/*
 * Public pages: the landing page (the cover of the game), login and registration.
 * Build on the classes and variables in app.css.
 */

.public {
    display: flex;
    flex-direction: column;
}

.public-main {
    flex: 1;
}

/* ---------- Header ---------- */

.public-header {
    position: relative;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem 1rem;
    padding: 1rem clamp(1rem, 4vw, 3rem);
}

.public--home .public-header {
    position: absolute;
    inset: 0 0 auto;
}

.public-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--paper);
    text-decoration: none;
}

.public-header__brand:hover {
    color: var(--paper);
}

.public-header__sigil {
    width: 2.2rem;
    height: 2.2rem;
    color: var(--coral);
    stroke-width: 1.9;
    filter: drop-shadow(1.5px 1px 0 rgb(232 180 67 / 70%));
}

.public-header__wordmark {
    font: 400 1.6rem/1 var(--font-display);
    text-shadow: 0.05em 0.04em 0 rgb(255 107 87 / 60%);
}

.public-header__nav,
.join {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
}

/* ---------- Landing: hero ---------- */

.hero {
    position: relative;
    isolation: isolate;
    display: grid;
    justify-items: center;
    align-content: start;
    gap: 1.5rem;
    min-height: min(80vh, 52rem);
    padding: clamp(4.5rem, 10vh, 7rem) clamp(1rem, 4vw, 3rem) clamp(5rem, 9vh, 6rem);
    text-align: center;
    background: var(--hero-image) center 35% / cover no-repeat, var(--ink-950);
    border-bottom: 2px solid var(--keyline);
}

/* Darken the sky behind the title, and print the art down into the page in halftone. */
.hero::before,
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.hero::before {
    background: linear-gradient(to bottom, rgb(8 9 27 / 70%), rgb(8 9 27 / 10%) 45%, rgb(8 9 27 / 0%) 55%, rgb(13 15 38 / 92%) 100%);
}

.hero::after {
    top: 55%;
    background: var(--halftone-indigo);
    mask-image: linear-gradient(to bottom, transparent, #000);
}

/* No scene yet: a coral world rising out of halftone sky. */
.hero--no-art {
    background:
        radial-gradient(circle at 50% 135%, var(--coral) 0 34%, var(--coral-dark) 34.2% 35.2%, transparent 35.4%),
        radial-gradient(circle at 47% 133%, transparent 0 35.8%, rgb(232 180 67 / 60%) 36% 36.4%, transparent 36.6%),
        var(--halftone-indigo),
        var(--ink-950);
}

.hero__text {
    display: grid;
    justify-items: center;
    max-width: 46rem;
}

.hero__kicker {
    margin: 0 0 0.8rem;
    font: 700 0.78rem/1.3 var(--font-body);
    font-stretch: 80%;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--mustard);
}

.hero__title {
    margin: 0 0 1.3rem;
    font: 400 clamp(4.5rem, 2.5rem + 9vw, 10rem)/0.85 var(--font-display);
    letter-spacing: -0.01em;
    color: var(--paper);
    text-shadow: 0.035em 0.03em 0 rgb(255 107 87 / 85%), -0.022em -0.018em 0 rgb(232 180 67 / 55%);
}

.hero__pitch {
    margin: 0;
    padding: 1.1rem 1.4rem 1.2rem;
    font-size: 1.05rem;
    line-height: 1.65;
    text-align: left;
    color: var(--paper);
    background: rgb(8 9 27 / 84%) var(--grain);
    border: 1px solid var(--edge);
    box-shadow: var(--shadow);
    backdrop-filter: blur(2px);
}

/* A carved initial, as on a printed broadside. */
.hero__pitch::first-letter {
    float: left;
    margin: 0.1rem 0.55rem 0 0;
    font: 400 3.4rem/0.8 var(--font-display);
    color: var(--coral);
    text-shadow: 0.04em 0.03em 0 rgb(232 180 67 / 60%);
}

/* ---------- Landing: the way in (inside the hero, under the pitch) ---------- */

.join {
    justify-content: center;
    gap: 1rem 1.5rem;
}

.join .btn {
    padding: 0.8rem 1.7rem;
    font-size: 1rem;
    box-shadow: 4px 4px 0 var(--keyline);
}

.join__login {
    margin: 0;
    padding: 0.35rem 0.7rem;
    color: var(--paper);
    background: rgb(8 9 27 / 92%);
    border: 1px solid var(--edge);
}

/* The header leaves out the button of the page you are on. */
.public-header .btn.is-current {
    display: none;
}

/* On the landing page the hero holds the main call; the header's is quieter. */
.public--home .public-header .btn--primary {
    --btn-bg: transparent;
    --btn-fg: var(--coral-light);
    --btn-hover: rgb(255 107 87 / 12%);
    --btn-border: rgb(255 107 87 / 70%);
}

/* ---------- Landing: plates of artwork ---------- */

/* The plates rise over the bottom edge of the hero, like prints laid on the cover. */
.plates {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
    gap: 2rem;
    max-width: 72rem;
    margin: -5rem auto 0;
    padding: 0 clamp(1rem, 4vw, 3rem) 4rem;
}

.plate {
    display: flex;
    flex-direction: column;
    background: var(--ink-800) var(--grain);
    border: 1px solid var(--edge);
    box-shadow: 5px 5px 0 var(--keyline);
    transform: rotate(-0.6deg);
}

.plate:nth-child(2) {
    transform: rotate(0.5deg) translateY(0.6rem);
}

.plate:nth-child(3) {
    transform: rotate(-0.3deg);
}

.plate__image {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-bottom: 2px solid var(--keyline);
}

.plate__text {
    padding: 0.9rem 1.1rem 1.2rem;
}

.plate__number {
    font-size: 0.8rem;
    color: var(--coral);
}

.plate__title {
    margin: 0.1rem 0 0.4rem;
    font-size: 1.5rem;
}

.plate__body {
    margin: 0;
    color: var(--paper-dim);
    font-size: 0.93rem;
}

/* ---------- Footer ---------- */

.public-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem 2rem;
    font-size: 0.8rem;
    color: var(--paper-faint);
    background: var(--rule-paper) center top / 120px 6px repeat-x;
}

.public-footer .icon {
    color: var(--coral);
}

/* ---------- Login ---------- */

.public--auth .public-main {
    display: grid;
    align-items: center;
    padding: 0 clamp(1rem, 4vw, 3rem);
}

.auth-scene {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(19rem, 27rem);
    width: 100%;
    max-width: 68rem;
    margin: 1rem auto 3rem;
    overflow: hidden;
    background: var(--ink-800) var(--grain);
    border: 1px solid var(--edge);
    box-shadow: 6px 6px 0 var(--keyline);
}

/* The scene, enlarged a little so any paper margin in the print is cut off. */
.auth-scene::before {
    content: "";
    min-height: 28rem;
    background: var(--scene-image) center / cover no-repeat, var(--ink-950);
    border-right: 2px solid var(--keyline);
    transform: scale(1.12);
    transform-origin: 60% 50%;
}

.auth-card {
    position: relative;
    z-index: 1;
    background: var(--ink-800) var(--grain);
    border-left: 2px solid var(--keyline);
}

.auth-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 2.6rem);
}

.auth-card__title {
    margin: 0 0 0.6rem;
    padding-bottom: 0.5rem;
    font-size: 2.3rem;
    text-shadow: 0.045em 0.04em 0 rgb(255 107 87 / 55%);
    background: var(--rule-coral) left bottom / 120px 6px repeat-x;
}

.auth-card__lead {
    margin: 0 0 1.4rem;
    color: var(--paper-dim);
}

.auth-card .input {
    width: 100%;
    font-size: 1rem;
    padding: 0.55rem 0.7rem;
}

.auth-card__submit {
    margin-top: 0.4rem;
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
}

.auth-card__alt {
    margin: 1.2rem 0 0;
    padding-top: 1rem;
    color: var(--paper-dim);
    background: var(--rule-paper) left top / 120px 6px repeat-x;
}

/* ---------- Registration ---------- */

.register {
    max-width: 72rem;
    margin: 1rem auto 3rem;
    padding: 0 clamp(1rem, 4vw, 3rem);
}

.register__head {
    max-width: 46rem;
    margin-bottom: 1.6rem;
}

.register__title {
    margin: 0 0 0.5rem;
    font-size: clamp(2.2rem, 1.6rem + 3vw, 3.4rem);
    text-shadow: 0.045em 0.04em 0 rgb(255 107 87 / 55%);
}

.register__intro {
    margin: 0;
    font-size: 1.02rem;
    color: var(--paper-dim);
}

.register__layout {
    display: grid;
    grid-template-columns: minmax(15rem, 20rem) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
}

.register__ruler {
    display: flex;
    flex-direction: column;
}

.register__fields {
    padding: 1.2rem 1.2rem 0.4rem;
    background: var(--ink-800) var(--grain);
    border: 1px solid var(--edge);
    box-shadow: var(--shadow);
}

.register__fields .input {
    width: 100%;
    font-size: 1rem;
}

.register__hint {
    font-size: 0.78rem;
    color: var(--paper-faint);
}

.register__classes {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

/* "Ruler" (a paragraph) and "Class" (a legend) line up: the legend is floated out of the
   fieldset border so it lays out like the paragraph. */
.register__legend {
    float: left;
    width: 100%;
    margin: 0 0 0.7rem;
    padding: 0;
    font: 700 0.7rem/1.2 var(--font-body);
    font-stretch: 78%;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--mustard);
}

.class-cards {
    clear: both;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
    gap: 1.1rem;
}

.register .class-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--ink-800) var(--grain);
    border: 1.5px solid var(--edge);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, border-color 0.12s;
}

.register .class-card:hover {
    border-color: rgb(255 107 87 / 55%);
}

/* The radio stays in the page for keyboards and validation; the card shows its state. */
.register .class-card__input {
    position: absolute;
    top: 0.7rem;
    left: 0.7rem;
    opacity: 0;
}

.register .class-card:has(:focus-visible) {
    outline: 2px solid var(--mustard);
    outline-offset: 3px;
}

.register .class-card:has(:checked) {
    border-color: var(--coral);
    box-shadow: 5px 5px 0 var(--coral);
    transform: translate(-2px, -2px);
}

/* Every card carries a stamp: "Choose" in outline, "Chosen" inked in coral. */
.register .class-card::after {
    content: "Choose";
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    padding: 0.1rem 0.5rem;
    font: 700 0.7rem/1.4 var(--font-body);
    font-stretch: 80%;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--paper);
    background: rgb(8 9 27 / 80%);
    border: 1px solid rgb(239 230 210 / 50%);
    transform: rotate(2deg);
}

.register .class-card:has(:checked)::after {
    content: "Chosen";
    color: var(--ink-950);
    background: var(--coral);
    border-color: var(--keyline);
    box-shadow: 2px 2px 0 var(--keyline);
}

.register .class-card__image {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-bottom: 2px solid var(--keyline);
}

.register .class-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.8rem 0.9rem 1rem;
}

.register .class-card__name {
    font: 400 1.25rem/1.2 var(--font-display);
}

.register .class-card__description {
    font-size: 0.86rem;
    line-height: 1.45;
    color: var(--paper-dim);
}

.register__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.4rem;
    margin-top: 1.8rem;
    padding-top: 1.3rem;
    background: var(--rule-paper) left top / 120px 6px repeat-x;
}

.register__actions .btn {
    padding: 0.75rem 1.6rem;
    font-size: 0.95rem;
}

.register__alt {
    margin: 0;
    color: var(--paper-dim);
}

/* ---------- Small screens ---------- */

@media (max-width: 820px) {
    .auth-scene {
        grid-template-columns: minmax(0, 1fr);
        margin: 0.5rem 1rem 2rem;
    }

    .auth-scene::before {
        min-height: 11rem;
        border-right: 0;
        border-bottom: 2px solid var(--keyline);
    }

    .auth-card {
        border-left: 0;
    }

    .register__layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.4rem;
    }
}

@media (max-width: 560px) {
    .public-header {
        padding: 0.8rem 1rem;
    }

    .public-header__wordmark {
        font-size: 1.35rem;
    }

    .public-header__nav .btn {
        padding: 0.4rem 0.7rem;
    }

    .hero {
        min-height: 88vh;
        padding-top: 7rem;
    }

    .hero__pitch {
        padding: 0.9rem 1rem;
        font-size: 0.93rem;
        line-height: 1.55;
    }

    /* The hero's button is on screen: the header keeps only "Log in". */
    .public--home .public-header .btn--primary {
        display: none;
    }

    .plate,
    .plate:nth-child(2),
    .plate:nth-child(3) {
        transform: none;
    }

    /* Class cards turn into rows: art on the left, text on the right. */
    .register .class-card {
        flex-direction: row;
    }

    .register .class-card__image {
        width: 6.5rem;
        aspect-ratio: auto;
        align-self: stretch;
        border-bottom: 0;
        border-right: 2px solid var(--keyline);
    }

    /* The stamp sits on the art, clear of the name. */
    .register .class-card::after {
        top: 0.5rem;
        left: 0.4rem;
        right: auto;
    }

    .plates {
        margin-top: -2.5rem;
    }
}