/* Social Empires' look, shared by every page: the pages around the game
   (site.css), the game page and its windows (game.css), the admin pages.
   The game's own: its parchment pop-ups in a wooden frame, its round bold
   lettering, its chunky green and gold buttons. Colours, the font, buttons,
   boxes and dropdowns, tooltips and the windows' frame live here, once. */

/* Nunito: a round font like the game's own (Arial Rounded), kept here rather
   than loaded from Google, so visiting the site tells Google nothing.
   SIL Open Font License, fonts/OFL.txt. */
@font-face {
    font-family: "Nunito";
    font-style: normal;
    font-weight: 600 900;
    font-display: swap;
    src: url("fonts/nunito-latin.woff2") format("woff2");
}

:root {
    --sky-top: #6ccdf3;
    --sky-low: #c8eefb;
    --grass: #8cc63f;
    --grass-dark: #6aa82a;
    --grass-deep: #4f8a1c;
    --wood: #6e5335;
    --wood-light: #9e7747;
    --parchment: #fbf6dc;
    --parchment-deep: #f1e2b4;
    --parchment-edge: #d9cf98;
    --parchment-line: #e9e1b8;
    --flourish: #cbbd74;
    --ink: #4a2c12;
    --ink-soft: #7a5a36;
    --gold: #ffd200;
    --red: #b8141c;
    --green-top: #9fd83f;
    --green-bottom: #5ca51b;
    --green-edge: #3c7811;
    --gold-top: #ffe066;
    --gold-bottom: #f5a623;
    --gold-edge: #a8650b;
    --focus: #5aa9e6;
    --round: "Nunito", "Arial Rounded MT Bold", "Trebuchet MS", system-ui, sans-serif;
    --text: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }  /* even where a rule below gives the element a display */

h1, h2, h3 {
    font-family: var(--round);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.2;
}

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

/* Buttons: green to go, gold to make or buy, white for the quieter choice,
   red to delete. Every one the same chunky shape, pressed down when clicked. */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    padding: 0 20px;
    border: 2px solid var(--green-edge);
    border-radius: 12px;
    background: linear-gradient(var(--green-top), var(--green-bottom));
    box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.45), 0 3px 0 var(--green-edge);
    color: #fff;
    font: 800 16px var(--round);
    text-shadow: 0 1px 0 #2c5a0b, 0 0 3px #2c5a0b;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    margin-top: 16px;
}

.button:hover { filter: brightness(1.06); }
.button:active { transform: translateY(2px); box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.45), 0 1px 0 var(--green-edge); }

.button.gold {
    border-color: var(--gold-edge);
    background: linear-gradient(var(--gold-top), var(--gold-bottom));
    box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.5), 0 3px 0 var(--gold-edge);
    color: var(--ink);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.button.plain {
    border-color: var(--parchment-edge);
    background: #fff;
    box-shadow: 0 2px 0 var(--parchment-edge);
    color: var(--ink);
    text-shadow: none;
}

.button.danger {
    border-color: #7e1010;
    background: linear-gradient(#f0675c, #c2271c);
    box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.35), 0 3px 0 #7e1010;
    text-shadow: 0 1px 0 #5a0909;
}

.button.small { min-height: 36px; padding: 0 14px; font-size: 14px; margin-top: 0; }
.button.tiny { min-height: 30px; padding: 0 10px; border-radius: 9px; font-size: 13px; margin-top: 0; }

.button:disabled,
.button[aria-disabled="true"] {
    filter: grayscale(0.7);
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.button img.icon { width: 20px; height: 20px; }

/* A button that reads as a link (Log out, in the lines of links). */
.link-button {
    border: 0;
    padding: 0;
    background: none;
    color: #1f6fb2;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}

/* Boxes to type in and to pick from: white on parchment, the parchment's own edge. */

input[type="text"],
input[type="password"],
input[type="search"],
input[type="number"],
input:not([type]),
select {
    height: 40px;
    max-width: 100%;
    padding: 0 12px;
    border: 2px solid var(--parchment-edge);
    border-radius: 10px;
    background-color: #fff;
    color: var(--ink);
    font: 15px var(--text);
}

input::placeholder { color: #a8936f; }

input:hover,
select:hover { border-color: #c9bb7a; }

input:focus-visible,
select:focus-visible {
    border-color: var(--focus);
    outline: 3px solid rgba(90, 169, 230, 0.35);
    outline-offset: 0;
}

/* The dropdown's arrow: the browser's own is grey and square; this one is ink. */
select {
    appearance: none;
    padding-right: 34px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%234a2c12' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px 8px;
    cursor: pointer;
}

select option { color: var(--ink); }

input[type="number"] { width: 110px; font-variant-numeric: tabular-nums; }

input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0 6px 0 0;
    vertical-align: -3px;
    accent-color: var(--green-bottom);
    cursor: pointer;
}

.small-fields input,
.small-fields select { height: 34px; font-size: 14px; }

/* Things that open (Delete this empire…, Remove…): the game's arrow, turning. */

details > summary {
    list-style: none;
    cursor: pointer;
}

details > summary::-webkit-details-marker { display: none; }

details > summary::before {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    margin-right: 6px;
    border-left: 6px solid currentColor;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: transform 0.15s;
    vertical-align: 1px;
}

details[open] > summary::before { transform: rotate(90deg); }

/* Tooltips: a parchment bubble, for the mouse and the keyboard alike.
   data-tip="..." on the thing; on a disabled button, on a box around it
   (a disabled button notices no mouse). */

[data-tip] { position: relative; }

[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    z-index: 50;
    top: calc(100% + 8px);
    left: 50%;
    width: max-content;
    max-width: 240px;
    padding: 6px 10px;
    border: 2px solid var(--wood);
    border-radius: 8px;
    background: var(--parchment);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    color: var(--ink);
    font: 600 12px/1.35 var(--round);
    text-align: center;
    text-shadow: none;
    white-space: normal;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -4px);
    transition: opacity 0.12s, transform 0.12s;
}

[data-tip]:hover::after,
[data-tip]:focus-visible::after,
[data-tip]:focus-within::after {
    opacity: 1;
    transform: translate(-50%, 0);
    transition-delay: 0.25s;
}

[data-tip].tip-left::after { left: auto; right: 0; transform: translate(0, -4px); }
[data-tip].tip-left:hover::after,
[data-tip].tip-left:focus-visible::after,
[data-tip].tip-left:focus-within::after { transform: translate(0, 0); }

/* A red count (requests and gifts waiting). */
.badge {
    display: inline-block;
    min-width: 20px;
    padding: 0 6px;
    border-radius: 10px;
    background: var(--red);
    color: #fff;
    font: 800 12px/20px var(--round);
    text-align: center;
    text-decoration: none;
}

/* The windows over the game (the bank, gifts, invite): a parchment notice in
   a wooden frame, the gold flourishes in its corners, as the game's own. */
.frame {
    position: relative;
    width: min(400px, calc(100vw - 32px));
    padding: 20px 22px 16px;
    border: 4px solid var(--wood);
    border-radius: 14px;
    background: var(--parchment);
    color: var(--ink);
    font: 14px/1.45 var(--text);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35), 0 14px 40px rgba(0, 0, 0, 0.5);
}

.frame::backdrop { background: rgba(20, 30, 10, 0.6); }

/* Opened, a window takes the focus itself (its page calls focus() on it), not
   its close button, so no ring shows until the keyboard moves. */
.frame:focus { outline: none; }

.frame::before,
.frame::after {
    content: "";
    position: absolute;
    width: 26px;
    height: 26px;
    border: 3px solid var(--flourish);
    pointer-events: none;
}

.frame::before { top: 6px; left: 6px; border-right: 0; border-bottom: 0; border-top-left-radius: 10px; }
.frame::after { bottom: 6px; right: 6px; border-left: 0; border-top: 0; border-bottom-right-radius: 10px; }

.frame h2 {
    margin: 0 34px 10px 0;
    font-size: 20px;
}

.frame h2 img { height: 24px; vertical-align: -5px; }

.frame p { margin: 0 0 10px; }

.frame .close {
    position: absolute;
    top: 10px;
    right: 10px;
    margin: 0;
}

.frame .close button {
    width: 32px;
    min-height: 32px;
    padding: 0;
    font-size: 15px;
}

.frame a { color: #6b3e12; }