/* ========================================================================== */
/* 01. VARIABEL WARNA DAN RESET DASAR                                         */
/* ========================================================================== */
:root {
  --login-bg: #f7f4ef;
  --login-surface: #ffffff;
  --login-surface-muted: #f3eee7;
  --login-ink: #2a211d;
  --login-muted: #746a64;
  --login-line: #e4ddd4;
  --login-brand-dark: #2c211c;
  --login-brand: #573622;
  --login-accent: #b66d32;
  --login-accent-light: #f6e7d7;
  --login-danger: #b32626;
  --login-danger-bg: #fff2f0;
  --login-danger-line: #f0c6c0;
  --login-shadow: 0 24px 70px rgba(72, 45, 29, 0.14);
  --login-font: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--login-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--login-ink);
  background: var(--login-bg);
  font-family: var(--login-font);
}

button,
input {
  font: inherit;
}

/* ========================================================================== */
/* 02. LATAR HALAMAN LOGIN                                                    */
/* ========================================================================== */
.login-page {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 100vh;
  place-items: center;
  overflow: hidden;
  padding: 40px;
  background:
    radial-gradient(circle at 8% 10%, rgba(182, 109, 50, 0.11), transparent 27%),
    radial-gradient(circle at 92% 88%, rgba(87, 54, 34, 0.08), transparent 30%),
    var(--login-bg);
}

.login-page::after {
  position: absolute;
  z-index: -1;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(182, 109, 50, 0.14);
  border-radius: 50%;
  content: "";
}

.login-page::after {
  bottom: -190px;
  left: 7%;
}

/* ========================================================================== */
/* 03. KERANGKA UTAMA                                                         */
/* ========================================================================== */
.login-shell {
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(390px, 1.1fr);
  width: min(980px, 100%);
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--login-line);
  border-top: 4px solid var(--login-accent);
  border-radius: 18px;
  background: var(--login-surface);
  box-shadow: var(--login-shadow);
}

/* ========================================================================== */
/* 04. PANEL INFORMASI DAN IDENTITAS                                          */
/* ========================================================================== */
.login-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 48px;
  color: #ffffff;
  background: var(--login-brand-dark);
}

.login-visual::before {
  position: absolute;
  right: -130px;
  bottom: -105px;
  width: 350px;
  height: 350px;
  border: 1px solid rgba(255, 224, 189, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 0 48px rgba(255, 224, 189, 0.035),
    0 0 0 96px rgba(255, 224, 189, 0.025);
  content: "";
}

.login-brand {
  position: relative;
  z-index: 1;
  align-self: flex-start;
}

.login-brand img {
  display: block;
  width: min(245px, 100%);
  height: auto;
}

.login-visual-copy {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 72px;
}

.login-kicker,
.login-eyebrow {
  display: block;
  color: var(--login-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.login-visual-copy h2 {
  max-width: 340px;
  margin: 13px 0 14px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.035em;
}

.login-visual-copy p {
  max-width: 360px;
  margin: 0;
  color: #cfc4bd;
  font-size: 14px;
  line-height: 1.7;
}

.login-feature-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 13px;
  margin-top: 34px;
}

.login-feature {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  align-items: start;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.login-feature-number {
  color: #f1b978;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.login-feature strong,
.login-feature small {
  display: block;
}

.login-feature strong {
  margin-bottom: 4px;
  font-size: 13px;
}

.login-feature small {
  color: #b9ada6;
  font-size: 11px;
  line-height: 1.5;
}

.login-visual-footer {
  position: relative;
  z-index: 1;
  margin: 32px 0 0;
  color: #978a83;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ========================================================================== */
/* 05. PANEL FORM LOGIN                                                       */
/* ========================================================================== */
.login-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 58px 64px;
}

.login-form-heading {
  margin-bottom: 32px;
}

.login-title {
  margin: 10px 0 9px;
  color: var(--login-ink);
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.login-subtitle {
  max-width: 410px;
  margin: 0;
  color: var(--login-muted);
  font-size: 14px;
  line-height: 1.65;
}

.login-field {
  display: block;
  margin-bottom: 18px;
}

.login-field > span {
  display: block;
  margin-bottom: 8px;
  color: var(--login-ink);
  font-size: 12px;
  font-weight: 750;
}

.login-field input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid #d8cfc6;
  border-radius: 7px;
  outline: none;
  background: #ffffff;
  color: var(--login-ink);
  font-size: 14px;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.login-field input::placeholder {
  color: #a19791;
}

.login-field input:hover {
  border-color: #bcaea3;
}

.login-field input:focus {
  border-color: var(--login-accent);
  box-shadow: 0 0 0 3px rgba(182, 109, 50, 0.13);
}

.login-submit {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  padding: 0 17px 0 20px;
  border: 1px solid var(--login-accent);
  border-radius: 7px;
  background: var(--login-accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.login-submit:hover {
  border-color: var(--login-brand);
  background: var(--login-brand);
}

.login-submit:active {
  transform: translateY(1px);
}

.login-submit:focus-visible {
  outline: 3px solid rgba(182, 109, 50, 0.24);
  outline-offset: 3px;
}

.login-submit-arrow {
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
}

/* ========================================================================== */
/* 06. PESAN GALAT DAN FOOTER                                                 */
/* ========================================================================== */
.login-error {
  display: none;
  margin: -12px 0 20px;
  padding: 11px 13px;
  border: 1px solid var(--login-danger-line);
  border-radius: 7px;
  background: var(--login-danger-bg);
  color: var(--login-danger);
  font-size: 12px;
  line-height: 1.5;
}

.login-error.show {
  display: block;
}

.participant-login-link {
  align-self: center;
  margin-top: 20px;
  color: var(--login-brand-dark);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
}

.participant-login-link:hover {
  text-decoration: underline;
}

.login-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 27px;
  color: #9b918a;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.login-footer span {
  width: 22px;
  height: 1px;
  background: var(--login-line);
}

/* ========================================================================== */
/* 07. TAMPILAN TABLET DAN PONSEL                                             */
/* ========================================================================== */
@media (max-width: 820px) {
  .login-page {
    padding: 24px;
    place-items: start center;
  }

  .login-shell {
    grid-template-columns: 1fr;
    width: min(590px, 100%);
    min-height: auto;
  }

  .login-visual {
    min-height: auto;
    padding: 34px 40px;
  }

  .login-brand img {
    width: 205px;
  }

  .login-visual-copy {
    margin-top: 42px;
    padding-top: 0;
  }

  .login-visual-copy h2 {
    max-width: 460px;
    font-size: 29px;
  }

  .login-feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
  }

  .login-visual-footer {
    margin-top: 26px;
  }

  .login-content {
    padding: 46px 40px;
  }
}

@media (max-width: 540px) {
  .login-page {
    display: block;
    padding: 0;
  }

  .login-shell {
    min-height: 100vh;
    border: 0;
    border-top: 4px solid var(--login-accent);
    border-radius: 0;
    box-shadow: none;
  }

  .login-visual {
    padding: 28px 24px;
  }

  .login-brand img {
    width: 178px;
  }

  .login-visual-copy {
    margin-top: 34px;
  }

  .login-visual-copy h2 {
    margin-bottom: 10px;
    font-size: 25px;
  }

  .login-visual-copy p {
    font-size: 13px;
  }

  .login-feature-list {
    display: none;
  }

  .login-visual-footer {
    margin-top: 22px;
    font-size: 9px;
  }

  .login-content {
    padding: 38px 24px 32px;
  }

  .login-form-heading {
    margin-bottom: 27px;
  }

  .login-title {
    font-size: 28px;
  }

}

@media (prefers-reduced-motion: reduce) {
  .login-field input,
  .login-submit {
    transition: none;
  }
}

.login-password-control { position: relative; }
.login-password-control input { padding-right: 56px; }
.login-password-toggle { position: absolute; top: 2px; right: 3px; width: 44px; height: 44px; display: grid; place-items: center; border: 0; border-radius: 6px; color: var(--login-muted); background: transparent; cursor: pointer; }
.login-password-toggle:hover { color: var(--login-accent); background: var(--login-surface-muted); }
.login-password-toggle:focus-visible { outline: 2px solid var(--login-accent); outline-offset: -2px; }
.login-password-toggle [hidden] { display: none; }

/* Konsistensi label dan kontrol khusus login pengelola. Portal peserta tetap
   memakai aturan tampilannya sendiri. */
.admin-login-page .login-field > span,
.admin-login-page .login-field > label {
  display: block;
  margin-bottom: 8px;
  color: var(--login-ink);
  font-family: var(--login-font);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.4;
}

.admin-login-page .login-field input,
.admin-login-page .login-submit {
  font-size: 16px;
}