:root {
    --paper: #f6efdd;
    --paper-2: #fbf6e9;
    --rule-line: rgba(70, 120, 190, 0.16);
    --margin-line: rgba(200, 70, 70, 0.32);
    --ink: #2b2f36;
    --ink-soft: #5b626d;
    --pen-blue: #2f5fb0;
    --pen-red: #c0392b;
    --pencil: #6b7280;
    --highlight: #ffe27a;
    --card: #fffdf6;
    --card-line: rgba(43, 47, 54, 0.5);
    --shadow: 18px 24px 60px rgba(60, 50, 30, 0.16);
    --ttt-cell: clamp(78px, 13.4vw, 124px);
    --ttt-gap: 0px;
    --frame-pad: clamp(10px, 2.4vw, 20px);
    --hand: "Patrick Hand", "Segoe Print", "Comic Sans MS", cursive;
    --hand-display: "Caveat", "Patrick Hand", cursive;
}

* {
    box-sizing: border-box;
}

/* Override shared main.css `* { color: white }` so text is ink on paper */
body * {
    color: var(--ink);
}

[hidden] {
    display: none !important;
}

#snowflake-container,
#star-canvas {
    display: none !important;
}

body {
    min-height: 100vh;
    min-height: 100svh;
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    font-family: var(--hand);
    font-size: 1.06rem;
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--rule-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--rule-line) 1px, transparent 1px),
        radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.6), transparent 38%),
        radial-gradient(circle at 88% 92%, rgba(214, 196, 150, 0.22), transparent 46%);
    background-size: 26px 26px, 26px 26px, 100% 100%, 100% 100%;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    bottom: 0;
    left: clamp(26px, 5vw, 64px);
    width: 2px;
    z-index: -1;
    pointer-events: none;
    background: var(--margin-line);
    opacity: 0.6;
}

#ttt-app {
    width: min(1180px, calc(100% - 32px));
    min-height: 100vh;
    min-height: 100svh;
    margin: 0 auto;
    display: grid;
    align-content: center;
}

/* ===================== Screens ===================== */
.screen {
    display: grid;
    gap: clamp(14px, 2.2vw, 22px);
    padding: clamp(14px, 2.4vw, 26px) 0;
    animation: screen-in 0.32s ease both;
}

@keyframes screen-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===================== Menu hero (sticky note) ===================== */
.paper-hero {
    position: relative;
    width: fit-content;
    max-width: 100%;
    margin: 8px auto 0;
    padding: clamp(14px, 2.6vw, 24px) clamp(28px, 7vw, 66px) clamp(16px, 2.6vw, 26px);
    text-align: center;
    background-color: #fdefa2;
    background-image: linear-gradient(165deg, #fef7c2, #fbe88c);
    border-radius: 2px;
    box-shadow: 12px 16px 32px rgba(60, 50, 30, 0.2);
    transform: rotate(-1.4deg);
}

.paper-hero::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, transparent 50%, rgba(150, 130, 60, 0.28) 50%);
    pointer-events: none;
}

.hero-tape {
    position: absolute;
    top: -16px;
    left: 50%;
    width: 150px;
    height: 34px;
    transform: translateX(-50%) rotate(-3deg);
    background: rgba(255, 255, 255, 0.42);
    border: 1px solid rgba(150, 140, 90, 0.28);
    box-shadow: 0 5px 9px rgba(60, 50, 30, 0.14);
}

.hero-kicker {
    margin: 0 0 2px;
    color: var(--pen-red);
    font-family: var(--hand);
    font-size: 1rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-title {
    margin: 2px 0 6px;
    font-family: var(--hand-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 0.92;
    color: var(--ink);
    text-shadow: 2px 3px 0 rgba(47, 95, 176, 0.14);
}

.hero-sub {
    max-width: 560px;
    margin: 0 auto;
    color: var(--ink-soft);
    font-size: clamp(1rem, 2vw, 1.22rem);
}

.menu-panels {
    display: grid;
    gap: clamp(14px, 2vw, 18px);
    justify-items: center;
}

/* ===================== Paper cards ===================== */
.paper-card {
    position: relative;
    width: min(560px, 100%);
    padding: clamp(18px, 3vw, 28px);
    background: var(--card);
    border: 2px solid var(--ink);
    border-radius: 6px 14px 8px 16px;
    box-shadow: var(--shadow);
}

.paper-card::after {
    content: "";
    position: absolute;
    inset: 5px;
    border: 1px solid rgba(43, 47, 54, 0.16);
    border-radius: 4px 12px 6px 14px;
    pointer-events: none;
}

.panel-heading {
    display: grid;
    gap: 2px;
    margin-bottom: 14px;
}

.panel-eyebrow {
    color: var(--pen-red);
    font-size: 0.92rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.panel-heading strong {
    font-family: var(--hand-display);
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1;
}

/* ===================== Mode cards ===================== */
.mode-grid {
    display: grid;
    gap: 12px;
}

.mode-card {
    min-height: 80px;
    padding: 14px 16px;
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 2px 14px;
    align-items: center;
    border: 2px solid var(--ink);
    border-radius: 10px 14px 10px 16px;
    background: var(--paper-2);
    color: var(--ink);
    font-family: var(--hand);
    text-align: left;
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.mode-card:nth-child(1) { transform: rotate(-0.6deg); }
.mode-card:nth-child(2) { transform: rotate(0.5deg); }
.mode-card:nth-child(3) { transform: rotate(-0.4deg); }

.mode-card i {
    grid-row: span 2;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 2px solid var(--ink);
    border-radius: 50% 48% 52% 50%;
    color: var(--pen-blue);
    background: rgba(47, 95, 176, 0.08);
    font-size: 1.4rem;
}

.mode-card span {
    min-width: 0;
    font-family: var(--hand-display);
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1;
}

.mode-card small {
    min-width: 0;
    color: var(--ink-soft);
    font-size: 0.96rem;
}

.mode-card:hover,
.mode-card:focus-visible {
    transform: rotate(0deg) translateY(-3px);
    background: #fff;
    box-shadow: 6px 8px 0 rgba(43, 47, 54, 0.12);
    outline: none;
}

.mode-card.active {
    transform: rotate(0deg) translateY(-2px);
    background: #fff;
    box-shadow: inset 0 0 0 2px var(--pen-red), 6px 8px 0 rgba(192, 57, 43, 0.14);
}

.mode-card.active i {
    color: var(--pen-red);
    background: rgba(192, 57, 43, 0.1);
    border-color: var(--pen-red);
}

/* ===================== Options ===================== */
.options-panel {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px dashed rgba(43, 47, 54, 0.28);
    display: grid;
    gap: 14px;
}

.option-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.option-field {
    display: grid;
    gap: 6px;
}

.options-panel label {
    color: var(--ink-soft);
    font-size: 0.96rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.ttt-select,
.code-input,
.code-display {
    min-height: 46px;
    width: 100%;
    padding: 0 12px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    color: var(--ink);
    background: var(--paper-2);
    font-family: var(--hand);
    font-size: 1.05rem;
}

.ttt-select option {
    color: #1f2937;
}

/* ===================== Online ===================== */
.online-grid {
    display: grid;
    gap: 14px;
}

.online-grid h2 {
    margin: 4px 0 4px;
    font-family: var(--hand-display);
    font-size: 1.7rem;
    font-weight: 700;
}

.online-grid p {
    margin: 0;
    color: var(--ink-soft);
}

.online-actions,
.invite-section {
    display: grid;
    gap: 12px;
}

.join-row,
.invite-code-row,
.game-controls,
.result-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.join-row {
    align-items: stretch;
}

.code-input,
.code-display {
    text-align: center;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.2em;
}

.code-input {
    flex: 1 1 140px;
}

.code-display {
    flex: 1 1 160px;
    color: var(--pen-red);
}

/* ===================== Buttons ===================== */
.ttt-primary,
.ttt-secondary,
.ttt-ghost {
    min-height: 46px;
    padding: 10px 18px;
    display: inline-flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--ink);
    font-family: var(--hand);
    font-size: 1.08rem;
    cursor: pointer;
    transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}

.ttt-primary {
    border: 2px solid var(--ink);
    background: var(--highlight);
    box-shadow: 4px 5px 0 rgba(43, 47, 54, 0.8);
}

.ttt-secondary {
    border: 2px solid var(--ink);
    background: #fff;
    box-shadow: 3px 4px 0 rgba(43, 47, 54, 0.18);
}

.ttt-ghost {
    border: 2px solid transparent;
    color: var(--ink-soft);
    background: transparent;
}

.ttt-primary:hover,
.ttt-secondary:hover {
    transform: translate(-1px, -1px);
}

.ttt-primary:hover {
    box-shadow: 5px 6px 0 rgba(43, 47, 54, 0.85);
}

.ttt-ghost:hover {
    border-color: var(--ink);
    color: var(--ink);
}

.menu-home {
    margin-top: 12px;
    text-decoration: none;
}

.ttt-primary:active,
.ttt-secondary:active {
    transform: translate(2px, 3px);
    box-shadow: 1px 1px 0 rgba(43, 47, 54, 0.6);
}

.ttt-primary:disabled,
.ttt-secondary:disabled,
.ttt-ghost:disabled,
.game-cell:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
    box-shadow: none;
}

.invite-section {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 2px dashed rgba(43, 47, 54, 0.28);
}

.invite-label {
    color: var(--ink-soft);
    font-size: 0.96rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.login-warning {
    color: var(--pen-red);
    font-weight: 700;
    text-align: center;
}

/* ===================== Game screen ===================== */
.game-screen {
    align-content: start;
    gap: clamp(16px, 2.6vw, 26px);
    padding-top: clamp(18px, 4vw, 40px);
}

.game-topbar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
}

.back-btn {
    border: 2px solid var(--ink);
    color: var(--ink);
}

.topbar-status {
    min-width: 0;
    text-align: center;
}

.mode-label {
    display: inline-block;
    margin-bottom: 2px;
    color: var(--pen-red);
    font-size: 0.96rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.status-pill {
    min-height: 36px;
    font-family: var(--hand-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.05;
}

.turn-indicator {
    min-width: 96px;
    padding: 8px 14px;
    display: grid;
    gap: 2px;
    border: 2px solid var(--ink);
    border-radius: 12px 10px 14px 10px;
    background: #fff;
    text-align: center;
}

.turn-indicator span {
    color: var(--ink-soft);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.turn-indicator strong {
    font-family: var(--hand-display);
    font-size: 1.9rem;
    line-height: 1;
}

.turn-indicator strong.x-player { color: var(--pen-blue); }
.turn-indicator strong.o-player { color: var(--pen-red); }

.arena-layout {
    display: grid;
    grid-template-columns: minmax(140px, 180px) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 32px);
    align-items: center;
}

.player-rail {
    display: grid;
    gap: 12px;
}

.player-card,
.draw-card {
    position: relative;
    padding: 12px 14px;
    display: grid;
    gap: 4px;
    border: 2px solid var(--ink);
    border-radius: 10px 14px 10px 16px;
    background: var(--card);
}

.player-card span,
.draw-card span {
    color: var(--ink-soft);
    font-size: 0.92rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.player-card strong,
.draw-card strong {
    font-family: var(--hand-display);
    font-size: 2.2rem;
    line-height: 1;
}

.player-card small {
    color: var(--ink-soft);
    font-size: 0.96rem;
}

.x-player-card strong { color: var(--pen-blue); }
.o-player-card strong { color: var(--pen-red); }

.player-card.active-turn {
    background: #fff;
    box-shadow: inset 0 0 0 2px var(--pen-red);
}

.player-card.active-turn::after {
    content: "dran";
    position: absolute;
    top: -10px;
    right: -8px;
    padding: 2px 10px;
    transform: rotate(6deg);
    border: 2px solid var(--pen-red);
    border-radius: 999px;
    color: var(--pen-red);
    background: var(--highlight);
    font-family: var(--hand-display);
    font-size: 1rem;
    font-weight: 700;
}

/* ===================== Board ===================== */
.board-stage {
    display: grid;
    place-items: center;
}

.board-frame {
    position: relative;
    width: max-content;
    max-width: 100%;
    padding: var(--frame-pad);
    background: transparent;
}

.board-grid {
    position: absolute;
    inset: var(--frame-pad);
    z-index: 0;
    pointer-events: none;
    overflow: visible;
}

.grid-stroke {
    fill: none;
    stroke: var(--ink);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: grid-draw 0.5s ease forwards;
}

.grid-stroke:nth-of-type(2) { animation-delay: 0.1s; }
.grid-stroke:nth-of-type(3) { animation-delay: 0.2s; }
.grid-stroke:nth-of-type(4) { animation-delay: 0.3s; }

@keyframes grid-draw {
    to {
        stroke-dashoffset: 0;
    }
}

.grid-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, var(--ttt-cell));
    gap: var(--ttt-gap);
}

.game-cell {
    width: var(--ttt-cell);
    height: var(--ttt-cell);
    position: relative;
    display: grid;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: transform 0.14s ease;
}

.game-cell:not(:disabled):hover,
.game-cell:not(:disabled):focus-visible {
    outline: none;
}

.game-cell:not(:disabled):hover::after,
.game-cell:not(:disabled):focus-visible::after {
    content: "";
    position: absolute;
    inset: 22%;
    border-radius: 50%;
    border: 2px dashed rgba(107, 114, 128, 0.55);
    opacity: 0.8;
}

/* Hand-drawn marks (SVG injected by JS) */
.ttt-mark {
    width: 66%;
    height: 66%;
    overflow: visible;
}

.ttt-mark path {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 120;
    stroke-dashoffset: 120;
    animation: mark-draw 0.28s ease forwards;
}

.mark-x path {
    stroke: var(--pen-blue);
    stroke-width: 11;
}

.mark-x path:nth-of-type(2) {
    animation-delay: 0.16s;
}

.mark-o path {
    stroke: var(--pen-red);
    stroke-width: 11;
}

/* Already-placed marks render instantly; only the newest one animates */
.ttt-mark.is-static path {
    animation: none;
    stroke-dashoffset: 0;
}

@keyframes mark-draw {
    to {
        stroke-dashoffset: 0;
    }
}

.game-cell.winning-cell .ttt-mark path {
    filter: drop-shadow(0 0 6px rgba(255, 210, 60, 0.9));
}

/* Win line: highlighter strike */
.win-line {
    --line-rotate: 0deg;
    --line-offset-x: 0%;
    --line-offset-y: 0%;
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 4;
    width: 96%;
    height: 16px;
    border-radius: 999px;
    background: rgba(255, 210, 60, 0.62);
    mix-blend-mode: multiply;
    opacity: 0;
    pointer-events: none;
    transform: translate(calc(-50% + var(--line-offset-x)), calc(-50% + var(--line-offset-y))) rotate(var(--line-rotate)) scaleX(0.1);
    transform-origin: center;
}

.win-line.show {
    opacity: 1;
    animation: line-draw 0.36s ease forwards;
}

.win-line.row-0 { --line-offset-y: calc((var(--ttt-cell) + var(--ttt-gap)) * -1); }
.win-line.row-2 { --line-offset-y: calc(var(--ttt-cell) + var(--ttt-gap)); }
.win-line.col-0 { --line-rotate: 90deg; --line-offset-x: calc((var(--ttt-cell) + var(--ttt-gap)) * -1); }
.win-line.col-1 { --line-rotate: 90deg; }
.win-line.col-2 { --line-rotate: 90deg; --line-offset-x: calc(var(--ttt-cell) + var(--ttt-gap)); }
.win-line.diag-main { --line-rotate: 45deg; width: 130%; }
.win-line.diag-anti { --line-rotate: -45deg; width: 130%; }

.game-controls {
    justify-content: center;
}

/* ===================== Overlays ===================== */
.ttt-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    padding: 18px;
    display: grid;
    place-items: center;
    background: rgba(40, 34, 20, 0.42);
    backdrop-filter: blur(3px);
}

.ttt-overlay[hidden] {
    display: none;
}

.result-card,
.invite-card {
    position: relative;
    width: min(100%, 430px);
    border: 2px solid var(--ink);
    border-radius: 8px 16px 8px 18px;
    background: var(--card);
    box-shadow: var(--shadow);
}

.result-card {
    padding: 28px 26px;
    text-align: center;
    transform: rotate(-1.2deg);
}

.card-tape {
    position: absolute;
    top: -16px;
    left: 50%;
    width: 140px;
    height: 32px;
    transform: translateX(-50%) rotate(-3deg);
    background: rgba(255, 226, 122, 0.6);
    border: 1px dashed rgba(150, 120, 40, 0.4);
}

.result-mark {
    width: 86px;
    height: 86px;
    margin: 6px auto 12px;
    display: grid;
    place-items: center;
    border: 3px solid var(--ink);
    border-radius: 50% 48% 52% 49%;
    color: var(--pen-red);
    background: #fff;
    font-family: var(--hand-display);
    font-size: 2.8rem;
    font-weight: 700;
}

.result-card h2,
.invite-card h2 {
    margin: 0;
    font-family: var(--hand-display);
    font-size: 2rem;
    font-weight: 700;
}

.result-card p {
    margin: 8px 0 16px;
    color: var(--ink-soft);
}

.result-score-summary {
    min-height: 40px;
    margin-bottom: 20px;
    padding: 10px 12px;
    border: 2px dashed rgba(43, 47, 54, 0.32);
    border-radius: 10px;
    color: var(--ink);
    background: var(--paper-2);
    font-size: 1rem;
}

.invite-card {
    padding: 20px;
}

.invite-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.icon-button {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 2px solid var(--ink);
    border-radius: 10px;
    color: var(--ink);
    background: #fff;
    cursor: pointer;
}

.invite-list {
    display: grid;
    gap: 10px;
    max-height: 340px;
    overflow: auto;
}

.invite-friend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px;
    border: 2px solid var(--ink);
    border-radius: 10px;
    background: var(--paper-2);
}

.invite-person {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.invite-avatar {
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 2px solid var(--ink);
    border-radius: 50%;
    color: #fff;
    font-weight: 700;
}

.invite-name {
    min-width: 0;
    overflow: hidden;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.invite-empty,
.invite-loading {
    margin: 0;
    color: var(--ink-soft);
    text-align: center;
}

.invite-modal-actions {
    margin-top: 14px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid var(--pen-red);
    outline-offset: 2px;
}

@keyframes line-draw {
    to {
        transform: translate(calc(-50% + var(--line-offset-x)), calc(-50% + var(--line-offset-y))) rotate(var(--line-rotate)) scaleX(1);
    }
}

/* ===================== Responsive ===================== */
@media (max-width: 960px) {
    .arena-layout {
        grid-template-columns: 1fr;
    }

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

    .mode-card {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .mode-card i {
        grid-row: auto;
    }

    .player-rail {
        grid-template-columns: repeat(3, 1fr);
        order: 2;
    }

    .board-stage {
        order: 1;
    }
}

@media (max-width: 680px) {
    :root {
        --ttt-cell: clamp(82px, 27vw, 112px);
    }

    #ttt-app {
        width: min(100% - 18px, 1180px);
    }

    .game-topbar {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 8px;
    }

    .back-btn {
        justify-self: start;
    }

    .mode-grid,
    .option-row,
    .player-rail {
        grid-template-columns: 1fr;
    }

    .mode-card {
        grid-template-columns: 46px minmax(0, 1fr);
        justify-items: stretch;
        text-align: left;
    }

    .mode-card i {
        grid-row: span 2;
    }

    .join-row,
    .invite-code-row,
    .game-controls {
        align-items: stretch;
    }

    .join-row > *,
    .invite-code-row > *,
    .game-controls > * {
        flex: 1 1 100%;
    }

    .player-card,
    .draw-card {
        grid-template-columns: 1fr auto;
        align-items: center;
    }

    .player-card small,
    .draw-card strong {
        grid-column: 1 / -1;
    }
}

@media (max-width: 380px) {
    :root {
        --ttt-cell: clamp(66px, 25vw, 82px);
    }

    .hero-title {
        font-size: 3rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .grid-stroke,
    .ttt-mark path {
        stroke-dashoffset: 0;
    }
}