@font-face {
    font-family: 'Source Code Pro';
    src: url('fonts/SourceCodePro-Regular.ttf');
}

:root {
    --bg: #08111f;
    --bg-soft: #0f1a2e;
    --panel: #111d31;
    --panel-soft: #172741;
    --panel-strong: #1d3151;
    --border: rgba(145, 176, 212, 0.16);
    --border-strong: rgba(145, 176, 212, 0.3);
    --text: #edf4ff;
    --muted: #94a5c0;
    --accent: #7bc7ff;
    --accent-soft: rgba(123, 199, 255, 0.16);
    --danger: #ff8e9c;
    --radius: 18px;
    --radius-small: 12px;
    --shadow: 0 18px 36px rgba(2, 7, 18, 0.34);
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background:
        radial-gradient(circle at top left, rgba(45, 82, 139, 0.2), transparent 28%),
        linear-gradient(180deg, #0c1628 0%, #08111f 100%);
    color: var(--text);
    display: flex;
    flex-direction: column;
    font-family: 'Source Code Pro', monospace;
    overflow: hidden;
}

a:link,
a:visited {
    color: var(--accent);
}

h1,
h2,
h3,
p {
    margin: 0;
}

h1 {
    font-size: clamp(1.28rem, 1.8vw, 1.72rem);
    line-height: 1;
}

h2 {
    font-size: 0.9rem;
}

h3 {
    font-size: 0.82rem;
}

.eyebrow,
.panel-kicker,
.chip-label,
.field-label,
.stat-label,
.group-label,
.toolbar-label {
    color: var(--muted);
    font-size: 0.58rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.app-header {
    align-items: center;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 12px;
    justify-content: space-between;
    min-height: 58px;
    padding: 8px 14px 7px;
}

.brand-lockup {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.header-actions {
    align-items: center;
    display: flex;
    gap: 10px;
}

.screen-nav {
    background: rgba(11, 20, 36, 0.72);
    border: 1px solid var(--border);
    border-radius: 999px;
    display: inline-flex;
    gap: 4px;
    padding: 3px;
}

.screen-tab {
    background: transparent;
    border: 0;
    border-radius: 999px;
    color: var(--muted);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.74rem;
    min-height: 32px;
    padding: 0 13px;
}

.screen-tab.active {
    background: var(--panel-strong);
    color: var(--text);
}

.topbar-copy {
    color: var(--muted);
    font-size: 0.64rem;
    line-height: 1.28;
    max-width: 210px;
    text-align: right;
    overflow-wrap: anywhere;
}

.app-shell {
    flex: 1;
    min-height: 0;
    padding: 8px;
}

.app-screen {
    display: none;
    height: 100%;
    min-height: 0;
}

.app-screen.active {
    display: block;
}

.game-layout {
    display: grid;
    gap: 8px;
    grid-template-columns: 206px minmax(0, 1fr) 244px;
    height: 100%;
    min-height: 0;
}

.setup-layout {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    max-width: 980px;
    min-height: 0;
}

.play-rail,
.board-column {
    min-height: 0;
}

.play-rail {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: auto;
    padding-right: 2px;
    scrollbar-width: thin;
}

.board-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-card,
#sketch-holder,
#defeat-card {
    background: linear-gradient(180deg, rgba(22, 35, 58, 0.94), rgba(15, 25, 43, 0.98));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel-card {
    padding: 10px;
}

.compact-card {
    padding: 9px;
}

.panel-heading {
    align-items: baseline;
    display: flex;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 7px;
}

.board-toolbar {
    align-items: center;
    background: rgba(15, 25, 43, 0.82);
    border: 1px solid var(--border);
    border-radius: 14px;
    display: flex;
    gap: 8px;
    justify-content: space-between;
    padding: 7px 10px;
}

.toolbar-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
    min-width: 0;
}

.toolbar-selection span {
    background: var(--accent-soft);
    border: 1px solid rgba(123, 199, 255, 0.2);
    border-radius: 999px;
    font-size: 0.72rem;
    max-width: 100%;
    overflow-wrap: anywhere;
    padding: 5px 8px;
}

.mobile-status-bar,
.mobile-controls {
    display: none;
}

#sketch-holder {
    background: #05090f;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

canvas {
    bottom: 0;
    display: block;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: 0;
}

.control-grid,
.stat-grid,
.intel-grid,
.button-grid,
.store-grid,
.shortcut-grid {
    display: grid;
    gap: 6px;
}

.control-grid,
.stat-grid,
.button-grid,
.analytics-grid,
.intel-economy .intel-grid,
.intel-combat .intel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.store-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.shortcut-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.section-note,
.hint {
    color: var(--muted);
    font-size: 0.65rem;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.hint strong {
    color: var(--text);
}

button,
select {
    appearance: none;
    background: var(--panel-soft);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-small);
    color: var(--text);
    font-family: inherit;
    font-size: 0.74rem;
    min-height: 34px;
    outline: none;
    padding: 6px 8px;
}

button:hover,
button:focus-visible,
select:hover,
select:focus-visible {
    background: #203656;
    border-color: rgba(123, 199, 255, 0.5);
}

button:disabled,
.disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

select {
    background-image:
        linear-gradient(45deg, transparent 50%, var(--accent) 50%),
        linear-gradient(135deg, var(--accent) 50%, transparent 50%);
    background-position:
        calc(100% - 16px) calc(50% - 2px),
        calc(100% - 11px) calc(50% - 2px);
    background-repeat: no-repeat;
    background-size: 5px 5px, 5px 5px;
    padding-right: 30px;
}

.tower-button {
    color: #07111f;
    display: flex;
    flex-direction: column;
    gap: 3px;
    justify-content: center;
    min-height: 58px;
    text-align: left;
}

.tower-button small {
    color: rgba(7, 17, 31, 0.72);
    font-size: 0.58rem;
}

.tower-button span {
    display: block;
    overflow-wrap: anywhere;
    text-wrap: balance;
}

@media (min-width: 861px) {
    .app-shell {
        padding: 6px;
    }

    .game-layout {
        gap: 6px;
        grid-template-columns: 170px minmax(0, 1fr) 202px;
    }

    .play-rail {
        gap: 6px;
        overflow: hidden;
    }

    .panel-card {
        padding: 8px;
    }

    .compact-card {
        padding: 7px;
    }

    .panel-heading {
        margin-bottom: 5px;
    }

    .section-note,
    .hint {
        font-size: 0.6rem;
        line-height: 1.2;
    }

    #run-control-panel .hint,
    #store .section-note,
    #store .hint {
        display: none;
    }

    #run-control-panel .button-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #store .store-grid {
        gap: 4px;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    #store .tower-button {
        min-height: 40px;
        padding: 4px 3px;
    }

    #store .tower-button small {
        display: none;
    }

    #store .tower-button span {
        font-size: 0.6rem;
        line-height: 1.02;
        text-align: center;
    }

    .board-column {
        gap: 6px;
    }

    .board-toolbar {
        padding: 5px 8px;
    }

    .toolbar-selection span {
        font-size: 0.66rem;
        padding: 4px 7px;
    }

    .stat-tile,
    .intel-grid p,
    #analytics p {
        padding: 6px;
    }

    .status-card .stat-tile p {
        font-size: 0.74rem;
    }

    #toggle-strip {
        gap: 3px;
        margin-top: 4px;
    }

    .pill {
        font-size: 0.52rem;
        padding: 2px 6px;
    }

    .intel-section + .intel-section {
        margin-top: 5px;
    }

    .intel-section .group-label {
        margin-bottom: 2px;
    }

    #placement-reason,
    #info-buttons {
        margin-top: 5px;
    }
}

.gun { background: #f4c856; }
.laser { background: #4db4f2; }
.slow { background: #8194eb; }
.sniper { background: #f26d7f; }
.rocket { background: #5fc087; }
.bomb { background: #8f61e6; }
.tesla { background: #f5d867; }

.stat-tile,
.intel-grid p,
#analytics p,
#defeat-card p {
    background: rgba(21, 35, 58, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-small);
    min-width: 0;
    overflow-wrap: anywhere;
    padding: 8px;
}

.status-card .stat-tile p {
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 3px;
}

#toggle-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}

.pill {
    background: var(--accent-soft);
    border: 1px solid rgba(123, 199, 255, 0.18);
    border-radius: 999px;
    font-size: 0.56rem;
    padding: 3px 7px;
}

.intel-section + .intel-section {
    margin-top: 8px;
}

.intel-section .group-label {
    margin-bottom: 4px;
}

#placement-reason {
    border-color: rgba(255, 142, 156, 0.26);
    color: #ffd6dc;
    margin-top: 8px;
    min-height: 3em;
}

#info-buttons {
    margin-top: 8px;
}

#defeat-overlay {
    align-items: center;
    background: rgba(4, 8, 16, 0.82);
    inset: 0;
    justify-content: center;
    position: fixed;
    z-index: 30;
}

#defeat-overlay.hidden {
    display: none;
}

#defeat-card {
    max-width: 360px;
    padding: 15px;
    width: calc(100% - 24px);
}

#defeat-card h2 {
    margin-bottom: 12px;
}

#defeat-card p + p {
    margin-top: 8px;
}

#defeat-card button {
    margin-top: 12px;
    width: 100%;
}

@media (max-width: 1080px) {
    body {
        overflow: auto;
    }

    .app-shell {
        overflow: visible;
    }

    .app-screen,
    .app-screen.active {
        height: auto;
    }

    .game-layout {
        grid-template-columns: 190px minmax(0, 1fr);
    }

    .play-rail-right {
        display: grid;
        gap: 8px;
        grid-column: 1 / -1;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        overflow: visible;
    }
}

@media (min-width: 1181px) {
    .play-rail-left,
    .play-rail-right {
        overflow: hidden;
    }

    .play-rail-left .panel-card,
    .play-rail-right .panel-card {
        flex: 0 0 auto;
    }
}

@media (max-width: 860px) {
    body {
        overflow: auto;
    }

    .app-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .header-actions {
        align-items: stretch;
        flex-direction: column;
        width: 100%;
    }

    .screen-nav {
        width: fit-content;
    }

    .topbar-copy {
        max-width: none;
        text-align: left;
    }

    .app-shell {
        padding: 10px;
    }

    .game-layout,
    .setup-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .play-rail {
        overflow: visible;
    }

    .play-rail-left {
        order: 2;
    }

    .board-column {
        order: 1;
    }

    .play-rail-right {
        display: flex;
        gap: 12px;
        order: 3;
    }

    #sketch-holder {
        min-height: 360px;
    }
}

@media (max-width: 560px) {
    .app-header {
        gap: 8px;
        padding: 8px 8px 6px;
    }

    .eyebrow,
    .topbar-copy {
        display: none;
    }

    .app-shell {
        padding: 4px;
    }

    .screen-nav {
        width: 100%;
    }

    .screen-tab {
        flex: 1;
        justify-content: center;
    }

    .board-column {
        gap: 6px;
    }

    .board-toolbar {
        gap: 6px;
        padding: 6px 8px;
    }

    .toolbar-selection {
        gap: 6px;
        justify-content: flex-start;
        width: 100%;
    }

    .toolbar-label {
        display: none;
    }

    .toolbar-selection span {
        font-size: 0.68rem;
        padding: 5px 7px;
        width: 100%;
    }

    .mobile-status-bar,
    .mobile-controls {
        display: grid;
        gap: 6px;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .mobile-status-bar .status-chip {
        background: rgba(21, 35, 58, 0.88);
        border: 1px solid var(--border);
        border-radius: var(--radius-small);
        display: flex;
        flex-direction: column;
        gap: 3px;
        min-width: 0;
        padding: 7px;
    }

    .mobile-status-bar .status-chip span:last-child {
        font-size: 0.78rem;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .play-rail-left,
    .play-rail-right {
        gap: 6px;
        overflow: visible;
    }

    .play-rail-left {
        order: 2;
    }

    .play-rail-right {
        order: 3;
    }

    #run-control-panel,
    #status,
    #analytics {
        display: none;
    }

    #store {
        order: 1;
    }

    #info {
        order: 2;
    }

    .store-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .tower-button {
        min-height: 46px;
        padding: 7px 6px;
    }

    .tower-button small {
        display: none;
    }

    .tower-button span {
        font-size: 0.67rem;
        line-height: 1.05;
        text-align: center;
        width: 100%;
    }

    #store .section-note,
    #store .hint {
        display: none;
    }

    .control-grid,
    .button-grid,
    .analytics-grid,
    .shortcut-grid,
    .intel-economy .intel-grid,
    .intel-combat .intel-grid {
        grid-template-columns: 1fr;
    }

    .panel-card,
    .compact-card {
        border-radius: 12px;
        padding: 9px;
    }

    #sketch-holder {
        aspect-ratio: 1 / 1;
        min-height: min(68svh, calc(100vw - 8px));
    }
}

@media (max-width: 900px) and (orientation: landscape) {
    body {
        overflow: hidden;
    }

    .app-header {
        min-height: 44px;
        padding: 6px 8px;
    }

    .brand-lockup {
        gap: 2px;
    }

    h1 {
        font-size: 1.08rem;
    }

    .app-shell {
        padding: 4px;
    }

    .app-screen,
    .app-screen.active {
        height: 100%;
    }

    .game-layout {
        gap: 6px;
        grid-template-columns: minmax(0, 1fr) 184px;
        height: 100%;
    }

    .play-rail-left,
    .play-rail-right {
        display: contents;
    }

    .board-column {
        gap: 4px;
        grid-column: 1;
        min-height: 0;
    }

    .mobile-status-bar,
    .mobile-controls {
        display: grid;
        gap: 4px;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .mobile-status-bar .status-chip {
        background: rgba(21, 35, 58, 0.88);
        border: 1px solid var(--border);
        border-radius: 10px;
        display: flex;
        flex-direction: column;
        gap: 2px;
        min-width: 0;
        padding: 5px 6px;
    }

    .mobile-status-bar .status-chip span:last-child {
        font-size: 0.72rem;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .board-toolbar {
        gap: 4px;
        padding: 4px 6px;
    }

    .toolbar-label {
        display: none;
    }

    .toolbar-selection {
        gap: 4px;
        width: 100%;
    }

    .toolbar-selection span {
        font-size: 0.62rem;
        padding: 4px 6px;
        width: 100%;
    }

    #sketch-holder {
        aspect-ratio: auto;
        flex: 1;
        height: 100%;
        min-height: 0;
    }

    #run-control-panel,
    #status,
    #analytics {
        display: none;
    }

    #store,
    #info {
        grid-column: 2;
        min-height: 0;
        overflow: auto;
    }

    #store {
        align-self: start;
    }

    #info {
        align-self: stretch;
    }

    .panel-card,
    .compact-card {
        border-radius: 10px;
        padding: 7px;
    }

    .panel-heading {
        margin-bottom: 5px;
    }

    .section-note,
    .hint {
        font-size: 0.58rem;
        line-height: 1.2;
    }

    #store .section-note,
    #store .hint {
        display: none;
    }

    .store-grid {
        gap: 4px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tower-button {
        min-height: 40px;
        padding: 4px;
    }

    .tower-button small {
        display: none;
    }

    .tower-button span {
        font-size: 0.62rem;
        line-height: 1.02;
        text-align: center;
        width: 100%;
    }

    .intel-section + .intel-section {
        margin-top: 6px;
    }

    .intel-section .group-label {
        margin-bottom: 3px;
    }

    .intel-grid,
    .analytics-grid,
    .intel-economy .intel-grid,
    .intel-combat .intel-grid {
        gap: 4px;
    }

    .intel-grid p {
        padding: 6px;
    }

    #placement-reason,
    #info-buttons {
        margin-top: 6px;
    }
}

@media (max-width: 359px) {
    body {
        font-size: 14px;
    }

    .app-shell {
        padding: 3px;
    }

    .panel-card,
    .compact-card {
        border-radius: 12px;
        padding: 8px;
    }

    button,
    select {
        font-size: 0.72rem;
        min-height: 36px;
    }

    .tower-button {
        min-height: 48px;
    }

    .tower-button span {
        font-size: 0.68rem;
    }

    #sketch-holder {
        min-height: min(66svh, calc(100vw - 6px));
    }
}