/* ============================================
   PIP-BOY 3000 TERMINAL THEME
   Phase 1: Core Visual Foundation
   ============================================ */

/* CSS Variables - Terminal Color Palette
   Contrast ratios on #0a0a0a background (WCAG AA requires 4.5:1 for text):
   - --terminal-green (#33ff33): ~14.6:1 ✓ AAA
   - --terminal-green-dim (#22dd22): ~10.8:1 ✓ AAA
   - --terminal-green-muted (#4a9a4a): ~5.2:1 ✓ AA (secondary text)
   - --terminal-green-dark (#2d5a2d): ~3.1:1 (borders/UI only, not text)
*/
:root {
    --terminal-green: #33ff33;           /* Primary text, headings - 14.6:1 */
    --terminal-green-dim: #22dd22;       /* Secondary text - 10.8:1 */
    --terminal-green-muted: #4a9a4a;     /* Tertiary text, hints - 5.2:1 */
    --terminal-green-dark: #2d5a2d;      /* Borders, UI elements - 3.1:1 */
    --terminal-green-darker: #0d260d;    /* Backgrounds only */
    --terminal-bg: #0a0a0a;
    --terminal-bg-light: #111111;
    --terminal-glow: rgba(51, 255, 51, 0.7);
    --terminal-shadow: rgba(51, 255, 51, 0.3);
    --error-red: #ff3333;
    --error-glow: rgba(255, 51, 51, 0.5);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'VT323', 'Courier New', monospace;
    background: #050505;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--terminal-green);
    font-size: 18px;
    line-height: 1.4;
}

/* Pip-Boy Frame Container */
.pipboy-frame {
    background: var(--terminal-bg);
    border: 3px solid var(--terminal-green-dark);
    border-radius: 8px;
    max-width: 700px;
    width: 100%;
    box-shadow:
        0 0 20px var(--terminal-shadow),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* Pip-Boy Header */
.pipboy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 2px solid var(--terminal-green-dark);
    background: var(--terminal-bg-light);
}

.pipboy-logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-size: 1.4em;
    color: var(--terminal-green);
    text-shadow: 0 0 10px var(--terminal-glow);
    letter-spacing: 3px;
}

.logo-brand {
    font-size: 0.85em;
    color: var(--terminal-green-muted);
    letter-spacing: 2px;
}

.pipboy-tabs {
    display: flex;
    gap: 5px;
}

.pipboy-tabs .tab {
    padding: 8px 12px;
    color: var(--terminal-green-muted);
    border: 1px solid transparent;
    cursor: default;
    font-size: 0.95em;
    letter-spacing: 1px;
    transition: all 0.2s;
}

.pipboy-tabs .tab.active {
    color: var(--terminal-green);
    border-color: var(--terminal-green-dark);
    background: var(--terminal-bg);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Pip-Boy Status Bar Footer */
.pipboy-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-top: 2px solid var(--terminal-green-dark);
    background: var(--terminal-bg-light);
    font-size: 0.9em;
    flex-wrap: wrap;
    gap: 10px;
}

.pipboy-footer .status-item {
    color: var(--terminal-green-dim);
    letter-spacing: 1px;
}

.pipboy-footer .hp-bar {
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Pip-Boy Screen */
.pipboy-screen {
    position: relative;
    padding: 8px;
    background: var(--terminal-bg);
    border-radius: 4px;
}

/* CRT Scanlines Overlay */
.scanlines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 100;
    border-radius: 4px;
    overflow: hidden;
}

.scanlines::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
}

/* Terminal Content Area */
.terminal-content {
    position: relative;
    z-index: 1;
}

/* Main Container */
.container {
    padding: 30px;
}

/* Typography */
h1 {
    text-align: center;
    color: var(--terminal-green);
    margin-bottom: 30px;
    font-size: 2.2em;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--terminal-glow);
}

h2 {
    color: var(--terminal-green);
    margin-bottom: 20px;
    font-size: 1.6em;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px var(--terminal-shadow);
    border-bottom: 1px solid var(--terminal-green-dark);
    padding-bottom: 10px;
}

h3 {
    color: var(--terminal-green);
    margin-bottom: 15px;
    font-size: 1.3em;
    font-weight: normal;
    text-shadow: 0 0 5px var(--terminal-shadow);
}

p, label, small {
    color: var(--terminal-green-dim);
}

a {
    color: var(--terminal-green);
    text-decoration: none;
    text-shadow: 0 0 5px var(--terminal-shadow);
}

a:hover {
    text-shadow: 0 0 10px var(--terminal-glow);
}

/* Sections */
.section {
    margin-bottom: 20px;
}

/* Welcome Text */
.welcome-text {
    color: var(--terminal-green-dim);
    margin-bottom: 25px;
    font-size: 1.05em;
    line-height: 1.5;
}

/* Vault-Tec Tip */
.vault-tec-tip {
    margin-top: 25px;
    padding: 15px;
    border: 1px solid var(--terminal-green-dark);
    background: var(--terminal-bg-light);
    text-align: center;
    font-size: 0.95em;
    color: var(--terminal-green-dim);
}

/* Target Label (Results) */
.target-label {
    font-size: 1em;
    color: var(--terminal-green-dim);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.hidden {
    display: none !important;
}

/* Input Groups */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--terminal-green);
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    background: var(--terminal-bg);
    border: 2px solid var(--terminal-green-dark);
    border-radius: 0;
    font-family: 'VT323', 'Courier New', monospace;
    font-size: 1.1em;
    color: var(--terminal-green);
    transition: all 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--terminal-green);
    box-shadow: 0 0 10px var(--terminal-shadow);
}

.input-group input::placeholder {
    color: var(--terminal-green-dark);
}

.input-group small {
    display: block;
    margin-top: 8px;
    color: var(--terminal-green-muted);
    font-size: 0.9em;
}

.input-group small a {
    color: var(--terminal-green-muted);
}

.input-group small a:hover {
    color: var(--terminal-green);
}

/* Question Styles */
.question {
    margin-bottom: 20px;
}

.question h3 {
    color: var(--terminal-green);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option {
    padding: 15px 20px;
    border: 2px solid var(--terminal-green-dark);
    background: var(--terminal-bg);
    cursor: pointer;
    transition: all 0.2s;
    color: var(--terminal-green-dim);
    position: relative;
    padding-left: 45px;
}

.option::before {
    content: '( )';
    position: absolute;
    left: 15px;
    color: var(--terminal-green-muted);
    font-size: 1em;
}

.option:hover {
    border-color: var(--terminal-green-dim);
    background: var(--terminal-bg-light);
    color: var(--terminal-green);
}

.option:hover::before {
    color: var(--terminal-green-dim);
}

.option.selected {
    border-color: var(--terminal-green);
    background: var(--terminal-green-darker);
    color: var(--terminal-green);
    box-shadow: 0 0 10px var(--terminal-shadow);
}

.option.selected::before {
    content: '(O)';
    color: var(--terminal-green);
}

/* Button Styles */
.btn-primary, .btn-secondary, .btn-tertiary {
    font-family: 'VT323', 'Courier New', monospace;
    font-size: 1.2em;
    padding: 12px 25px;
    border: 2px solid var(--terminal-green);
    background: transparent;
    color: var(--terminal-green);
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn-primary {
    box-shadow: 0 0 5px var(--terminal-shadow);
}

.btn-primary:hover {
    background: var(--terminal-green-darker);
    box-shadow: 0 0 15px var(--terminal-shadow);
    text-shadow: 0 0 5px var(--terminal-glow);
}

.btn-secondary {
    border-color: var(--terminal-green-dark);
    color: var(--terminal-green-dim);
    margin-right: 10px;
}

.btn-secondary:hover {
    border-color: var(--terminal-green-dim);
    color: var(--terminal-green);
}

.btn-tertiary {
    border-color: var(--terminal-green-dark);
    color: var(--terminal-green-muted);
    font-size: 1em;
    padding: 8px 16px;
}

.btn-tertiary:hover {
    border-color: var(--terminal-green-dim);
    color: var(--terminal-green-dim);
}

.button-group {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* Stacked button layout for filter actions */
.button-group.stacked {
    flex-direction: column;
    align-items: stretch;
}

.button-group.stacked .btn-primary,
.button-group.stacked .btn-secondary {
    width: 100%;
    margin-right: 0;
}

/* Loading States */
#loading {
    text-align: center;
    color: var(--terminal-green);
    margin-top: 15px;
    font-size: 1.1em;
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Error Messages */
.error {
    background: rgba(255, 51, 51, 0.1);
    border: 2px solid var(--error-red);
    color: var(--error-red);
    padding: 15px;
    margin-top: 15px;
    text-shadow: 0 0 5px var(--error-glow);
}

/* Recommendation Card */
#recommendedGame {
    background: var(--terminal-bg-light);
    border: 2px solid var(--terminal-green-dark);
    color: var(--terminal-green);
    padding: 25px;
    text-align: center;
    margin-bottom: 20px;
}

#recommendedGame h3 {
    font-size: 2em;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--terminal-glow);
}

#recommendedGame p {
    font-size: 1.1em;
    color: var(--terminal-green-dim);
}

/* Game Stats */
.game-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--terminal-green-dark);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 1.5em;
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

.stat-label {
    font-size: 0.9em;
    color: var(--terminal-green-muted);
    text-transform: uppercase;
}

/* Filter Screen Styles */
#filters {
    text-align: left;
}

.filter-description {
    color: var(--terminal-green-dim);
    margin-bottom: 25px;
    font-size: 1.1em;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-item small {
    color: var(--terminal-green-muted);
    font-size: 0.95em;
    margin-left: 55px;
}

/* Terminal-Style Toggle Switches */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 1.05em;
    user-select: none;
    color: var(--terminal-green-dim);
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--terminal-bg);
    border: 2px solid var(--terminal-green-dark);
    transition: all 0.2s;
    flex-shrink: 0;
}

.toggle-switch:before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 2px;
    left: 2px;
    background: var(--terminal-green-dark);
    transition: all 0.2s;
}

.toggle-label input:checked + .toggle-switch {
    border-color: var(--terminal-green);
    box-shadow: 0 0 5px var(--terminal-shadow);
}

.toggle-label input:checked + .toggle-switch:before {
    transform: translateX(20px);
    background: var(--terminal-green);
    box-shadow: 0 0 5px var(--terminal-glow);
}

/* Filter Count Display */
.filter-count {
    background: var(--terminal-bg-light);
    border: 2px solid var(--terminal-green-dark);
    padding: 15px;
    text-align: center;
    font-size: 1.1em;
    margin-bottom: 25px;
    color: var(--terminal-green-dim);
}

.filter-count span {
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Checkbox Group (Remember Me) */
.checkbox-group {
    margin-bottom: 20px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--terminal-green-dim);
    font-size: 1em;
}

.checkbox-group input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--terminal-green-dark);
    background: var(--terminal-bg);
    cursor: pointer;
    position: relative;
}

.checkbox-group input[type="checkbox"]:checked {
    border-color: var(--terminal-green);
}

.checkbox-group input[type="checkbox"]:checked::after {
    content: 'X';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--terminal-green);
    font-family: 'VT323', monospace;
    font-size: 16px;
}

/* Game Header Image */
.game-header-image {
    width: 100%;
    margin-bottom: 20px;
    border: 2px solid var(--terminal-green-dark);
    filter: sepia(100%) saturate(300%) brightness(70%) hue-rotate(80deg);
}

.game-header-image.fallback-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: block;
}

/* Game Tags */
.game-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.tag {
    background: transparent;
    border: 1px solid var(--terminal-green-dark);
    color: var(--terminal-green-dim);
    padding: 5px 12px;
    font-size: 0.95em;
}

.tag:hover {
    border-color: var(--terminal-green);
    color: var(--terminal-green);
}

/* Game Rating */
.game-rating {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--terminal-bg);
    border: 1px solid var(--terminal-green-dark);
}

.rating-bar-container {
    width: 100%;
    height: 12px;
    background: var(--terminal-bg);
    border: 1px solid var(--terminal-green-dark);
    margin-bottom: 10px;
    overflow: hidden;
}

.rating-bar {
    height: 100%;
    background: var(--terminal-green);
    box-shadow: 0 0 10px var(--terminal-glow);
    transition: width 0.3s ease;
}

.rating-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1em;
    color: var(--terminal-green-dim);
}

.rating-percentage {
    font-size: 1.3em;
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

.rating-desc {
    color: var(--terminal-green);
}

.rating-count {
    color: var(--terminal-green-muted);
    font-size: 0.9em;
}

/* Store Data Loader */
.store-data-loader {
    text-align: center;
    color: var(--terminal-green-dim);
    font-size: 1em;
    padding: 10px;
}

/* Loading Progress Bar */
#loadingProgress {
    margin-top: 20px;
}

.progress-text {
    text-align: center;
    color: var(--terminal-green);
    margin-bottom: 10px;
    font-size: 1em;
    text-shadow: 0 0 5px var(--terminal-shadow);
}

.progress-bar-container {
    width: 100%;
    height: 20px;
    background: var(--terminal-bg);
    border: 2px solid var(--terminal-green-dark);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--terminal-green);
    box-shadow: 0 0 10px var(--terminal-glow);
    width: 0%;
    transition: width 0.3s ease;
}

/* ============================================
   Scanning Screen - Console Log Display
   ============================================ */

#scanning {
    text-align: left;
}

#scanning h2 {
    margin-bottom: 20px;
}

/* Console container */
.scan-console {
    height: 320px;
    overflow: hidden;
    border: 2px solid var(--terminal-green-dark);
    background: var(--terminal-bg);
    position: relative;
    margin-bottom: 20px;
}

/* Fade gradient at top */
.scan-console::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, var(--terminal-bg), transparent);
    z-index: 1;
    pointer-events: none;
}

/* Inner scrolling log */
.scan-log {
    height: 100%;
    overflow-y: auto;
    padding: 10px 15px;
    font-size: 1.1em;
    color: var(--terminal-green);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.scan-log::-webkit-scrollbar {
    display: none;
}

/* Individual scan line */
.scan-line {
    padding: 3px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0;
    animation: scan-line-appear 0.15s ease-out forwards;
}

@keyframes scan-line-appear {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Progress section at bottom of scanning screen */
.scan-progress {
    margin-top: 15px;
}

.scan-progress .progress-text {
    text-align: left;
}

/* Demo Mode Styles */
.demo-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 25px 0;
    color: var(--terminal-green-muted);
}

.demo-divider::before,
.demo-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--terminal-green-dark);
}

.demo-divider span {
    padding: 0 15px;
    font-size: 1em;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn-demo {
    width: 100%;
    padding: 14px;
    font-size: 1.1em;
}

.demo-hint {
    display: block;
    text-align: center;
    color: var(--terminal-green-muted);
    font-size: 0.95em;
    margin-top: 12px;
}

/* App Footer */
.app-footer {
    text-align: center;
    padding: 20px 30px;
    border-top: 1px solid var(--terminal-green-dark);
    color: var(--terminal-green-muted);
    font-size: 0.9em;
}

.app-footer a {
    color: var(--terminal-green-dim);
}

.app-footer a:hover {
    color: var(--terminal-green);
}

.footer-divider {
    margin: 0 10px;
}

/* Settings Panel */
.settings-group {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--terminal-green-dark);
}

.settings-group:last-of-type {
    border-bottom: none;
}

.settings-group h3 {
    color: var(--terminal-green);
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: normal;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.settings-group .button-group {
    margin-top: 20px;
}

.settings-description {
    color: var(--terminal-green-dim);
    font-size: 0.95em;
    margin-bottom: 20px;
}

.clear-data-info-box {
    padding: 15px;
    border: 1px solid var(--terminal-green-dark);
    background: var(--terminal-bg-light);
    margin-bottom: 15px;
}

.clear-data-info-box p {
    color: var(--terminal-green);
    margin: 0 0 8px 0;
    font-size: 1.05em;
}

.clear-data-info-box small {
    color: var(--terminal-green-muted);
    font-size: 0.9em;
}

/* Data Toggle Link */
.data-toggle-link {
    color: var(--terminal-green);
    text-decoration: none;
    font-size: 0.85em;
    margin-left: 10px;
}

.data-toggle-link:hover {
    color: var(--terminal-green-bright);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Stored Data Viewer */
.stored-data-viewer {
    margin-top: 15px;
    border: 1px solid var(--terminal-green-dark);
    background: var(--terminal-bg);
    max-height: 300px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85em;
}

.data-table th,
.data-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--terminal-green-dark);
}

.data-table th {
    background: var(--terminal-bg-light);
    color: var(--terminal-green);
    font-weight: normal;
    letter-spacing: 1px;
}

.data-table td {
    color: var(--terminal-green-muted);
    word-break: break-all;
}

.data-table td:first-child {
    color: var(--terminal-green);
    white-space: nowrap;
    width: 30%;
}

.data-table .data-value {
    font-family: monospace;
    font-size: 0.9em;
}

/* Data sections */
.data-section {
    margin-bottom: 20px;
}

.data-section:last-child {
    margin-bottom: 0;
}

.data-section h4 {
    color: var(--terminal-green);
    font-size: 0.9em;
    margin: 0 0 10px 0;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--terminal-green-dark);
    letter-spacing: 1px;
}

.data-section h4 span {
    color: var(--terminal-green-muted);
    font-weight: normal;
}

.data-empty {
    color: var(--terminal-green-muted);
    font-style: italic;
    font-size: 0.9em;
    padding: 10px 0;
}

/* Returning User Message */
#returningUserMessage {
    padding: 20px;
    border: 2px solid var(--terminal-green-dark);
    background: var(--terminal-bg-light);
    margin-bottom: 25px;
    text-align: center;
}

#returningUserMessage p {
    color: var(--terminal-green);
    font-size: 1.15em;
    margin: 0;
    letter-spacing: 1px;
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Settings Tab Clickable */
#settingsTab {
    cursor: pointer;
}

#settingsTab:hover {
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Settings section - disable boot animations (section starts hidden) */
#settings h2,
#settings h3,
#settings p,
#settings .input-group,
#settings .checkbox-group,
#settings .button-group,
#settings .btn-primary,
#settings .btn-tertiary,
#settings .settings-description,
#settings .clear-data-info-box,
#settings .stored-data-viewer,
#settings .data-section,
#settings .data-section h4,
#settings .data-table,
#settings .data-table th,
#settings .data-table td,
#settings .data-empty {
    opacity: 1 !important;
    animation: none !important;
    clip-path: none !important;
}

/* Mobile Settings Button - hidden by default (visible when tabs hidden) */
#mobileSettingsBtn {
    display: none;
    width: 100%;
    margin-top: 15px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--terminal-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--terminal-green-dark);
    border: 1px solid var(--terminal-bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--terminal-green-dim);
}

/* ============================================
   PHASE 3: ADVANCED EFFECTS
   ============================================ */

/* Screen Flicker Animation - CRT power fluctuation */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    41% { opacity: 1; }
    42% { opacity: 0.9; }
    43% { opacity: 1; }
    44% { opacity: 0.85; }
    45% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.92; }
    94% { opacity: 1; }
}

.pipboy-screen {
    animation: flicker 3s infinite;
}

/* Text Glow Pulse - Breathing effect for active elements */
@keyframes glow-pulse {
    0%, 100% {
        text-shadow: 0 0 5px var(--terminal-shadow);
        filter: brightness(1);
    }
    50% {
        text-shadow: 0 0 20px var(--terminal-glow), 0 0 40px var(--terminal-green), 0 0 60px var(--terminal-shadow);
        filter: brightness(1.2);
    }
}

/* Apply glow pulse to buttons on hover */
.btn-primary:hover,
.btn-secondary:hover,
.btn-tertiary:hover {
    animation: glow-pulse 1s ease-in-out infinite;
}

/* Links glow on hover */
a:hover {
    animation: glow-pulse 1s ease-in-out infinite;
}

/* Terminal Boot Sequence Animation */

/* CRT scan-line reveal - content appears as if scanning down */
@keyframes crt-line-reveal {
    0% {
        clip-path: inset(0 0 100% 0);
        opacity: 0.8;
    }
    100% {
        clip-path: inset(0 0 0% 0);
        opacity: 1;
    }
}

/* Flicker-in for individual elements */
@keyframes boot-flicker-in {
    0% { opacity: 0; }
    15% { opacity: 0.4; }
    25% { opacity: 0.1; }
    40% { opacity: 0.7; }
    50% { opacity: 0.3; }
    65% { opacity: 0.9; }
    75% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Text typing reveal effect */
@keyframes type-reveal {
    0% {
        clip-path: inset(0 100% 0 0);
        opacity: 0.7;
    }
    100% {
        clip-path: inset(0 0% 0 0);
        opacity: 1;
    }
}

@keyframes cursor-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Boot animation for main headings */
.terminal-content h1 {
    animation: boot-flicker-in 0.5s ease-out forwards;
    animation-delay: 0.1s;
    opacity: 0;
}

.terminal-content h2 {
    animation: type-reveal 0.4s ease-out forwards;
    opacity: 0;
}

/* Stagger h2 elements */
.terminal-content .section:nth-child(1) h2 { animation-delay: 0.2s; }
.terminal-content .section:nth-child(2) h2 { animation-delay: 0.25s; }
.terminal-content .section:nth-child(3) h2 { animation-delay: 0.3s; }

/* Boot animation for paragraphs and descriptions */
.terminal-content p,
.terminal-content .welcome-text,
.terminal-content .filter-description {
    animation: crt-line-reveal 0.3s ease-out forwards;
    opacity: 0;
}

/* Stagger paragraphs */
.terminal-content .section:nth-child(1) p { animation-delay: 0.3s; }
.terminal-content .section:nth-child(1) .welcome-text { animation-delay: 0.35s; }
.terminal-content .section:nth-child(2) p { animation-delay: 0.4s; }
.terminal-content .section:nth-child(2) .filter-description { animation-delay: 0.35s; }

/* Boot animation for input groups */
.terminal-content .input-group {
    animation: crt-line-reveal 0.25s ease-out forwards;
    opacity: 0;
}

/* Stagger input groups */
.terminal-content .input-group:nth-of-type(1) { animation-delay: 0.4s; }
.terminal-content .input-group:nth-of-type(2) { animation-delay: 0.5s; }
.terminal-content .input-group:nth-of-type(3) { animation-delay: 0.6s; }

/* Boot animation for checkboxes and toggles */
.terminal-content .checkbox-group,
.terminal-content .filter-item {
    animation: boot-flicker-in 0.3s ease-out forwards;
    opacity: 0;
}

.terminal-content .checkbox-group { animation-delay: 0.65s; }
.terminal-content .filter-item:nth-of-type(1) { animation-delay: 0.4s; }
.terminal-content .filter-item:nth-of-type(2) { animation-delay: 0.5s; }
.terminal-content .filter-item:nth-of-type(3) { animation-delay: 0.6s; }

/* Boot animation for buttons */
.terminal-content .btn-primary,
.terminal-content .btn-demo {
    animation: boot-flicker-in 0.4s ease-out forwards;
    opacity: 0;
}

.terminal-content .btn-primary { animation-delay: 0.7s; }
.terminal-content .btn-demo { animation-delay: 0.85s; }

/* Boot animation for button groups */
.terminal-content .button-group {
    animation: crt-line-reveal 0.3s ease-out forwards;
    animation-delay: 0.75s;
    opacity: 0;
}

/* Boot animation for dividers */
.terminal-content .demo-divider {
    animation: type-reveal 0.5s ease-out forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

/* Boot animation for tips */
.terminal-content .vault-tec-tip {
    animation: boot-flicker-in 0.5s ease-out forwards;
    animation-delay: 0.95s;
    opacity: 0;
}

/* Boot animation for question options */
.terminal-content .option {
    animation: crt-line-reveal 0.2s ease-out forwards;
    opacity: 0;
}

.terminal-content .option:nth-child(1) { animation-delay: 0.3s; }
.terminal-content .option:nth-child(2) { animation-delay: 0.4s; }
.terminal-content .option:nth-child(3) { animation-delay: 0.5s; }
.terminal-content .option:nth-child(4) { animation-delay: 0.6s; }

/* Boot animation for filter count */
.terminal-content .filter-count {
    animation: boot-flicker-in 0.4s ease-out forwards;
    animation-delay: 0.7s;
    opacity: 0;
}

/* Boot animation for recommendation card */
#recommendedGame {
    animation: boot-flicker-in 0.6s ease-out forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

/* Elements inside recommendation card */
#recommendedGame .game-header-image {
    animation: crt-line-reveal 0.4s ease-out forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

#recommendedGame h3 {
    animation: type-reveal 0.5s ease-out forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

#recommendedGame .game-tags {
    animation: boot-flicker-in 0.3s ease-out forwards;
    animation-delay: 0.65s;
    opacity: 0;
}

#recommendedGame .game-stats {
    animation: crt-line-reveal 0.3s ease-out forwards;
    animation-delay: 0.75s;
    opacity: 0;
}

/* Cursor blink effect for loading states */
#loading::after {
    content: '_';
    animation: cursor-blink 0.8s step-end infinite;
    margin-left: 2px;
}

/* Box glow pulse for interactive elements */
@keyframes box-glow-pulse {
    0%, 100% {
        box-shadow: 0 0 5px var(--terminal-shadow);
        border-color: var(--terminal-green);
    }
    50% {
        box-shadow: 0 0 20px var(--terminal-glow), 0 0 35px var(--terminal-shadow);
        border-color: var(--terminal-green);
    }
}

/* Selected options pulse */
.option.selected {
    animation: box-glow-pulse 2.5s ease-in-out infinite;
    opacity: 1 !important;
    clip-path: none !important;
}

/* Progress bar glow animation */
@keyframes progress-glow {
    0%, 100% {
        box-shadow: 0 0 10px var(--terminal-glow);
    }
    50% {
        box-shadow: 0 0 20px var(--terminal-glow), 0 0 30px var(--terminal-shadow);
    }
}

.progress-bar {
    animation: progress-glow 1.5s ease-in-out infinite;
}

/* ============================================
   ACCESSIBILITY: REDUCED MOTION SUPPORT
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    /* Disable all animations */
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    /* Remove flicker effect */
    .pipboy-screen {
        animation: none;
        opacity: 1;
    }

    /* Keep content visible without boot animation */
    .terminal-content .section,
    .terminal-content h1,
    .terminal-content h2,
    .terminal-content p,
    .terminal-content .welcome-text,
    .terminal-content .filter-description,
    .terminal-content .input-group,
    .terminal-content .checkbox-group,
    .terminal-content .filter-item,
    .terminal-content .btn-primary,
    .terminal-content .btn-demo,
    .terminal-content .button-group,
    .terminal-content .demo-divider,
    .terminal-content .vault-tec-tip,
    .terminal-content .option,
    .terminal-content .filter-count,
    #recommendedGame,
    #recommendedGame .game-header-image,
    #recommendedGame h3,
    #recommendedGame .game-tags,
    #recommendedGame .game-stats {
        opacity: 1 !important;
        animation: none !important;
        filter: none !important;
        transform: none !important;
        clip-path: none !important;
    }

    /* Remove cursor blink */
    #loading::after {
        animation: none;
        opacity: 1;
    }

    /* Static glows instead of animated */
    .btn-primary:hover,
    .btn-secondary:hover,
    .btn-tertiary:hover,
    a:hover {
        animation: none;
        text-shadow: 0 0 10px var(--terminal-glow);
        filter: none;
    }

    .option.selected {
        animation: none;
        box-shadow: 0 0 10px var(--terminal-shadow);
    }

    .progress-bar {
        animation: none;
        box-shadow: 0 0 10px var(--terminal-glow);
    }
}

/* Responsive Breakpoints */
@media (max-width: 600px) {
    body {
        padding: 10px;
        font-size: 16px;
    }

    .pipboy-frame {
        border-width: 2px;
    }

    /* Hide tabs on mobile, simplify header */
    .pipboy-header {
        padding: 10px 15px;
    }

    .pipboy-tabs {
        display: none;
    }

    /* Show mobile settings button when tabs are hidden */
    #mobileSettingsBtn {
        display: block;
    }

    .logo-text {
        font-size: 1.2em;
    }

    .logo-brand {
        font-size: 0.75em;
    }

    /* Simplify footer on mobile */
    .pipboy-footer {
        padding: 10px 15px;
        font-size: 0.8em;
        justify-content: center;
    }

    .container {
        padding: 20px;
    }

    h1 {
        font-size: 1.6em;
        letter-spacing: 2px;
    }

    h2 {
        font-size: 1.3em;
    }

    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 1.1em;
    }

    .button-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-secondary {
        margin-right: 0;
        margin-bottom: 10px;
    }

    .game-stats {
        flex-direction: column;
        gap: 15px;
    }

    .filter-item small {
        margin-left: 0;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.4em;
        letter-spacing: 1px;
    }

    .container {
        padding: 15px;
    }

    .option {
        padding: 12px 15px;
        padding-left: 40px;
    }
}