@font-face {
    font-family:"Logbook Hand";
    src:url('../fonts/patrick-hand/PatrickHand-Regular.ttf') format('truetype');
    font-weight:400;
    font-style:normal;
    font-display:swap
}
:root {
    --bg:#101820;
    --bg2:#182530;
    --text:#edf3f6;
    --muted:#a5b4bd;
    --gold:#d3aa58;
    --line:#314856;
    --ink:#26313a
}
* {
    box-sizing:border-box
}
body {
    margin:0;
    background:radial-gradient(circle at 20% 0%,#ffffff0a,transparent 30rem),linear-gradient(180deg,var(--bg2),var(--bg));
    color:var(--text);
    font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif
}
.logbook-site {
    max-width:1180px;
    margin:auto;
    padding:0 22px
}
.logbook-heading {
    padding:28px 0 18px
}
.logbook-heading h1 {
    margin:0;
    font-size:clamp(1.65rem,3vw,2.45rem);
    font-weight:750;
    letter-spacing:-.025em
}
.logbook-heading>p {
    max-width:760px;
    margin:.55rem 0 0;
    color:#b9c4cc;
    font-size:.95rem;
    line-height:1.55
}
.logbook-desk {
    position:relative;
    overflow:hidden;
    padding:32px 24px 26px;
    border:1px solid #4b4037;
    border-radius:18px;
    background:linear-gradient(#08131aaa,#08131acc),url('../images/grids/shack-blur.png') center/cover;
    box-shadow:0 24px 55px #0005
}
.logbook-desk::after {
    content:"";
    position:absolute;
    inset:auto 5% 6px;
    height:35px;
    border-radius:50%;
    background:#0008;
    filter:blur(18px);
    pointer-events:none
}
.book-instructions {
    position:relative;
    z-index:2;
    margin:0 0 18px;
    color:#c9d2d7;
    font-size:.76rem;
    text-align:center
}
.book-wrap {
    position:relative;
    z-index:2;
    width:min(900px,92%);
    aspect-ratio:793.65062/559.33479;
    margin:auto;
    filter:drop-shadow(0 22px 22px #0008)
}
.book {
    width:100%;
    height:100%
}
.book-page {
    overflow:hidden;
    background:#f8f8f6
}
.book-cover {
    cursor:pointer;
    background:#f8d957
}
.book-cover:focus-visible {
    outline:3px solid #55c9ed;
    outline-offset:-4px
}
.book-cover img,.paper-sheet>img {
    display:block;
    width:100%;
    height:100%;
    object-fit:fill
}
.paper-sheet {
    position:relative;
    width:100%;
    height:100%;
    overflow:hidden;
    background:#f8f8f6;
    container-type:inline-size
}
.spiral {
    position:absolute;
    z-index:100;
    left:-14px;
    top:3%;
    bottom:3%;
    display:grid;
    grid-template-rows:repeat(14,1fr);
    align-items:center;
    pointer-events:none
}
.spiral span {
    display:block;
    width:30px;
    height:12px;
    border:3px solid #687178;
    border-left-color:#d6dde0;
    border-radius:50%;
    background:transparent;
    box-shadow:2px 2px 2px #0005;
    transform:rotate(-7deg)
}
.sheet-overlay {
    position:absolute;
    inset:0;
    color:#26313a;
    font-family:"Logbook Hand",cursive;
    font-size:1.55cqw;
    line-height:1
}
.station-call,.station-qth,.sheet-number {
    position:absolute;
    white-space:nowrap
}
.station-call {
    left:14.2%;
    top:8.6%;
    font-size:1.08em
}
.station-qth {
    left:18%;
    top:14.4%;
    font-size:.98em
}
.sheet-number {
    left:89.5%;
    top:11.8%;
    width:8%;
    font-size:1.12em;
    text-align:center
}
.log-rows {
    position:absolute;
    left:3.02%;
    top:26.55%;
    width:94.36%;
    height:69.25%;
    display:grid;
    grid-template-rows:repeat(13,1fr)
}
.log-row {
    display:grid;
    grid-template-columns:8.54% 9.35% 16.69% 13.75% 7.74% 8.68% 35.25%;
    align-items:center;
    min-width:0;
    transform:rotate(var(--tilt,0deg));
    line-height:1
}
.log-row span {
    min-width:0;
    padding:0 .25em;
    text-align:center;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:clip
}
.log-row .notes {
    text-align:left;
    padding-left:.7em;
    font-size:.89em
}
.log-row .call {
    letter-spacing:.025em
}
.log-row .new-dxcc {
    color:#7b4d14
}
.book-controls {
    position:relative;
    z-index:3;
    display:flex;
    justify-content:center;
    align-items:center;
    flex-wrap:wrap;
    gap:9px;
    margin-top:21px
}
.book-controls button {
    padding:8px 11px;
    border:1px solid #64747e;
    border-radius:6px;
    background:#172630;
    color:#edf3f6;
    font:inherit;
    font-size:.72rem;
    cursor:pointer
}
.book-controls button:hover:not(:disabled) {
    border-color:var(--gold)
}
.book-controls button:disabled {
    opacity:.35;
    cursor:default
}
.book-controls span {
    min-width:130px;
    color:#d9c18d;
    font:700 .72rem monospace;
    text-align:center
}
.book-data-status,.prototype-note {
    color:#91a3ad;
    font-size:.7rem;
    text-align:center
}
.prototype-note {
    margin:16px 0 30px
}
.book-data-status {
    position:relative;
    z-index:2;
    margin:14px 0 0
}
@media(max-width:700px) {
    .logbook-site {
        padding:0 14px
    }
    .logbook-desk {
        padding:24px 8px 20px;
        overflow-x:auto
    }
    .book-instructions,.book-controls,.book-data-status {
        min-width:640px
    }
    .book-wrap {
        width:660px
    }
    .spiral {
        left:-10px
    }
    .spiral span {
        width:24px;
        height:10px;
        border-width:2px
    }
}

/* Anillado en capas: la hoja pasa entre el arco trasero y el delantero. */
.book {
    position: relative;
    z-index: 2;
}

.book-page::after {
    content: "";
    position: absolute;
    z-index: 4;
    left: 0;
    top: 2.1%;
    bottom: 2.1%;
    width: 2.4%;
    background: radial-gradient(circle at 48% 50%, #30383d 0 2.4px, #c9cecf 2.7px 3.8px, transparent 4.1px) center top / 100% calc(100% / 14) repeat-y;
    filter: drop-shadow(1px 1px 1px #0005);
    pointer-events: none;
}

.spiral-back {
    z-index: 1;
}

.spiral-front {
    z-index: 100;
    transition: opacity 150ms ease, transform 260ms ease;
}

.spiral-front span {
    clip-path: inset(-6px -6px -6px 48%);
}

.book-wrap.is-turning .spiral-front {
    opacity: 0;
    transform: translateX(-5px);
}

@media (prefers-reduced-motion: reduce) {
    .spiral-front {
        transition: none;
    }
}

/* PageFlip clona la hoja que se pliega; esta copia representa su reverso. */
.book-page-back {
    background:
        radial-gradient(circle at 18% 12%, #ffffff80, transparent 26%),
        linear-gradient(100deg, #e3e1d9 0, #f8f7f1 5%, #fbfaf5 100%) !important;
}

.book-page-back > * {
    opacity: 0.11 !important;
    filter: grayscale(1) contrast(0.72);
}

.book-page-back::after {
    display: none !important;
}

/* Acabado de la libreta. */
.book-page::after {
    background: radial-gradient(
        circle at 48% 50%,
        #30383d 0 2.4px,
        #c9cecf 2.7px 3.8px,
        transparent 4.1px
    ) center top / 100% calc(100% / 14) repeat-y;
    opacity: 1;
}

.paper-sheet {
    box-shadow:
        inset -2px 0 2px #252d3217,
        inset 0 -2px 2px #252d321c;
}

.paper-sheet > img {
    position: relative;
    z-index: 1;
}

.paper-sheet::before {
    content: "";
    position: absolute;
    z-index: 2;
    inset: 0 auto 0 0;
    width: 5.2%;
    background: linear-gradient(
        90deg,
        #343a3d24 0,
        #4f55581a 20%,
        #ffffff24 52%,
        transparent 100%
    );
    box-shadow: inset 1px 0 #ffffff4d;
    pointer-events: none;
}

.sheet-overlay {
    z-index: 3;
}

.book-cover {
    box-shadow:
        inset -2px 0 2px #5b461c38,
        inset 0 -2px 2px #5b461c42;
}

.spiral-front {
    transition:
        opacity 260ms ease,
        transform 420ms cubic-bezier(.22,.65,.32,1);
}

.book-wrap.is-turning .spiral-front {
    opacity: 0.06;
    transform: translateX(-7px) scaleX(0.94);
}

.book-controls {
    width: max-content;
    max-width: 100%;
    margin: 21px auto 0;
    padding: 7px;
    border: 1px solid #52636d99;
    border-radius: 9px;
    background: linear-gradient(180deg, #1b2b35e8, #101c23e8);
    box-shadow:
        0 8px 20px #0004,
        inset 0 1px #ffffff0d;
}

.book-controls button {
    min-height: 34px;
    border-color: #667983;
    background: linear-gradient(180deg, #243742, #17262f);
    box-shadow: inset 0 1px #ffffff0f;
}

.book-controls button:hover:not(:disabled) {
    border-color: var(--gold);
    background: linear-gradient(180deg, #2b414d, #1b2d36);
}

.book-controls span {
    color: #e2c982;
    font-family: "Logbook Hand", cursive;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.04em;
}

@media (max-width:700px) {
    .book-controls {
        max-width: none;
    }
}

/* Vista inicial: la libreta apoyada sobre el escritorio del shack. */
.logbook-desk::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 45% 0 0;
    background:
        linear-gradient(180deg, #0b111500, #080b0ddd 24%, #050708f2),
        linear-gradient(105deg, #50362070, #171310b8 52%, #533a2470);
    border-top: 1px solid #b68b5540;
    pointer-events: none;
    transition: opacity 450ms ease;
}

.book-wrap {
    transform-origin: 50% 58%;
    transition:
        transform 450ms cubic-bezier(.22,.72,.3,1),
        filter 450ms ease;
}

.logbook-desk.is-desk-view .book-wrap {
    transform: perspective(1100px) translateY(6%) rotateX(13deg) rotateZ(-1.8deg) scale(0.64);
    filter: drop-shadow(0 34px 24px #000b);
}

.logbook-desk.is-reading-view::before {
    opacity: 0.34;
}

.book-pickup {
    position: absolute;
    z-index: 130;
    inset: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
}

.book-pickup span {
    position: absolute;
    left: 50%;
    bottom: -3.3rem;
    transform: translateX(-50%);
    padding: 0.6rem 0.9rem;
    border: 1px solid #d3aa5899;
    border-radius: 7px;
    background: #101820e8;
    box-shadow: 0 8px 18px #0007;
    font-size: 0.78rem;
    letter-spacing: 0.025em;
    white-space: nowrap;
}

.book-pickup:hover span,
.book-pickup:focus-visible span {
    border-color: #e4c47d;
    background: #1a2933f2;
}

.logbook-desk.is-reading-view .book-pickup {
    display: none;
}

.logbook-desk.is-desk-view .book-controls,
.logbook-desk.is-desk-view .book-data-status {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.book-controls,
.book-data-status {
    transition: opacity 220ms ease;
}

#book-desk-return {
    color: #cfbd98;
}

@media (prefers-reduced-motion: reduce) {
    .book-wrap,
    .logbook-desk::before {
        transition: none;
    }
}

@media (max-width:700px) {
    .logbook-desk.is-desk-view .book-wrap {
        transform: perspective(900px) translateY(5%) rotateX(10deg) rotateZ(-1.2deg) scale(0.72);
    }
}

.logbook-desk.is-desk-view .book {
    pointer-events: none;
}

/* Fondo nítido del shack; se desenfoca sólo al acercar la libreta. */
.logbook-desk {
    isolation: isolate;
    background: #0c1318;
}

.shack-backdrop {
    position: absolute;
    z-index: 0;
    inset: 0;
    border-radius: inherit;
    background: url('../images/logbook/shack-escritorio.webp') center / cover no-repeat;
    filter: brightness(0.78) saturate(0.94);
    transform: scale(1.002);
    transition:
        filter 450ms ease,
        transform 450ms ease;
    pointer-events: none;
}

.logbook-desk::before {
    z-index: 1;
    inset: 0;
    border-top: 0;
    background: linear-gradient(180deg, #06101710 0%, #06101718 48%, #05090c4d 100%);
    opacity: 1;
}

.logbook-desk.is-reading-view .shack-backdrop {
    filter: blur(8px) brightness(0.42) saturate(0.78);
    transform: scale(1.035);
}

.logbook-desk.is-reading-view::before {
    opacity: 1;
    background: linear-gradient(180deg, #0710166e, #07101694);
}

.logbook-desk.is-desk-view .book-wrap {
    transform: perspective(1100px) translateY(30%) rotateX(48deg) rotateZ(-1.4deg) scale(0.56);
    filter: drop-shadow(0 38px 24px #000c);
}

@media (prefers-reduced-motion: reduce) {
    .shack-backdrop {
        transition: none;
    }
}

@media (max-width:700px) {
    .logbook-desk.is-desk-view .book-wrap {
        transform: perspective(900px) translateY(25%) rotateX(42deg) rotateZ(-1deg) scale(0.64);
    }
}

/* Navegación del libro completo. */
.book-page-jump {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding-left: 0.25rem;
    color: #bfcbd1;
    font-size: 0.72rem;
}

.book-page-jump input {
    width: 4.6rem;
    min-height: 34px;
    padding: 0.35rem 0.45rem;
    border: 1px solid #667983;
    border-radius: 6px;
    outline: 0;
    background: #0e1a21;
    color: #f0d58f;
    font: 1rem "Logbook Hand", cursive;
    text-align: center;
}

.book-page-jump input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 2px #d3aa5826;
}

.book-page-jump button {
    min-height: 34px;
}

/* Ficha de índice y búsqueda. */
.logbook-tools[hidden],
.logbook-tools-panel[hidden] {
    display: none;
}

.logbook-tools {
    position: absolute;
    z-index: 220;
    top: 70px;
    right: 24px;
    bottom: 72px;
    width: min(430px, calc(100% - 48px));
    overflow: hidden;
    border: 1px solid #b9aa8b;
    border-radius: 10px 5px 5px 10px;
    background:
        linear-gradient(90deg, #c9bfae 0 8px, transparent 8px),
        #f3efe4;
    color: #26313a;
    box-shadow: -16px 18px 35px #0008, inset 9px 0 13px #5e514521;
}

.logbook-tools-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 17px 17px 11px 25px;
    border-bottom: 1px solid #b8ad99;
}

.logbook-tools-kicker {
    color: #8a6b31;
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.logbook-tools h2 {
    margin: 0.15rem 0 0;
    font: 400 1.4rem "Logbook Hand", cursive;
}

.logbook-tools-header button {
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid #a79a83;
    border-radius: 50%;
    background: #e6dfd1;
    color: #39444b;
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
}

.logbook-tools-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 0 17px 0 25px;
    border-bottom: 1px solid #b8ad99;
}

.logbook-tools-tabs button {
    padding: 9px 7px 7px;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: #667078;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
}

.logbook-tools-tabs button[aria-selected="true"] {
    border-bottom-color: #b78937;
    color: #26313a;
}

.logbook-tools-panel {
    height: calc(100% - 111px);
    overflow: auto;
    padding: 14px 17px 18px 25px;
}

.logbook-search-field,
.logbook-search-filters label {
    display: grid;
    gap: 0.3rem;
    color: #59636a;
    font-size: 0.65rem;
    font-weight: 700;
}

.logbook-search-field input,
.logbook-search-filters select {
    min-width: 0;
    height: 36px;
    padding: 0 0.6rem;
    border: 1px solid #aaa18f;
    border-radius: 5px;
    outline: 0;
    background: #fffdf8;
    color: #26313a;
    font: inherit;
    font-size: 0.78rem;
}

.logbook-search-field input:focus,
.logbook-search-filters select:focus {
    border-color: #a97e2e;
    box-shadow: 0 0 0 2px #d3aa5833;
}

.logbook-search-filters {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    margin-top: 0.75rem;
}

.logbook-search-summary,
.logbook-index-help {
    margin: 0.8rem 0 0.55rem;
    color: #6d757a;
    font-size: 0.68rem;
}

.logbook-search-results,
.logbook-year-index {
    display: grid;
    gap: 0.4rem;
}

.logbook-search-result,
.logbook-year-index button {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.1rem 0.65rem;
    width: 100%;
    padding: 0.55rem 0.65rem;
    border: 1px solid #c6bdad;
    border-radius: 5px;
    background: #fffdf8b8;
    color: #2d383f;
    text-align: left;
    cursor: pointer;
}

.logbook-search-result:hover,
.logbook-year-index button:hover {
    border-color: #b58b3d;
    background: #fffdf8;
}

.logbook-search-result strong,
.logbook-year-index strong {
    color: #725018;
    font-size: 0.78rem;
}

.logbook-search-result span,
.logbook-year-index span {
    font-size: 0.67rem;
}

.logbook-search-result small,
.logbook-year-index small {
    grid-column: 1;
    color: #737b80;
    font-size: 0.62rem;
}

.logbook-search-result b {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    color: #59636a;
    font-size: 0.62rem;
}

.logbook-year-index button span,
.logbook-year-index button small {
    text-align: right;
}

.logbook-year-index button small {
    grid-column: 2;
}

.log-row.is-search-hit {
    z-index: 5;
    border-radius: 2px;
    background: linear-gradient(90deg, #f4cc3a26, #f4cc3a8c 15%, #f4cc3a62 88%, transparent);
    box-shadow: inset 0 -2px #c99320a8;
    animation: logbook-search-pulse 900ms ease 2;
}

@keyframes logbook-search-pulse {
    50% {
        background-color: #f0c43e80;
    }
}

@media (max-width:700px) {
    .logbook-tools {
        left: 118px;
        right: auto;
        width: 410px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .log-row.is-search-hit {
        animation: none;
    }
}

/* Proporción de la ficha respecto de la libreta. */
.logbook-tools {
    top: 50%;
    right: 6px;
    bottom: auto;
    height: min(560px, calc(100% - 150px));
    transform: translateY(-48%);
}

@media (max-width:700px) {
    .logbook-tools {
        top: 50%;
        left: 136px;
        right: auto;
        height: min(540px, calc(100% - 130px));
        transform: translateY(-48%);
    }
}

/* La ficha se posiciona respecto de la libreta, no del escritorio completo. */
.logbook-tools {
    top: 50%;
    left: calc(50% + 25px);
    right: auto;
    bottom: auto;
    height: min(560px, calc(100% - 40px));
    transform: translate(-50%, -50%);
}

@media (max-width:700px) {
    .logbook-tools {
        top: 50%;
        left: calc(50% + 18px);
        right: auto;
        height: min(540px, calc(100% - 32px));
        transform: translate(-50%, -50%);
    }
}

/* Tintas manuscritas de la libreta. */
.sheet-overlay {
    color: #28577f;
}

.log-row .new-dxcc {
    color: #a23b35;
}

/* Vista móvil de presentación: toda la experiencia entra en pantalla. */
.logbook-mobile-note {
    display: none;
}

@media (max-width:700px) {
    .logbook-desk {
        padding: 20px 8px 18px;
        overflow: hidden;
    }

    .shack-backdrop {
        background-color: #0c1318;
        background-position: center top;
        background-size: contain;
        background-repeat: no-repeat;
    }

    .book-instructions,
    .book-controls,
    .book-data-status {
        min-width: 0;
    }

    .book-wrap {
        width: 100%;
        max-width: 100%;
    }

    .logbook-desk.is-desk-view .book-wrap {
        transform: perspective(700px) translateY(18%) rotateX(42deg) rotateZ(-1deg) scale(0.64);
    }

    .spiral {
        left: -5px;
    }

    .spiral span {
        width: 18px;
        height: 8px;
        border-width: 2px;
    }

    .book-controls {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        gap: 6px;
        padding: 6px;
    }

    .book-controls button {
        padding: 7px 8px;
        font-size: 0.68rem;
    }

    .book-controls span {
        min-width: 90px;
        font-size: 0.9rem;
    }

    #book-first,
    #book-last,
    .book-page-jump,
    #book-tools-toggle {
        display: none;
    }

    .book-data-status {
        margin-top: 10px;
    }

    .logbook-mobile-note {
        position: relative;
        z-index: 2;
        display: block;
        max-width: 32rem;
        margin: 9px auto 2px;
        color: #bdc9cf;
        font-size: 0.68rem;
        line-height: 1.45;
        text-align: center;
    }
}

/* La libreta móvil permanece dentro de la superficie visible de la mesa. */
@media (max-width:700px) {
    .logbook-desk.is-desk-view .book-wrap {
        transform-origin: 50% 35%;
        transform: perspective(700px) translateY(-15%) rotateX(42deg) rotateZ(-1deg) scale(0.54);
    }
}

/* La escena móvil cerrada no reserva espacio para controles invisibles. */
@media (max-width:700px) {
    .logbook-desk.is-desk-view .book-controls,
    .logbook-desk.is-desk-view .book-data-status {
        display: none;
    }

    .logbook-desk.is-desk-view .book-wrap {
        margin-bottom: -72px;
    }
}