Increased from 600px to allow taller simulator previews without clipping */
}

/* Thermal Printer Device Mockup */
.printer-device {
    width: 100%;
    max-width: 440px; /* Increased from 380px to fill panel-body better */
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px 16px 8px 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.printer-feed-slot {
    height: 18px;
    background: #090d16;
    border-bottom: 2px solid #334155;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.8);
    position: relative;
    z-index: 10;
}

.receipt-paper-wrapper {
    position: relative;
    max-height: 560px; /* Increased from 420px to prevent overflow scrolling for larger presets like Retro Rose */
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 5;
    background: rgba(0, 0, 0, 0.2);
    /* Custom thin scrollbar for paper wrapper */
}

.receipt-paper-wrapper::-webkit-scrollbar {
    width: 4px;
}
.receipt-paper-wrapper::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

/* Receipt Paper Tape */
.receipt-paper {
    background-color: #faf9f5;
    color: #1c1917;
    width: calc(100% - 48px); /* Scale to fill printer-device */
    max-width: 388px;
    margin: 0 auto;
    padding: 24px 20px 32px 20px;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transform-origin: top center;
    transition: transform var(--transition-normal);
}

/* Printing Feed Animation */
@keyframes printRoll {
    0% {
        transform: translateY(-80px);
        opacity: 0.5;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.receipt-paper.printing-anim {
    animation: printRoll 2s cubic-bezier(0.1, 0.8, 0.2, 1) forwards;
}

/* Jagged Sawtooth Paper Edge */
.receipt-paper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 12px;
    background: 
        linear-gradient(-135deg, transparent 6px, #faf9f5 0),
        linear-gradient(135deg, transparent 6px, #faf9f5 0);
    background-size: 12px 100%;
    background-repeat: repeat-x;
    z-index: 10;
}

/* Receipt Typography - Now Outside White Paper Tape */
.receipt-header {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 16px auto;
    width: calc(100% - 48px);
    max-width: 388px;
    user-select: none;
}

.receipt-dashed-line {
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
    margin: 8px 0;
}

.receipt-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-primary);
    letter-spacing: 1.5px;
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.2);
}

.receipt-subtitle {
    font-size: 0.65rem;
    color: var(--color-text-muted);
}

.receipt-footer {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin: 16px auto;
    width: calc(100% - 48px);
    max-width: 388px;
    user-select: none;
}

#receiptMeta {
    word-break: break-all;
}

/* Preview Canvas inside Receipt */
#previewCanvas {
    display: block;
    width: 100%; /* Scale up canvas to fill printable area */
    height: auto !important; /* Preserve aspect ratio dynamically */
    margin-left: 0;
    margin-right: auto;
    border-left: 1px dotted rgba(0, 0, 0, 0.05);
    border-right: 1px dotted rgba(0, 0, 0, 0.05);
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.1);
}

/* Right Panel: Output & Stats */
.output-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-card {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-card.highlight {
    border-color: rgba(0, 245, 212, 0.25);
    background: rgba(0, 245, 212, 0.03);
}

.stat-card.highlight .stat-value {
    color: var(--color-secondary);
    text-shadow: 0 0 10px rgba(0, 245, 212, 0.3);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}

/* Code container styling */
.code-container {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #090d16;
    overflow: hidden;
}

.code-header {
    background: rgba(15, 23, 42, 0.6);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.code-lang {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

.code-dots {
    display: flex;
    gap: 5px;
}

.code-dots .dot {
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
}

.code-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 18px;
    margin-bottom: 8px;
}
.code-section-header:first-of-type {
    margin-top: 0;
}
.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}
.section-title i {
    color: var(--color-primary);
}
.action-buttons-mini {
    display: flex;
    gap: 8px;
}
.btn-sm {
    padding: 5px 10px;
    font-size: 0.72rem;
    border-radius: 6px;
    height: auto;
}

#oplOutput {
    width: 100%;
    height: 180px;
    background: transparent;
    border: 0;
    color: #38bdf8; /* Light sky blue for OPL source code */
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 12px;
    resize: none;
    outline: none;
    line-height: 1.4;
    overflow-y: auto;
}

#decoderOutput {
    width: 100%;
    height: 150px;
    background: transparent;
    border: 0;
    color: #00f5d4; /* Cyber Teal for static decoder engine */
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 12px;
    resize: none;
    outline: none;
    line-height: 1.4;
    overflow-y: auto;
}

/* Custom Scrollbar for code */
#oplOutput::-webkit-scrollbar,
#decoderOutput::-webkit-scrollbar {
    width: 6px;
}
#oplOutput::-webkit-scrollbar-thumb,
#decoderOutput::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

/* Footer deployment guide */
.app-footer-guide {
    margin-top: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app-footer-guide h3 {
    font-size: 1.05rem;
    color: #fff;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.app-footer-guide h3 i {
    color: var(--color-primary);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .guide-grid {
        grid-template-columns: 1fr;
    }
}

.guide-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.guide-card h4 {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.guide-card p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.guide-card code {
    font-family: var(--font-mono);
    background: rgba(0, 0, 0, 0.3);
    padding: 1px 4px;
    border-radius: 3px;
    color: var(--color-secondary);
    font-size: 0.75rem;
}

.copyright {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 20px;
    margin-bottom: 12px;
}

/* Custom Tooltip Toast Alert */
.toast-feedback {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-panel-solid);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
}

.toast-feedback.show {
    transform: translateY(0);
    opacity: 1;
}