/*
 * Banner Tools — UNC Asheville
 * Carnegie theme styles, following STYLE_GUIDE.md.
 * Base shell/typography/token layers copied from alumni-email reference.
 */

/* ─── Fonts ──────────────────────────────────────────────────────────────── */

@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&display=swap");

@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap");

/* ─── Design tokens ──────────────────────────────────────────────────────── */

:root {
  --black:            #000;
  --white:            #fff;
  --blue:             #003DA5;
  --navy-blue:        #002855;
  --evening-blue:     #0076A5;
  --evening-blue-lt:  #71B2C9;
  --morning-blue:     #AFCDD7;
  --morning-blue-lt:  #D1DDE6;
  --daybreak-blue:    #C6D6E3;
  --stone:            #888B8D;
  --stone-lt:         #C8C9C7;
  --sand:             #BEB8A8;
  --sand-lt:          #D9D9D6;
  --rust:             #914E43;
  --gold:             #BD9B60;
  --gold-lt:          #EBBC4E;
  --evergreen:        #2F594C;
  --evergreen-lt:     #7F9C90;

  --denton:     "Playfair Display", serif;
  --montserrat: "Montserrat", sans-serif;

  --shadow:     -2px 3px 15px 0px rgba(0, 0, 0, 0.18);
  --transition: 400ms ease;

  --gutter:       1.5rem;
  --space:        6rem;
  --space-sm:     3rem;
  --container:    max(1.5rem, (100% - 80rem) / 2);
  --container-md: max(1.5rem, (100% - 60rem) / 2);
  --container-sm: max(1.5rem, (100% - 48rem) / 2);

  --heading: var(--blue);
  --link:    var(--blue);
  --text:    var(--navy-blue);
}

/* ─── Reset / base ───────────────────────────────────────────────────────── */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font: 500 1rem / 1.5 var(--montserrat);
  color: var(--text);
  background: var(--morning-blue-lt);
  -webkit-font-smoothing: antialiased;
  max-width: 1920px;
  margin-inline: auto;
}

*:focus-visible {
  outline: var(--navy-blue) dashed 0.25rem;
  outline-offset: 0.25rem;
}

img, svg, video { display: block; max-width: 100%; height: auto; }

hr {
  display: block;
  margin: 1.5rem 0;
  border: 0;
  border-top: 4px solid var(--blue);
}

/* ─── Typography ─────────────────────────────────────────────────────────── */

h1, h2, h3, h4, h5, h6 {
  margin-block: 2rem 0.5rem;
  color: var(--heading);
}
h1 + p, h2 + p, h3 + p, h4 + p, h5 + p, h6 + p { margin-top: 0; }

h1 {
  font: 400 clamp(2rem, 3.4vw + 1.3rem, 4.0625rem) / 0.923 var(--denton);
  letter-spacing: 3.51px;
}
h2 {
  font: 400 clamp(1.75rem, 1.5vw + 1.5rem, 2.625rem) var(--denton);
  letter-spacing: 3.51px;
}
h3 { font: 400 1.5rem / 1.5 var(--denton); letter-spacing: 2px; }
h4 { font: 600 1.25rem / 1.4 var(--montserrat); }
h5 { font: 600 1rem / 1.5 var(--montserrat); }
h6 { font: 600 0.75rem / 1.6 var(--denton); }

a {
  color: var(--link);
  text-decoration-thickness: 0.0625rem;
  text-underline-offset: 0.25em;
}
a:hover { text-decoration: none; }

/* ─── Layout helpers ─────────────────────────────────────────────────────── */

.flush > :first-child { margin-top: 0; }
.flush > :last-child  { margin-bottom: 0; }

.screen-reader-text:not(:active, :focus, :focus-within) {
  position: absolute;
  width: 1px; height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

/* ─── Page shell ─────────────────────────────────────────────────────────── */

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-shell__header {
  background: var(--navy-blue);
  padding: 1rem var(--container);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-shell__wordmark {
  color: var(--white);
  font: 400 1.5rem / 1 var(--denton);
  letter-spacing: 2px;
  text-decoration: none;
}

.page-shell__user {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--white);
  font: 500 0.875rem / 1.5 var(--montserrat);
}

/* ─── Nav bar ────────────────────────────────────────────────────────────── */

.page-shell__nav {
  background: var(--blue);
  padding: 0 var(--container);
  display: flex;
  align-items: center;
}

.page-shell__nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font: 600 0.75rem / 1 var(--montserrat);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  display: inline-block;
  transition: color var(--transition);
  border-bottom: 3px solid transparent;
}

.page-shell__nav a:hover {
  color: var(--white);
  text-decoration: none;
  border-bottom-color: var(--gold);
}

/* ─── Main content area ──────────────────────────────────────────────────── */

.page-shell__main {
  flex: 1;
  padding: var(--space-sm) var(--container);
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */

.page-shell__footer {
  background: var(--navy-blue);
  color: var(--white);
  font-size: 0.75rem;
  text-align: center;
  padding: 1rem var(--container);
  letter-spacing: 1px;
}
.page-shell__footer a { color: var(--white); }

/* ─── Flash alerts ───────────────────────────────────────────────────────── */

.Form__alert {
  padding: 0.65rem 0.875rem;
  background: #fff0f0;
  border: 1px solid #f5c6c6;
  border-left: 4px solid var(--rust);
  font-size: 0.875rem;
  color: var(--navy-blue);
  margin-bottom: 1.5rem;
}

.Form__alert--info {
  background: #eaf2ef;
  border-color: #b2d4c8;
  border-left-color: var(--evergreen);
}

.Form__alert ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }
.Form__alert p  { margin: 0.5rem 0 0; }
.Form__alert p:first-child { margin-top: 0; }

/* ─── Logout button ──────────────────────────────────────────────────────── */

.btn-logout {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--white);
  font: 600 0.7rem / 1 var(--montserrat);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.4rem 0.875rem;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
}
.btn-logout:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  text-decoration: none;
}

/* ─── Submit button (.form_button_submit) ────────────────────────────────── */

.form_button_submit,
button.form_button_submit,
input[type="submit"].form_button_submit {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  text-transform: uppercase;
  font: 600 0.75rem / 1 var(--montserrat);
  letter-spacing: 2px;
  background: transparent;
  border: 1px solid var(--blue);
  padding: 0.75rem 2.5rem;
  overflow: hidden;
  transition: var(--transition);
  color: var(--navy-blue);
  cursor: pointer;
  border-radius: 0;
  z-index: 1;
  margin-top: 0.5rem;
}

.form_button_submit::before,
button.form_button_submit::before,
input[type="submit"].form_button_submit::before {
  content: "";
  background: var(--blue);
  position: absolute;
  inset: 0;
  scale: 0 1;
  transform-origin: 100% 50%;
  transition: scale 0.2s ease-in-out;
  pointer-events: none;
  z-index: -1;
}

.form_button_submit:hover,
button.form_button_submit:hover,
input[type="submit"].form_button_submit:hover {
  color: var(--white);
  text-decoration: none;
}
.form_button_submit:hover::before,
button.form_button_submit:hover::before,
input[type="submit"].form_button_submit:hover::before {
  scale: 1 1;
  transform-origin: 0 50%;
}

/* ─── Login form card (.Form) ────────────────────────────────────────────── */

.Form {
  display: flex;
  flex-direction: column;
  gap: var(--gutter);
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 2rem;
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
}

@media (min-width: 48em) {
  .Form { padding: 3rem 4rem; }
}

.Form__title {
  margin: 0 0 0.25rem;
  font: 400 2rem / 1.1 var(--denton);
  letter-spacing: 2px;
  color: var(--blue);
}

.Form__subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--stone);
}

.Form label {
  display: block;
  margin-top: 0;
  font: 500 1rem / 1.5 var(--montserrat);
  color: var(--navy-blue);
}

.Form input[type="text"],
.Form input[type="password"],
.Form input[type="email"] {
  display: block;
  width: 100%;
  border: 1px solid var(--navy-blue);
  padding: 0.5rem 0.625rem;
  margin-top: 0.25rem;
  font: inherit;
  border-radius: 0;
  color: var(--navy-blue);
  background: var(--white);
  outline-offset: 1px;
}

.Form input[type="text"]:focus,
.Form input[type="password"]:focus,
.Form input[type="email"]:focus {
  outline: var(--navy-blue) dashed 0.25rem;
  outline-offset: 0.25rem;
}

.Form .field { display: flex; flex-direction: column; }

/* ─── Home: banner instance grid ────────────────────────────────────────── */

.instance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 700px) {
  .instance-grid { grid-template-columns: 1fr; }
}

.instance-group > h2 {
  font: 600 0.75rem / 1.6 var(--montserrat);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy-blue);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.instance-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.instance-btn {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  text-align: left;
  text-decoration: none;
  font: 600 0.875rem / 1.3 var(--montserrat);
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background var(--transition);
}

.instance-btn--online {
  background: var(--evergreen);
  color: var(--white);
}
.instance-btn--online:hover {
  background: #264a3e;
  color: var(--white);
  text-decoration: none;
}

.instance-btn--warning {
  background: var(--gold);
  color: var(--navy-blue);
}
.instance-btn--warning:hover {
  background: var(--gold-lt);
  color: var(--navy-blue);
  text-decoration: none;
}

.instance-btn--offline {
  background: var(--stone);
  color: var(--white);
  cursor: not-allowed;
  opacity: 0.75;
}

.instance-btn small {
  display: block;
  font-weight: 400;
  font-size: 0.78rem;
  opacity: 0.85;
  margin-top: 0.25rem;
}

/* ─── Home: info / links grid ────────────────────────────────────────────── */

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 0.5rem;
}

@media (max-width: 700px) {
  .info-grid { grid-template-columns: 1fr; }
}

.info-section h3 {
  margin-top: 0;
  font: 600 0.75rem / 1.6 var(--montserrat);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy-blue);
}

.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.link-list a { font-size: 0.875rem; }

/* ─── Recertify table ────────────────────────────────────────────────────── */

.recertify-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.recertify-table th {
  background: var(--navy-blue);
  color: var(--white);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font: 600 0.75rem / 1.5 var(--montserrat);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.recertify-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--daybreak-blue);
  vertical-align: middle;
}

.recertify-table tr:nth-child(even) td { background: var(--morning-blue-lt); }

.status-group {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.status-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--stone-lt);
  cursor: pointer;
  font: 600 0.75rem / 1 var(--montserrat);
  letter-spacing: 0.5px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.status-label input[type="radio"] { margin: 0; }

.status-label--confirm         { border-color: var(--evergreen-lt); color: var(--evergreen); }
.status-label--remove          { border-color: var(--rust); color: var(--rust); }
.status-label--exited          { border-color: var(--stone); color: var(--stone); }
.status-label--confirm.checked { background: var(--evergreen); border-color: var(--evergreen); color: var(--white); }
.status-label--remove.checked  { background: var(--rust); border-color: var(--rust); color: var(--white); }
.status-label--exited.checked  { background: var(--stone); border-color: var(--stone); color: var(--white); }

/* ─── Maintenance form ───────────────────────────────────────────────────── */

.maintenance-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.maintenance-table th {
  background: var(--navy-blue);
  color: var(--white);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font: 600 0.75rem / 1.5 var(--montserrat);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.maintenance-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--daybreak-blue);
  vertical-align: middle;
}

.maintenance-table input[type="datetime-local"] {
  border: 1px solid var(--navy-blue);
  padding: 0.35rem 0.5rem;
  font: inherit;
  font-size: 0.875rem;
  border-radius: 0;
  width: 100%;
  color: var(--navy-blue);
  background: var(--white);
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: 600 1rem / 1.5 var(--montserrat);
  color: var(--navy-blue);
  cursor: pointer;
}