/* gEth Book Styles */
.book-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 2rem;
}

.book {
    display: flex;
    width: min(800px, 92vw);
    height: min(600px, 70vh);
    background-color: var(--kirby-pink);
    border: var(--px) solid var(--kirby-ink);
    box-shadow:
        0 0 0 var(--px) var(--kirby-peach),
        0 0 0 calc(var(--px) * 2) var(--kirby-ink),
        0 calc(var(--px) * 2) 0 var(--kirby-ink);
    position: relative;
    perspective: 1000px;
}

.page {
    flex: 1;
    padding: 2rem;
    background: var(--kirby-cream);
    border: var(--px) solid var(--kirby-ink);
    overflow-y: auto;
    font-size: 0.7rem;
    line-height: 1.6;
    position: relative;
    color: var(--kirby-ink);
}

.page h3 {
    color: var(--kirby-blue);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1rem;
}

.left-page {
    border-right: calc(var(--px) * 2) solid var(--kirby-ink);
}

.right-page {
    border-left: calc(var(--px) * 2) solid var(--kirby-ink);
}

.message-entry {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--kirby-peach);
    border: var(--px) solid var(--kirby-ink);
    position: relative;
    box-shadow: var(--px) var(--px) 0 var(--kirby-ink);
}

.message-entry.private {
    background-color: rgba(255, 95, 122, 0.2);
    border-color: var(--kirby-danger);
}

.message-entry.public {
    background-color: rgba(147, 227, 193, 0.25);
    border-color: var(--kirby-mint);
}

.message-author {
    font-size: 0.6rem;
    color: var(--kirby-ink-soft);
    margin-bottom: 0.5rem;
    word-break: break-all;
}

.message-text {
    color: var(--kirby-ink);
    margin-bottom: 0.5rem;
    word-wrap: break-word;
}

.message-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.message-controls button {
    font-size: 0.6rem;
    padding: 0.25rem 0.5rem;
}

.message-controls .delete-btn {
    background-color: var(--kirby-danger);
    color: var(--kirby-white);
}

.message-controls .delete-btn:hover {
    background-color: var(--kirby-pink-deep);
}

.message-controls .favorite-btn {
    background-color: var(--kirby-yellow);
    color: var(--kirby-ink);
}

.message-controls .favorite-btn:hover {
    background-color: var(--kirby-mint);
}

.message-date {
    font-size: 0.5rem;
    color: var(--kirby-ink-soft);
}

.book-controls {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

@media (max-width: 900px) {
    .book {
        width: min(95vw, 700px);
        height: min(75vh, 550px);
    }

    .page {
        padding: 1.5rem;
        font-size: 0.65rem;
    }

    .book-controls {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    .book-controls .nes-btn {
        font-size: 0.6rem;
        padding: 0.5rem 0.8rem;
    }
}

@media (max-width: 700px) {
    .book {
        width: 95vw;
        height: 65vh;
        flex-direction: column;
    }

    .page {
        padding: 1rem;
        font-size: 0.6rem;
    }

    .left-page {
        border-right: none;
        border-bottom: calc(var(--px) * 2) solid var(--kirby-ink);
    }

    .right-page {
        border-left: none;
        border-top: calc(var(--px) * 2) solid var(--kirby-ink);
    }

    .book-controls {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.4rem;
    }

    .book-controls .nes-btn {
        font-size: 0.55rem;
        padding: 0.4rem 0.6rem;
    }

    .message-entry {
        padding: 0.75rem;
        margin-bottom: 1rem;
    }

    .message-controls {
        flex-wrap: wrap;
    }

    .message-controls button {
        font-size: 0.5rem;
        padding: 0.2rem 0.4rem;
    }

    #page-number {
        font-size: 0.6rem;
    }
}

@media (max-width: 500px) {
    .book {
        height: 60vh;
    }

    .page {
        padding: 0.75rem;
        font-size: 0.55rem;
    }

    .page h3 {
        font-size: 0.8rem;
    }

    .book-controls .nes-btn {
        font-size: 0.5rem;
        padding: 0.3rem 0.5rem;
    }
}

/* Page turn animation */
.page.turning {
    animation: pageTurn 0.6s steps(6);
}

@keyframes pageTurn {
    0% {
        transform: rotateY(0deg);
        opacity: 1;
    }
    50% {
        transform: rotateY(90deg);
        opacity: 0.5;
    }
    100% {
        transform: rotateY(0deg);
        opacity: 1;
    }
}

.book.turning-left .left-page {
    animation: pageTurnLeft 0.6s steps(6);
}

.book.turning-right .right-page {
    animation: pageTurnRight 0.6s steps(6);
}

@keyframes pageTurnLeft {
    0% {
        transform-origin: right center;
        transform: rotateY(0deg);
    }
    100% {
        transform-origin: right center;
        transform: rotateY(-180deg);
    }
}

@keyframes pageTurnRight {
    0% {
        transform-origin: left center;
        transform: rotateY(0deg);
    }
    100% {
        transform-origin: left center;
        transform: rotateY(180deg);
    }
}

#page-number {
    font-size: 0.8rem;
    color: var(--kirby-ink-soft);
    padding: 0.5rem;
}

/* Scrollbar for pages */
.page::-webkit-scrollbar {
    width: 8px;
}

.page::-webkit-scrollbar-track {
    background: var(--kirby-cream);
}

.page::-webkit-scrollbar-thumb {
    background: var(--kirby-pink);
    border: 1px solid var(--kirby-ink);
}

.empty-book {
    text-align: center;
    color: var(--kirby-ink-soft);
    font-style: italic;
    padding: 2rem;
}