/*
 * keystro.ke
 * Copyright (C) 2026 Mike O'Riley
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 */

* {
    box-sizing: border-box;
}

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

body {
    overflow: hidden;
    color: #f3f7ff;
    background:
        radial-gradient(circle at 70% 20%, rgba(92, 126, 255, 0.22), transparent 32rem),
        radial-gradient(circle at 20% 80%, rgba(0, 255, 210, 0.12), transparent 28rem),
        #070914;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-shell {
    width: 100vw;
    height: 100vh;
}

.game-viewport {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hud {
    position: absolute;
    z-index: 20;
    top: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    display: grid;
    grid-template-columns: 1fr auto auto 1fr;
    gap: 2rem;
    align-items: start;
    pointer-events: none;
}

.brand,
.score-panel,
.timer-panel,
.combo-panel {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.brand-mark {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.build-label,
.score-label,
.timer-label,
.combo-label {
    color: rgba(243, 247, 255, 0.58);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.score-panel,
.timer-panel {
    align-items: center;
}

.combo-panel {
    align-items: flex-end;
}

.score-value,
.timer-value {
    color: rgba(243, 247, 255, 0.82);
    font-size: clamp(1.4rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1;
    text-shadow: 0 0 1rem rgba(87, 214, 255, 0.28);
}

.combo-value {
    color: #ffffff;
    font-size: clamp(2rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 0.9;
    text-shadow: 0 0 1.25rem rgba(87, 214, 255, 0.5);
}

.word-layer {
    position: absolute;
    inset: 0;
    z-index: 10;
    overflow: hidden;
    pointer-events: none;
}

.word-target {
    position: absolute;
    left: 0;
    top: 0;
    padding: 0.42rem 0.85rem 0.48rem;
    border: 1px solid rgba(127, 235, 255, 0.48);
    border-radius: 999px;
    color: #ffffff;
    background: rgba(7, 13, 30, 0.62);
    box-shadow:
        0 0 1.4rem rgba(87, 214, 255, 0.18),
        inset 0 0 1rem rgba(127, 235, 255, 0.08);
    font-size: clamp(1rem, 2vw, 1.4rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-shadow: 0 0 0.75rem rgba(127, 235, 255, 0.58);
    white-space: nowrap;
    transform: translate3d(0, 0, 0);
    transition:
        border-color 120ms ease,
        box-shadow 120ms ease,
        opacity 120ms ease;
}

.word-target.is-fast {
    border-color: rgba(255, 203, 87, 0.72);
    box-shadow:
        0 0 1.6rem rgba(255, 203, 87, 0.2),
        inset 0 0 1rem rgba(255, 203, 87, 0.08);
}

.word-target.is-slow {
    border-color: rgba(190, 125, 255, 0.64);
    box-shadow:
        0 0 1.6rem rgba(190, 125, 255, 0.2),
        inset 0 0 1rem rgba(190, 125, 255, 0.08);
}

.word-target.is-power-up {
    border-color: rgba(255, 231, 120, 0.95);
    color: #fff9d7;
    background:
        linear-gradient(135deg, rgba(255, 231, 120, 0.16), rgba(190, 125, 255, 0.14)),
        rgba(10, 9, 28, 0.72);
    box-shadow:
        0 0 2.4rem rgba(255, 231, 120, 0.36),
        0 0 1.1rem rgba(190, 125, 255, 0.28),
        inset 0 0 1.2rem rgba(255, 231, 120, 0.16);
}

.word-target.is-active {
    border-color: rgba(255, 255, 255, 0.95);
    box-shadow:
        0 0 2.2rem rgba(127, 235, 255, 0.46),
        0 0 0.85rem rgba(255, 255, 255, 0.36),
        inset 0 0 1.1rem rgba(127, 235, 255, 0.14);
}

.word-target.is-power-up.is-active {
    box-shadow:
        0 0 3rem rgba(255, 231, 120, 0.56),
        0 0 1.4rem rgba(255, 255, 255, 0.36),
        inset 0 0 1.25rem rgba(255, 231, 120, 0.2);
}

.word-target.is-muted {
    opacity: 0.38;
}

.word-target.has-error {
    border-color: rgba(255, 88, 122, 0.95);
    box-shadow:
        0 0 2rem rgba(255, 88, 122, 0.52),
        inset 0 0 1rem rgba(255, 88, 122, 0.16);
}

.word-typed {
    color: rgba(127, 235, 255, 0.98);
}

.word-target.is-power-up .word-typed {
    color: rgba(255, 231, 120, 1);
}

.word-remaining {
    color: rgba(255, 255, 255, 0.92);
}

.stage {
    position: absolute;
    z-index: 5;
    left: 50%;
    top: 50%;
    max-width: 42rem;
    padding: 2rem;
    text-align: center;
    opacity: 0.18;
    transform: translate(-50%, -50%);
    pointer-events: none;
    user-select: none;
}

.stage-kicker {
    margin: 0 0 0.75rem;
    color: rgba(127, 235, 255, 0.84);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.stage-title {
    margin: 0;
    font-size: clamp(2.2rem, 7vw, 5.8rem);
    line-height: 0.95;
}

.stage-copy {
    display: none;
}

.results-screen {
    position: absolute;
    inset: 0;
    z-index: 40;
    display: grid;
    place-items: center;
    padding: 2rem;
    background:
        radial-gradient(circle at 50% 30%, rgba(127, 235, 255, 0.14), transparent 28rem),
        rgba(3, 6, 16, 0.82);
    backdrop-filter: blur(0.8rem);
}

.results-screen[hidden] {
    display: none;
}

.results-card {
    width: min(42rem, 100%);
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid rgba(127, 235, 255, 0.24);
    border-radius: 1.4rem;
    background:
        linear-gradient(135deg, rgba(16, 24, 54, 0.88), rgba(7, 10, 24, 0.92));
    box-shadow:
        0 0 4rem rgba(87, 214, 255, 0.14),
        inset 0 0 2rem rgba(127, 235, 255, 0.04);
    text-align: center;
}

.results-kicker {
    margin: 0 0 0.7rem;
    color: rgba(127, 235, 255, 0.86);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.results-title {
    margin: 0 0 1.8rem;
    font-size: clamp(2.4rem, 7vw, 5rem);
    line-height: 0.95;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 0;
}

.result-item {
    padding: 1rem 0.7rem;
    border: 1px solid rgba(243, 247, 255, 0.12);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.035);
}

.result-item dt {
    margin: 0 0 0.45rem;
    color: rgba(243, 247, 255, 0.58);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.result-item dd {
    margin: 0;
    color: #ffffff;
    font-size: clamp(1.4rem, 3vw, 2.3rem);
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 0 1rem rgba(87, 214, 255, 0.26);
}

.results-note {
    margin: 1.6rem 0 0;
    color: rgba(243, 247, 255, 0.56);
    font-size: 0.95rem;
}

.source-footer {
    position: absolute;
    z-index: 30;
    left: 1.5rem;
    bottom: 1.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
    max-width: calc(100vw - 3rem);
    color: rgba(243, 247, 255, 0.34);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    pointer-events: auto;
    transition: color 160ms ease, text-shadow 160ms ease;
}

.source-footer:hover,
.source-footer:focus-within {
    color: rgba(243, 247, 255, 0.72);
    text-shadow: 0 0 1rem rgba(87, 214, 255, 0.18);
}

.source-footer a {
    color: inherit;
    text-decoration: none;
}

.source-footer a:hover,
.source-footer a:focus-visible {
    color: rgba(127, 235, 255, 0.95);
    outline: none;
}

.source-footer span:not(:last-child)::after,
.source-footer a::after {
    content: "·";
    margin-left: 0.45rem;
    color: rgba(243, 247, 255, 0.24);
}

@media (max-width: 760px) {
    .hud {
        grid-template-columns: 1fr 1fr;
        gap: 1.2rem;
    }

    .score-panel,
    .timer-panel {
        align-items: flex-end;
    }

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

    .result-item:first-child {
        grid-column: 1 / -1;
    }

    .source-footer {
        right: 1.5rem;
        justify-content: center;
        text-align: center;
    }
}