:root {
    --bg: 255, 255, 255;
    --text: 0, 0, 0;
    --accent: 235, 199, 105;
    --card-bg: 0, 0, 0;
    --link: 0, 0, 238;
    --link-visited: 85, 26, 139;
    --warning: 200, 60, 60;
    --warning-text: 255, 255, 255;
}

@media (prefers-color-scheme: dark) { 
    :root {
        --bg: 14, 16, 27;
        --text: 255, 255, 255;
        --accent: 67, 35, 42;
        --card-bg: 255, 255, 255;
        --link: 173, 216, 230;
        --link-visited: 255, 105, 180;
    }
}

html, body {
    max-width: 100%;
    overscroll-behavior-y: none;
}

body {
    font-family: Helvetica;
    margin: 0;
    background-color: rgb(var(--bg));
    color: rgb(var(--text));
}

h1, h2, h3, p, ol, ul {
    margin: 0;
    width: 100%;
}

img {
    display: block;
}

hr {
    width: 100%;
}

a:has(h1, h2, h3) {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

a:link {
    color: rgb(var(--link));
    text-decoration-color: rgb(var(--link));
}

a:visited {
    color: rgb(var(--link-visited));
    text-decoration-color: rgb(var(--link-visited));
}

a:has(h1, h2, h3):visited {
    color: rgb(var(--link));    
    text-decoration-color: rgb(var(--link));
}

small {
    font-style: italic;
    align-self: flex-end;
}

textarea {
    overflow-y: hidden;
    resize: none;
    word-wrap: break-word;
}

button, input[type="submit"] {
    display: flex;
    align-items: center;
    gap: 3px;
    cursor: pointer;
    white-space: nowrap;
    font-weight: bold;

    padding: 4px 6px 4px 8px;
    border-radius: 12px;

    backdrop-filter: blur(12px) saturate(60%);
    border: 2px solid rgba(var(--card-bg), 0.18);
    background-color: rgba(var(--card-bg), 0);
    color: rgb(var(--text));
}

button:hover, input[type="submit"]:hover {
    background-color: rgba(var(--card-bg), 0.1);
    border-color: rgba(var(--card-bg), 0.32);
}

input[type="submit"] {
    font-family: inherit;
    padding: 4px 12px;
    border-radius: 100px;
}

.material-symbol {
    font-family: 'Material Symbols Outlined';
    font-style: normal;
    font-weight: normal;
    font-size: 20px;
    position: relative;

    user-select: none;
    cursor: default; 

    font-variation-settings:
        'FILL' 0,
        'wght' 400,
        'GRAD' 0,
        'opsz' 20
}

.material-symbol[data-action]:hover, button:hover .material-symbol {
    cursor: pointer;
    font-variation-settings:
        'FILL' 1,
        'wght' 400,
        'GRAD' 0,
        'opsz' 20
}

.material-symbol.spin {
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tooltip-layer, .warning-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.tooltip-layer .tooltip-text, .warning-layer .warning-text {
    display: inline-block;
    position: absolute;
    width: max-content;
    max-width: 250px;
    text-align: center;
    text-wrap: balance;
    font-style: italic;
    white-space: normal;
    overflow-wrap: break-word;
    font-size: 10pt;

    padding: 6px;
    border-radius: 6px;
    backdrop-filter: blur(12px) saturate(60%);

    transform: translate(-50%, calc(-100% - 4px));
}

.tooltip-layer .tooltip-text {
    background-color: rgb(var(--bg));
    border: 1px solid rgba(var(--card-bg), 0.2);
    visibility: hidden;
}

.warning-layer .warning-text {
    background-color: rgb(var(--warning));
    color: rgb(var(--warning-text));
    border: 1px solid rgba(var(--card-bg), 0.2);
}

#navbar {
    top: 0;
    z-index: 100;
    position: sticky;

    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;

    margin-bottom: 40px;
    padding: 0px 30px;
    gap: 20px;
    height: 50px;
    background-color: rgb(var(--accent));
    overflow: visible;
}

#navbar a {
    text-decoration: none;
    color: rgb(var(--text));
    font-weight: bold;
}

.nav-left, .nav-center, .nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-center {
    flex: 1 1 0;
    justify-content: center;
}

.nav-right {
    justify-content: flex-end;
}

#search-area {
    position: relative;
    width: 60%;
    max-width: 720px;
    min-width: 220px;
}

#search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 12px;
    border-radius: 14px;
    backdrop-filter: blur(12px) saturate(60%);
    border: 1px solid rgba(var(--card-bg), 0.2);
    background-color: rgba(var(--bg), 0.7);
}

#search-bar:focus-within {
    border-color: rgba(var(--card-bg), 0.35);
    background-color: rgba(var(--bg), 0.9);
}

#search-bar input {
    border: none;
    outline: none;
    background: transparent;
    color: rgb(var(--text));
    width: 100%;
    min-width: 0;
    font: inherit;
}

#search-bar input::placeholder {
    color: rgba(var(--text), 0.6);
}

#search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 110;

    max-height: 70vh;
    overflow-y: auto;
    border-radius: 20px;
    padding: 8px;
    backdrop-filter: blur(12px) saturate(60%);
    border: 1px solid rgba(var(--card-bg), 0.2);
    background-color: rgba(var(--card-bg), 0.05);
}

#search-results[hidden] {
    display: none;
}

.search-placeholder {
    padding: 12px 14px;
    font-style: italic;
    opacity: 0.85;
}

.search-loading {
    display: flex;
    justify-content: center;
    padding: 16px;
}

.search-result {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 12px;
}

.search-result + .search-result {
    border-top: 1px solid rgba(var(--card-bg), 0.15);
}

.search-result a {
    color: rgb(var(--text));
    text-decoration: none;
}

#search-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 90;
}

body.search-active #search-overlay {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 900px) {
    #navbar {
        height: auto;
        padding: 10px 20px;
    }

    .nav-center {
        order: 3;
        width: 100%;
    }

    #search-area {
        width: 100%;
        max-width: none;
    }

    .nav-right {
        width: 100%;
        justify-content: center;
    }
}

.flex-space {
    flex: 1 1 0;
}

#profile-picture {
    border-radius: 50%;
}

#clubs-list-container {
    display: grid;
    /** https://css-tricks.com/auto-sizing-columns-css-grid-auto-fill-vs-auto-fit/ **/
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    width: 85%;
    margin: 0 auto;
}

#clubs-list-title {
    text-align: center;
    grid-column: 1 / -1;
}

.clubs-list-header {
    grid-column: 1 / -1;
    margin-top: 20px;
}

.club-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;

    padding: 20px;
    border-radius: 20px;
    backdrop-filter: blur(12px) saturate(60%);
    border: 1px solid rgba(var(--card-bg), 0.2);
    background-color: rgba(var(--card-bg), 0.05);
}

#club-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.club-tag, .create-tag-control {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 4px;
    border-radius: 12px;
    border: 2px solid rgba(var(--card-bg), 0.2);
}

.create-tag-control input {
    border: none;
    outline: none;
    background: transparent;
    color: rgb(var(--text));
    width: 120px;
}

#club-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/** https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_grid_layout/Realizing_common_layouts_using_grids **/
#club-container {
    display: grid;
    align-items: start;
    gap: 30px;
    grid-template-areas:
        "header"
        "sidebar"
        "content";
    width: 85%;
    margin: 0 auto;
}

@media (min-width: 800px) {
  #club-container {
    grid-template-columns: 1fr 2fr;
    grid-template-areas:
      "header  header"
      "sidebar content";
  }
}

#club-header {
    grid-area: header;
}

#club-sidebar {
    grid-area: sidebar;
    
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;

    padding: 20px;
    border-radius: 20px;
    backdrop-filter: blur(12px) saturate(60%);
    border: 1px solid rgba(var(--card-bg), 0.2);
    background-color: rgba(var(--card-bg), 0.05);
}

#import-user-message {
    display: none;
}

#import-user-text {
    display: none;
    resize: none;
    min-height: 80px;
}

.club-user-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.club-user-list li {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 2px 4px;
    margin: -5px -5px;

    border: 1px solid transparent;
    border-radius: 8px;
}

.club-user-list li:hover {
    backdrop-filter: blur(12px) saturate(60%);
    border: 1px solid rgba(var(--card-bg), 0.2);
    background-color: rgba(var(--card-bg), 0.05);
}

.club-user-list li p {
    display: inline;
    position: relative;
}

.club-user-list li .membership-action {
    visibility: hidden;
}

.club-user-list li:hover .membership-action {
    visibility: visible;
}

.user-name {
    display: flex;
    align-items: center;
    gap: 7px;
}

#club-meetings-list {
    grid-area: content;

    display: flex;
    flex-direction: column;
    gap: 20px;
}

.meeting-card {
    display: flex;
    flex-direction: column;
    gap: 10px;

    padding: 20px;
    border-radius: 20px;
    backdrop-filter: blur(12px) saturate(60%);
    border: 1px solid rgba(var(--card-bg), 0.2);
    background-color: rgba(var(--card-bg), 0.05);  
}

.meeting-card img {
    max-width: 100%;
    width: auto;
    height: auto;
}

.tab-bar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-button {
    border-radius: 100px;
    padding: 4px 12px;
    font-weight: bold;
}

.tab-button.is-active {
    background-color: rgba(var(--card-bg), 0.1);
    border-color: rgba(var(--card-bg), 0.32);
}

.tab-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tab-panel[hidden] {
    display: none;
}

#new-meeting-location input {
    width: 5vw
}

#new-meeting-card textarea {
    width: 100%;
    min-height: 100px;
    resize: vertical;
    box-sizing: border-box;
}

.meeting-description {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-info {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 5px 20px;
    width: 100%;
}

.card-info div {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 3px;
}

.card-time {
    width: 100%;
}

@media (max-width: 1200px) {
    .card-info-hide {
        display: none;
    }
}

#meetings-list {
    margin: 0 auto;
    width: 85%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}