/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Lora:wght@400;700&family=Source+Sans+Pro:wght@400;600&display=swap');

/* --- Modern Book Theme Variables --- */
:root {
    --primary-color: #4a6d7c; /* Muted teal/blue */
    --primary-hover: #3a5663;
    --danger-color: #c94c4c;
    --background-color: #f4f4f2; /* Light, warm gray background */
    --page-color: #ffffff;      /* Clean white for the "page" */
    --text-color: #333333;
    --heading-color: #2c3e50;
    --border-color: #e0e0e0;
    --box-shadow: 0 4px 12px rgba(0,0,0,0.08);

    /* Typography */
    --font-body: 'Source Sans Pro', sans-serif;
    --font-headings: 'Lora', serif;
}

/* --- General Body & Layout --- */
body {
    font-family: var(--font-body);
    line-height: 1.7;
    background-color: var(--background-color);
    color: var(--text-color);
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}
h1, h2, h3 {
    font-family: var(--font-headings);
    color: var(--heading-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 1.5em;
}
a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}
a:hover { color: var(--primary-hover); }
hr { border: none; border-top: 1px solid var(--border-color); margin: 30px 0; }

/* --- Navigation Bar --- */
nav {
    background-color: transparent; /* Makes it blend with the background */
    border: none;
    box-shadow: none;
    padding: 10px 0;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav a {
    border-radius: 5px;
    transition: background-color 0.2s ease-in-out;
}
nav a:hover { background-color: #e9ecef; }

/* --- Main Content Area (The "Page") --- */
.content {
    background-color: var(--page-color);
    padding: 30px 40px;
    border-radius: 5px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

/* --- Flashed Messages --- */
.flash {
    padding: 15px; margin-bottom: 20px; border: 1px solid transparent;
    border-radius: 5px; background-color: #e3f2fd;
    color: #0d47a1; border-color: #bbdefb;
}

/* --- Photo Grid & Cards --- */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 25px; margin-top: 25px; }
.photo-card {
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--page-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.photo-card:hover { transform: translateY(-5px); box-shadow: 0 6px 12px rgba(0,0,0,0.1); }
.photo-card img { width: 100%; height: 200px; object-fit: cover; display: block; }
.photo-card .details { padding: 15px; font-size: 0.9em; }
.photo-card .details p { margin: 0 0 8px 0; }
.photo-card .actions { font-size: 0.9em; display:flex; gap: 15px; }

/* --- Member List --- */
ul.member-list { list-style: none; padding: 0; }
ul.member-list li {
    margin-bottom: 10px; display: flex; justify-content: space-between;
    align-items: center; padding: 12px; border-radius: 5px;
    border: 1px solid transparent;
    transition: background-color 0.2s, border-color 0.2s;
}
ul.member-list li:hover { background-color: #f8f9fa; border-color: var(--border-color); }
.member-actions a, .member-actions button { margin-left: 15px; }

/* --- Forms & Buttons --- */
form input[type="text"], form input[type="password"], form input[type="email"], form textarea, form select {
    width: 100%; padding: 12px; margin-top: 5px; border: 1px solid #ccc;
    border-radius: 5px; box-sizing: border-box; font-size: 1em;
    font-family: inherit; transition: border-color 0.2s, box-shadow 0.2s;
}
form input:focus, form textarea:focus, form select:focus {
    outline: none; border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(74, 109, 124, 0.4);
}
form label { font-weight: 600; font-family: var(--font-body); }
form button[type="submit"], .button {
    padding: 12px 20px; font-size: 1em; color: #fff; border: none;
    border-radius: 5px; cursor: pointer; transition: background-color 0.2s;
    background-color: var(--primary-color); text-decoration: none; display: inline-block;
    font-weight: 600;
}
form button[type="submit"]:hover, .button:hover { background-color: var(--primary-hover); }
.link-button {
    background:none; border:none; color:var(--danger-color); cursor:pointer;
    text-decoration:underline; padding:0; font-family:inherit; font-size:1em; font-weight:600;
}

/* --- Drag and Drop Zone --- */
#drop-zone {
    border: 2px dashed #ccc; border-radius: 10px; padding: 30px;
    text-align: center; font-size: 1.2em; color: #aaa; cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
}
#drop-zone.dragover { background-color: #f0f5f8; border-color: var(--primary-color); }
#drop-zone input[type="file"] { display: none; }

.tag-container {
    position: relative;
}

.tag-results {
    position: absolute;
    background-color: white;
    border: 1px solid #dee2e6;
    border-top: none;
    width: 100%;
    z-index: 1000;
    max-height: 150px;
    overflow-y: auto;
    border-radius: 0 0 .25rem .25rem;
}

.tag-result-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
}

.tag-result-item:hover {
    background-color: #f8f9fa;
}

.selected-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tag {
    background-color: #e9ecef;
    border-radius: .25rem;
    padding: 0.25rem 0.75rem;
    display: flex;
    align-items: center;
    font-size: 0.9em;
}

.tag-remove {
    margin-left: 0.5rem;
    cursor: pointer;
    font-weight: bold;
    color: #6c757d;
}