:root {
    --bg: #ffffff;
    --text: #121213;
    --border: #e5e7eb;
    --absent: #71717a;
    --present: #eab308;
    --correct: #22c55e;
    --key-bg: #e5e7eb;
    --key-text: #1a1a1b;
    --tile-text: #1a1a1b;
    --tile-border: #d1d5db;
    --header-border: #f3f4f6;
    --accent: #3b82f6;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

h1, h2, h3 {
    font-family: 'Poppins', sans-serif;
}

body {
    background-image: url("../../back/sky/28.jpg");
    background-attachment: fixed;
    background-size: cover;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    /* overflow: hidden; */
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 500px;
    padding: 20px;
    flex-shrink: 0;
}
.page-title {
    padding: 0;
}
header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text);
    background: linear-gradient(135deg, #121213 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.icon-btn {
    background: #004a82;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}

.icon-btn:active {
    transform: scale(0.95);
}
#sound-btn {
    font-size: 28px;
    position: relative;
    bottom: 0px;
    padding-left: 10px;
}
#game-container {
    background-color: #fff;
    border: 1px solid #000;
    border-radius: 12px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 500px;
    padding: 15px;
}

#board-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

#board {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 8px;
}

.row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.tile {
    width: clamp(48px, 13vw, 62px);
    height: clamp(48px, 13vw, 62px);
    border: 2px solid var(--tile-border);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: clamp(1.4rem, 6vw, 2rem);
    font-weight: 700;
    text-transform: uppercase;
    user-select: none;
    transition: transform 0.1s linear, background-color 0.4s ease, border-color 0.4s ease;
}

.tile[data-state="active"] {
    border-color: #121213;
    transform: scale(1.05);
}

.tile.pop {
    transform: scale(1.15);
}

.tile.flip {
    transform: rotateX(90deg);
}

.tile[data-state="absent"] {
    background-color: var(--absent);
    border-color: var(--absent);
    color: white;
}

.tile[data-state="present"] {
    background-color: var(--present);
    border-color: var(--present);
    color: white;
}

.tile[data-state="correct"] {
    background-color: var(--correct);
    border-color: var(--correct);
    color: white;
}

#keyboard {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: 8px;
    width: 100%;
    padding: 15px 0;
    flex-shrink: 0;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 6px;
}

.key {
    background-color: var(--key-bg);
    color: var(--key-text);
    border: none;
    border-radius: 6px;
    height: clamp(48px, 7vh, 60px);
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    font-size: clamp(0.75rem, 3.5vw, 1rem);
    cursor: pointer;
    user-select: none;
    text-transform: uppercase;
    transition: background-color 0.2s, transform 0.1s;
}

.key:active {
    transform: translateY(2px);
    filter: brightness(0.9);
}

.key.large {
    flex: 1.5;
    font-size: 0.8rem;
}

.key[data-state="absent"] {
    background-color: #3f3f46;
    color: white;
}

.key[data-state="present"] {
    background-color: var(--present);
    color: white;
}

.key[data-state="correct"] {
    background-color: var(--correct);
    color: white;
}

#message-container {
    position: fixed;
    top: 12%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    pointer-events: none;
    width: 90%;
    max-width: 350px;
    text-align: center;
}

.toast {
    background-color: #121213;
    color: white;
    padding: 14px 24px;
    border-radius: 12px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--bg);
    color: var(--text);
    padding: 32px;
    border-radius: 24px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
}

.modal h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
    background: #f9fafb;
    padding: 20px;
    border-radius: 16px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-val { font-size: 1.8rem; font-weight: 700; color: #121213; }
.stat-label { font-size: 0.7rem; text-transform: uppercase; font-weight: 600; color: #71717a; }

.btn-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.btn-primary {
    background-color: var(--correct);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    width: 100%;
    transition: all 0.2s ease;
    box-shadow: 0 4px 0px #16a34a;
}

.btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0px #16a34a;
}

.btn-secondary {
    background-color: #f3f4f6;
    color: #4b5563;
    border: none;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-danger {
    background-color: #fee2e2;
    color: #dc2626;
    border: none;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.75rem;
    margin-top: 15px;
    opacity: 0.8;
}

#game-over-msg {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 16px;
    background: #f1f5f9;
    font-weight: 500;
    line-height: 1.5;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}
@media screen and (min-width: 0px) and (max-width: 600px) {
.key {
    height: clamp(15px, 7vh, 35px);
}
.key.large {
    font-size: 0.6rem;
}
#sound-btn {
    font-size: 18px;
}
}