@import url("https://fonts.googleapis.com/css2?family=Kanit:ital,wght@1,700;1,800;1,900&display=swap");

:root {
  --black: #050505;
  --panel: #101010;
  --panel-light: #151515;
  --border: #2b2b2b;
  --border-strong: #444444;
  --red: #df1421;
  --red-dark: #a70d16;
  --gold: #d3a81e;
  --green: #81c900;
  --white: #ffffff;
  --muted: #a9a9a9;
  --danger: #ff4953;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--white);
  background:
    linear-gradient(rgba(0, 0, 0, 0.94), rgba(0, 0, 0, 0.94)),
    repeating-linear-gradient(
      135deg,
      #050505 0,
      #050505 16px,
      #090909 16px,
      #090909 32px
    );
  font-family: Arial, Helvetica, sans-serif;
}

h1,
h2,
h3,
.sessions-eyebrow,
.driver-session-search label,
.summary-card span,
.summary-card strong,
.session-number,
.session-capacity strong,
.session-capacity span {
  font-family: "Kanit", Arial, Helvetica, sans-serif;
  font-style: italic;
  font-weight: 900;
}

.hidden { display: none !important; }

/* PAGE */
.sessions-page {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 26px;
}

/* HEADER */
.sessions-header {
  position: relative;
  overflow: hidden;
  padding: 34px 34px 30px;
  background:
    linear-gradient(115deg, rgba(223, 20, 33, 0.18), transparent 34%),
    #101010;
  border: 1px solid var(--border);
  border-top: 7px solid var(--red);
  border-radius: 0;
}

.sessions-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 5px;
  background: var(--gold);
}

.sessions-eyebrow {
  margin: 0 0 9px;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.sessions-header h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.sessions-intro {
  max-width: 650px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.back-to-booking-button {
  display: inline-block;
  margin-top: 18px;
  padding: 11px 16px;
  color: #fff;
  background: var(--red);
  border: 1px solid var(--red);
  border-radius: 0;
  font-family: "Kanit", Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-style: italic;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.15s ease, transform 0.15s ease;
}

.back-to-booking-button:hover {
  transform: translateY(-1px);
  background: #f0212e;
}

/* DRIVER SEARCH */
.driver-session-search {
  margin: 20px 0 18px;
  padding: 20px;
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-left: 5px solid var(--red);
  border-radius: 0;
}

.driver-session-search label {
  display: block;
  margin-bottom: 10px;
  color: var(--white);
  font-size: 0.9rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.driver-session-search input {
  width: 100%;
  padding: 14px 15px;
  color: var(--white);
  background: #070707;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  outline: none;
  font: inherit;
}

.driver-session-search input::placeholder { color: #777; }

.driver-session-search input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 2px rgba(223, 20, 33, 0.16);
}

.driver-search-results {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.driver-search-result {
  padding: 15px;
  background: #111;
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
}

.driver-search-result h3 {
  margin: 0 0 10px;
  color: var(--white);
  font-size: 1.15rem;
  text-transform: uppercase;
}

.driver-booked-sessions {
  display: grid;
  gap: 7px;
}

.driver-booked-session {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  background: #080808;
  border: 1px solid #242424;
}

.driver-booked-session strong { color: var(--white); }

.driver-booked-session span {
  color: var(--muted);
  font-size: 0.84rem;
  text-align: right;
}

.driver-search-empty {
  margin: 0;
  padding: 14px;
  color: var(--muted);
  background: #0b0b0b;
  border: 1px solid var(--border);
}

/* SUMMARY */
.sessions-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.summary-card {
  position: relative;
  padding: 19px 20px;
  overflow: hidden;
  background: #101010;
  border: 1px solid var(--border);
  border-radius: 0;
}

.summary-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--red);
}

.summary-card span {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-card strong {
  display: block;
  color: var(--white);
  font-size: 2rem;
  line-height: 1;
}

/* SESSION GRID */
.public-sessions-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.public-session-card {
  overflow: hidden;
  background: #101010;
  border: 1px solid var(--border);
  border-left: 5px solid var(--green);
  border-radius: 0;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.public-session-card:hover {
  transform: translateY(-1px);
  background: #141414;
  border-color: #414141;
  border-left-color: var(--red);
}

.public-session-card.disabled {
  border-left-color: #666;
  opacity: 0.68;
}

.public-session-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 18px 15px;
  border-bottom: 1px solid #2b2b2b;
}

.session-number {
  margin: 0 0 5px;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.public-session-header h2 {
  margin: 0;
  color: var(--white);
  font-size: 1.6rem;
  line-height: 1;
  text-transform: uppercase;
}

.session-direction {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.session-capacity {
  flex-shrink: 0;
  min-width: 82px;
  text-align: right;
}

.session-capacity strong {
  display: block;
  color: var(--white);
  font-size: 1.35rem;
  line-height: 1;
}

.session-capacity span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.session-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: #2b2b2b;
}

.session-meta > div {
  padding: 11px 12px;
  background: #090909;
}

.session-meta span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.61rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.session-meta strong {
  display: block;
  color: var(--white);
  font-size: 0.96rem;
}

.driver-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.driver-row {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  min-height: 43px;
  border-bottom: 1px solid #242424;
}

.driver-row:last-child { border-bottom: 0; }

.driver-position {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--muted);
  background: #080808;
  border-right: 1px solid #242424;
  font-size: 0.72rem;
  font-weight: 900;
}

.driver-name {
  padding: 10px 12px;
  color: var(--white);
  font-size: 0.89rem;
  font-weight: 800;
}

.empty-driver-row {
  padding: 18px;
  color: var(--muted);
  text-align: center;
  font-size: 0.82rem;
}

.loading-message,
.error-message {
  grid-column: 1 / -1;
  margin: 0;
  padding: 30px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  text-align: center;
  font-weight: 700;
}

.error-message { color: var(--danger); }

@media (max-width: 1100px) {
  .public-sessions-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 750px) {
  .sessions-page { padding: 12px; }

  .sessions-header { padding: 27px 20px 24px; }

  .sessions-summary { grid-template-columns: 1fr; }

  .public-sessions-container { grid-template-columns: 1fr; }

  .driver-booked-session {
    align-items: flex-start;
    flex-direction: column;
  }

  .driver-booked-session span { text-align: left; }
}

@media (max-width: 450px) {
  .sessions-header h1 { font-size: 2.3rem; }

  .public-session-header { gap: 12px; }

  .public-session-header h2 { font-size: 1.4rem; }

  .session-capacity { min-width: 72px; }

  .driver-name { font-size: 0.84rem; }
}