* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  min-height: 100vh;
  font-family: "Helvetica Neue", Arial, sans-serif;
  overflow: hidden;
}

body.dark-mode {
  background:
    radial-gradient(circle at center top, rgba(0, 120, 255, 0.18), transparent 38%),
    linear-gradient(180deg, #020711, #010308 72%);
  color: white;
}

/* HEADER */

.app-header {
  height: 76px;
  padding: 0 48px;

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

  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand-name {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.42em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.theme-toggle {
  height: 42px;
  padding: 0 18px;

  display: flex;
  align-items: center;
  gap: 16px;

  border: 1px solid rgba(120, 190, 255, 0.34);
  border-radius: 999px;

  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.72);

  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.theme-toggle strong {
  color: #ffffff;
  font-weight: 500;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;

  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.user-initial {
  width: 36px;
  height: 36px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;

  font-size: 12px;
}

/* MAIN */

.suite-screen {
  height: calc(100vh - 76px);
  padding: 46px 68px 54px;
}

.routiq-hero {
  display: flex;
  justify-content: center;
  align-items: center;

  margin-bottom: 50px;
}

.routiq-logo {
  width: min(620px, 42vw);
  height: auto;
  user-select: none;
  pointer-events: none;

  filter:
    drop-shadow(0 0 14px rgba(80, 170, 255, 0.22))
    drop-shadow(0 0 28px rgba(255, 255, 255, 0.08));
}

/* SUITE CARDS */

.suite-grid {
  width: min(1400px, 92vw);
  margin: 0 auto;

  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.suite-card {
  height: 190px;

  position: relative;
  overflow: hidden;

  border: 1px solid rgba(120, 190, 255, 0.2);
  border-radius: 18px;

  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.025)),
    radial-gradient(circle at top right, rgba(0, 155, 255, 0.13), transparent 42%);

  color: rgba(255, 255, 255, 0.9);

  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: left;

  padding: 34px;

  cursor: pointer;

  box-shadow:
    inset 0 0 32px rgba(255, 255, 255, 0.025),
    0 18px 40px rgba(0, 0, 0, 0.28);

  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    opacity 0.35s ease;
}

.suite-card::before {
  content: "";
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      120deg,
      transparent,
      rgba(255, 255, 255, 0.08),
      transparent
    );

  transform: translateX(-120%);
  transition: transform 0.7s ease;
}

.suite-card:hover::before {
  transform: translateX(120%);
}

.suite-card span {
  position: relative;
  z-index: 2;
}

.active-suite {
  border-color: rgba(0, 165, 255, 0.72);

  box-shadow:
    0 0 24px rgba(0, 145, 255, 0.24),
    inset 0 0 34px rgba(0, 145, 255, 0.08);
}

.active-suite:hover {
  transform: translateY(-4px);
  border-color: rgba(105, 210, 255, 0.95);

  box-shadow:
    0 0 34px rgba(0, 165, 255, 0.36),
    inset 0 0 38px rgba(0, 145, 255, 0.1);
}

.locked-suite {
  opacity: 0.46;
  cursor: not-allowed;
}

.locked-suite:hover {
  transform: none;
}