/* ─── Base & Reset ────────────────────────────────────────────────────────── */

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--background);
    padding: 0 1rem;
}

button {
    cursor: pointer;
    border-radius: var(--radius);
    transition: var(--transition);
    font-family: inherit;
}

/* ─── Variables ───────────────────────────────────────────────────────────── */

:root {
    --background: #121213;
    --surface: #1a1a1b;
    --border: #3a3a3c;
    --muted: #818384;
    --text: #ffffff;
    --light-green: #66aa5f;
    --green: #538d4e;
    --yellow: #b59f3b;
    --gray: #3a3a3c;
    --radius: .2rem;
    --transition: ease .2s;
}

/* ─── Utilities ───────────────────────────────────────────────────────────── */

.white-text {
    color: var(--text);
}

.green-text {
    color: var(--green);
    font-weight: 800;
}

.small-text {
    font-size: 12px;
}

.hidden {
    display: none;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */

.primary-button {
    background-color: var(--green);
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    border: none;
    padding: .5rem 2rem;
}

.primary-button:hover {
    background-color: var(--light-green);
}

.classic-button {
    background: transparent;
    color: var(--muted);
    font-size: 1rem;
    border: 1px solid var(--border);
    padding: .2rem 1rem;
}

.classic-button:hover {
    border-color: var(--muted);
    color: white;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */

header {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 2px solid var(--border);
}

.header-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.header-container img {
    height: 3rem;
}

/* ─── Layout ──────────────────────────────────────────────────────────────── */

section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 2rem 0;
}

/* ─── Guess ───────────────────────────────────────────────────────────────── */

.guess-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 32rem;
    gap: 1rem;
}

.guess-history {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.guess-history .letter {
    pointer-events: none;
}

.guess-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    width: 100%;
}

.letter {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--radius);
    width: 100%;
    aspect-ratio: 1 / 1;
    cursor: pointer;
}

.letter p {
    font-size: 48px;
    font-weight: 800;
}

.guide {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.guide-content {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.color-guide {
    height: 1rem;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius);
}

.win-message {
    background-color: var(--green);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
    width: 100%;
}

/* ─── Keyboard ────────────────────────────────────────────────────────────── */

.keyboard-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 32rem;
    gap: .5rem;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .5rem;
}

.keyboard-key {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--muted);
    color: white;
    font-weight: 600;
    padding: .75rem;
    border-radius: var(--radius);
    cursor: pointer;
}

/* ─── Possible Answers ────────────────────────────────────────────────────── */

.possible-answers-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    width: 32rem;
    gap: 1rem;
}

.answers-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    border-bottom: 2px solid var(--border);
    padding-bottom: .5rem;
}

.answers-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: flex-start;
    width: 100%;
    gap: .5rem;
}

.answer {
    color: white;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: .4rem .25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
}

.empty-state {
    color: var(--muted);
    font-size: .9rem;
    width: 100%;
    padding: 1rem 0;
}

/* ─── Color States ────────────────────────────────────────────────────────── */

.gray-bg  { background-color: var(--gray); }
.yellow-bg { background-color: var(--yellow); }
.green-bg  { background-color: var(--green); }

.key-green  { background-color: var(--green); }
.key-yellow { background-color: var(--yellow); }
.key-gray   { background-color: var(--gray); }

/* ─── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
    .guess-container,
    .keyboard-container,
    .possible-answers-container {
        width: 100%;
    }

    .letter p {
        font-size: 32px;
    }

    .keyboard-key {
        padding: 1rem .7rem;
    }
}