/**
 * Shared styles for student, admin, and super-admin login pages.
 * Complements /psu/assets/css/app.css
 */

/* ---- Page atmosphere ---- */
.psu-login-page {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background: #e8dddf;
  font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --portal-accent: #8f3d5a;
  --portal-accent-2: #c17a8f;
  --portal-accent-deep: #692238;
  --portal-accent-soft: rgba(123, 43, 71, 0.18);
  --portal-kicker-border: rgba(158, 65, 100, 0.45);
  --portal-kicker-bg: rgba(158, 65, 100, 0.07);
  --portal-kicker-accent-text: #5c2d3d;
  --portal-pill-border: #e8c8d0;
  --portal-pill-bg: #fdf4f6;
  --portal-pill-text: #7a3d4e;
  --portal-btn-start: #b44e73;
  --portal-btn-mid: #903d5b;
  --portal-btn-end: #692238;
  --portal-btn-text: #fff;
  --portal-btn-shadow: rgba(80, 28, 48, 0.35);
  --portal-link: #8f3d5a;
  --portal-link-hover: #4a0f2a;
  --portal-link-decoration: rgba(110, 33, 72, 0.35);
  --portal-details-border: #e5d0d5;
  --portal-details-border-open: #d4b6bf;
  --portal-details-bg: #fffbfc;
}

.admin-portal-page {
  --portal-accent: #b57b05;
  --portal-accent-2: #f0be53;
  --portal-accent-deep: #8a5a0a;
  --portal-accent-soft: rgba(181, 123, 5, 0.18);
  --portal-kicker-border: rgba(181, 123, 5, 0.45);
  --portal-kicker-bg: rgba(181, 123, 5, 0.09);
  --portal-kicker-accent-text: #7a5208;
  --portal-pill-border: #f1ddb0;
  --portal-pill-bg: #fff9ec;
  --portal-pill-text: #815807;
  --portal-btn-start: #f1c35a;
  --portal-btn-mid: #d99a1f;
  --portal-btn-end: #b57b05;
  --portal-btn-text: #2d1d06;
  --portal-btn-shadow: rgba(161, 109, 8, 0.28);
  --portal-link: #9a6808;
  --portal-link-hover: #704c09;
  --portal-link-decoration: rgba(154, 104, 8, 0.35);
  --portal-details-border: #ecd9b2;
  --portal-details-border-open: #debf80;
  --portal-details-bg: #fffdf6;
}

.superadmin-portal-page {
  --portal-accent: #3d69b8;
  --portal-accent-2: #7da0df;
  --portal-accent-deep: #2d4f8c;
  --portal-accent-soft: rgba(61, 105, 184, 0.2);
  --portal-kicker-border: rgba(61, 105, 184, 0.45);
  --portal-kicker-bg: rgba(61, 105, 184, 0.1);
  --portal-kicker-accent-text: #305594;
  --portal-pill-border: #c8d6f4;
  --portal-pill-bg: #f4f8ff;
  --portal-pill-text: #365a99;
  --portal-btn-start: #5b84d2;
  --portal-btn-mid: #3d69b8;
  --portal-btn-end: #2d4f8c;
  --portal-btn-text: #fff;
  --portal-btn-shadow: rgba(43, 79, 150, 0.32);
  --portal-link: #3d69b8;
  --portal-link-hover: #2d4f8c;
  --portal-link-decoration: rgba(61, 105, 184, 0.35);
  --portal-details-border: #ccdaf4;
  --portal-details-border-open: #9eb8e8;
  --portal-details-bg: #f8fbff;
}

.psu-login-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 100% 90% at 8% 5%, rgba(200, 110, 130, 0.28) 0%, transparent 55%),
    radial-gradient(ellipse 90% 70% at 92% 15%, rgba(100, 45, 70, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(60, 25, 40, 0.14) 0%, transparent 55%),
    linear-gradient(175deg, #f2e8eb 0%, #e9dfe2 50%, #e2d6da 100%);
  animation: psuLoginAmbience 20s ease-in-out infinite alternate;
}

@media (prefers-reduced-motion: reduce) {
  .psu-login-page::before {
    animation: none;
  }
}

@keyframes psuLoginAmbience {
  0% {
    filter: brightness(1) hue-rotate(0deg);
  }
  100% {
    filter: brightness(1.04) hue-rotate(-4deg);
  }
}

.psu-login-page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='a'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23a)' opacity='.35'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: soft-light;
}

.psu-login-main {
  position: relative;
  z-index: 1;
}

/* ---- Form column (glass-leaning card) ---- */
.psu-login-column {
  background: linear-gradient(168deg, #ffffff 0%, #fffcfd 38%, #fff8f9 100%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 1px 1px rgba(90, 35, 50, 0.04), 0 20px 50px -16px rgba(60, 25, 40, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(2px);
}

@media (min-width: 1024px) {
  .psu-login-animate {
    animation: psuColumnIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
  .psu-login-hero-animate {
    animation: psuColumnIn 0.75s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
}

@media (prefers-reduced-motion: reduce) {
  .psu-login-animate,
  .psu-login-hero-animate {
    animation: none;
  }
}

@keyframes psuColumnIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Brand mark glow ---- */
.psu-brand-wrap {
  position: relative;
}
.psu-brand-wrap::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 1.1rem;
  background: linear-gradient(140deg, rgba(200, 80, 110, 0.45), rgba(100, 30, 50, 0.15));
  z-index: -1;
  opacity: 0.45;
  filter: blur(10px);
}

/* ---- Back link ---- */
a.psu-back-link {
  border-radius: 9999px;
  padding: 0.35rem 0.7rem 0.35rem 0.35rem;
  margin-left: -0.3rem;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
a.psu-back-link:hover {
  background: var(--portal-accent-soft);
  color: var(--portal-accent-deep);
  box-shadow: 0 0 0 1px var(--portal-accent-soft);
}

/* ---- Kicker + title accent (welcoming) ---- */
.psu-login-kicker {
  font-size: 0.9rem;
  line-height: 1.55;
  color: #6b4d5a;
  font-weight: 500;
  margin-top: 0.65rem;
  margin-bottom: 0.15rem;
  padding: 0.4rem 0 0.4rem 0.7rem;
  border-left: 3px solid var(--portal-kicker-border);
  background: linear-gradient(90deg, var(--portal-kicker-bg) 0%, transparent 100%);
  border-radius: 0 0.5rem 0.5rem 0;
}

.psu-title-accent {
  display: block;
  width: 2.65rem;
  height: 0.3rem;
  border-radius: 9999px;
  margin-top: 0.4rem;
  background: linear-gradient(90deg, var(--portal-accent), var(--portal-accent-2), #e7d3d9);
  opacity: 0.9;
}

/* ---- Form fields ---- */
.psu-login-form input[type="text"],
.psu-login-form input[type="password"],
.psu-login-form .psu-password-field > input[type="text"] {
  min-height: 3.2rem;
  border-radius: 0.9rem;
  border: 1px solid #cab3bc;
  background: #fff;
  padding: 0.72rem 1rem;
  font-size: 0.95rem;
  line-height: 1.4;
  color: #1a1a1a;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.85), 0 2px 6px rgba(40, 15, 25, 0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.psu-login-form input::placeholder {
  color: #9ca3af;
}

.psu-login-form input:hover {
  border-color: #a88896;
}

.psu-login-form input:focus {
  outline: none;
  border-color: var(--portal-accent);
  box-shadow: 0 0 0 3px var(--portal-accent-soft), inset 0 1px 2px rgba(255, 255, 255, 0.9);
}

/* Password show / hide — backup if Tailwind utilities are unavailable */
[data-password-wrap] {
  position: relative !important;
  width: 100%;
}

[data-password-wrap] > input {
  width: 100% !important;
  padding-right: 3.25rem !important;
  box-sizing: border-box;
}

[data-password-wrap] > [data-password-toggle] {
  position: absolute !important;
  right: 0.5rem !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  z-index: 10;
  margin: 0 !important;
  width: 2.25rem !important;
  height: 2.25rem !important;
  min-height: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #7a5c68;
}

[data-password-wrap] > [data-password-toggle]:hover {
  color: var(--portal-accent-deep);
  background: var(--portal-accent-soft) !important;
}

.psu-login-form .psu-password-toggle__icon {
  display: block;
  flex-shrink: 0;
  pointer-events: none;
}

.psu-login-form .psu-password-toggle__icon[hidden] {
  display: none !important;
}

/* ---- Primary CTA ---- */
.psu-btn-primary {
  display: inline-flex;
  min-height: 3.2rem;
  width: 100%;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--portal-btn-text);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
  background: linear-gradient(135deg, var(--portal-btn-start) 0%, var(--portal-btn-mid) 45%, var(--portal-btn-end) 100%);
  border: 0;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--portal-btn-shadow), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
  transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.psu-btn-primary:hover {
  filter: brightness(1.06);
  box-shadow: 0 8px 28px var(--portal-btn-shadow), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
  transform: translateY(-2px);
}

.psu-btn-primary:focus-visible {
  outline: 2px solid var(--portal-accent-deep);
  outline-offset: 3px;
}

.psu-btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.98);
}

@media (prefers-reduced-motion: reduce) {
  .psu-btn-primary {
    transition: filter 0.2s ease, box-shadow 0.2s ease;
  }
  .psu-btn-primary:hover {
    transform: none;
  }
}

/* ---- Help accordion (details) ---- */
.psu-details > summary {
  list-style: none;
}
.psu-details[open] .psu-details__chev {
  transform: rotate(180deg);
}
.psu-details[open] {
  border-color: var(--portal-details-border-open) !important;
  background: #fff !important;
  box-shadow: 0 6px 28px -6px rgba(60, 25, 40, 0.1) !important;
}

.psu-details {
  border: 1px solid var(--portal-details-border) !important;
  background: var(--portal-details-bg) !important;
}

.psu-details > summary:hover {
  background: #fff !important;
}

.psu-details > summary:focus-visible {
  box-shadow: 0 0 0 2px var(--portal-accent-soft) inset;
  border-radius: 1rem;
}

.psu-details__chev {
  color: var(--portal-accent);
}

.psu-kicker-accent {
  color: var(--portal-kicker-accent-text);
}

.psu-role-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 9999px;
  border: 1px solid var(--portal-pill-border);
  background: var(--portal-pill-bg);
  padding: 0.25rem 0.65rem;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--portal-pill-text);
}

.admin-portal-page .psu-brand-wrap {
  background: linear-gradient(135deg, #f2c14f 0%, #d99a1f 58%, #b57b05 100%) !important;
  box-shadow: 0 8px 18px rgba(181, 123, 5, 0.35) !important;
}

.superadmin-portal-page .psu-brand-wrap {
  background: linear-gradient(135deg, #5b84d2 0%, #3d69b8 58%, #2d4f8c 100%) !important;
  box-shadow: 0 8px 18px rgba(45, 79, 140, 0.35) !important;
}

.psu-auth-link {
  font-weight: 600;
  color: var(--portal-link);
  text-decoration: underline;
  text-decoration-color: var(--portal-link-decoration);
  text-underline-offset: 2px;
}

.psu-auth-link:hover {
  color: var(--portal-link-hover);
  text-decoration-color: var(--portal-link-hover);
}

.psu-details-list {
  list-style: decimal;
  padding-left: 1rem;
  color: #4b5563;
}

.psu-details-list li::marker {
  color: var(--portal-accent);
  font-weight: 700;
}

/* ---- Hero panel ---- */
.psu-login-hero {
  position: relative;
  isolation: isolate;
}

.psu-login-hero__img {
  transform: scale(1.04);
  transition: transform 10s ease-out;
}

@media (min-width: 1024px) {
  .psu-login-hero:hover .psu-login-hero__img {
    transform: scale(1.09);
  }
}

@media (prefers-reduced-motion: reduce) {
  .psu-login-hero__img,
  .psu-login-hero:hover .psu-login-hero__img {
    transform: none !important;
    transition: none;
  }
}

.psu-hero-film {
  background: linear-gradient(180deg, rgba(40, 12, 28, 0.65) 0%, rgba(70, 25, 45, 0.4) 38%, rgba(18, 6, 10, 0.92) 100%);
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.2);
}

.psu-hero-text {
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}

/* ---- Footer portal links ---- */
a.psu-footer-link {
  color: var(--portal-link);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--portal-link-decoration);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}
a.psu-footer-link:hover {
  color: var(--portal-link-hover);
  text-decoration-color: var(--portal-link-hover);
}

/* ---- Student portal: tab switcher (complements Tailwind) ---- */
.student-portal-auth .student-portal-tabs {
  max-width: 100%;
}
.student-portal-page .student-portal-tab[aria-selected="true"] {
  box-shadow: 0 1px 3px rgba(60, 25, 40, 0.08);
}