:root {
    --bg-1: #0b1220;
    --bg-2: #111c31;
    --panel: rgba(17, 28, 49, 0.88);
    --panel-light: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.11);
    --text: #f5f7fb;
    --muted: #9aa8bd;
    --accent: #43d6a1;
    --accent-2: #25b987;
    --danger: #ff5d6c;
    --warning: #ffbf47;
    --cell: #283953;
    --cell-hover: #344b6d;
    --cell-open: #eaf0f7;
    --cell-open-2: #dfe7f1;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
}

body {
    margin: 0;
    padding: 32px 18px;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 10%, rgba(67, 214, 161, 0.13), transparent 28%),
        radial-gradient(circle at 85% 80%, rgba(77, 132, 255, 0.12), transparent 30%),
        linear-gradient(145deg, var(--bg-1), var(--bg-2));
}

button, select {
    font: inherit;
}

button {
    -webkit-tap-highlight-color: transparent;
}

.game-shell {
    width: min(100%, 1180px);
    margin: 0 auto;
}

.game-header {
    text-align: center;
    margin-bottom: 20px;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
}

h1 {
    margin: 0;
    font-size: clamp(30px, 5vw, 48px);
    letter-spacing: -0.04em;
}

.subtitle {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.game-panel {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.scorebar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.025);
}

.score-item {
    display: flex;
    align-items: center;
    gap: 11px;
}

.score-item-right {
    justify-content: flex-end;
    text-align: right;
}

.score-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: var(--panel-light);
    font-size: 21px;
}

.score-item small {
    display: block;
    margin-bottom: 2px;
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.score-item strong {
    font-size: 21px;
    font-variant-numeric: tabular-nums;
}

.face-button {
    width: 52px;
    height: 52px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(180deg, #334762, #26384f);
    box-shadow: 0 6px 15px rgba(0,0,0,.2);
    font-size: 25px;
    cursor: pointer;
    transition: transform .12s ease, filter .12s ease;
}

.face-button:hover {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

.face-button:active {
    transform: translateY(1px) scale(.98);
}

.status-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 10px 16px;
    color: var(--muted);
    font-size: 13px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    white-space: nowrap;
}

.status-badge.playing { color: #82efc8; background: rgba(67,214,161,.11); }
.status-badge.paused { color: #ffd170; background: rgba(255,191,71,.12); }
.status-badge.won { color: #82efc8; background: rgba(67,214,161,.13); }
.status-badge.lost { color: #ff8994; background: rgba(255,93,108,.13); }

.board-viewport {
    overflow: auto;
    padding: 18px;
    scrollbar-color: #415775 transparent;
}

#tabela {
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 3px;
    user-select: none;
    touch-action: manipulation;
}

#tabela td {
    width: 34px;
    min-width: 34px;
    height: 34px;
    padding: 0;
    border: 0;
    border-radius: 7px;
    text-align: center;
    vertical-align: middle;
    font-size: 16px;
    font-weight: 900;
    cursor: pointer;
    transition: transform .08s ease, background .12s ease, box-shadow .12s ease;
}

#tabela td.blocked,
#tabela td.flag {
    color: #fff;
    background: linear-gradient(145deg, #314866, var(--cell));
    box-shadow:
        inset 1px 1px 0 rgba(255,255,255,.10),
        inset -1px -1px 0 rgba(0,0,0,.20),
        0 2px 3px rgba(0,0,0,.12);
}

#tabela td.blocked:hover,
#tabela td.flag:hover {
    background: var(--cell-hover);
    transform: translateY(-1px);
}

#tabela td.flag {
    font-size: 16px;
}

#tabela td.blank,
#tabela td[class^="n"] {
    cursor: default;
    background: var(--cell-open);
    box-shadow: inset 0 0 0 1px rgba(28,46,70,.08);
}

#tabela tr:nth-child(even) td.blank,
#tabela tr:nth-child(even) td[class^="n"] {
    background: var(--cell-open-2);
}

#tabela td.mine {
    background: #ffd7db;
    color: #8e1722;
}

#tabela td.exploded {
    background: var(--danger) !important;
    color: white;
    animation: explode .32s ease;
}

#tabela td.wrong-flag {
    background: #ffe4b1 !important;
}

@keyframes explode {
    0% { transform: scale(.75); }
    55% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.n1 { color: #1877d6; }
.n2 { color: #21884a; }
.n3 { color: #d83449; }
.n4 { color: #6549b8; }
.n5 { color: #9c3e3e; }
.n6 { color: #168795; }
.n7 { color: #313744; }
.n8 { color: #7c8796; }

.controls {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 22px 22px;
    border-top: 1px solid var(--border);
    background: rgba(255,255,255,.018);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.control-group label {
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

select {
    min-width: 220px;
    height: 42px;
    padding: 0 38px 0 13px;
    border: 1px solid var(--border);
    border-radius: 12px;
    outline: none;
    color: var(--text);
    background: #1a2a43;
    cursor: pointer;
}

select:focus {
    border-color: rgba(67,214,161,.7);
    box-shadow: 0 0 0 3px rgba(67,214,161,.10);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 9px;
}

.command-button {
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    background: rgba(255,255,255,.055);
    font-weight: 750;
    font-size: 13px;
    cursor: pointer;
    transition: transform .12s ease, background .12s ease, border-color .12s ease;
}

.command-button:hover {
    background: rgba(255,255,255,.095);
    transform: translateY(-1px);
}

.command-button.primary {
    border-color: rgba(67,214,161,.35);
    color: #062a1f;
    background: linear-gradient(180deg, #60e4b5, var(--accent));
}

.command-button.primary:hover {
    background: linear-gradient(180deg, #6aebbd, #4bdbaa);
}

.command-button.active {
    border-color: rgba(255,191,71,.6);
    color: #ffd477;
    background: rgba(255,191,71,.12);
}

.command-button:disabled {
    opacity: .45;
    cursor: not-allowed;
    transform: none;
}

footer {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 14px 10px 0;
    color: #718099;
    font-size: 11px;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: none;
    place-items: center;
    padding: 20px;
    background: rgba(3,8,18,.72);
    backdrop-filter: blur(8px);
}

.modal.show {
    display: grid;
}

.modal-card {
    position: relative;
    width: min(100%, 430px);
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 22px;
    text-align: center;
    background: #14223a;
    box-shadow: 0 28px 70px rgba(0,0,0,.5);
}

.modal-close {
    position: absolute;
    top: 11px;
    right: 13px;
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 10px;
    color: var(--muted);
    background: transparent;
    font-size: 25px;
    cursor: pointer;
}

.modal-close:hover {
    color: white;
    background: rgba(255,255,255,.06);
}

.modal-icon {
    margin-bottom: 8px;
    font-size: 46px;
}

.modal-card h2 {
    margin: 0 0 10px;
    font-size: 25px;
}

.modal-content {
    color: var(--muted);
    line-height: 1.6;
    font-size: 14px;
}

.modal-content ul {
    margin: 12px 0 0;
    padding-left: 20px;
    text-align: left;
}

.modal-action {
    width: 100%;
    margin-top: 20px;
}

.game-panel.paused .board-viewport {
    filter: blur(7px) brightness(.62);
    pointer-events: none;
}

@media (max-width: 760px) {
    body { padding: 18px 10px; }
    .game-panel { border-radius: 18px; }
    .scorebar { padding: 14px; }
    .score-icon { display: none; }
    .score-item strong { font-size: 18px; }
    .score-item small { font-size: 9px; }
    .face-button { width: 48px; height: 48px; }
    .status-area { flex-direction: column; gap: 5px; text-align: center; }
    .board-viewport { padding: 12px 8px 16px; }
    #tabela { border-spacing: 2px; }
    #tabela td { width: 30px; min-width: 30px; height: 30px; border-radius: 6px; font-size: 14px; }
    .controls { flex-direction: column; align-items: stretch; padding: 16px; }
    select { width: 100%; min-width: 0; }
    .button-group { display: grid; grid-template-columns: 1fr 1fr; }
    .command-button { padding: 0 9px; }
    footer { flex-wrap: wrap; }
}

@media (max-width: 430px) {
    .subtitle { display: none; }
    h1 { font-size: 31px; }
    .button-group { grid-template-columns: 1fr; }
}