:root {
  --black: #000000;
  --black-soft: #060606;
  --green: #09ce7d;
  --purple: #8416f4;
  --white: #ffffff;
  --text-muted: #c7c7c7;
  --danger: #ff5f7a;
  --panel-border: rgba(132, 22, 244, 0.72);
  --field-border: rgba(132, 22, 244, 0.6);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-green: 0 0 28px rgba(9, 206, 125, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Rajdhani", Arial, sans-serif;
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  letter-spacing: 0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(132, 22, 244, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(132, 22, 244, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.45;
}

.bg-glow {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
}

.bg-glow-one {
  width: 380px;
  height: 380px;
  top: -90px;
  left: -70px;
  background: rgba(9, 206, 125, 0.52);
}

.bg-glow-two {
  width: 500px;
  height: 500px;
  right: -180px;
  top: 120px;
  background: rgba(132, 22, 244, 0.44);
}

.container {
  width: min(1300px, calc(100% - 2rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid rgba(132, 22, 244, 0.5);
  backdrop-filter: blur(8px);
}

.header-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: auto;
  height: 44px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--purple);
  overflow: hidden;
}

.lang-item {
  border: 0;
  min-height: unset;
  padding: 0.28rem 0.62rem;
  background: transparent;
  filter: none;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--purple);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lang-item:hover {
  background: rgba(132, 22, 244, 0.12);
  border: 0;
  color: var(--purple);
  filter: none;
}

.lang-item.active {
  background: var(--purple);
  color: #000;
}

.hero {
  padding: 2.4rem 0 1.1rem;
}

.hero-inner {
  border: 2px solid rgba(132, 22, 244, 0.7);
  background: linear-gradient(145deg, rgba(8, 8, 8, 0.96), rgba(10, 10, 10, 0.85));
  padding: 1.4rem 1.2rem 1.1rem;
  box-shadow: var(--shadow-soft);
}

.hero-kicker {
  margin: 0;
  color: var(--purple);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.88rem;
}

.hero h1 {
  margin: 0.45rem 0 0;
  color: var(--green);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.045em;
  font-size: clamp(1.55rem, 3.9vw, 2.8rem);
  line-height: 1.15;
}

.hero-subtitle {
  margin: 0.68rem 0 0;
  color: var(--text-muted);
  line-height: 1.38;
  max-width: 830px;
  font-size: 1.02rem;
}

.hero-tags {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-tag {
  border: 1px solid rgba(9, 206, 125, 0.65);
  color: var(--green);
  padding: 0.28rem 0.58rem;
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 0 2.2rem;
}

#authPanel {
  grid-column: span 4;
}

#boardPanel {
  grid-column: span 8;
}

#bookingPanel,
#adminPanel {
  grid-column: span 12;
}

.panel {
  border: 2px solid var(--panel-border);
  background: linear-gradient(155deg, rgba(7, 7, 7, 0.95), rgba(3, 3, 3, 0.85));
  padding: 1rem;
  box-shadow: var(--shadow-soft);
}

.section-title {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0.26rem 1rem 0.26rem 1.1rem;
  margin-bottom: 0.72rem;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 11px;
  border-left: 2px solid var(--purple);
  border-top: 2px solid var(--purple);
  border-bottom: 2px solid var(--purple);
}

.section-title::after {
  content: "";
  position: absolute;
  right: -15px;
  top: 50%;
  width: 13px;
  height: 13px;
  border-top: 2px solid var(--purple);
  border-right: 2px solid var(--purple);
  transform: translateY(-50%) rotate(45deg);
}

.section-title span {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1rem;
  font-weight: 700;
}

.section-title-small span {
  font-size: 0.9rem;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.booking-head-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.26rem;
}

.minutes-counter {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(9, 206, 125, 0.62);
  background: rgba(9, 206, 125, 0.12);
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.22rem 0.48rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.77rem;
  color: #b6b6b6;
}

.date-control {
  min-width: 190px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid var(--field-border);
  background: rgba(8, 8, 8, 0.9);
  color: var(--white);
  padding: 0.48rem 0.55rem;
  outline: none;
  border-radius: 0;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

input:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(9, 206, 125, 0.22);
}

button {
  border: 2px solid var(--green);
  background: var(--green);
  color: #000;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.48rem 0.82rem;
  letter-spacing: 0.06em;
  min-height: 2.5rem;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, filter 0.2s ease;
}

button:hover {
  background: var(--purple);
  border-color: var(--purple);
  color: #000;
  filter: drop-shadow(0 0 14px rgba(9, 206, 125, 0.35));
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
}

.btn-primary {
  border-color: var(--green);
  background: var(--green);
  color: #000;
}

.btn-primary:hover {
  border-color: var(--purple);
  background: var(--purple);
}

.btn-secondary {
  border-color: var(--green);
  background: transparent;
  color: var(--green);
}

.btn-secondary:hover {
  background: var(--green);
  color: #000;
  border-color: var(--green);
}

.btn-danger {
  border-color: var(--danger);
  background: transparent;
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: #000;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.status-box {
  border: 1px solid rgba(132, 22, 244, 0.55);
  background: rgba(11, 11, 11, 0.85);
  padding: 0.62rem 0.7rem;
  margin-bottom: 0.75rem;
  color: #ddd;
  line-height: 1.3;
  font-size: 0.98rem;
}

.status-box strong {
  color: var(--green);
}

.muted {
  color: #b0b0b0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.76rem;
  margin-top: 0.38rem;
}

.room-list {
  display: grid;
  gap: 0.9rem;
}

.room-card {
  border: 1px solid rgba(132, 22, 244, 0.55);
  background: rgba(6, 6, 6, 0.88);
  padding: 0.8rem;
}

.room-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.68rem;
}

.room-head h3 {
  margin: 0;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
}

.room-meta {
  color: #b5a0ff;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.slot-grid {
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 0.78rem;
}

.slot {
  border: 1px solid transparent;
  min-height: 74px;
  padding: 0.4rem 0.46rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.2rem;
}

.slot small {
  color: #b8b8b8;
  font-size: 0.75rem;
}

.slot strong {
  font-size: 0.82rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.slot.free {
  border-color: rgba(9, 206, 125, 0.45);
  background: rgba(9, 206, 125, 0.09);
}

.slot.busy {
  --slot-fill: linear-gradient(90deg, rgba(46, 12, 20, 0.9) 0%, rgba(111, 28, 45, 0.82) 100%);
  border-color: rgba(255, 95, 122, 0.72);
  background: var(--slot-fill);
}

.slot.busy.partial {
  border-color: rgba(255, 126, 149, 0.82);
}

.slot.busy.mine {
  border-color: rgba(132, 22, 244, 0.86);
  box-shadow: inset 0 0 0 1px rgba(132, 22, 244, 0.45);
}

.slot-state {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.slot.free .slot-state {
  color: var(--green);
}

.slot.busy .slot-state {
  color: #ff9fb3;
}

.slot.busy.partial .slot-state {
  color: #ffc5d0;
}

.slot.busy.mine .slot-state {
  color: #d9b9ff;
}

.slot-companies {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.slot-company {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  color: var(--slot-company-color, #ffc5d0);
}

.slot-company span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slot-company b {
  flex-shrink: 0;
  font-size: 0.76rem;
  color: inherit;
}

.slot-company.mine,
.slot-company.mine b {
  color: #d9b9ff;
}

html[lang="uk"] .hero-kicker {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

html[lang="uk"] .hero h1 {
  font-size: clamp(1.42rem, 3.35vw, 2.4rem);
  letter-spacing: 0.03em;
}

html[lang="uk"] .hero-subtitle {
  font-size: 0.95rem;
}

html[lang="uk"] .section-title span {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

html[lang="uk"] .status-box {
  font-size: 0.92rem;
}

html[lang="uk"] .minutes-counter {
  font-size: 0.69rem;
  letter-spacing: 0.05em;
}

html[lang="uk"] .room-head h3 {
  font-size: 1rem;
  letter-spacing: 0.05em;
}

html[lang="uk"] .room-meta {
  font-size: 0.8rem;
}

html[lang="uk"] .slot small {
  font-size: 0.72rem;
}

html[lang="uk"] .slot-state {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

html[lang="uk"] .slot strong {
  font-size: 0.78rem;
}

html[lang="uk"] .slot-company {
  font-size: 0.74rem;
  letter-spacing: 0.03em;
}

.ranges {
  border-top: 1px dashed rgba(132, 22, 244, 0.5);
  padding-top: 0.58rem;
  color: #c9c9c9;
  font-size: 0.9rem;
  line-height: 1.35;
}

.ranges strong {
  color: #cab5ff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.78rem;
}

.ranges ul {
  margin: 0.42rem 0 0;
  padding-left: 1rem;
}

.table-wrap {
  margin-top: 0.45rem;
  overflow-x: auto;
  border: 1px solid rgba(132, 22, 244, 0.55);
  background: rgba(8, 8, 8, 0.9);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 770px;
}

th,
td {
  text-align: left;
  padding: 0.54rem 0.56rem;
  border-bottom: 1px solid rgba(132, 22, 244, 0.35);
  vertical-align: top;
}

th {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.73rem;
}

td {
  font-size: 0.93rem;
  color: #f0f0f0;
}

td.actions-cell {
  white-space: nowrap;
}

.bookings-table td {
  vertical-align: middle;
}

.bookings-table td.actions-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--green);
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.16rem 0.42rem;
  margin-left: 0.35rem;
}

.chip.admin {
  border-color: var(--purple);
  color: #d4b3ff;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: min(420px, calc(100% - 2rem));
  border: 1px solid rgba(132, 22, 244, 0.75);
  background: rgba(5, 5, 5, 0.96);
  box-shadow: var(--shadow-soft);
  padding: 0.62rem 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.74rem;
}

.toast.ok {
  color: var(--green);
  border-color: rgba(9, 206, 125, 0.65);
}

.toast.error {
  color: var(--danger);
  border-color: rgba(255, 95, 122, 0.72);
}

.hidden {
  display: none !important;
}

.mt-12 {
  margin-top: 0.8rem;
}

.mt-16 {
  margin-top: 1rem;
}

.role-label {
  max-width: 210px;
}

@media (max-width: 980px) {
  #authPanel,
  #boardPanel,
  #bookingPanel,
  #adminPanel {
    grid-column: span 12;
  }
}

@media (max-width: 760px) {
  .header-row {
    flex-wrap: wrap;
  }

  .brand img {
    height: 34px;
  }

  .hero {
    padding-top: 1.6rem;
  }

  .hero-inner {
    padding: 1rem 0.8rem 0.9rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 0.82rem;
  }

  .booking-head-side {
    align-items: flex-start;
  }

  .slot-grid {
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  }

  .row-actions button {
    width: 100%;
  }

  .row-actions {
    flex-direction: column;
  }

  .date-control {
    min-width: unset;
    width: 100%;
  }

  .panel-head {
    flex-direction: column;
    align-items: stretch;
  }

  .section-title {
    padding-right: 1.45rem;
    margin-right: 0.2rem;
  }

  .section-title::after {
    right: 0.18rem;
    width: 10px;
    height: 10px;
  }
}