:root {
  --bg-color-banner: #333333;
  --bg-color-content: #111111;
  --bg-color-flash: #dd6d00;
  --bg-color-page: #1d1d1d;
  --border-color: #444444;
  --border-color-outer: #444444;
  --inner-margin: 1.5rem;
  --link-color: #dd6d00;
  --page-max-width: 760px;
  --text-color: #f4f4f4;
  --text-color-dim: #aaaaaa;
}

html {
  box-sizing: border-box;
}

*,
*::after,
*::before {
  box-sizing: inherit;
}

body {
  background-color: var(--bg-color-page);
  color: var(--text-color);
  font-family: Verdana, Arial, sans-serif;
  font-size: 16px;
  margin: 0;
}

a {
  color: var(--link-color);
  cursor: pointer;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  margin: 0 auto;
  max-width: var(--page-max-width);
}

.current-user,
.logo,
.page {
  background-color: var(--bg-color-content);
  border-color: var(--border-color-outer);
  border-style: solid;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.4);
}

.current-user {
  border-radius: 0 0 15px 15px;
  border-width: 0 1px 1px 1px;
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.5rem var(--inner-margin);
}

.current-user .login-form input {
  width: 8rem;
}

.logo {
  background: url(header_among-us.png) center/cover no-repeat;
  border-radius: 15px;
  border-width: 1px;
  display: block;
  height: 6rem;
  margin: var(--inner-margin) 0;
}

@media (min-width: 320px) {
  .logo {
    height: 10rem;
  }
}

@media (min-width: 560px) {
  .logo {
    height: 16rem;
  }
}

.page {
  border-radius: 15px;
  border-width: 1px;
  font-size: 0.875rem;
  padding: var(--inner-margin);
}

.main-nav {
  border-bottom: var(--border-color) solid 1px;
  display: flex;
  margin-bottom: var(--inner-margin);
  padding: 0 calc(var(--inner-margin) / 2);
  max-width: 600px;
}

.main-nav-item {
  background-color: var(--bg-color-banner);
  border-color: var(--border-color);
  border-bottom-color: transparent;
  border-radius: 7px 7px 0 0;
  border-style: solid;
  border-width: 1px;
  color: var(--text-color);
  display: inline-block;
  font-size: 0.75rem;
  font-weight: bold;
  margin: 0 0.5em -1px 0;
  padding: 0.3rem 0.5rem;
}

.main-nav-item:hover,
.main-nav-item.current {
  background-color: var(--bg-color-content);
  text-decoration: none;
}

.flashmessages {
  border-top: var(--border-color) solid 1px;
  margin: var(--inner-margin) calc(-1 * var(--inner-margin));
}

.flashmessages li {
  background-color: var(--bg-color-flash);
  border-bottom: var(--border-color) solid 1px;
  display: block;
  font-size: 0.75rem;
  padding: 0.75rem var(--inner-margin);
}

.page-footer {
  color: var(--text-color-dim);
  font-size: 0.6875rem;
  margin: var(--inner-margin) 0;
  padding: 0 var(--inner-margin);
  text-align: center;
}

h1 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.1rem;
}

.pagination {
  background-color: var(--bg-color-banner);
  border-color: var(--border-color);
  border-style: solid;
  border-width: 1px 0;
  display: block;
  font-size: 0.75rem;
  margin: var(--inner-margin) calc(-1 * var(--inner-margin)) 0 calc(-1 * var(--inner-margin));
  padding: 0.75em var(--inner-margin);
  text-align: center;
}


/* tags */

.tag {
  background-color: orange;
  border-radius: 3px;
  box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
  color: #ffffff;
  display: inline-block;
  font-size: 0.625rem; /* 10px / 16px */
  font-weight: bold;
  line-height: 1.3;
  margin-top: -0.1rem;
  padding: 0.1rem 0.3rem;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.15);
  vertical-align: middle;
}

.tag.cancelled {
  background-color: #ee3333;
}

.tag.over {
  background-color: #999999;
}

.tag.today {
  background-color: #00a222;
}


/* tables */

table {
  border-collapse: collapse;
  border-spacing: 0;
}

tr.hoverable:hover td {
  background-color: #e4e4e4;
}

th,
td {
  padding-bottom: 0.25rem;
  padding-right: 0.75rem;
  padding-top: 0.25rem;
  text-align: left;
}

th.number,
td.number {
  text-align: right;
}


/* forms */

form {
  margin: 0;
  padding: 0;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

fieldset.submit {
  padding-left: 140px;
}

fieldset li {
  margin: 0 0 0.3em 0;
  padding: 0;
}

main fieldset label {
  display: inline-block;
  vertical-align: top;
  width: 140px;
}

fieldset li ol.errors {
  padding-left: 140px;
}

fieldset li ol.errors li {
  color: #cc0000;
  font-size: 0.875rem;
  margin: 0.3em 0;
}

main textarea {
  height: 6rem;
  width: 564px;
}


/* events */

.event {
  clear: both;
  margin-bottom: 2rem;
  position: relative;
}

.event-head {
  background-color: var(--bg-color-banner);
  border-color: var(--border-color);
  border-style: solid;
  border-width: 1px 0;
  display: flex;
  justify-content: space-between;
  margin: 0 calc(-1 * var(--inner-margin));
  padding: 0.5em var(--inner-margin);
}

.event h1 {
  font-size: 1rem;
  font-weight: normal;
  margin: 0;
}

.event h1 a,
.event h1 a:hover {
  color: var(--text-color);
}

.event-summary li {
  display: inline-block;
  font-size: 0.875rem;
  margin-left: 0.5rem;
}

.event h2 {
  border-top: var(--border-color) solid 1px;
  font-size: 0.75rem;
  margin: 1.75rem 0 0.75rem 0;
}

.event h2 > span {
  display: block;
  margin-top: -0.57rem;
}

.event h2 span span {
  background-color: var(--bg-color-content);
  margin-left: 16px;
  padding: 0 4px;
}

.event .meta {
  color: var(--text-color-dim);
  font-size: 0.6875rem;
}

.attendance {
  margin: 0.5em 0;
  margin-left: var(--inner-margin);
  position: relative;
}

.attendance .icon {
  left: calc(-1 * var(--inner-margin));
  position: absolute;
  top: 1px;
}

.attendance form {
  display: inline;
  position: relative;
}

.attendances fieldset {
  left: 0.5rem;
  position: absolute;
  top: -4px;
}

.attendance .current {
  cursor: pointer;
  text-decoration: underline;
}

.attendance form.attendance-set {
  margin-left: var(--inner-margin);
}


/* comments */

.comment {
  margin: 1em 0;
  margin-left: var(--inner-margin);
  position: relative;
}

.comment .icon {
  left: calc(-1 * var(--inner-margin));
  position: absolute;
  top: 1px;
}

.comment .meta {
  color: var(--text-color-dim);
  margin: 0.5em 0 0 0;
  padding: 0;
}

.comment p {
  font-size: 0.875rem;
  margin-left: var(--inner-margin);
}


/* events */

ol.events {
  list-style: disc;
  margin-left: 1rem;
}


/* attendance matrix */

.matrix-wrapper {
  overflow-x: scroll;
}

table.matrix {
  margin-bottom: 1rem;
}

table.matrix th,
table.matrix td {
  border-color: var(--border-color);
  border-style: solid;
  border-width: 0;
  font-size: 0.75rem;
  font-weight: normal;
  margin: 0;
  padding: 0.25rem;
}

table.matrix th.datetime {
  border-left-width: 1px;
  text-align: center;
  vertical-align: middle;
}

table.matrix th.datetime span {
  display: inline-block;
  transform: rotate(180deg);
  white-space: nowrap;
  writing-mode: vertical-lr;
}

table.matrix th.attendee {
  border-top-width: 1px;
  text-align: left;
  white-space: nowrap;
}

table.matrix td {
  border-width: 1px 0 0 1px;
  min-width: 36px;
  padding: 0.25rem;
  text-align: center;
}

.dimmed {
  color: var(--text-color-dim);
}

.event-cancelled {
  color: var(--text-color-dim);
  text-decoration: line-through;
}

.event-over {
  color: var(--text-color-dim);
}

.status-1 {
  font-weight: bold;
}

.status-3 {
  color: var(--text-color-dim);
}


/* icons */

.icon {
  display: inline-block;
  height: 16px;
  vertical-align: -15%;
  width: 16px;
}

.icon[title] {
  cursor: help;
}

.icon-comment {
  background-image: url(icons/comment.png);
}

.icon-status-1 {
  background-image: url(icons/flag-green.png);
}

.icon-status-2 {
  background-image: url(icons/flag-yellow.png);
}

.icon-status-3 {
  background-image: url(icons/flag-red.png);
}