/* ===== Wordle — Neon Edition Styles ===== */
:root {
    --bg-primary: #060614;
    --bg-card: rgba(15, 15, 35, 0.85);
    --text-primary: #e4e4f0;
    --text-dim: rgba(228, 228, 240, 0.5);
    --neon-green: #00ff88;
    --neon-blue: #00d4ff;
    --neon-pink: #ff2d75;
    --neon-purple: #b44dff;
    --neon-yellow: #ffe600;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    touch-action: manipulation;
    -webkit-text-size-adjust: 100%;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(255, 45, 117, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

#app {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 500px;
    padding: 14px 16px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

/* Top Bar */
#top-bar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#back-link {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--neon-green);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

#back-link:hover {
    opacity: 1;
}

#mute-btn {
    background: none;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--neon-green);
    font-family: 'Orbitron', sans-serif;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.mute-label {
    font-size: 0.5rem;
    letter-spacing: 0.1em;
}

/* Header */
#header {
    text-align: center;
}

#title {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: clamp(1.4rem, 5vw, 2rem);
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, var(--neon-green), var(--neon-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 18px rgba(0, 255, 136, 0.3));
}

#subtitle {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.55rem;
    letter-spacing: 0.4em;
    color: var(--text-dim);
    margin-top: 2px;
}

/* HUD */
#hud {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    padding: 8px 24px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hud-item {
    text-align: center;
}

.hud-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.4rem;
    letter-spacing: 0.15em;
    color: var(--text-dim);
    display: block;
}

.hud-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--neon-green);
}

/* Board */
#board {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 6px;
}

.board-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
}

.tile {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 900;
    text-transform: uppercase;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: transparent;
    color: var(--text-primary);
    transition: border-color 0.2s, transform 0.1s;
}

.tile.filled {
    border-color: rgba(255, 255, 255, 0.25);
    animation: tile-pop 0.1s ease;
}

.tile.correct {
    background: rgba(0, 255, 136, 0.2);
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.15);
    animation: tile-flip 0.5s ease;
}

.tile.present {
    background: rgba(255, 230, 0, 0.15);
    border-color: var(--neon-yellow);
    color: var(--neon-yellow);
    box-shadow: 0 0 10px rgba(255, 230, 0, 0.1);
    animation: tile-flip 0.5s ease;
}

.tile.absent {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.3);
    animation: tile-flip 0.5s ease;
}

@keyframes tile-pop {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

@keyframes tile-flip {
    0% {
        transform: rotateX(90deg);
    }

    100% {
        transform: rotateX(0);
    }
}

.tile.shake {
    animation: tile-shake 0.4s ease;
}

@keyframes tile-shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    75% {
        transform: translateX(4px);
    }
}

/* Message */
#message {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    padding: 6px 18px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    animation: msg-fade 0.3s ease;
}

#message.hidden {
    display: none;
}

@keyframes msg-fade {
    0% {
        opacity: 0;
        transform: translateY(-6px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Keyboard */
#keyboard {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    width: 100%;
    max-width: 420px;
}

.kb-row {
    display: flex;
    gap: 4px;
}

.kb-key {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 10px 12px;
    min-width: 28px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    text-align: center;
}

.kb-key:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.kb-key.wide {
    min-width: 52px;
    font-size: 0.55rem;
}

.kb-key.correct {
    background: rgba(0, 255, 136, 0.2);
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.kb-key.present {
    background: rgba(255, 230, 0, 0.15);
    border-color: var(--neon-yellow);
    color: var(--neon-yellow);
}

.kb-key.absent {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.2);
}

/* Misc */
#controls-hint {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.45rem;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    text-align: center;
}

#footer {
    text-align: center;
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-top: 2px;
}

/* Responsive */
@media (max-width: 420px) {
    body {
        overflow-y: auto;
        align-items: flex-start;
    }

    #app {
        padding: 10px 6px 16px;
        gap: 6px;
    }

    .tile {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .board-row {
        gap: 4px;
    }

    .kb-key {
        padding: 8px 8px;
        min-width: 22px;
        font-size: 0.55rem;
    }

    .kb-key.wide {
        min-width: 40px;
        font-size: 0.45rem;
    }

    #hud {
        padding: 6px 16px;
        gap: 14px;
    }
}