/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
    touch-action: manipulation;
}

:root {
    --bg-dark: #0a110a;
    --bg-card: #0d1a0d;
    --bg-input: #142214;
    --neon-green: #00ff88;
    --neon-green-dark: #00cc66;
    --neon-lime: #88ff00;
    --neon-magenta: #ff00ff;
    --neon-red: #ff3366;
    --neon-yellow: #ffee00;
    --text-primary: #e0f0e0;
    --text-secondary: #88a688;
    --border-color: #2a4a2a;
    --glow-green: 0 0 20px rgba(0, 255, 136, 0.5);
    --glow-lime: 0 0 20px rgba(136, 255, 0, 0.5);
    --glow-red: 0 0 20px rgba(255, 51, 102, 0.5);
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    background-image:
        radial-gradient(ellipse at top, #1a3a1a 0%, transparent 50%),
        radial-gradient(ellipse at bottom, #0a1a0a 0%, transparent 50%);
    min-height: 100vh;
    color: var(--text-primary);
}

#app {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.screen {
    display: none;
    width: 100%;
    max-width: 900px;
}

.screen.active {
    display: block;
}

.container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px 30px;
    box-shadow:
        0 0 40px rgba(0, 255, 136, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    text-align: center;
}

/* Typography */
h1 {
    font-size: 2.2rem;
    color: var(--neon-green);
    margin-bottom: 10px;
    text-shadow: var(--glow-green);
    font-weight: 600;
    letter-spacing: 1px;
}

h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* Grandma Avatar */
.grandma-avatar {
    font-size: 4rem;
    margin: 10px 0;
    animation: gentle-bounce 2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.3));
}

/* Start screen: float grandma to top-right to save vertical space */
#start-screen .container {
    position: relative;
}

#start-screen .grandma-avatar {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 3.5rem;
    margin: 0;
}

@keyframes gentle-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-style: italic;
}

/* Player Info */
.player-info {
    margin-bottom: 15px;
}

.player-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.player-name {
    display: block;
    font-size: 1.5rem;
    color: var(--neon-lime);
    font-family: 'Courier New', monospace;
    font-weight: bold;
    text-shadow: var(--glow-lime);
    margin-top: 5px;
}

.player-container {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 12px;
    min-width: 150px;
}

.player-label-small {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.player-name-small {
    font-size: 1rem;
    color: var(--neon-lime);
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

/* Instructions */
.instructions {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    margin: 12px 0 18px;
    text-align: left;
}

.instructions h2 {
    text-align: center;
    margin-bottom: 15px;
    color: var(--neon-green);
}

.instructions ul {
    list-style: none;
    padding: 0;
}

.instructions li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.instructions li::before {
    content: ">";
    position: absolute;
    left: 5px;
    color: var(--neon-lime);
    font-family: monospace;
    font-weight: bold;
}

.instructions li strong {
    color: var(--neon-yellow);
}

/* Buttons */
.btn {
    font-family: inherit;
    font-size: 1.2rem;
    padding: 15px 40px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
    min-height: 48px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-green-dark) 100%);
    color: var(--bg-dark);
    box-shadow: var(--glow-green);
}

.btn-primary:hover,
.btn-primary:active {
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.7);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Game Header */
.game-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.timer-container,
.stage-container,
.score-container {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 12px;
    min-width: 90px;
}

.timer-label,
.stage-label,
.score-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer,
.stage-value,
.score {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--neon-green);
    font-family: 'Courier New', monospace;
}

.timer.warning {
    color: var(--neon-red);
    text-shadow: var(--glow-red);
    animation: pulse 1s ease-in-out infinite;
}

/* Chat Bubbles */
.chat-bubbles {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

.chat-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.chat-row-left {
    justify-content: flex-start;
}

.chat-row-right {
    justify-content: flex-end;
}

.chat-avatar {
    font-size: 2.2rem;
    flex-shrink: 0;
    line-height: 1;
    filter: drop-shadow(0 0 6px rgba(0, 255, 136, 0.3));
}

/* Stack of bubbles from the friend (message + title) */
.chat-bubble-stack {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 80%;
}

.chat-bubble {
    background: rgba(20, 34, 20, 0.9);
    border: 2px solid var(--border-color);
    padding: 10px 16px;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.4;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Left bubble (friend) */
.chat-bubble-left {
    border-radius: 16px 16px 16px 4px;
    color: var(--text-primary);
}

/* The big job title bubble */
.chat-bubble-title {
    border-color: var(--neon-green);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(20, 34, 20, 0.95) 100%);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.15), 0 2px 8px rgba(0, 0, 0, 0.3);
    font-size: 1.5rem;
    font-weight: bold;
    font-family: 'Courier New', monospace;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    padding: 12px 18px;
    border-radius: 4px 16px 16px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* Right bubble (grandma) */
.chat-bubble-right {
    border-radius: 16px 16px 4px 16px;
    font-style: italic;
    color: var(--text-secondary);
    border-color: rgba(136, 166, 136, 0.4);
}

.chat-bubble-right.happy {
    border-color: var(--neon-lime);
    background: linear-gradient(135deg, rgba(136, 255, 0, 0.12) 0%, rgba(20, 34, 20, 0.95) 100%);
    box-shadow: 0 0 15px rgba(136, 255, 0, 0.2), 0 2px 8px rgba(0, 0, 0, 0.3);
    color: var(--neon-lime);
    font-style: normal;
}

.tier-indicator {
    background: var(--neon-lime);
    color: var(--bg-dark);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Found bar */
.found-bar {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    text-align: center;
    margin-bottom: 4px;
}

.jargon-hits-counter {
    color: var(--neon-red);
}

/* Red screen flash effect */
.screen-flash {
    animation: flash-red 0.3s ease-out;
}

@keyframes flash-red {
    0% { background-color: rgba(255, 51, 102, 0.3); }
    100% { background-color: transparent; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* ========================= */
/* Word Cloud                */
/* ========================= */
.word-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 10px 5px;
    margin-top: 5px;
}

.word-btn {
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 10px 18px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
    min-height: 48px;
    user-select: none;
    -webkit-user-select: none;
}

/* Three size variants for visual variety */
.word-btn.word-sm {
    font-size: 0.85rem;
    padding: 8px 14px;
    min-height: 44px;
}

.word-btn.word-md {
    font-size: 1rem;
    padding: 10px 18px;
    min-height: 48px;
}

.word-btn.word-lg {
    font-size: 1.15rem;
    padding: 12px 22px;
    min-height: 52px;
}

.word-btn:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.word-btn:active {
    transform: scale(0.95);
}

/* Correct word — green glow, stays lit */
.word-btn.correct {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2) 0%, rgba(136, 255, 0, 0.15) 100%);
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: var(--glow-green);
    cursor: default;
    animation: pop-in 0.3s ease-out;
}

@keyframes pop-in {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* Wrong word — red flash */
.word-btn.wrong {
    background: linear-gradient(135deg, rgba(255, 51, 102, 0.3) 0%, rgba(255, 0, 50, 0.2) 100%);
    border-color: var(--neon-red);
    color: var(--neon-red);
    box-shadow: var(--glow-red);
    animation: shake 0.5s ease-in-out;
}

/* Disabled (greyed out after wrong tap) */
.word-btn.disabled {
    background: rgba(30, 40, 30, 0.5);
    border-color: rgba(60, 80, 60, 0.3);
    color: rgba(100, 120, 100, 0.4);
    cursor: default;
    box-shadow: none;
}

.word-btn.disabled:hover {
    border-color: rgba(60, 80, 60, 0.3);
    box-shadow: none;
}

/* End Screen */
.final-score {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 102, 0.1) 100%);
    border: 1px solid var(--neon-green);
    padding: 30px;
    border-radius: 16px;
    margin: 20px 0;
    box-shadow: var(--glow-green);
}

.final-score-label {
    display: block;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.final-score-value {
    font-size: 5rem;
    font-weight: bold;
    color: var(--neon-green);
    text-shadow: var(--glow-green);
    font-family: 'Courier New', monospace;
}

.final-score-max {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

.grandma-final-message {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text-secondary);
    margin: 20px 0;
    padding: 20px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.grandma-final-message p {
    margin: 0;
}

/* End stats row */
.end-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0 30px;
}

.end-stat {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 25px;
    min-width: 90px;
}

.end-stat-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--neon-green);
    font-family: 'Courier New', monospace;
}

.end-stat-good {
    color: var(--neon-lime);
}

.end-stat-bad {
    color: var(--neon-red);
}

.end-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

/* Safe area insets for notched phones */
#app {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
}

@supports (height: 100dvh) {
    #app {
        min-height: 100dvh;
    }

    body {
        min-height: 100dvh;
    }
}

/* Responsive - phones */
@media (max-width: 600px) {
    #app {
        padding: 10px;
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
    }

    .container {
        padding: 20px 16px;
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }

    .tagline {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .grandma-avatar {
        font-size: 3.5rem;
        margin: 12px 0;
    }

    #start-screen .grandma-avatar {
        font-size: 2.5rem;
        top: 10px;
        right: 10px;
    }

    .instructions {
        padding: 18px;
        margin: 15px 0 20px;
    }

    .instructions li {
        font-size: 1rem;
        padding: 8px 0;
        padding-left: 25px;
    }

    /* Compact horizontal game header */
    .game-header {
        gap: 8px;
    }

    .timer-container,
    .stage-container,
    .score-container {
        min-width: auto;
        padding: 8px 10px;
    }

    .player-container {
        padding: 8px 10px;
        min-width: auto;
    }

    .timer,
    .stage-value,
    .score {
        font-size: 1.3rem;
    }

    .timer-label,
    .stage-label,
    .score-label,
    .player-label-small {
        font-size: 0.6rem;
    }

    .player-name-small {
        font-size: 0.85rem;
    }

    /* Chat bubbles */
    .chat-bubble {
        font-size: 0.9rem;
        padding: 8px 12px;
    }

    .chat-bubble-title {
        font-size: 1.2rem;
        padding: 10px 14px;
    }

    .chat-avatar {
        font-size: 1.8rem;
    }

    .chat-bubble-stack {
        max-width: 85%;
    }

    /* Word cloud */
    .word-cloud {
        gap: 8px;
        padding: 10px;
    }

    .word-btn.word-sm {
        font-size: 0.8rem;
        padding: 7px 12px;
    }

    .word-btn.word-md {
        font-size: 0.9rem;
        padding: 9px 15px;
    }

    .word-btn.word-lg {
        font-size: 1rem;
        padding: 10px 18px;
    }

    /* End screen */
    .final-score {
        padding: 20px;
        margin: 15px 0;
    }

    .final-score-value {
        font-size: 3.5rem;
    }

    .grandma-final-message {
        font-size: 1.1rem;
        padding: 15px;
        margin: 15px 0;
    }

    .end-stats {
        gap: 10px;
        margin: 15px 0 20px;
    }

    .end-stat {
        padding: 12px 15px;
        min-width: 70px;
    }

    .end-stat-value {
        font-size: 1.5rem;
    }

    .btn-primary {
        width: 100%;
        padding: 16px;
    }
}

/* Very small phones */
@media (max-width: 380px) {
    .container {
        padding: 16px 12px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .grandma-avatar {
        font-size: 3rem;
    }

    #start-screen .grandma-avatar {
        font-size: 2rem;
    }

    .timer,
    .stage-value,
    .score {
        font-size: 1.1rem;
    }

    .chat-bubble {
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    .chat-bubble-title {
        font-size: 1rem;
        padding: 8px 12px;
    }

    .chat-avatar {
        font-size: 1.5rem;
    }

    .word-cloud {
        gap: 6px;
        padding: 8px;
    }
}

/* iPad and tablet styles */
@media (min-width: 601px) and (max-width: 1024px) {
    #app {
        padding: 10px;
    }

    .container {
        padding: 20px 25px;
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }

    .grandma-avatar {
        font-size: 3rem;
        margin: 8px 0;
    }

    .tagline {
        font-size: 1.05rem;
        margin-bottom: 10px;
    }

    .player-info {
        margin-bottom: 12px;
    }

    .player-name {
        font-size: 1.2rem;
    }

    .instructions {
        padding: 15px;
        margin: 10px 0 15px;
    }

    .instructions h2 {
        margin-bottom: 8px;
        font-size: 1.2rem;
    }

    .instructions li {
        padding: 5px 0;
        padding-left: 25px;
        font-size: 0.95rem;
    }

    .btn-primary {
        padding: 14px 35px;
        font-size: 1.1rem;
    }

    /* Larger touch targets for tablets */
    .btn {
        min-height: 52px;
    }

    .word-btn {
        min-height: 48px;
    }

    .word-btn.word-lg {
        font-size: 1.15rem;
        padding: 12px 22px;
    }

    .game-header {
        margin-bottom: 10px;
    }

    .chat-bubbles {
        gap: 6px;
    }

    .word-cloud {
        gap: 8px;
        padding: 8px 0;
    }

    .final-score {
        padding: 20px;
        margin: 15px 0;
    }

    .end-stats {
        margin: 15px 0 20px;
    }
}

/* Landscape mode on phones/tablets */
@media (max-height: 600px) and (orientation: landscape) {
    .grandma-avatar {
        font-size: 3rem;
        margin: 8px 0;
    }

    .container {
        padding: 15px 20px;
    }

    .game-header {
        margin-bottom: 10px;
    }

    .timer-container,
    .stage-container,
    .score-container {
        padding: 6px 12px;
    }

    .timer,
    .stage-value,
    .score {
        font-size: 1.5rem;
    }

    .chat-bubble {
        font-size: 0.85rem;
        padding: 7px 12px;
    }

    .chat-bubble-title {
        font-size: 1.1rem;
        padding: 8px 14px;
    }

    .chat-avatar {
        font-size: 1.6rem;
    }

    .word-cloud {
        gap: 6px;
        padding: 6px;
    }

    .instructions {
        margin: 10px 0 15px;
        padding: 15px;
    }

    .instructions li {
        padding: 5px 0;
        padding-left: 25px;
        font-size: 0.95rem;
    }

    .final-score {
        padding: 15px;
        margin: 10px 0;
    }

    .final-score-value {
        font-size: 3rem;
    }
}