:root {
    --primary-color: #5e22f7;
    --secondary-color: #cfcece;
    --red-color: #a94442;
    --text-color: #1d1d1f;
    --bg-color: #f9f9f9;
    --header-bg-color: #555;
    --header-text-color: #fff;
    --transition-duration: 0.2s;
    --border-radius: 8px;
    --font: 'Avenir', sans-serif;
}

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

html, body {
    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: padding-top 0.3s ease-in-out;
    -webkit-animation: 0.3s ease-in-out;
}

.svgs, .arrow-icon {
    width: 16px;
    height: 16px;
    margin-left: 8px; 
    vertical-align: middle;
    transition: transform var(--transition-duration) ease;
}

.generic-icon {
    width: 20px;
    height: 20px;
    margin-right: 8px; 
    vertical-align: middle;
    transition: transform var(--transition-duration) ease;
    fill: black;
    opacity: 1;
    padding-bottom: 3px;
}

.rotated {
    transform: rotate(180deg);
}

a {
    color: inherit;
    text-decoration: underline;
    transition: color var(--transition-duration);
}

a:hover {
    color: var(--primary-color);
}

.notice-bar {
    background-color: #f3f3f3;
    color: #000;
    padding: 13px 20px;
    text-align: left;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1001;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
}

.notice-bar .container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
}

.notice-bar .toggle-button {
    background-color: transparent;
    border: none;
    color: var(--primary-color); 
    cursor: pointer;
    font-size: inherit;
    text-decoration: underline;
    padding: 0; 
    font-family: var(--font);
}

.notice-details {
    opacity: 0;
    padding: 0 30px;
    border-radius: 5px;
    transition: max-height var(--transition-duration) ease-in-out;
}

.notice-details ul {
    display: flex;
    width: 100%;
    padding: 0;
    margin: 0;
    list-style: none;
    gap: 10px;
    align-items: center;
}

.notice-details ul li {
    flex: 1 1 0;
    text-align: center; 
}

header {
    background: var(--header-bg-color, #3e3e3e);
    color: var(--header-text-color, white);
    padding: 10px 20px;
    text-align: left;
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: top var(--transition-duration) ease-in-out;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

.container {
    display: flex;
    justify-content: space-between;
    padding: 0 5px;
    max-width: 1200px;
    margin: 0 auto;
    align-content: center;
    align-items: center;
}

.container button {
    margin: 0;
    background-color: var(--header-bg-color);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.header-logo {
    align-content: center;
}

.header-logo img {
    width: 100px;
}

.header-text {
    flex-grow: 1;
    margin-left: 20px;
}

.header-text span {
    font-size: 1.5em;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul li {
    margin: 5px 15px;
}

nav ul li a {
    color: var(--header-text-color);
    text-decoration: none;
    font-size: 1.1em;
    cursor: pointer;
    transition: color var(--transition-duration), box-shadow var(--transition-duration);
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--secondary-color);
    box-shadow: 0 4px 0 0 var(--secondary-color);
}

main {
    padding: 20px;
    max-width: 1200px;
    margin: 100px auto 0;
    background: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    flex: 1;
}

.form-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 10px;
}

.form-group label {
    flex: 0 0 150px; 
    margin-right: 10px;
}

.form-group input, .form-group select {
    flex: 1; 
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-family: 'Avenir', sans-serif;
}

.log-manager-form img {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: auto;
    object-fit: contain;
}

#logResults, #itemResults {
    background-color: var(--secondary-color);
    padding: 5px;
    border-radius: 5px;
}

section {
    margin-bottom: 40px;
    transition: background-color var(--transition-duration), transform var(--transition-duration);
}

section h2 {
    font-size: 2em;
    color: var(--text-color);
    border-bottom: 2px solid var(--header-bg-color);
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.button {
    font: var(--font);
    display: inline-block;
    padding: 10px 20px;
    color: #fff;
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background-color var(--transition-duration), transform var(--transition-duration);
}

.button-logout {
    padding: 7px 14px;
    font: var(--font);
    display: inline-block;
    color: #fff;
    background-color: var(--red-color);
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background-color var(--transition-duration), transform var(--transition-duration);
}

.button:hover, .button-logout:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

.table-container {
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius);
    background-color: var(--bg-color);
    font-family: var(--font);
    overflow-x: auto;
    position: relative;
    transition: opacity var(--transition-duration) ease-in-out;
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.table-container th {
    background-color: #777;
    color: var(--header-text-color);
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid var(--secondary-color);
}

.table-container tr:nth-child(even) {
    background-color: var(--secondary-color);
}

.table-container td {
    padding: 12px;
    border-bottom: 1px solid var(--secondary-color);
    color: var(--text-color);
}

.table-container input[type="checkbox"] {
    cursor: pointer;
}

.table-container input[type="number"] {
    width: 100%;
    padding: 8px;
    border-radius: var(--border-radius);
    border: 1px solid var(--secondary-color);
    box-sizing: border-box;
    color: var(--text-color);
    font-family: var(--font);
}

.table-container tr {
    transition: background-color var(--transition-duration), transform var(--transition-duration);
}

.table-container tr:hover {
    background-color: #999;
    color: #fff;
}

.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    z-index: 1000;
    display: none;
    word-wrap: break-word;
    max-width: 400px;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

.popup-content {
    position: relative;
}

.popup-content .close {
    position: absolute;
    top: -10px;
    right: -10px;
    cursor: pointer;
    background-color: #f2f2f2;
    border-radius: 50%;
    padding: 5px 10px;
    font-size: 16px;
    line-height: 20px;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.popup.show {
    display: block; 
    animation: fadeIn 0.3s ease-out forwards;
}

.hidden {
    display: none;
    animation: fadeIn 0.3s ease-out forwards;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    border: 1px solid black;
    border-radius: var(--border-radius);
    padding: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.dropdown-content a {
    padding: 12px 16px;
    color: black;
    display: block;
    transition: background-color var(--transition-duration), transform var(--transition-duration);
}

.dropdown-content a:hover {
    background-color: var(--secondary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.clickable {
    cursor: pointer;
}

.error {
    display: none;
    background-color: #ffdddd;
    color: #a94442;
    border: 1px solid #a94442;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
}

.user-box {
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f4f4f4;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    width: 100%;
    box-sizing: border-box;
}

.user-box img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid #ddd;
}

.user-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.username {
    font-weight: 700;
    font-size: inherit;
    color: #1f2937;
    overflow: hidden;
    white-space: wrap;
}

.user-sub {
    font-size: inherit;
    color: #6b7280;
    margin-top: 4px;
}

/* Footer */
footer {
    background: var(--header-bg-color);
    color: var(--header-text-color);
    padding: 20px 20px;
    text-align: left;
    width: 100%;
    transition: top var(--transition-duration) ease-in-out;
}

footer div {
    padding: 0 5px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 419px) {
    header {
        top: 50px;
    }
    header.expanded {
        top: 170px; 
    }
    .notice-bar {
        z-index: 1000;
        max-height: 145px;
    }
    .notice-bar.expanded .notice-details {
        max-height: 100px;
        margin-top: 20px;
        opacity: 1;
        transition: max-height 0.4s ease-in-out, opacity 0.4s ease-in-out;
    }
    .notice-details ul {
        display: block; 
        padding-left: 1.25rem;
        gap: 10px;
    }
    .notice-details ul li {
        flex: none;
    }
    body.expanded {
        padding-top: 120px; 
    }
    nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        overflow-x: scroll;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }
    main {
        display: none;
    }
    .user-box {
        gap: 10px;
        padding: 10px;
    }
    .user-box {
        flex-wrap: wrap;
    }
    .button-logout {
        margin-left: 0;
        margin-top: 8px;
    }
    .user-avatar {
        width: 48px;
        height: 48px;
        flex: 0 0 48px;
    }
}

@media (min-width: 420px) {
    header {
        top: 43px;
    }
    header.expanded {
        top: 110px; 
    }
    .notice-bar.expanded .notice-details {
        max-height: 100px;
        margin-top: 20px;
        opacity: 1;
        transition: max-height 0.4s ease-in-out, opacity 0.4s ease-in-out;
    }
    body.expanded {
        padding-top: 120px; 
    }
    .notice-bar {
        z-index: 1000;
    }
    .button, .button-logout {
        padding: 5px 10px;
        font-size: 0.9em;
    }
    .popup {
        max-width: 100%;
        max-height: 100%;
    }
}

@media (min-width: 720px) {
    header {
        top: 43px;
    }
    header.expanded {
        top: 114px; 
    }
    .notice-bar.expanded .notice-details {
        max-height: 100px;
        margin-top: 20px;
        opacity: 1;
        transition: max-height 0.4s ease-in-out, opacity 0.4s ease-in-out;
    }
    body.expanded {
        padding-top: 100px; 
    }
    .online-text {
        margin: 20px;
    }

    .button, .button-logout {
        padding: 12px 24px;
        font-size: 1em;
    }

    .button-row {
        display: block;
        flex-direction: column;
    }

    .b2, .b3, .button-row .button, .form-container {
        width: calc(100% - 40px);
    }

    .overlay {
        height: 100%;
        width: 100%;
    }
}

@media (min-width: 900px) {
    header.expanded {
        top: 90px; 
    }
}

#popupMenu {
    display: none;
    position: absolute;
    background-color: white;
    border: 1px solid black;
    border-radius: 5px;
    padding: 10px;
    z-index: 1000;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
#popupMenu ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}
#popupMenu li {
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
#popupMenu li:hover {
    background-color: #cfcece;
    transform: scale(1.05);
}

/* Utility classes */
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.text-center { text-align: center; }