* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    height: 100%;
    background: #003049;
}

body {
    font-family: 'Courier New', 'Monaco', monospace;
    background: #eae2b7;
    min-height: 100vh;
    padding: 20px 20px 40px 20px;
    color: #003049;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
}

/* Index page: full height container */
body.index-page {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    height: 100vh;
    overflow-y: auto;
}

body.index-page .container {
    height: calc(100vh - 40px);
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
    padding-bottom: 40px;
    padding-right: 16px;
    padding-left: 16px;
    min-height: 0;
    overflow-y: auto;
    overflow-x: visible;
    width: 90%;
    max-width: 512px;
}

body.index-page header {
    margin-bottom: 20px;
}

body.index-page main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 0;
    overflow-y: auto;
    overflow-x: visible;
    padding: 0 8px;
}

body.index-page .drawing-container {
    flex-shrink: 0;
    aspect-ratio: 1;
    width: 100%;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.container {
    max-width: 512px;
    width: 60%;
    margin: 0 auto;
    background: #fcbf49;
    border: 8px solid #003049;
    border-radius: 0;
    padding: 40px;
    padding-bottom: 50px;
    box-sizing: border-box;
    box-shadow: 12px 12px 0px #003049;
}

/* Gallery page: wider container */
body.gallery-page {
    padding: 20px 2.5% 40px 2.5%;
}

body.gallery-page .container {
    max-width: 1400px;
    width: 100%;
    padding: 30px;
    padding-bottom: 40px;
}

/* About page: standard container */
body.about-page {
    padding: 20px 20px 40px 20px;
}

body.about-page .container {
    max-width: 640px;
    width: 90%;
    padding: 40px;
    padding-bottom: 50px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    width: 100%;
}

header h1 {
    font-size: 2rem;
    color: #003049;
    margin-bottom: 10px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-shadow: none;
    border: 4px solid #003049;
    padding: 15px;
    background: #eae2b7;
    display: inline-block;
    position: relative;
    z-index: 1;
}

.subtitle {
    color: #003049;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
}

/* Drawing Container */
.drawing-container {
    position: relative;
    /* width: 100%; */
    width: 100%;
    max-width: 512px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 25px;
    aspect-ratio: 1;
    background: #003049;
    border: 6px solid #003049;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 8px 8px 0px #d62828;
}

.drawing-image {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: none;
}

.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #eae2b7;
    font-size: 1rem;
    font-weight: 900;
    text-transform: uppercase;
    background: #003049;
    padding: 15px;
    border: 4px solid #fcbf49;
}

/* Navigation */
.navigation {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.nav-btn {
    color: #003049;
    cursor: pointer;
    background: #eae2b7;
    border: 4px solid #003049;
    border-radius: 0;
    border-width: 3px;
    box-shadow: 3px 3px 0px #003049;
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 0.7rem;
    font-weight: 900;
    padding: 10px 18px;
    text-transform: uppercase;
    transition: all 0.1s ease;
}

.nav-btn:hover:not(:disabled) {
    background: #003049;
    color: #eae2b7;
    transform: translate(3px, 3px);
    box-shadow: 1px 1px 0px #003049;
}

.nav-btn:active:not(:disabled) {
    transform: translate(4px, 4px);
    box-shadow: 0px 0px 0px #003049;
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: #CCCCCC;
}

/* Gallery Link */
.gallery-link {
    text-align: center;
    margin-top: 20px;
    flex-shrink: 0;
}

.gallery-btn {
    display: inline-block;
    padding: 10px 25px;
    background: #003049;
    color: #fcbf49;
    text-decoration: none;
    border-radius: 0;
    font-weight: 900;
    text-transform: uppercase;
    transition: all 0.1s ease;
    border: 4px solid #003049;
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 0.75rem;
    box-shadow: 5px 5px 0px #d62828;
}

.gallery-btn:hover {
    background: #fcbf49;
    color: #003049;
    transform: translate(4px, 4px);
    box-shadow: 1px 1px 0px #d62828;
}

.gallery-btn:active {
    transform: translate(5px, 5px);
    box-shadow: 0px 0px 0px #d62828;
}

/* Gallery Grid */
.gallery-main {
    width: 100%;
    max-width: 100%;
    margin-top: 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 20px;
}

/* Gallery grid responsive breakpoints */
@media (max-width: 1200px) {
    body.gallery-page {
        padding: 20px 2.5% 40px 2.5%;
    }

    body.gallery-page .container {
        max-width: 1200px;
        width: 100%;
    }

    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1401px) {
    body.gallery-page {
        padding: 20px 2.5% 40px 2.5%;
    }

    body.gallery-page .container {
        max-width: 1600px;
        width: 100%;
    }
}

.gallery-item {
    aspect-ratio: 1;
    /* border-radius: 0; */
    overflow: hidden;
    transition: all 0.1s ease;
    box-shadow: 6px 6px 0px #fcbf49;
    display: flex;
    flex-direction: column;
}

.gallery-item img {
    border: 4px solid #003049;
}

.gallery-item:hover {
    transform: translate(4px, 4px);
    box-shadow: 2px 2px 0px #fcbf49;
}


.gallery-item a {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    text-decoration: none;
    position: relative;
}

.day-number {
    /* font-size: 1.2rem; */
    font-weight: 900;
    margin-left: 5px;
    /* background: #003049; */
    /* text color gradient from #d62828 to #fcbf49 */
    background: linear-gradient(to top, #d62828, #fcbf49);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    /* color: #d62828; */
    /* color: #fcbf49; */
}

.gallery-day-overlay {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: #003049;
    color: #fcbf49;
    font-size: 1rem;
    padding: 4px 6px;
    border: 1px solid #fcbf49;
    z-index: 100;
    box-shadow: 3px 3px 0px #d62828;
    line-height: 1;
    pointer-events: none;
}

.gallery-item img {
    width: 100%;
    height: auto;
    max-width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    display: block;
    flex: 1;
    min-height: 0;
    position: relative;
    z-index: 1;
}

.gallery-label {
    height: 50px;
    min-height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eae2b7;
    color: #003049;
    font-weight: 900;
    font-size: 1rem;
    text-transform: uppercase;
    border-top: 4px solid #003049;
    font-family: 'Courier New', 'Monaco', monospace;
}

.gallery-item-hidden {
    display: none;
}

/* About page content */
.about-main {
    width: 100%;
}

.about-content {
    width: 100%;
    max-width: 100%;
    line-height: 1.8;
    color: #003049;
}

.about-content p {
    margin-bottom: 20px;
    font-size: 1rem;
    font-weight: 400;
    text-align: left;
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-content h2,
.about-content h3 {
    color: #003049;
    font-weight: 900;
    text-transform: uppercase;
    margin-top: 30px;
    margin-bottom: 15px;
}

.about-content h2 {
    font-size: 1.5rem;
    border: 3px solid #003049;
    padding: 10px 15px;
    background: #eae2b7;
    display: inline-block;
}

.about-content h3 {
    font-size: 1.2rem;
}

.about-content a {
    color: #d62828;
    text-decoration: underline;
    font-weight: 700;
}

.about-content a:hover {
    color: #003049;
    background: #fcbf49;
    text-decoration: none;
}

/* About menu button - floating bottom right */
.about-menu-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    padding: 12px 20px;
    background: #003049;
    color: #fcbf49;
    text-decoration: none;
    border-radius: 0;
    font-weight: 900;
    text-transform: uppercase;
    transition: all 0.1s ease;
    border: 4px solid #003049;
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 0.75rem;
    box-shadow: 5px 5px 0px #d62828;
}

.about-menu-btn:hover {
    background: #fcbf49;
    color: #003049;
    transform: translate(4px, 4px);
    box-shadow: 1px 1px 0px #d62828;
}

.about-menu-btn:active {
    transform: translate(5px, 5px);
    box-shadow: 0px 0px 0px #d62828;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 15px 15px 30px 15px;
    }

    body.about-page {
        padding: 15px;
    }

    body.about-page .container {
        max-width: 100%;
        width: 95%;
        padding: 25px;
        padding-bottom: 35px;
    }

    .about-content p {
        font-size: 0.9rem;
        margin-bottom: 18px;
    }

    .about-content h2 {
        font-size: 1.2rem;
        padding: 8px 12px;
    }

    .about-content h3 {
        font-size: 1rem;
    }

    .about-menu-btn {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 0.7rem;
        border-width: 3px;
        box-shadow: 4px 4px 0px #d62828;
    }

    body.index-page {
        padding: 15px;
        height: 100vh;
        min-height: 100vh;
        max-height: 100vh;
    }

    body.index-page .container {
        height: calc(100vh - 30px);
        max-height: calc(100vh - 30px);
        padding: 15px;
        padding-right: 20px;
        padding-left: 15px;
        padding-bottom: 20px;
        overflow-x: visible;
        width: 95%;
        max-width: 100%;
    }

    body.index-page header {
        margin-bottom: 15px;
    }

    body.index-page {
        margin-bottom: 15px;
    }

    body.index-page .drawing-container {
        margin-bottom: 15px;
        max-width: 100%;
        width: 100%;
    }

    body.index-page .navigation {
        margin-bottom: 15px;
    }

    .container {
        padding: 20px;
        padding-bottom: 40px;
        border-width: 6px;
        box-shadow: 8px 8px 0px #003049;
    }

    .drawing-container {
        max-width: 100%;
        margin-bottom: 20px;
        border-width: 4px;
        box-shadow: 6px 6px 0px #d62828;
    }

    header h1 {
        font-size: 1.8rem;
        padding: 12px 15px;
        border-width: 3px;
        margin-bottom: 5px;
        line-height: 1.2;
    }

    body.gallery-page {
        padding: 15px 2.5% 30px 2.5%;
    }

    body.gallery-page .container {
        max-width: 100%;
        width: 100%;
        padding: 20px;
        padding-bottom: 30px;
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .navigation {
        gap: 15px;
    }


    .gallery-btn {
        padding: 8px 20px;
        font-size: 0.7rem;
        border-width: 3px;
        box-shadow: 4px 4px 0px #d62828;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px 10px 25px 10px;
    }

    body.about-page {
        padding: 10px;
    }

    body.about-page .container {
        max-width: 100%;
        width: 95%;
        padding: 20px;
        padding-bottom: 30px;
    }

    .about-content p {
        font-size: 0.85rem;
        margin-bottom: 15px;
        line-height: 1.6;
    }

    .about-content h2 {
        font-size: 1rem;
        padding: 6px 10px;
        margin-top: 20px;
        margin-bottom: 12px;
    }

    .about-content h3 {
        font-size: 0.9rem;
    }

    .about-menu-btn {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 0.7rem;
        border-width: 3px;
        box-shadow: 4px 4px 0px #d62828;
    }

    body.index-page {
        padding: 10px;
        height: 100vh;
        min-height: 100vh;
        max-height: 100vh;
    }

    body.index-page .container {
        height: calc(100vh - 20px);
        max-height: calc(100vh - 20px);
        padding: 10px;
        padding-right: 18px;
        padding-left: 10px;
        padding-bottom: 15px;
        overflow-x: visible;
        width: 95%;
        max-width: 100%;
    }

    body.index-page main {
        padding: 0 4px;
    }

    body.index-page header {
        margin-bottom: 10px;
    }

    body.index-page header h1 {
        font-size: 1.2rem;
        padding: 10px 12px;
        border-width: 2px;
        line-height: 1.2;
        margin-bottom: 0;
    }

    body.index-page {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    body.index-page {
        font-size: 1.5rem;
        padding: 5px 10px;
        margin: 0 3px;
    }

    body.index-page .drawing-container {
        margin-bottom: 10px;
        border-width: 3px;
        max-width: 100%;
        width: 100%;
    }

    body.index-page .navigation {
        margin-bottom: 10px;
        gap: 10px;
    }

    body.index-page {
        padding: 8px 15px;
        font-size: 0.7rem;
    }

    body.index-page .gallery-link {
        margin-top: 10px;
    }

    body.index-page .gallery-btn {
        padding: 8px 18px;
        font-size: 0.7rem;
    }

    .container {
        padding: 15px;
        padding-bottom: 35px;
        border-width: 4px;
        box-shadow: 6px 6px 0px #003049;
    }

    .drawing-container {
        max-width: 100%;
        border-width: 3px;
        box-shadow: 4px 4px 0px #d62828;
    }

    header h1 {
        font-size: 1.3rem;
        padding: 10px 12px;
        border-width: 2px;
        line-height: 1.2;
    }

    body.gallery-page {
        padding: 10px 2.5% 25px 2.5%;
    }

    body.gallery-page .container {
        max-width: 100%;
        width: 100%;
        padding: 15px;
        padding-bottom: 25px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .navigation {
        flex-direction: column;
        gap: 12px;
    }

    .gallery-btn {
        padding: 10px 20px;
        font-size: 0.7rem;
        border-width: 3px;
        box-shadow: 4px 4px 0px #d62828;
    }
}