/**
 * Papers, Please - Passport Generator Styles
 * 
 * Retro terminal aesthetic inspired by the game "Papers, Please"
 * Features CRT effects, pixelated rendering, and government bureaucracy theme
 * 
 * @author MOtaMore
 * @license MIT
 */

/**
 * CSS Variables for Government Terminal Theme
 * Defines the color palette and spacing used throughout the application
 */
:root {
    --gov-green: #4a5043;
    --gov-dark: #2c2e2a;
    --gov-light: #6b6e63;
    --gov-paper: #d4c8be;
    --gov-stamp: #8b2635;
    --pixel-light: #ac9f9b;
    --pixel-dark: #625252;
    --warning: #c41e3a;
    --approved: #5a7c4e;
    --terminal-bg: #3a3d37;
    --terminal-border: #5a5d57;
    --text-glow: #e8dfd6;
    --info-blue: #2c5aa0;
}

/**
 * Global Reset and Base Configuration
 * Ensures consistent rendering across browsers
 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

/**
 * Body Styling
 * Sets up the terminal font and background with scan lines effect
 */
body {
    font-family: 'Courier New', 'Consolas', monospace;
    background-color: var(--gov-dark);
    color: var(--gov-paper);
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0,0,0,0.1) 2px,
            rgba(0,0,0,0.1) 4px
        );
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/**
 * CRT Monitor Effect
 * Creates the curved screen effect of old monitors
 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%);
    pointer-events: none;
    z-index: 9999;
}

/**
 * Animated Scan Line Effect
 * Simulates the refresh rate of CRT monitors
 */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.03), transparent);
    animation: scanline 8s linear infinite;
    pointer-events: none;
    z-index: 9998;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(100vh); }
}

/**
 * Main Container
 * Centers content and provides maximum width constraint
 */
.terminal-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
    position: relative;
    z-index: 1;
}

/**
 * System Header
 * Government terminal header with authentication badges
 */
.terminal-header {
    background: var(--gov-green);
    border: 3px solid var(--terminal-border);
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: 
        0 4px 8px rgba(0,0,0,0.5),
        inset 0 1px 0 rgba(255,255,255,0.1);
}

.header-badge {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gov-stamp);
    font-size: 2rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.header-badge.left { left: 2rem; }
.header-badge.right { right: 2rem; }

.system-title {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 0.2em;
    color: var(--text-glow);
    text-shadow: 
        0 0 10px rgba(232, 223, 214, 0.5),
        0 2px 4px rgba(0,0,0,0.5);
    margin-bottom: 0.5rem;
}

.system-subtitle {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.system-info {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.info-divider {
    color: var(--gov-stamp);
}

/**
 * Support Buttons in Header
 */
.support-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.support-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gov-dark);
    color: var(--gov-paper);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    border: 2px solid var(--terminal-border);
    transition: all 0.3s ease;
}

.support-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.support-button.kofi {
    background: var(--gov-stamp);
    color: var(--text-glow);
}

.support-button.kofi:hover {
    background: var(--warning);
}

.support-button.github {
    background: var(--gov-green);
    color: var(--text-glow);
}

.support-button.github:hover {
    background: var(--gov-light);
}

.support-button .button-icon {
    font-size: 1rem;
}

/**
 * Main Grid Layout
 * Two-column layout for control panel and passport generation
 */
.main-grid {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

/**
 * Terminal Window Component
 * Reusable window style for all panels
 */
.terminal-window {
    background: var(--terminal-bg);
    border: 2px solid var(--terminal-border);
    box-shadow: 
        0 4px 12px rgba(0,0,0,0.6),
        inset 0 1px 0 rgba(255,255,255,0.05);
}

.terminal-title {
    background: var(--gov-green);
    padding: 0.75rem 1rem;
    font-weight: bold;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    border-bottom: 2px solid var(--terminal-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-icon {
    color: var(--gov-stamp);
}

.terminal-content {
    padding: 1.5rem;
}

/**
 * Mode Selector Tabs
 * Switches between automatic and manual processing modes
 */
.mode-selector {
    margin-bottom: 1.5rem;
}

.mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 2px solid var(--terminal-border);
    overflow: hidden;
}

.mode-tab {
    padding: 1rem;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    background: var(--gov-dark);
    color: var(--gov-paper);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    border-right: 1px solid var(--terminal-border);
}

.mode-tab:last-child {
    border-right: none;
}

.mode-tab:hover {
    background: var(--gov-green);
}

.mode-tab.active {
    background: var(--info-blue);
    color: var(--text-glow);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}

.tab-icon {
    font-size: 1.2rem;
}

/**
 * Processing Modes Container
 */
.processing-mode {
    margin-bottom: 1.5rem;
}

/**
 * File Upload Zone
 * Drag-and-drop area for image upload
 */
.upload-section {
    margin-bottom: 2rem;
}

.file-input {
    display: none;
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background: var(--gov-dark);
    border: 3px dashed var(--terminal-border);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover {
    background: var(--gov-green);
    border-color: var(--gov-light);
}

.upload-zone.has-file {
    border-color: var(--approved);
    background: rgba(90, 124, 78, 0.1);
}

.upload-zone.preproc-zone {
    border-color: var(--info-blue);
}

.upload-zone.preproc-zone:hover {
    background: rgba(44, 90, 160, 0.1);
    border-color: var(--info-blue);
}

.upload-zone.preproc-zone.has-file {
    border-color: var(--info-blue);
    background: rgba(44, 90, 160, 0.2);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.upload-primary {
    font-size: 1.1rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.upload-secondary {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: 1rem;
}

.upload-warning {
    font-size: 0.8rem;
    color: var(--gov-stamp);
    font-weight: bold;
}

/**
 * Format Information Panel
 */
.format-info {
    background: var(--gov-dark);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--info-blue);
    border-left: 4px solid var(--info-blue);
}

/**
 * Form Controls
 */
.control-group {
    margin-bottom: 1.5rem;
}

.control-label {
    display: block;
    margin-bottom: 0.75rem;
}

.label-primary {
    display: block;
    font-weight: bold;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.label-secondary {
    display: block;
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.25rem;
}

/**
 * Threshold Slider Control
 */
.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--gov-dark);
    padding: 1rem;
    border: 1px solid var(--terminal-border);
}

.threshold-slider {
    flex: 1;
    height: 8px;
    background: var(--gov-dark);
    outline: none;
    -webkit-appearance: none;
    border: 1px solid var(--terminal-border);
}

.threshold-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--gov-stamp);
    cursor: pointer;
    border: 2px solid var(--terminal-border);
}

.threshold-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--gov-stamp);
    cursor: pointer;
    border: 2px solid var(--terminal-border);
}

.threshold-display {
    min-width: 3rem;
    text-align: center;
    font-weight: bold;
    padding: 0.25rem 0.5rem;
    background: var(--gov-green);
    border: 1px solid var(--terminal-border);
}

/**
 * Process Information Display
 */
.process-info {
    background: var(--gov-dark);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--terminal-border);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.85rem;
}

.info-label {
    opacity: 0.7;
}

.info-value {
    font-weight: bold;
    color: var(--text-glow);
}

/**
 * Button Styles
 * Process and action buttons with hover effects
 */
.process-button,
.action-button {
    width: 100%;
    padding: 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    border: 2px solid var(--terminal-border);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.process-button {
    background: var(--gov-stamp);
    color: var(--text-glow);
}

.process-button:hover:not(:disabled) {
    background: var(--warning);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.process-button:disabled {
    background: var(--gov-dark);
    color: var(--terminal-border);
    cursor: not-allowed;
    opacity: 0.6;
}

.action-button {
    background: var(--gov-green);
    color: var(--text-glow);
}

.action-button.generate {
    background: var(--approved);
}

.action-button.download {
    background: var(--gov-stamp);
}

.action-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
    filter: brightness(1.1);
}

.action-button:disabled {
    background: var(--gov-dark);
    color: var(--terminal-border);
    cursor: not-allowed;
    opacity: 0.6;
}

.button-icon {
    font-size: 1.2rem;
}

/**
 * Download Processed Image Button
 */
.download-processed-button {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.5rem;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    background: var(--info-blue);
    color: var(--text-glow);
    border: 1px solid var(--terminal-border);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.download-processed-button:hover {
    background: #3a6bb8;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.download-processed-button .button-icon {
    font-size: 1rem;
}

/**
 * Photo Preview Section
 */
.preview-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.preview-box {
    text-align: center;
}

.preview-label {
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.preview-frame {
    background: var(--gov-dark);
    border: 2px solid var(--terminal-border);
    padding: 1rem;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.original-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.pixelated-display {
    width: 120px;
    height: 144px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.preview-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    opacity: 0.5;
    font-size: 0.9rem;
    font-weight: bold;
}

/**
 * Country Selector Dropdown
 */
.country-selector {
    width: 100%;
    padding: 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: bold;
    background: var(--gov-dark);
    color: var(--gov-paper);
    border: 2px solid var(--terminal-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.country-selector:hover:not(:disabled) {
    background: var(--gov-green);
}

.country-selector:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/**
 * Passport Form Fields
 */
.passport-fields {
    background: var(--gov-dark);
    padding: 1rem;
    border: 1px solid var(--terminal-border);
    margin-bottom: 1.5rem;
}

.field-group {
    margin-bottom: 1rem;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.field-label {
    display: block;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    opacity: 0.8;
    letter-spacing: 0.05em;
}

.field-input {
    width: 100%;
    padding: 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--terminal-bg);
    color: var(--gov-paper);
    border: 1px solid var(--terminal-border);
    transition: all 0.3s ease;
}

.field-input:focus {
    outline: none;
    border-color: var(--gov-stamp);
    background: var(--gov-green);
}

.field-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/**
 * Action Buttons Container
 */
.action-buttons {
    display: flex;
    gap: 1rem;
}

/**
 * Passport Preview Modal
 */
.passport-preview-section {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.preview-window {
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
}

.passport-container {
    background: var(--gov-dark);
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

#passport-canvas {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--terminal-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.preview-actions {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

/**
 * Footer Section
 */
.terminal-footer {
    text-align: center;
    padding: 2rem 0 1rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: 1.5rem;
}

.footer-divider {
    color: var(--gov-stamp);
}

/**
 * Legal Disclaimer
 */
.legal-disclaimer {
    max-width: 800px;
    margin: 0 auto;
    padding: 1.5rem;
    background: var(--gov-dark);
    border: 1px solid var(--terminal-border);
    border-radius: 0;
}

.disclaimer-text {
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--gov-paper);
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.version-info {
    font-size: 0.7rem;
    color: var(--gov-light);
    opacity: 0.6;
    margin: 0;
}

/**
 * Support Section (Expandable)
 */
.support-section {
    margin-top: 0;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.5s ease-in-out, opacity 0.5s ease-in-out, margin-top 0.5s ease-in-out;
    opacity: 0;
}

.support-section.hidden {
    display: none;
}

.support-section.visible {
    max-height: 400px;
    opacity: 1;
    margin-top: 1rem;
}

.support-content {
    background: var(--gov-dark);
    border: 2px solid var(--terminal-border);
    padding: 2rem;
    text-align: center;
}

.support-header {
    margin-bottom: 1.5rem;
}

.support-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.support-title {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    color: var(--text-glow);
    margin: 0;
}

.support-message {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--gov-paper);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.kofi-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--gov-stamp);
    color: var(--text-glow);
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: 2px solid var(--terminal-border);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.kofi-button:hover {
    background: var(--warning);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.kofi-icon {
    font-size: 1.3rem;
}

.alternative-download {
    padding-top: 1rem;
    border-top: 1px solid var(--terminal-border);
}

.alternative-text {
    font-size: 0.85rem;
    color: var(--gov-paper);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.direct-download-button {
    background: none;
    border: none;
    color: var(--info-blue);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    text-decoration: underline;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: all 0.3s ease;
}

.direct-download-button:hover {
    color: var(--text-glow);
    text-shadow: 0 0 4px rgba(44, 90, 160, 0.5);
}

/* Fade out animation for download button */
.action-button.download.fading {
    animation: fadeOut 0.5s forwards;
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/**
 * Passport Preview Image
 */
.passport-preview-image {
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

/**
 * Processed Image Display
 */
.processed-image {
    width: 120px;
    height: 144px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

/**
 * Loading Overlay
 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gov-dark);
    border-top: 4px solid var(--gov-stamp);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    color: var(--text-glow);
    font-weight: bold;
    letter-spacing: 0.1em;
    animation: pulse 1.5s ease-in-out infinite;
}

/**
 * Utility Classes
 */
.hidden {
    display: none !important;
}

/**
 * Animations
 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
    20%, 40%, 60%, 80% { transform: translateX(2px); }
}

/**
 * Interactive Button Press Effect
 */
button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}