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

:root {
  --ink: #102322;
  --muted: #61706d;
  --line: #dfe8e4;
  --surface: #ffffff;
  --soft: #f7faf9;
  --teal: #0f8f7d;
  --green: #62d66f;
  --deep: #071f25;
  --shadow: 0 26px 70px rgba(16, 35, 34, 0.16);
}

body.front-screen {
  min-height: 100vh;
  min-width: 320px;
  display: grid;
  place-items: center;
  padding: 32px;
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(98, 214, 111, 0.18), transparent 32rem),
    linear-gradient(135deg, #f8fbfa 0%, #eef6f2 52%, #e8f3ef 100%);
}

.welcome-shell {
  width: min(100%, 1080px);
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  overflow: hidden;
  border: 1px solid rgba(16, 35, 34, 0.08);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 52px;
  min-height: 100%;
  padding: 56px;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at 14% 10%, rgba(98, 214, 111, 0.22), transparent 18rem),
    linear-gradient(145deg, #071f25 0%, #092f34 50%, #0d554d 100%);
}

.brand-panel::before,
.brand-panel::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(98, 214, 111, 0.42);
  border-radius: 999px;
  pointer-events: none;
}

.brand-panel::before {
  width: 620px;
  height: 620px;
  left: -260px;
  top: -230px;
}

.brand-panel::after {
  width: 520px;
  height: 520px;
  right: -250px;
  bottom: -210px;
}

.brand-panel > * {
  position: relative;
  z-index: 1;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand-mark {
  width: 76px;
  height: 76px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(98, 214, 111, 0.95), rgba(15, 143, 125, 0.86));
  box-shadow: 0 20px 50px rgba(4, 19, 23, 0.28);
}

.brand-mark span {
  font-size: 2rem;
  font-weight: 900;
  color: #ffffff;
}

.logo-gradient {
  font-size: clamp(3.2rem, 6.6vw, 6rem);
  line-height: 0.92;
  font-weight: 850;
  letter-spacing: 0;
}

.clubs-gradient {
  color: #a8f0ad;
}

.court-graphic {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 1.65;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 24px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px) 50% / 33.33% 100%,
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px) 50% / 100% 50%,
    rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.court-line {
  position: absolute;
  display: block;
  border: 1px solid rgba(168, 240, 173, 0.62);
}

.line-one {
  inset: 20px;
  border-radius: 18px;
}

.line-two {
  top: 20px;
  bottom: 20px;
  left: 50%;
}

.line-three {
  width: 72px;
  height: 72px;
  left: calc(50% - 36px);
  top: calc(50% - 36px);
  border-radius: 999px;
}

.login-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(32px, 6vw, 64px);
  background: var(--surface);
}

.profile-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: min(100%, 520px);
}

.field-group {
  display: grid;
  gap: 10px;
}

.field-group span {
  color: #1d302e;
  font-size: 1rem;
  font-weight: 650;
}

.profile-input {
  width: 100%;
  min-height: 62px;
  padding: 0 18px;
  color: var(--ink);
  font: inherit;
  font-size: 1.05rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.profile-input:focus {
  outline: none;
  border-color: rgba(15, 143, 125, 0.9);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(15, 143, 125, 0.13);
}

.profile-input[readonly] {
  color: #526460;
  background: var(--soft);
}

select.profile-input {
  appearance: none;
  padding-right: 48px;
  background-image:
    linear-gradient(45deg, transparent 50%, #61706d 50%),
    linear-gradient(135deg, #61706d 50%, transparent 50%);
  background-position:
    calc(100% - 25px) 28px,
    calc(100% - 18px) 28px;
  background-size: 7px 7px;
  background-repeat: no-repeat;
}

select.profile-input option {
  color: var(--ink);
  background: #ffffff;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  width: 100%;
  margin-top: 14px;
}

.welcome-btn,
.button {
  min-height: 62px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.welcome-btn:hover,
.button:hover {
  transform: translateY(-1px);
}

.welcome-btn:focus-visible,
.button:focus-visible {
  outline: 3px solid rgba(98, 214, 111, 0.36);
  outline-offset: 3px;
}

.welcome-btn:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.primary-action {
  color: #ffffff;
  background: linear-gradient(135deg, var(--teal), #13a071);
  box-shadow: 0 14px 30px rgba(15, 143, 125, 0.26);
}

.primary-action:hover {
  box-shadow: 0 18px 34px rgba(15, 143, 125, 0.32);
}

.secondary-action {
  color: var(--teal);
  border-color: rgba(15, 143, 125, 0.7);
  background: #ffffff;
}

.secondary-action:hover {
  border-color: rgba(15, 143, 125, 0.95);
  background: #f6faf8;
}

::placeholder {
  color: #92a19e;
}

@media (max-width: 860px) {
  body.front-screen {
    display: block;
    padding: 18px;
  }

  .welcome-shell {
    min-height: auto;
    grid-template-columns: 1fr;
    border-radius: 22px;
  }

  .brand-panel {
    min-height: 310px;
    padding: 30px;
  }

  .brand-lockup {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .court-graphic {
    display: none;
  }

  .login-panel {
    padding: 34px 30px 38px;
  }
}

@media (max-width: 460px) {
  body.front-screen {
    padding: 0;
    background: #ffffff;
  }

  .welcome-shell {
    min-height: 100vh;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .brand-panel {
    min-height: 245px;
    padding: 24px;
  }

  .brand-mark {
    width: 60px;
    height: 60px;
  }

  .logo-gradient {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .profile-input,
  .welcome-btn,
  .button {
    min-height: 56px;
  }
}