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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #8e8e8e 0%, #1f1f1f 100%);
    color: #333;
    min-height: 100vh;
    padding: 20px;
    font-size: 1.3rem;
    line-height: 1.5;
}

:root {
    --primary-color: #202a55;
    --secondary-color: #5439ac;
    --accent-color: #f093fb;
    --text-color: #333;
    --light-bg: #c4c4c4;
    --dark-bg: #343a40;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: bold;
}

a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.main-flex {
    display: flex;
    flex-direction: row;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    min-height: calc(100vh - 40px);
}

.navbar {
    flex: 0 0 250px;
    background: var(--dark-bg);
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.topbranding {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 20px;
    padding: 10px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    text-align: center;
}

.navbar-inner {
    flex: 1;
}

.navbar-inner a {
    color: white;
    display: block;
    padding: 10px 0;
    border-radius: var(--border-radius);
    margin-bottom: 5px;
}

.navbar-inner a:hover {
    background: var(--primary-color);
}

.navbar-inner ul {
    list-style: none;
    padding-left: 20px;
}

.navbar-inner li {
    margin-bottom: 5px;
}

.navbar-inner li a {
    padding: 5px 0;
}

.right-flex {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 9;
}

.topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.intro-text{
    margin-bottom: 20px;
}

.user {
    font-weight: bold;
}

.logout a {
    color: var(--primary-color);
    font-weight: bold;
}

.content {
    flex: 1;
    padding: 20px 0;
}

.rooms-table {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    overflow-x: auto;
}

table {
    width: 100%;
    background: white;
    border-collapse: collapse;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--primary-color);
    color: white;
    font-weight: bold;
}

tbody tr:hover {
    background: #f1f3f4;
}

table input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.searchbar {
    background: var(--light-bg) !important;
    border-bottom: none !important;
}

.searchbar td {
    padding: 10px 15px;
}

.data-missing {
    background: #6c757d;
    color: white;
}

.data-late {
    background: #ffc107;
    color: #212529;
}

.data-valid {
    background: #28a745;
    color: white;
}

.current-readings .data-valid,
.current-readings .data-late,
.current-readings .data-missing {
    padding: 10px 15px;
    border-radius: var(--border-radius);
    margin: 5px;
    display: inline-block;
}

.content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

form {
    max-width: 400px;
    margin: 0 auto;
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-color);
}

form input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    box-sizing: border-box;
}

form button,
table button {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

form button:hover,
table button:hover {
    background: var(--secondary-color);
}

.fake-button {
    width: 100%;
    background: gray;
    color: white;
    padding: 10px 15px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 1rem;
    font-weight: bold;
    max-width: 400px;
}

.flashes {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.flashes li {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: var(--border-radius);
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Room Page Styles */
.current-readings {
    margin-top: 20px;
}

.current-readings h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.current-readings > div > div {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    width: fit-content;
    text-align: center;
    margin-right: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    background: white;
    overflow: hidden;
}

.current-readings > div > div > div {
    padding: 10px 15px;
}

.current-readings > div > div > div:first-child {
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: bold;
}

.current-readings > div > div > div:nth-child(2) {
    font-weight: bolder;
    font-size: 2rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
}

.current-readings > div > div > div:last-child {
    font-size: 0.9rem;
}