/* CSS Custom Properties for theming */
:root {
    /* Default (normal) theme colors - set by ThemeManager.js */
    --bg-primary: #1a1a2e;
    --bg-secondary: #121a2e;
    --bg-tertiary: #16213e;
    --bg-overlay: rgba(22, 33, 62, 0.95);
    --border-primary: #0f3460;
    --border-secondary: #1a5276;
    --border-translucent: rgba(15, 52, 96, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --text-dim: #666666;
    --accent-primary: #e94560;
    --accent-secondary: #00ff88;
    --accent-tertiary: #ffd700;
    --kbd-bg: #0f3460;
    --kbd-text: #00ff88;
    --kbd-text-alt: #ffd700;
    --mode-normal-bg: #00ff88;
    --mode-normal-text: #000000;
    --mode-command-bg: #ffd700;
    --mode-command-text: #000000;
    --mode-insert-bg: #e94560;
    --mode-insert-text: #ffffff;
    --shadow-color: rgba(15, 52, 96, 0.4);
    --shadow-glow: rgba(233, 69, 96, 0.5);
    --level-1: #00ff88;
    --level-2: #ffd700;
    --level-3: #ff9500;
    --level-4: #ff5500;
    --level-5: #e94560;
    --leaderboard-gold: #ffd700;
    --leaderboard-silver: #c0c0c0;
    --leaderboard-bronze: #cd7f32;
    --font-primary: 'Courier New', monospace;

    /* Layout dimensions (matching Constants.js) - 4:3 aspect ratio, 48px cells */
    --canvas-width: 1152px;   /* 24 cols * 48px */
    --canvas-height: 864px;   /* 18 rows * 48px */
    --hud-height: 50px;
    --statusline-height: 44px;
    --container-padding-top: 20px;
    --container-padding-bottom: 30px;
}

/* Drabda theme adjustments */
body.theme-drabda {
    /* Font sizes need to be smaller with Press Start 2P */
    font-size: 10px;
}

body.theme-drabda #hud {
    font-size: 12px;
}

body.theme-drabda .screen h1 {
    font-size: 20px;
    letter-spacing: 0;
}

body.theme-drabda .screen .subtitle {
    font-size: 10px;
}

body.theme-drabda kbd {
    font-size: 8px;
    padding: 4px 6px;
}

body.theme-drabda .help-row {
    font-size: 9px;
}

body.theme-drabda .help-row kbd {
    font-size: 8px;
    min-width: auto;
    padding: 3px 6px;
}

body.theme-drabda .help-section h2 {
    font-size: 10px;
}

body.theme-drabda #mode-indicator {
    font-size: 8px;
}

body.theme-drabda #vim-statusline {
    font-size: 10px;
}

body.theme-drabda #vim-infobar {
    font-size: 8px;
}

body.theme-drabda .command-label {
    font-size: 9px;
}

body.theme-drabda .menu-commands kbd {
    font-size: 8px;
}

body.theme-drabda .start-prompt {
    font-size: 10px;
}

body.theme-drabda .menu-footer {
    font-size: 8px;
}

body.theme-drabda #player-name {
    font-size: 12px;
}

body.theme-drabda .leaderboard-name {
    font-size: 10px;
}

body.theme-drabda .leaderboard-score {
    font-size: 12px;
}

body.theme-drabda .help-tab {
    font-size: 8px;
    padding: 6px 12px;
}

body.theme-drabda .help-section h3 {
    font-size: 9px;
}

body.theme-drabda .tutorial-section h3 {
    font-size: 10px;
}

body.theme-drabda .tutorial-section p,
body.theme-drabda .tutorial-section li {
    font-size: 9px;
}

body.theme-drabda .help-tip {
    font-size: 8px;
}

body.theme-drabda .help-row .cost {
    font-size: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-primary);
    overflow: hidden;
}

#game-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--bg-secondary);
    padding: var(--container-padding-top) 40px var(--container-padding-bottom) 40px;
    border-radius: 12px;
    box-shadow: 0 0 50px var(--shadow-color);
    /* Fixed height for consistent layout */
    width: calc(var(--canvas-width) + 80px);  /* canvas + padding */
    height: calc(var(--canvas-height) + var(--hud-height) + var(--container-padding-top) + var(--container-padding-bottom) + 6px);
}

#game-canvas {
    background-color: var(--bg-tertiary);
    border: 3px solid var(--border-primary);
    border-radius: 8px;
    box-shadow: 0 0 30px var(--shadow-color);
    margin-top: 50px;
}

#hud {
    position: absolute;
    top: 10px;
    left: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--border-translucent);
    border-radius: 8px;
    color: var(--accent-primary);
    font-size: 18px;
    font-weight: bold;
}

.hud-left,
.hud-right {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.hud-left {
    justify-content: flex-start;
}

.hud-right {
    justify-content: flex-end;
}

.hud-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* Vim Statusline */
#vim-statusline {
    position: absolute;
    bottom: 10px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 14px;
    height: 32px;
    opacity: 0;
    transition: opacity 0.1s ease;
    pointer-events: none;
    z-index: 100;
}

#vim-statusline.visible {
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.05s ease;
}

#mode-indicator {
    background-color: var(--mode-normal-bg);
    color: var(--mode-normal-text);
    padding: 2px 8px;
    border-radius: 2px;
    font-weight: bold;
    font-size: 12px;
    text-transform: uppercase;
}

#mode-indicator.command-mode {
    background-color: var(--mode-command-bg);
    color: var(--mode-command-text);
}

#mode-indicator.insert-mode {
    background-color: var(--mode-insert-bg);
    color: var(--mode-insert-text);
}

#command-line {
    flex: 1;
    margin-left: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

#command-prefix {
    color: var(--accent-tertiary);
}

#command-buffer {
    color: var(--text-primary);
}

#cursor {
    color: var(--accent-secondary);
    animation: blink 1s step-end infinite;
    opacity: 0;
}

#cursor.visible {
    opacity: 1;
}

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

#statusline-hint {
    color: var(--text-dim);
    font-size: 12px;
}

/* Vim Infobar - Neovim-style permanent status line */
#vim-infobar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 12px;
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-secondary);
    font-family: var(--font-primary);
    font-size: 11px;
    color: var(--text-dim);
    z-index: 50;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#vim-infobar.visible {
    opacity: 1;
}

.infobar-left,
.infobar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.infobar-separator {
    color: var(--border-secondary);
    opacity: 0.5;
}

#infobar-player {
    color: var(--accent-primary);
    font-weight: bold;
}

#infobar-time {
    color: var(--text-dim);
}

#infobar-position {
    color: var(--text-secondary);
    font-weight: bold;
    font-family: var(--font-primary);
}

/* Level Indicator */
#level-indicator {
    display: flex;
    align-items: center;
    padding: 4px 10px;
    background: var(--border-translucent);
    border-radius: 4px;
    border: 1px solid var(--border-secondary);
}

#speed-level {
    font-size: 14px;
    color: var(--level-1);
    font-weight: bold;
    min-width: 40px;
    text-align: center;
}

/* Speed level colors */
#level-indicator.level-1 #speed-level { color: var(--level-1); }
#level-indicator.level-2 #speed-level { color: var(--level-2); }
#level-indicator.level-3 #speed-level { color: var(--level-3); }
#level-indicator.level-4 #speed-level { color: var(--level-4); }
#level-indicator.level-5 #speed-level { color: var(--level-5); }

#overlay {
    position: absolute;
    top: calc(var(--hud-height) + var(--container-padding-top));
    left: 40px;
    right: 40px;
    bottom: 50px;
    background-color: var(--bg-overlay);
    display: flex;
    justify-content: center;
    align-items: stretch;
    border-radius: 8px;
    overflow: hidden;
    z-index: 50;
}

#overlay.hidden {
    display: none;
}

.screen {
    text-align: center;
    color: var(--text-primary);
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: 100%;
    overflow-y: auto;
}

.screen.hidden {
    display: none;
}

.screen h1 {
    font-size: 48px;
    color: var(--accent-primary);
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--shadow-glow);
}

.screen .subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* Menu commands list */
.menu-commands {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background-color: var(--border-translucent);
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

.command-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-translucent);
}

.command-row:last-child {
    border-bottom: none;
}

.command-label {
    color: var(--text-muted);
    font-size: 13px;
    text-align: left;
}

.command-keys {
    display: flex;
    gap: 3px;
}

.command-keys kbd {
    background-color: var(--kbd-bg);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-secondary);
    color: var(--kbd-text);
    font-family: var(--font-primary);
    font-size: 13px;
}

.controls-subtitle {
    color: var(--text-muted);
    font-size: 13px;
    font-style: italic;
    margin-bottom: 20px;
}

.menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: auto;
    margin-bottom: auto;
    padding-bottom: 15%;  /* Offset above center */
}

.drabda-message {
    font-size: 10px;
    color: var(--accent-secondary);
    text-align: center;
    margin-top: 20px;
    padding: 8px 16px;
    opacity: 0.9;
    animation: pulse 2s ease-in-out infinite;
}

.drabda-message.hidden {
    display: none;
}

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

.menu-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-top: auto;
    padding-bottom: 15px;
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
}

.menu-footer span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu-footer kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--kbd-bg);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-secondary);
    color: var(--kbd-text-alt);
    font-family: var(--font-primary);
    font-size: 10px;
    min-width: 28px;
    height: 22px;
}

/* Legacy controls-hint for backwards compatibility */
.controls-hint {
    background-color: var(--border-translucent);
    padding: 20px 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.controls-hint p {
    margin: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.controls-hint .controls-subtitle {
    margin-top: 15px;
    color: var(--text-muted);
    font-style: italic;
}

.controls-hint kbd {
    background-color: var(--kbd-bg);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-secondary);
    color: var(--kbd-text);
    font-family: var(--font-primary);
    margin: 0 2px;
}

.start-prompt {
    color: var(--accent-tertiary);
    font-size: 16px;
    animation: pulse 1.5s ease-in-out infinite;
    margin-bottom: 25px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Slogan typewriter effect */
.slogan-typewriter {
    color: var(--accent-secondary);
    font-size: 14px;
    font-style: italic;
    min-height: 48px;
    line-height: 1.5;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    max-width: 400px;
    text-align: center;
}

.slogan-typewriter::after {
    content: '|';
    animation: blink-cursor 0.7s step-end infinite;
    color: var(--accent-primary);
    margin-left: 2px;
}

.slogan-typewriter.done::after {
    display: none;
}

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

#final-score, #final-high-score {
    color: var(--accent-tertiary);
    font-size: 24px;
}

/* Help screen styles */
#help-screen {
    max-height: 90%;
    overflow-y: auto;
    padding: 30px !important;
}

#help-screen h1 {
    font-size: 32px;
    margin-bottom: 15px;
}

.help-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    text-align: left;
    max-width: 450px;
    margin: 0 auto;
}

.help-section {
    background-color: var(--border-translucent);
    padding: 12px 15px;
    border-radius: 6px;
    border-left: 3px solid var(--accent-primary);
}

.help-section h2 {
    font-size: 13px;
    color: var(--accent-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.help-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 6px 0;
    font-size: 12px;
}

.help-row kbd {
    background-color: var(--kbd-bg);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-secondary);
    color: var(--kbd-text);
    font-family: var(--font-primary);
    font-size: 11px;
    min-width: 45px;
    text-align: center;
}

.help-row span {
    color: var(--text-secondary);
}

.help-row .powerup-icon {
    font-size: 10px;
    color: var(--accent-tertiary);
    margin-left: auto;
}

.help-tip {
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 5px;
}

.help-footer {
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 13px;
}

.help-footer kbd {
    background-color: var(--kbd-bg);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--kbd-text-alt);
    font-size: 12px;
}

/* Help tabs */
.help-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.help-tab {
    background: var(--border-translucent);
    border: 1px solid var(--border-secondary);
    border-radius: 6px 6px 0 0;
    color: var(--text-muted);
    font-family: var(--font-primary);
    font-size: 12px;
    padding: 8px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.help-tab:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.help-tab.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.help-tab-content {
    display: none;
}

.help-tab-content.active {
    display: block;
}

/* Help section h3 (used in new tab structure) */
.help-section h3 {
    font-size: 13px;
    color: var(--accent-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Cost indicator for gas-powered commands */
.help-row .cost {
    margin-left: auto;
    font-size: 10px;
    color: var(--accent-tertiary);
    font-style: italic;
}

/* Tutorial content in How to Play tab */
.help-content.tutorial {
    display: block;
    max-width: 500px;
}

.tutorial-section {
    background-color: var(--border-translucent);
    padding: 15px 20px;
    border-radius: 6px;
    border-left: 3px solid var(--accent-secondary);
    margin-bottom: 15px;
    text-align: left;
}

.tutorial-section h3 {
    font-size: 14px;
    color: var(--accent-secondary);
    margin-bottom: 10px;
}

.tutorial-section p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

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

.tutorial-section ul {
    list-style: none;
    padding-left: 0;
}

.tutorial-section li {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 6px 0;
    padding-left: 15px;
    position: relative;
}

.tutorial-section li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

.tutorial-section strong {
    color: var(--kbd-text);
}

/* Scrollbar for help screen */
#help-screen::-webkit-scrollbar {
    width: 6px;
}

#help-screen::-webkit-scrollbar-track {
    background: var(--border-translucent);
    border-radius: 3px;
}

#help-screen::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

/* Name input screen */
.name-input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.name-input-container label {
    color: var(--text-secondary);
    font-size: 16px;
}

#player-name {
    background-color: var(--kbd-bg);
    border: 2px solid var(--border-secondary);
    border-radius: 6px;
    color: var(--kbd-text);
    font-family: var(--font-primary);
    font-size: 20px;
    padding: 12px 20px;
    text-align: center;
    outline: none;
    width: 200px;
}

#player-name:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--shadow-glow);
}

#player-name::placeholder {
    color: var(--text-dim);
}

.name-hint {
    color: var(--text-muted);
    font-size: 14px;
}

.leaderboard-hint {
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 15px;
}

/* Leaderboard */
.leaderboard-container {
    background-color: var(--border-translucent);
    border-radius: 8px;
    padding: 20px;
    min-width: 300px;
    max-height: 400px;
    overflow-y: auto;
}

.leaderboard-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-translucent);
}

.leaderboard-entry:last-child {
    border-bottom: none;
}

.leaderboard-entry.highlight {
    background-color: var(--shadow-glow);
    border-radius: 4px;
}

.leaderboard-rank {
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 18px;
    min-width: 30px;
}

.leaderboard-rank.gold { color: var(--leaderboard-gold); }
.leaderboard-rank.silver { color: var(--leaderboard-silver); }
.leaderboard-rank.bronze { color: var(--leaderboard-bronze); }

.leaderboard-name {
    color: var(--accent-secondary);
    font-size: 16px;
    flex: 1;
    margin-left: 15px;
}

.leaderboard-score {
    color: var(--accent-tertiary);
    font-size: 18px;
    font-weight: bold;
}

.leaderboard-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 30px;
    font-style: italic;
}

#player-display-name {
    color: var(--accent-secondary);
}

/* Lives display */
/* HUD Items container - lives and powerups */
#hud-items {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Base style for HUD items (lives, gas, etc.) */
.hud-item {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--border-translucent);
    border: 2px solid var(--border-secondary);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 16px;
    transition: all 0.2s ease;
}

.hud-item.hidden {
    display: none;
}

/* Item count number */
.item-count {
    font-size: 12px;
    font-weight: bold;
    margin-left: 4px;
    color: var(--text-primary);
    min-width: 14px;
    text-align: center;
}

/* Lives indicator */
#lives-indicator {
    border-color: var(--accent-tertiary);
}

#lives-indicator.critical {
    border-color: var(--accent-danger, #ff4444);
    animation: pulse-danger 1s ease-in-out infinite;
}

@keyframes pulse-danger {
    0%, 100% { box-shadow: 0 0 4px var(--accent-danger, #ff4444); }
    50% { box-shadow: 0 0 12px var(--accent-danger, #ff4444); }
}

/* Gas can indicator */
#powerup-gas {
    border-color: var(--border-secondary);
}

#powerup-gas:not(.hidden) {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 8px var(--shadow-glow);
}

/* Legacy compatibility - redirect old selectors */
.powerup {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--border-translucent);
    border: 2px solid var(--border-secondary);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 18px;
    transition: all 0.2s ease;
    cursor: default;
}


/* Dev Sidebar - attached to game container right edge */
#dev-sidebar {
    position: absolute;
    top: 12px;
    right: -52px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(8px);
    padding: 8px;
    border-radius: 8px;
    border: 1px solid var(--border-secondary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Sidebar Button Base - square buttons */
.sidebar-btn {
    cursor: pointer;
    font-size: 14px;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 5px;
    background: var(--border-translucent);
    border: 1px solid var(--border-secondary);
    color: var(--text-muted);
    font-family: var(--font-primary);
    transition: all 0.2s ease;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.sidebar-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    transform: translateX(-2px);
}

.sidebar-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 8px var(--shadow-glow);
}

/* Theme toggle - smaller text to fit */
#theme-toggle {
    font-size: 9px;
    font-weight: bold;
}