/* css/style.css */

/* --- General & Mobile First Styles --- */
:root {
/* Light background scheme 
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --main-bg-color: #ffffff;
    --screen-bg-color: #d8e0d8; 
    --slideshow-bg-color: #00000080;
    --canvas-viewer-bg-color: #000000e6;
    --modal-bg-color: #00000099;
    --accent-color: #3498db;
    --link-bg-color: #d0dddd;
    --dark-accent-color: #1478ab;
    --dark-button-color: #5a5a6e83;
    --dark-button-text-color: #ffffff;
    --light-color: #ecf0ff;
    --text-color: #444477;
    --light-text: #7f8c8d;
    --header-text: #ffffff;
    --card-bg: #ffffff;
    --shadow: 5px 5px 3px #0000001a;
    --box-shadow: 9px 9px 3px #00000033;
    --popup-shadow: 0 10px 10px #ffffffcc; 
*/ /* Dark background scheme */
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --main-bg-color: #303030;
    --screen-bg-color: #d8e0d8; 
    --slideshow-bg-color: #00000080;
    --canvas-viewer-bg-color: #000000e6;
    --modal-bg-color: #00000099;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --link-bg-color: #d0dddd;
    --dark-accent-color: #1478ab;
    --dark-button-color: #5a5a6e83;
    --dark-button-text-color: #ffffff;
    --light-color: #ecf0ff;
    --text-color: #ffffff;
    --light-text: #507070;
    --header-text: #ffffff;
    --card-bg: #ffffff;
    --shadow: 5px 5px 3px #ffffff33;
    --box-shadow: 9px 9px 3px #ffffff66;
    --popup-shadow: 9px 9px 5px #000000b3; 
    --border-radius: 5px;
    --header-font: "Forum", "Oranienbaum", "Bodoni", serif;
    --mono-font: "Roboto Mono", "Inconsolata", monospace, courier;
    --symbol-font: "Material Symbols", "Noto Sans Symbols 2", "Roboto";
}

body, html {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--screen-bg-color); /* BG outside the app frame */
    color: var(--text-color);
    margin: 0;
    line-height: 1.0;
    width: 100%;
    height: 100%;
    overflow: hidden; /* Prevents body scroll */
}

.hidden { display: none !important; }

main {
    padding: 1rem;
}

footer {
    text-align: center;
    background-color: var(--main-bg-color); /* var(--secondary-color); */
    color: var(--header-text);
    margin: 0px;
    padding: 0px;
    font-size: 0.7em;
}


h1, h2 {
    color: var(--text-color);
    border-top: none; 
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--header-font);
}

h2.naked {
    border: none;
}

/* --- APP CONTAINER --- */
#app-container {
    width: 100%;
    height: 100%;
    background-color: var(--main-bg-color);
    position: relative;
    display: flex;
    flex-direction: column;
    /* grid-template-columns: repeat(2, 1fr); */
    /* overflow: hidden; */
}


/* --- SPLASH SCREEN --- */
#splash-screen {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: url('../images/splash_background.jpg');
    background-size: cover;
    background-position: center;
    padding: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--header-text);
}

#splash-screen.hidden {
	display: none;
}

#splash-screen::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: transparent; /* var(--modal-bg-color); */
}
.splash-content {
    position: relative;
    z-index: 1;
    padding: 20px;
    background: var(--modal-bg-color);
    border-radius: 30px;
}
.splash-content h1 {
    border: none;
    margin-top: 0.5rem;
    font-size: 2.5em;
    margin-bottom: 0.5em;
    color: var(--header-text); */
}
.splash-content p {
    font-size: 1.1em;
    max-width: 600px;
    margin-bottom: 1.5em;
    color: var(--header-text);
}
#enter-button {
    padding: 12px 25px;
    font-size: 1.2em;
    background-color: var(--dark-button-color);
    color: var(--dark-button-text-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}
#enter-button:hover {
    background-color: var(--accent-color);
}

/* --- MAIN CONTENT LAYOUT --- */

#main-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}
#main-content.hidden {
	display: none;
}

#album-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}
#album-content.hidden {
	display: none;
}


header .logo {
    font-weight: bold;
    font-family: var(--header-font);
    font-size: 1.5em;
    color: var(--light-color);
    padding-left: 1em;
}

header .logo a { /* Not used as cannot override styling of href links */
    color: var(--link-bg-color);  
    text-decoration: none;
}

header .h1 {
    color: var(--header-text);
}

#main-header, #section-header {
    display: grid;
    grid-template-columns: 1fr 10fr; /* 1fr 9fr 5fr; */
    justify-content: space-between;
    align-items: end; 
    /* padding: 10px 15px; */
    color: var(--light-color);
    background-color: var(--secondary-color);
    /* border-bottom: 1px solid var(--border-color); */
    /* flex-shrink: 0; */
}

#section-header {
    grid-template-columns: 1fr 9fr 5fr;
}

nav#base-help, nav#album-help {
    display: inline-block; /* flex; */
    text-align: right;
    align-items: end;
}

#page-content {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    /* align-items: center; */
    overflow-y: auto;
    padding: 20px;
    /* gap: 20px; */
    /* grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); */
}

#photo-content {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    overflow-y: auto;
    padding: 20px;
    gap: 20px;
    /* grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); */
}


/* --- BREADCRUMBS --- */
#breadcrumbs-nav {
    /* flex-grow: 1; */
    text-align: center;
    font-size: 0.9em;
}
#breadcrumbs-nav a, #breadcrumbs-nav span {
    color: var(--accent-color);
    text-decoration: none;
    margin: 0 5px;
}
#breadcrumbs-nav a:hover {
    text-decoration: underline;
}
#breadcrumbs-nav span {
    color: var(--text-color);
    font-weight: bold;
}
#breadcrumbs-nav .separator {
    color: var(--light-text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 1rem 0;
    /* box-shadow: var(--shadow); */
}

header .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

header nav button, .modal-button {
    background-color: var(--dark-button-color); /* var(--accent-color); */
    color: var(--dark-button-text-color);
    border: none;
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    margin: 0rem 1rem 0rem 0.5rem;
    font-size: 0.9rem;
}

header nav button:hover, .modal-button:hover {
    background-color: var(--dark-accent-color); 
}

#send-email-now { 
    background-color: var(--link-bg-color);
    /* text-decoration: none; you cannot override the styling of hrefs in most browsers, for security reasons. */
    color: var(--dark-button-text-color);
    border: none;
}

.drop-button {
    border:none;
    background-color: var(--dark-button-color);
    color: var(--dark-button-text-color);
    padding: 0.3rem 0.3rem;
    text-align: left;
}

.drop-button:hover {
    background-color: var(--dark-accent-color);
}

.photo-menu-drop-button {
    border:none;
    background-color: var(--dark-button-color);
    color: var(--dark-button-text-color);
    padding: 0.3rem 0.3rem;
    text-align: left;
}

.photo-menu-drop-button:hover {
    background-color: var(--dark-accent-color);
}




/* --- Slideshow --- */
#slideshow-container {
    width: 100%;
    max-width: 1200px;
    /* 
    height: 56.25vw;  
    max-height: 70vh; 
    */
    height: 60vh; /* 500px; */
    margin: auto;
    position: relative;
    background-color: transparent;
    cursor: pointer;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#slideshow-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
}

#slideshow-image {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Cover the area, may crop */
    transition: opacity 0.9s ease;
}

#slideshow-overlay {
    position: absolute;
    bottom: 10px;
    text-align: center;
    width: 2em;
    background-color: var(--slideshow-bg-color);
    color: var(--dark-button-text-color);
    display: inline-block;
    z-index: 1;
    padding: 0.5em;
    font-size: 1.0rem;
    font-family: var(--symbol-font);
    opacity: 0;
    transition: opacity 1.0s;
}

#slideshow-container:hover #slideshow-overlay {
    opacity: 1;
}

/* --- Welcome & Album Grid --- */
#welcome-section {
    max-width: 900px;
    margin: 0.2rem 0.1rem auto;
    background: transparent; /* var(--secondary-color); */
    color: var(--header-text);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius);
    position: relative;
    align-self: center;
    font-size: 0.9rem; 
}


#album-title {
    /* width: 50%; vertical-align: middle; */
    padding-left: 1em;
    font-family: var(--header-font);
}
#album-grid, #photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px,1fr));
    gap: 1rem;
    margin-top: 0.5rem;
    overflow-y: auto;
}

.album-card, .photo-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
    cursor: pointer;
    width: 100%;
    height: 370px;
    object-fit: cover;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.album-card:hover, .photo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.album-card img, .photo-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display:  block;
}

.album-card-container {
    padding: 0.5rem;
}

.album-card-title {
    color: var(--light-text);
    border: none;
    margin: 0.5rem 0 0.2rem 0;
    font-size: 1.1rem;
    font-style: italic; 
    font-family: var(--header-font);
}

.album-card-description-popup {
    display: none;
    position: absolute;
    top: 15%;
    left: 5%;
    width: 80%;
    background: var(--secondary-color);
    color: var(--dark-button-text-color);
    padding: 1rem;
    border-radius: var(--border-radius) ;
    box-shadow: var(--popup-shadow); 
    /* opacity: 0; */
    /* visibility: hidden; */
    /* transition: opacity 0.3s, visibility 0.3s; */
    font-size: 0.9rem;
}

.album-card:hover .album-card-description-popup {
    display: block;
    /* opacity: 1;
    visibility: visible;
    */
}

/* --- Photo Card (Album Page) --- */
.photo-card-caption {
    display: flex;
    padding: 0.5rem 0.5rem;
    font-size: 0.9rem;
    color: var(--light-text);
}
.photo-card-id {
    font-family: var(--mono-font);
    font-size: 0.6rem;
    color: var(--light-text);
}
.photo-card-title {
    font-weight: normal;
}
/* --- Modal Styles --- */

.modal {
    position: fixed;
    z-index: 1000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: var(--modal-bg-color);
    display: flex;
    overflow: auto;
    justify-content: center;
    align-items: flex-start; /* center; */
}

#modal-backdrop {
    position: fixed;
    top: 0%;
    left: 0%;
    padding-top: 50px;
    width: 90%;
    /* height: 80%; */
    z-index: 3900;
    background: var(--modal-bg-color);
    display: flex;
    justify-content: center;
    /* align-items: center; */
}

#canvas-viewer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    /* end of what was commented out */
    background: var(--canvas-viewer-bg-color);
    display: flex;
    justify-content: center;
    /* align-items: center; */
}

#modal-content {
    background: var(--main-bg-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3); 
}
#modal-body h2 { margin-top: 0; }
#modal-body ul { padding-left: 20px; }
#modal-body a { color: var(--accent-color); }

#modal-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-button-text-color);
}

/* Feedback Form in Modal */
.feedback-form textarea {
    width: 95%;
    height: 100px;
    margin-top: 10px;
    padding: 5px;
}
.feedback-form .form-header {
    background: var(--light-color);
    padding: 10px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}
.feedback-form .button-group {
    margin-top: 1rem;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* --- Canvas Viewer --- */
#canvas-viewer-modal {
    background: var(--canvas-viewer-bg-color);
}
#photo-canvas {
    max-width: 95vw;
    max-height: 100vh;
}
#canvas-close-btn, #canvas-prev-btn, #canvas-next-btn, #canvas-menu-btn, .photo-menu-btn {
    position: absolute;
    background: var(--dark-button-color);
    color: var(--dark-button-text-color);
    border: none;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}


.photo-menu-btn, #canvas-menu-btn {
    position: relative;
    padding-bottom: 0.5em;
    margin-right: 0.1em;
    z-index: 1000;
}


#canvas-close-btn:hover, #canvas-prev-btn:hover, #canvas-next-btn:hover, #canvas-menu-btn:hover, .photo-menu-btn:hover {
    background: var(--dark-accent-color);
}
#canvas-close-btn { top: 15px; right: 15px; }
#canvas-prev-btn { top: 50%; left: 15px; transform: translateY(-50%); }
#canvas-next-btn { top: 50%; right: 15px; transform: translateY(-50%); }
#canvas-menu-btn { top: 15px; left: 15px; font-size: 1.5rem; }

#canvas-menu-popup, .photo-menu-popup {
    position: absolute;
    display: grid;
    grid-template-columns: 1fr;
    top: 70px;
    left: 15px;
    background: transparent;
    color: var(--text-color);
    border-radius: var(--border-radius);
    z-index: 1002;
}

.photo-menu-popup {
    background: var(--secondary-color); /* var(--dark-accent-color); */
    top: 230px;
}


/* --- Responsive Design --- */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 10px;
    }
    #slideshow-container {
        height: 65vh; /* auto - Let it be natural height */
        /* aspect-ratio: 4 / 3; More phone-friendly aspect ratio */
        max-height: 80vh;
    }
    #album-grid, #photo-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    #modal-backdrop {
        position: fixed;
        top: 10%;
        left: 5%;
    }
}

@media (max-width: 480px) {
    header nav a {
        margin-left: 15px;
        font-size: 1em;
    }
    #album-grid, #photo-grid {
        grid-template-columns: 1fr; /* repeat(2, 1fr); */
    }
    /* .photo-card img {
        height: 280px;
    }
    */
}