/* ===== Finalized Themes (researched nautical + classic Battleship pegs) =====
   Sources: media.io nautical palettes (Deep Atlantic, Captain's Brass, Regatta Pop),
   Hasbro/Wikipedia peg convention (red = hit, white = miss)
*/

:root,
[data-theme="atlantic"] {
    /* Deep Atlantic + Marina Teal accents */
    --bg-deep: #041426;
    --bg-mid: #0f2f4a;
    --bg-surface: rgba(15, 47, 74, 0.78);
    --bg-panel: rgba(4, 20, 38, 0.88);
    --accent: #1f6f8b;
    --accent-bright: #a7d7e0;
    --accent-2: #c8a24a;
    --accent-soft: rgba(31, 111, 139, 0.22);
    --danger: #e24a3b;
    --success: #2a9d8f;
    --miss: rgba(247, 243, 234, 0.88);
    --miss-border: rgba(232, 242, 244, 0.55);
    --text: #e8f2f4;
    --text-muted: #a7d7e0;
    --cell-water: rgba(31, 111, 139, 0.48);
    --cell-hover: rgba(167, 215, 224, 0.42);
    --ship: rgba(148, 163, 184, 0.85);
    --ship-preview: rgba(167, 215, 224, 0.5);
    --hit: #e24a3b;
    --sunk: #9b2226;
    --border: rgba(167, 215, 224, 0.28);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    --wave-1: rgba(31, 111, 139, 0.12);
    --wave-2: rgba(200, 162, 74, 0.07);
    --radar: rgba(167, 215, 224, 0.14);
    --font-display: "Orbitron", sans-serif;
    --font-body: "Outfit", sans-serif;
    --radius: 18px;
    --gap: clamp(12px, 2vw, 24px);
}

/* Captain's Brass / Midnight Compass — heritage naval */
[data-theme="brass"] {
    --bg-deep: #030b14;
    --bg-mid: #0a2342;
    --bg-surface: rgba(10, 35, 66, 0.82);
    --bg-panel: rgba(11, 34, 57, 0.92);
    --accent: #c8a24a;
    --accent-bright: #f2d59c;
    --accent-2: #1e4b6a;
    --accent-soft: rgba(200, 162, 74, 0.16);
    --danger: #e24a3b;
    --success: #2a9d8f;
    --miss: rgba(247, 245, 239, 0.9);
    --miss-border: rgba(242, 213, 156, 0.4);
    --text: #f7f5ef;
    --text-muted: #ead9b6;
    --cell-water: rgba(30, 75, 106, 0.55);
    --cell-hover: rgba(200, 162, 74, 0.35);
    --ship: rgba(120, 132, 148, 0.9);
    --ship-preview: rgba(242, 213, 156, 0.45);
    --hit: #e24a3b;
    --sunk: #9b2226;
    --border: rgba(200, 162, 74, 0.32);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    --wave-1: rgba(30, 75, 106, 0.16);
    --wave-2: rgba(200, 162, 74, 0.08);
    --radar: rgba(242, 213, 156, 0.12);
}

/* Regatta Pop — coral flags on navy (clearly distinct from Atlantic teal) */
[data-theme="regatta"] {
    --bg-deep: #0a1e3f;
    --bg-mid: #122a52;
    --bg-surface: rgba(18, 42, 82, 0.78);
    --bg-panel: rgba(10, 30, 63, 0.92);
    --accent: #ff4d3d;
    --accent-bright: #ff8a7a;
    --accent-2: #20bfa8;
    --accent-soft: rgba(255, 77, 61, 0.16);
    --danger: #ff4d3d;
    --success: #20bfa8;
    --miss: rgba(247, 241, 225, 0.92);
    --miss-border: rgba(247, 241, 225, 0.5);
    --text: #f7f1e1;
    --text-muted: #c9d4e8;
    --cell-water: rgba(30, 111, 217, 0.42);
    --cell-hover: rgba(255, 77, 61, 0.35);
    --ship: rgba(148, 163, 184, 0.88);
    --ship-preview: rgba(32, 191, 168, 0.45);
    --hit: #ff4d3d;
    --sunk: #b91c1c;
    --border: rgba(255, 77, 61, 0.32);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    --wave-1: rgba(30, 111, 217, 0.14);
    --wave-2: rgba(255, 77, 61, 0.1);
    --radar: rgba(32, 191, 168, 0.14);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    color: var(--text);
    background: linear-gradient(165deg, var(--bg-deep) 0%, var(--bg-mid) 55%, var(--bg-deep) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    transition: background 0.35s ease, color 0.25s ease;
}

/* ===== Animated Ocean Background ===== */
.ocean-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 50% at 20% 10%, var(--accent-soft), transparent 55%),
        radial-gradient(ellipse 60% 40% at 85% 80%, var(--wave-2), transparent 50%),
        linear-gradient(180deg, var(--bg-deep), var(--bg-mid) 50%, var(--bg-deep));
}

.wave {
    position: absolute;
    left: -10%;
    width: 120%;
    height: 40%;
    border-radius: 45%;
    opacity: 0.9;
    filter: blur(2px);
}

.wave-1 {
    bottom: -12%;
    background: var(--wave-1);
    animation: drift 14s ease-in-out infinite;
}

.wave-2 {
    bottom: -18%;
    background: var(--wave-2);
    animation: drift 18s ease-in-out infinite reverse;
}

.wave-3 {
    bottom: -24%;
    background: var(--wave-1);
    opacity: 0.5;
    animation: drift 22s linear infinite;
}

.radar-sweep {
    position: absolute;
    top: 8%;
    right: 6%;
    width: min(280px, 40vw);
    height: min(280px, 40vw);
    border-radius: 50%;
    border: 1px solid var(--border);
    background:
        conic-gradient(from 0deg, transparent 0deg, var(--radar) 40deg, transparent 70deg),
        radial-gradient(circle, transparent 55%, var(--accent-soft) 56%, transparent 58%);
    opacity: 0.4;
    animation: spin 8s linear infinite;
}

@keyframes drift {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    50% { transform: translateX(4%) rotate(2deg); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Layout ===== */
#game-container {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: max(16px, env(safe-area-inset-top)) clamp(12px, 3vw, 28px) 28px;
    gap: var(--gap);
}

.game-header {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}

.brand-block {
    text-align: left;
}

.brand-eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.brand-eyebrow i {
    color: var(--accent-bright);
    margin-right: 6px;
}

.brand-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.4rem, 8vw, 4.2rem);
    letter-spacing: 0.12em;
    line-height: 0.95;
    color: var(--text);
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.brand-sub {
    font-family: var(--font-display);
    font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    letter-spacing: 0.45em;
    text-transform: uppercase;
    color: var(--accent-bright);
    margin-top: 4px;
}

.header-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

/* ===== Theme Switcher ===== */
.theme-switcher {
    display: flex;
    gap: 6px;
    padding: 5px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    backdrop-filter: blur(12px);
}

.theme-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.theme-btn:hover {
    color: var(--text);
    transform: translateY(-1px);
}

.theme-btn.active {
    background: var(--accent-soft);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--border);
}

.theme-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.theme-dot.atlantic { background: linear-gradient(135deg, #1f6f8b, #a7d7e0); }
.theme-dot.brass { background: linear-gradient(135deg, #0a2342, #c8a24a); }
.theme-dot.regatta { background: linear-gradient(135deg, #1e6fd9, #ff4d3d); }

/* ===== Score ===== */
.score-panel {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}

.score-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 52px;
}

.score-label {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.score-value {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--accent-bright);
    line-height: 1.1;
}

.score-pill.ai .score-value {
    color: var(--accent-2);
}

[data-theme="brass"] .score-pill.ai .score-value {
    color: var(--accent);
}

.score-divider {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ===== Status ===== */
.status-banner {
    width: 100%;
    max-width: 640px;
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(0.85rem, 2.8vw, 1.05rem);
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 14px 20px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent-soft), transparent);
    border: 1px solid var(--border);
    color: var(--text);
    backdrop-filter: blur(10px);
}

.placement-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.86rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 720px;
}

.placement-hint.hidden,
.salvo-bar.hidden,
.hidden {
    display: none !important;
}

.options-lock-note {
    margin: 0;
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    opacity: 0.75;
    text-align: right;
}

.options-locked .options-lock-note {
    color: var(--accent-bright);
    opacity: 1;
}

.salvo-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 640px;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, var(--accent-soft), transparent);
    color: var(--text);
    font-size: 0.86rem;
}

.fire-salvo-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    border-radius: 999px;
    padding: 9px 16px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--bg-deep);
    background: linear-gradient(135deg, var(--accent-bright), var(--accent));
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, filter 0.2s ease, opacity 0.2s ease;
    touch-action: manipulation;
}

.fire-salvo-button:hover:not(:disabled) {
    transform: translateY(-1px);
    filter: brightness(1.06);
}

.fire-salvo-button:disabled,
.auto-place-button:disabled,
.seg-btn:disabled,
.toggle-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.cell.salvo-pending {
    outline: 2px solid var(--accent-bright);
    outline-offset: -2px;
    background: color-mix(in srgb, var(--accent-soft) 70%, var(--cell-water));
    box-shadow: inset 0 0 0 1px var(--accent);
}

.cell.salvo-pending::after {
    content: "";
    width: 28%;
    height: 28%;
    border-radius: 2px;
    background: var(--accent-bright);
    transform: rotate(45deg);
}

.rotate-button {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--accent-soft);
    color: var(--accent-bright);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
    touch-action: manipulation;
}

.rotate-button:hover,
.rotate-button:active {
    transform: rotate(90deg) scale(1.05);
    background: var(--accent);
    color: var(--bg-deep);
}

/* ===== Boards ===== */
#game-board {
    width: 100%;
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap);
}

.grid-container {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(14px, 3vw, 22px);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    width: 100%;
    min-width: 0;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-header h2 i {
    color: var(--accent-bright);
}

.player-area,
.ai-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.grid-wrap {
    width: 100%;
    min-width: 0;
    display: flex;
    justify-content: center;
    padding-bottom: 4px;
    container-type: inline-size;
    container-name: gridwrap;
}

.grid-stage {
    position: relative;
    display: block;
    width: 100%;
    max-width: min(100%, 460px);
}

.ships-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: visible;
}

.ship-sprite {
    position: absolute;
    object-fit: contain;
    object-position: center;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.45));
    opacity: 0.95;
    transition: filter 0.25s ease, opacity 0.25s ease;
}

.ship-sprite.vertical {
    transform: rotate(90deg);
}

.ship-sprite.is-damaged {
    filter: drop-shadow(0 0 6px rgba(226, 74, 59, 0.55)) saturate(0.85);
}

.ship-sprite.is-sunk {
    opacity: 0.45;
    filter: grayscale(0.85) drop-shadow(0 0 4px rgba(155, 34, 38, 0.5));
}

.grid {
    position: relative;
    z-index: 2;
    display: grid;
    /* 11 columns, each = (container width - 10 gaps) / 11. cqi = container inline size of .grid-wrap */
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: 2px;
    width: 100%;
    max-width: 100%;
}

.cell {
    width: auto;
    height: auto;
    aspect-ratio: 1 / 1;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--cell-water);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.2s ease, transform 0.15s ease;
    touch-action: manipulation;
    user-select: none;
    position: relative;
    min-width: 0;
}

.cell:hover {
    background: var(--cell-hover);
    transform: scale(1.06);
    z-index: 2;
}

.cell.ship {
    background: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

#ai-grid .cell.ship {
    background: var(--ship);
}

.cell.ship-preview {
    background: var(--ship-preview);
    outline: 1px dashed var(--accent-bright);
}

/* Classic peg language: red = hit, white = miss */
.cell.hit {
    background: color-mix(in srgb, var(--cell-water) 35%, transparent);
}

.cell.hit::after {
    content: "";
    width: 42%;
    height: 42%;
    border-radius: 50%;
    background: var(--hit);
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.2);
}

.cell.miss {
    background: color-mix(in srgb, var(--cell-water) 45%, transparent);
}

.cell.miss::after {
    content: "";
    width: 38%;
    height: 38%;
    border-radius: 50%;
    background: var(--miss);
    border: 1px solid var(--miss-border);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.cell.sunk {
    background: color-mix(in srgb, var(--sunk) 55%, var(--cell-water));
}

.cell.sunk::after {
    content: "";
    width: 46%;
    height: 46%;
    border-radius: 50%;
    background: var(--sunk);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.15);
}

.cell.firing {
    animation: firePulse 0.45s ease;
}

.label {
    background: transparent;
    border: none;
    font-family: var(--font-display);
    font-size: clamp(0.55rem, 1.8vw, 0.72rem);
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    cursor: default;
}

.label:hover {
    background: transparent;
    transform: none;
}

@keyframes firePulse {
    0% { box-shadow: 0 0 0 0 rgba(226, 74, 59, 0.45); }
    50% { box-shadow: 0 0 16px 5px rgba(226, 74, 59, 0.5); }
    100% { box-shadow: 0 0 0 0 transparent; }
}

/* ===== Ship Tables ===== */
.ship-table {
    width: 100%;
    max-width: 460px;
    text-align: center;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
}

.ship-table h3 {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-bright);
    margin-bottom: 10px;
}

.ship-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.ship-table th,
.ship-table td {
    padding: 8px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.ship-table th {
    font-family: var(--font-display);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: transparent;
}

.ship-table td.afloat {
    color: var(--success);
    font-weight: 600;
    background: transparent;
}

.ship-table td.sunk {
    color: var(--danger);
    font-weight: 600;
    background: transparent;
    text-decoration: line-through;
}

.ship-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-align: left;
}

.ship-icon {
    width: 42px;
    height: 18px;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
}

.ship-table .row-sunk .ship-icon {
    opacity: 0.45;
    filter: grayscale(1);
}

.ship-table .row-sunk .ship-name span {
    text-decoration: line-through;
    opacity: 0.75;
}

/* ===== Legend ===== */
.peg-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.peg-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.peg-swatch {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.peg-swatch.hit { background: var(--hit); }
.peg-swatch.miss {
    background: var(--miss);
    border: 1px solid var(--miss-border);
}
.peg-swatch.ship { background: var(--ship); }
.peg-swatch.sunk { background: var(--sunk); }

/* ===== Restart & Footer ===== */
#restart {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 14px 28px;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    color: var(--bg-deep);
    background: linear-gradient(135deg, var(--accent-bright), var(--accent));
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, filter 0.2s ease;
    touch-action: manipulation;
}

#restart:hover {
    transform: translateY(-2px) scale(1.03);
    filter: brightness(1.08);
}

#restart i {
    margin-right: 8px;
}

.site-footer {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

/* ===== Options Row (difficulty / salvo / sound) ===== */
.option-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.seg-control {
    display: inline-flex;
    padding: 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    backdrop-filter: blur(12px);
}

.seg-btn {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.74rem;
    font-weight: 600;
    padding: 6px 11px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease;
}

.seg-btn.active {
    background: var(--accent-soft);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--border);
}

.toggle-btn,
.icon-btn,
.auto-place-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.74rem;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: 999px;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
    touch-action: manipulation;
}

.toggle-btn.active {
    background: var(--accent-soft);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--border);
}

.icon-btn {
    padding: 7px 10px;
}

.toggle-btn:hover,
.icon-btn:hover,
.auto-place-button:hover {
    color: var(--text);
    transform: translateY(-1px);
}

.icon-btn[aria-pressed="false"] {
    color: var(--text-muted);
    opacity: 0.6;
}

/* ===== Stats Bar ===== */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    font-size: 0.82rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.stats-bar span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.stats-bar b {
    color: var(--accent-bright);
    font-family: var(--font-display);
    font-size: 0.95rem;
    margin-left: 2px;
}

.stats-bar i {
    color: var(--accent-bright);
    opacity: 0.85;
}

/* ===== Move Log ===== */
.move-log {
    width: 100%;
    max-width: 640px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.move-log-title {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-bright);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.move-log-title::-webkit-details-marker {
    display: none;
}

.move-log-title::after {
    content: "▾";
    margin-left: auto;
    font-size: 0.7rem;
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.move-log:not([open]) .move-log-title::after {
    transform: rotate(-90deg);
}

.move-log[open] .move-log-title {
    margin-bottom: 8px;
}

.move-log ul {
    list-style: none;
    max-height: 132px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.82rem;
    scrollbar-width: thin;
}

.move-log li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 8px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.18);
    animation: logIn 0.3s ease;
}

@keyframes logIn {
    from { opacity: 0; transform: translateX(-8px); }
    to { opacity: 1; transform: translateX(0); }
}

.move-log li .log-side {
    font-family: var(--font-display);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    padding: 1px 6px;
    border-radius: 6px;
    flex-shrink: 0;
}

.move-log li.you .log-side { background: var(--accent-soft); color: var(--text); }
.move-log li.ai .log-side { background: rgba(148, 163, 184, 0.25); color: var(--text); }

.move-log li .log-tag {
    font-weight: 700;
}

.move-log li .log-tag.hit { color: var(--danger); }
.move-log li .log-tag.miss { color: var(--text-muted); }
.move-log li .log-tag.sunk { color: var(--sunk); }

/* ===== Result Modal ===== */
.result-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(2, 10, 20, 0.72);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.result-modal.open {
    opacity: 1;
    visibility: visible;
}

.result-card {
    width: 100%;
    max-width: 380px;
    text-align: center;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 30px 26px;
    box-shadow: var(--shadow);
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.result-modal.open .result-card {
    transform: scale(1);
}

.result-icon {
    font-size: 2.6rem;
    color: var(--accent-bright);
    margin-bottom: 8px;
}

.result-icon.defeat {
    color: var(--danger);
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.result-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.result-stats {
    display: flex;
    justify-content: space-around;
    gap: 10px;
    margin-bottom: 22px;
    padding: 14px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.result-stats > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-stat-label {
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.result-stat-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-bright);
}

.result-restart {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 13px 26px;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    color: var(--bg-deep);
    background: linear-gradient(135deg, var(--accent-bright), var(--accent));
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, filter 0.2s ease;
    touch-action: manipulation;
}

.result-restart:hover {
    transform: translateY(-2px) scale(1.03);
    filter: brightness(1.08);
}

.result-restart i {
    margin-right: 8px;
}

/* ===== Entrance helpers ===== */
.anim-enter {
    opacity: 0;
    transform: translateY(18px);
}

/* ===== Desktop ===== */
@media (min-width: 900px) {
    #game-board {
        grid-template-columns: 1fr 1fr;
    }

    .theme-label {
        display: inline;
    }
}

@media (max-width: 899px) {
    .game-header {
        flex-direction: column;
        align-items: stretch;
    }

    .brand-block {
        text-align: center;
    }

    .header-controls {
        align-items: center;
    }

    .option-row {
        justify-content: center;
    }

    .options-lock-note {
        text-align: center;
    }

    .theme-label {
        display: none;
    }

    .theme-btn {
        padding: 8px 10px;
    }

    .stats-bar {
        gap: 12px;
        font-size: 0.76rem;
    }

    .move-log {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .score-panel {
        width: 100%;
        justify-content: center;
    }

    .ship-table {
        max-width: 100%;
    }

    .radar-sweep {
        opacity: 0.22;
    }

    .toggle-label {
        display: none;
    }

    .option-row {
        gap: 6px;
    }

    .seg-btn {
        padding: 6px 9px;
        font-size: 0.7rem;
    }

    .placement-hint {
        gap: 8px;
        font-size: 0.78rem;
    }

    .placement-hint > span {
        width: 100%;
        order: -1;
    }

    .salvo-bar {
        gap: 8px;
        font-size: 0.78rem;
        padding: 8px 10px;
    }

    .fire-salvo-button {
        padding: 8px 12px;
        font-size: 0.7rem;
    }

    .stats-bar {
        gap: 10px;
    }

    .move-log ul {
        max-height: 96px;
    }
}

/* ===== Ship dock / Radar / Meta ===== */
.ship-dock {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 720px;
}

.ship-dock.hidden { display: none !important; }

.dock-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.74rem;
    font-weight: 600;
    cursor: grab;
    touch-action: none;
    user-select: none;
}

.dock-chip img {
    width: 42px;
    height: 16px;
    object-fit: contain;
}

.dock-chip.is-current {
    color: var(--text);
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px var(--border);
}

.dock-chip.is-placed {
    opacity: 0.4;
    cursor: default;
}

.battle-tools {
    display: flex;
    justify-content: center;
    gap: 8px;
    min-height: 0;
}

.shot-bolt {
    position: fixed;
    z-index: 40;
    width: 10px;
    height: 10px;
    margin: -5px 0 0 -5px;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle, #fff 0%, var(--accent-bright) 55%, transparent 75%);
    box-shadow: 0 0 12px var(--accent-bright);
}

.grid-container.is-thinking {
    outline: 1px solid color-mix(in srgb, var(--accent-bright) 45%, transparent);
}

.grid-container.is-scanned .grid {
    filter: saturate(1.08);
}

.cell.radar-contact {
    box-shadow: inset 0 0 0 2px #c8a24a;
}

.cell.radar-clear {
    box-shadow: inset 0 0 0 1px rgba(167, 215, 224, 0.55);
}

.cell.radar-flash {
    animation: radarFlash 0.9s ease;
}

.cell.revealed.ship {
    outline: 1px dashed rgba(255, 255, 255, 0.35);
}

@keyframes radarFlash {
    0% { filter: brightness(1); }
    35% { filter: brightness(1.55); }
    100% { filter: brightness(1); }
}

.peg-swatch.radar {
    background: #c8a24a;
}

.achievements-panel {
    width: 100%;
    max-width: 640px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.achievements-panel ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 6px;
    margin-top: 8px;
    font-size: 0.78rem;
}

.achievements-panel li {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.18);
    color: var(--text-muted);
}

.achievements-panel li.unlocked {
    color: var(--text);
}

.achievements-panel li.unlocked i {
    color: var(--accent-bright);
}

.achieve-toast {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%) translateY(-120%);
    z-index: 60;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-panel);
    color: var(--text);
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    opacity: 0;
    pointer-events: none;
    box-shadow: var(--shadow);
}

.achieve-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.result-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.result-share {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 12px 18px;
    border-radius: 14px;
    border: 1px solid var(--border);
    cursor: pointer;
    color: var(--text);
    background: var(--bg-surface);
    touch-action: manipulation;
}

.result-share:hover {
    transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
    .wave,
    .radar-sweep,
    .cell.firing,
    .cell.radar-flash {
        animation: none !important;
    }

    .anim-enter {
        opacity: 1;
        transform: none;
    }

    body {
        transition: none;
    }

    .shot-bolt {
        display: none !important;
    }
}