:root {
  --primary: #1769e0;
  --primary-soft: rgba(23,105,224,.10);

  --bg: #f6f8fc;
  --card: #ffffff;

  --text: #101828;
  --muted: #667085;
  --border: #e4e7ec;

  --radius: 22px;

  --shadow:
    0 20px 60px rgba(16,24,40,.08);

  --font: "Inter", sans-serif;

  --transition:
    .28s cubic-bezier(.2,.8,.2,1);
}


/* =====================================================
   THEMES
===================================================== */

body.theme-blue {
  --primary: #1769e0;
  --primary-soft: rgba(23,105,224,.10);
}

body.theme-green {
  --primary: #159447;
  --primary-soft: rgba(21,148,71,.10);
}

body.theme-purple {
  --primary: #7c3aed;
  --primary-soft: rgba(124,58,237,.10);
}

body.theme-orange {
  --primary: #ea7a16;
  --primary-soft: rgba(234,122,22,.10);
}

body.theme-red {
  --primary: #dc3545;
  --primary-soft: rgba(220,53,69,.10);
}


/* =====================================================
   FONTS
===================================================== */

body.font-inter {
  --font: "Inter", sans-serif;
}

body.font-poppins {
  --font: "Poppins", sans-serif;
}

body.font-roboto {
  --font: "Roboto", sans-serif;
}

body.font-nunito {
  --font: "Nunito", sans-serif;
}

body.font-system {
  --font: system-ui, sans-serif;
}


/* =====================================================
   RESET
===================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  min-height: 100vh;

  font-family: var(--font);

  color: var(--text);

  background: var(--bg);

  transition:
    background var(--transition),
    color var(--transition);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  max-width: 100%;
}

.hidden {
  display: none !important;
}


/* =====================================================
   START PAGE
===================================================== */

.start-page {
  min-height: 100vh;

  position: relative;

  display: grid;
  place-items: center;

  overflow: hidden;

  background:
    radial-gradient(
      circle at 20% 20%,
      var(--primary-soft),
      transparent 35%
    ),
    var(--bg);
}

.start-content {
  width: min(650px, 90%);

  text-align: center;

  animation: pageIn .7s ease;
}

.logo-box {
  width: 110px;
  height: 110px;

  margin: 0 auto 25px;

  display: grid;
  place-items: center;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 32px;

  box-shadow: var(--shadow);
}

.main-logo {
  width: 75px;
  height: 75px;

  object-fit: contain;
}

.brand-mini {
  color: var(--primary);

  font-size: 12px;

  font-weight: 800;

  letter-spacing: 4px;
}

.start-content h1 {
  margin: 18px 0;

  font-size: clamp(45px, 9vw, 78px);

  line-height: .95;

  letter-spacing: -4px;
}

.start-content h1 span {
  color: var(--primary);
}

.start-content p {
  max-width: 520px;

  margin: 0 auto 30px;

  color: var(--muted);

  line-height: 1.7;
}

.start-button {
  min-width: 180px;

  padding: 16px 22px;

  display: inline-flex;

  align-items: center;

  justify-content: space-between;

  gap: 30px;

  color: white;

  background: var(--primary);

  border: 0;

  border-radius: 16px;

  font-weight: 800;

  box-shadow:
    0 15px 35px var(--primary-soft);

  transition: var(--transition);
}

.start-button:hover {
  transform: translateY(-4px);
}

.start-button b {
  font-size: 20px;

  transition: var(--transition);
}

.start-button:hover b {
  transform: translateX(5px);
}

.start-bottom {
  margin-top: 50px;

  display: flex;

  justify-content: center;

  gap: 12px;

  color: var(--muted);

  font-size: 11px;
}

.start-bottom i {
  width: 4px;
  height: 4px;

  align-self: center;

  border-radius: 50%;

  background: var(--primary);
}


/* =====================================================
   AUTH
===================================================== */

.auth-page {
  min-height: 100vh;

  display: grid;

  place-items: center;

  padding: 20px;
}

.auth-card {
  width: min(470px, 100%);

  padding: 32px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 28px;

  box-shadow: var(--shadow);

  animation: pageIn .5s ease;
}

.auth-logo {
  width: 60px;
  height: 60px;

  display: grid;

  place-items: center;

  margin-bottom: 25px;

  background: var(--primary-soft);

  border-radius: 17px;
}

.auth-logo img {
  width: 42px;
  height: 42px;

  object-fit: contain;
}

.eyebrow {
  display: block;

  margin-bottom: 7px;

  color: var(--primary);

  font-size: 10px;

  font-weight: 800;

  letter-spacing: 1.8px;
}

.auth-title h2 {
  margin: 0 0 7px;

  font-size: 29px;
}

.auth-title p {
  margin: 0 0 25px;

  color: var(--muted);

  font-size: 13px;
}


/* =====================================================
   INPUTS
===================================================== */

.input-group {
  margin-bottom: 15px;
}

.input-group label {
  display: block;

  margin-bottom: 7px;

  font-size: 12px;

  font-weight: 700;
}

.input-group small {
  display: block;

  margin-top: 5px;

  color: var(--muted);

  font-size: 10px;
}

input,
select {
  width: 100%;

  padding: 13px 14px;

  color: var(--text);

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 13px;

  outline: none;

  transition: var(--transition);
}

input:focus,
select:focus {
  border-color: var(--primary);

  box-shadow:
    0 0 0 4px var(--primary-soft);
}

.two-columns {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 12px;
}


/* =====================================================
   BUTTONS
===================================================== */

.primary-button,
.secondary-button,
.google-button {
  min-height: 46px;

  border-radius: 13px;

  font-weight: 700;

  transition: var(--transition);
}

.primary-button {
  color: white;

  background: var(--primary);

  border: 0;
}

.primary-button:hover {
  transform: translateY(-2px);

  filter: brightness(.95);
}

.secondary-button {
  color: var(--primary);

  background: var(--primary-soft);

  border: 0;
}

.secondary-button:hover {
  transform: translateY(-2px);
}

.full {
  width: 100%;
}

.google-button {
  width: 100%;

  margin-top: 10px;

  display: flex;

  justify-content: center;

  align-items: center;

  gap: 10px;

  color: var(--text);

  background: var(--card);

  border: 1px solid var(--border);
}

.google-button:hover {
  transform: translateY(-2px);

  background: var(--bg);
}

.google-g {
  color: #4285f4;

  font-size: 18px;

  font-weight: 800;
}

.auth-note {
  margin-top: 15px;

  text-align: center;

  color: var(--muted);

  font-size: 10px;
}


/* =====================================================
   HEADER
===================================================== */

.app-header {
  height: 74px;

  position: sticky;

  top: 0;

  z-index: 20;

  padding: 0 5%;

  display: flex;

  align-items: center;

  justify-content: space-between;

  background: rgba(255,255,255,.9);

  border-bottom: 1px solid var(--border);

  backdrop-filter: blur(18px);
}

.brand {
  display: flex;

  align-items: center;

  gap: 10px;
}

.header-logo {
  width: 43px;
  height: 43px;

  display: grid;

  place-items: center;

  background: var(--primary-soft);

  border-radius: 13px;
}

.header-logo img {
  width: 32px;
  height: 32px;

  object-fit: contain;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 15px;
}

.brand span {
  margin-top: 2px;

  color: var(--muted);

  font-size: 9px;
}

.header-actions {
  display: flex;

  align-items: center;

  gap: 9px;
}

.header-button,
.profile-avatar {
  width: 41px;
  height: 41px;

  border: 0;

  border-radius: 13px;
}

.header-button {
  color: var(--primary);

  background: var(--primary-soft);

  font-size: 18px;
}

.profile-avatar {
  color: white;

  background: var(--primary);

  font-weight: 800;
}


/* =====================================================
   PROFILE MENU
===================================================== */

.profile-menu {
  position: absolute;

  top: 64px;

  right: 5%;

  width: 270px;

  padding: 15px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 19px;

  box-shadow: var(--shadow);

  animation: menuIn .2s ease;
}

.profile-head {
  display: flex;

  align-items: center;

  gap: 10px;
}

.menu-avatar {
  width: 43px;
  height: 43px;

  display: grid;

  place-items: center;

  color: white;

  background: var(--primary);

  border-radius: 13px;

  font-weight: 800;
}

.profile-head strong,
.profile-head span {
  display: block;
}

.profile-head span {
  margin-top: 3px;

  max-width: 180px;

  overflow: hidden;

  text-overflow: ellipsis;

  color: var(--muted);

  font-size: 10px;
}

.profile-line {
  height: 1px;

  margin: 13px 0;

  background: var(--border);
}

.profile-details {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 8px;
}

.profile-details div {
  padding: 9px;

  background: var(--bg);

  border-radius: 11px;
}

.profile-details small,
.profile-details b {
  display: block;
}

.profile-details small {
  color: var(--muted);

  font-size: 9px;
}

.profile-details b {
  margin-top: 3px;

  font-size: 11px;
}

.logout-button {
  width: 100%;

  margin-top: 12px;

  padding: 11px;

  color: #d92d20;

  background: rgba(217,45,32,.08);

  border: 0;

  border-radius: 11px;

  font-weight: 700;
}


/* =====================================================
   DASHBOARD
===================================================== */

.dashboard {
  width: min(1200px, 90%);

  margin: auto;

  padding: 60px 0;
}

.dashboard-hero {
  display: flex;

  align-items: end;

  justify-content: space-between;

  gap: 25px;

  margin-bottom: 35px;
}

.dashboard-hero h1 {
  margin: 0 0 10px;

  font-size: clamp(35px, 6vw, 62px);

  letter-spacing: -3px;
}

.dashboard-hero h1 span {
  color: var(--primary);
}

.dashboard-hero p {
  margin: 0;

  color: var(--muted);
}


/* =====================================================
   STUDENT CARD
===================================================== */

.student-card {
  min-width: 300px;

  padding: 15px;

  display: flex;

  align-items: center;

  gap: 11px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 18px;

  box-shadow: 0 8px 30px rgba(16,24,40,.04);
}

.student-avatar {
  width: 45px;
  height: 45px;

  flex-shrink: 0;

  display: grid;

  place-items: center;

  color: white;

  background: var(--primary);

  border-radius: 14px;

  font-weight: 800;
}

.student-card strong,
.student-card span,
.student-card small {
  display: block;
}

.student-card strong {
  font-size: 13px;
}

.student-card span {
  margin-top: 2px;

  max-width: 210px;

  overflow: hidden;

  text-overflow: ellipsis;

  color: var(--muted);

  font-size: 10px;
}

.student-card small {
  margin-top: 6px;

  color: var(--muted);

  font-size: 9px;
}


/* =====================================================
   SUMMARY
===================================================== */

.summary-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 14px;

  margin-bottom: 55px;
}

.summary-card {
  padding: 21px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 18px;
}

.summary-card span,
.summary-card small {
  display: block;
}

.summary-card span {
  color: var(--muted);

  font-size: 11px;
}

.summary-card strong {
  display: block;

  margin: 7px 0 3px;

  font-size: 32px;
}

.summary-card small {
  color: var(--muted);

  font-size: 10px;
}

.summary-card.highlight {
  color: white;

  background: var(--primary);

  border-color: var(--primary);
}

.summary-card.highlight span,
.summary-card.highlight small {
  color: rgba(255,255,255,.75);
}


/* =====================================================
   MARKS
===================================================== */

.section-heading {
  display: flex;

  align-items: end;

  justify-content: space-between;

  margin-bottom: 20px;
}

.section-heading h2 {
  margin: 0;

  font-size: 30px;

  letter-spacing: -1px;
}

.section-info {
  color: var(--muted);

  font-size: 11px;
}


/* =====================================================
   MID CARDS
===================================================== */

.mid-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 17px;
}

.mid-card {
  position: relative;

  min-height: 235px;

  padding: 23px;

  overflow: hidden;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 22px;

  cursor: pointer;

  box-shadow: 0 7px 25px rgba(16,24,40,.04);

  transition: var(--transition);
}

.mid-card::after {
  content: "";

  position: absolute;

  right: -45px;

  bottom: -45px;

  width: 125px;
  height: 125px;

  border-radius: 50%;

  background: var(--primary-soft);

  pointer-events: none;
}

.mid-card:hover {
  transform: translateY(-6px);

  border-color: var(--primary);

  box-shadow: var(--shadow);
}

.mid-card-top {
  display: flex;

  align-items: center;

  justify-content: space-between;
}

.mid-label {
  color: var(--primary);

  font-size: 10px;

  font-weight: 800;

  letter-spacing: 1.5px;
}

.status {
  padding: 5px 8px;

  border-radius: 20px;

  font-size: 9px;

  font-weight: 700;
}

.status.pending {
  color: var(--muted);

  background: var(--bg);
}

.status.done {
  color: #067647;

  background: #ecfdf3;
}

.mid-number {
  position: absolute;

  top: 48px;

  right: 20px;

  color: var(--primary-soft);

  font-size: 70px;

  font-weight: 800;

  line-height: 1;

  pointer-events: none;
}

.mid-card h3 {
  position: relative;

  margin: 38px 0 6px;

  font-size: 28px;

  letter-spacing: -1px;
}

.mid-card p {
  position: relative;

  margin: 0;

  color: var(--muted);

  font-size: 11px;
}

.mid-bottom {
  position: absolute;

  left: 23px;

  right: 23px;

  bottom: 20px;

  z-index: 2;

  display: flex;

  align-items: center;

  justify-content: space-between;
}

.mid-bottom strong {
  font-size: 29px;
}

.mid-bottom span {
  color: var(--muted);

  font-size: 11px;
}

.open-mid {
  padding: 8px 11px;

  color: var(--primary);

  background: var(--primary-soft);

  border: 0;

  border-radius: 10px;

  font-size: 10px;

  font-weight: 800;
}


/* =====================================================
   ABOUT
===================================================== */

.about-section {
  margin-top: 60px;

  padding: 28px;

  display: flex;

  gap: 18px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 23px;
}

.about-symbol {
  width: 50px;
  height: 50px;

  flex-shrink: 0;

  display: grid;

  place-items: center;

  color: var(--primary);

  background: var(--primary-soft);

  border-radius: 15px;

  font-size: 25px;

  font-weight: 800;
}

.about-section h2 {
  margin: 0 0 7px;

  font-size: 24px;
}

.about-section p {
  max-width: 750px;

  margin: 0;

  color: var(--muted);

  line-height: 1.7;

  font-size: 13px;
}


/* =====================================================
   FOOTER
===================================================== */

.footer {
  padding: 35px 5%;

  display: flex;

  align-items: center;

  justify-content: space-between;

  flex-wrap: wrap;

  gap: 20px;

  color: var(--muted);

  border-top: 1px solid var(--border);

  font-size: 11px;
}

.footer strong {
  color: var(--text);

  font-size: 14px;
}

.footer p {
  margin: 4px 0 0;
}

.footer-links {
  display: flex;

  flex-wrap: wrap;

  gap: 14px;
}

.footer-links button {
  padding: 0;

  color: var(--muted);

  background: transparent;

  border: 0;

  font-size: 11px;
}

.footer-links button:hover {
  color: var(--primary);
}

.copyright {
  width: 100%;
}


/* =====================================================
   MODALS
===================================================== */

.modal {
  position: fixed;

  inset: 0;

  z-index: 100;

  padding: 18px;

  display: grid;

  place-items: center;

  background: rgba(16,24,40,.48);

  backdrop-filter: blur(8px);

  animation: fadeIn .2s ease;
}

.modal-card {
  position: relative;

  width: min(560px, 100%);

  max-height: 90vh;

  overflow-y: auto;

  padding: 28px;

  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 25px;

  box-shadow: var(--shadow);

  animation: modalIn .3s ease;
}

.modal-close {
  position: absolute;

  top: 15px;

  right: 15px;

  width: 35px;

  height: 35px;

  color: var(--muted);

  background: var(--bg);

  border: 0;

  border-radius: 10px;

  font-size: 20px;
}

.modal-card h2 {
  margin: 0 0 5px;

  font-size: 29px;
}

.modal-card > p {
  margin-top: 0;

  color: var(--muted);

  font-size: 12px;
}


/* =====================================================
   RESULT
===================================================== */

.result-score {
  margin: 18px 0;

  padding: 18px;

  color: var(--primary);

  background: var(--primary-soft);

  border-radius: 17px;
}

.result-score span {
  display: block;

  font-size: 10px;

  font-weight: 700;
}

.result-score strong {
  font-size: 37px;
}

.result-score small {
  color: var(--muted);

  font-size: 11px;
}

.subject-preview {
  overflow: hidden;

  border: 1px solid var(--border);

  border-radius: 15px;
}

.subject-row {
  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 12px 14px;

  border-bottom: 1px solid var(--border);

  font-size: 12px;
}

.subject-row:last-child {
  border-bottom: 0;
}

.subject-row span {
  color: var(--muted);
}

.subject-row b {
  color: var(--primary);
}

.not-included {
  margin-left: 5px;

  color: #d92d20;

  font-size: 9px;
}

.modal-actions,
.edit-actions {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 10px;

  margin-top: 18px;
}


/* =====================================================
   SUBJECT EDITING
===================================================== */

.subject-fields {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 10px;

  margin-top: 15px;
}

.subject-box {
  padding: 13px;

  background: var(--bg);

  border: 1px solid var(--border);

  border-radius: 15px;
}

.subject-box label {
  display: block;

  margin-bottom: 7px;

  font-size: 11px;

  font-weight: 700;
}

.subject-box input {
  margin-bottom: 9px;
}

.include-label {
  display: flex !important;

  align-items: center;

  gap: 6px;

  color: var(--muted);

  font-size: 9px !important;

  font-weight: 500 !important;
}

.include-label input {
  width: 15px;

  height: 15px;

  margin: 0;

  accent-color: var(--primary);
}


/* =====================================================
   SETTINGS
===================================================== */

.setting-group {
  margin-top: 20px;
}

.setting-group label {
  display: block;

  margin-bottom: 7px;

  font-size: 12px;

  font-weight: 700;
}

.setting-switch {
  margin-top: 15px;

  padding: 13px 0;

  display: flex;

  align-items: center;

  justify-content: space-between;

  border-top: 1px solid var(--border);

  cursor: pointer;
}

.setting-switch strong,
.setting-switch small {
  display: block;
}

.setting-switch strong {
  font-size: 12px;
}

.setting-switch small {
  margin-top: 3px;

  color: var(--muted);

  font-size: 9px;
}

.setting-switch input {
  display: none;
}

.switch {
  position: relative;

  width: 47px;

  height: 26px;

  border-radius: 20px;

  background: var(--border);

  transition: .25s;
}

.switch::after {
  content: "";

  position: absolute;

  top: 4px;

  left: 4px;

  width: 18px;

  height: 18px;

  background: white;

  border-radius: 50%;

  transition: .25s;
}

.setting-switch input:checked + .switch {
  background: var(--primary);
}

.setting-switch input:checked + .switch::after {
  transform: translateX(21px);
}


/* =====================================================
   DARK MODE
===================================================== */

body.dark {
  --bg: #0b1020;

  --card: #111827;

  --text: #f8fafc;

  --muted: #98a2b3;

  --border: #263244;
}

body.dark .app-header {
  background: rgba(17,24,39,.9);
}

body.dark input,
body.dark select {
  background: #0f172a;
}

body.dark .status.done {
  color: #6ce9a6;

  background: rgba(18,183,106,.12);
}


/* =====================================================
   COMPACT
===================================================== */

body.compact .mid-card {
  min-height: 190px;

  padding: 18px;
}

body.compact .mid-card h3 {
  margin-top: 25px;

  font-size: 24px;
}


/* =====================================================
   ANIMATIONS
===================================================== */

@keyframes pageIn {
  from {
    opacity: 0;

    transform: translateY(15px);
  }

  to {
    opacity: 1;

    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes modalIn {
  from {
    opacity: 0;

    transform:
      translateY(20px)
      scale(.97);
  }

  to {
    opacity: 1;

    transform:
      translateY(0)
      scale(1);
  }
}

@keyframes menuIn {
  from {
    opacity: 0;

    transform: translateY(-5px);
  }

  to {
    opacity: 1;

    transform: translateY(0);
  }
}


/* =====================================================
   TABLET
===================================================== */

@media(max-width:850px) {

  .mid-grid {
    grid-template-columns: 1fr 1fr;
  }

  .dashboard-hero {
    align-items: flex-start;

    flex-direction: column;
  }

  .student-card {
    width: 100%;
  }

  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .summary-card:last-child {
    grid-column: span 2;
  }
}


/* =====================================================
   MOBILE
===================================================== */

@media(max-width:560px) {

  .app-header {
    padding: 0 16px;
  }

  .brand span {
    display: none;
  }

  .dashboard {
    width: calc(100% - 28px);

    padding: 40px 0;
  }

  .dashboard-hero h1 {
    letter-spacing: -2px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .summary-card:last-child {
    grid-column: auto;
  }

  .mid-grid {
    grid-template-columns: 1fr;
  }

  .mid-card {
    min-height: 220px;
  }

  .subject-fields {
    grid-template-columns: 1fr;
  }

  .modal-actions,
  .edit-actions {
    grid-template-columns: 1fr;
  }

  .two-columns {
    grid-template-columns: 1fr;
  }

  .auth-card,
  .modal-card {
    padding: 22px;
  }

  .profile-menu {
    right: 14px;
    width: calc(100% - 28px);
  }

  .about-section {
    flex-direction: column;
  }

  .footer {
    padding: 30px 16px;
  }

  .start-content h1 {
    letter-spacing: -3px;
  }

  .logo-box {
    width: 90px;
    height: 90px;
  }

  .main-logo {
    width: 62px;
    height: 62px;
  }
}
/* =====================================================
   FIREBASE AUTH — MODERN MOBILE LOGIN / SIGN UP
===================================================== */

#googleButton,
.google-button {
  display: none !important;
}

.firebase-auth-card {
  width: min(520px, 100%);
  padding: 34px 30px 26px;
  border-radius: 30px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255,255,255,.98), rgba(247,250,255,.98));
}

.firebase-auth-card::before {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: var(--primary-soft);
  top: -95px;
  right: -70px;
  pointer-events: none;
}

.firebase-auth-card .auth-logo {
  position: relative;
  z-index: 1;
  box-shadow: 0 10px 30px rgba(23,105,224,.12);
}

.firebase-auth-card .auth-title {
  position: relative;
  z-index: 1;
}

.auth-signup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 12px;
}

.auth-signup-grid .input-group:first-child,
.auth-signup-grid .input-group:nth-child(2),
.auth-signup-grid .input-group:nth-child(3),
.auth-signup-grid .input-group:nth-child(4) {
  grid-column: span 1;
}

.auth-main-button {
  margin-top: 5px;
  min-height: 52px;
  border-radius: 16px;
  font-size: 14px;
  letter-spacing: .2px;
  box-shadow: 0 12px 24px rgba(23,105,224,.20);
}

.auth-main-button:active {
  transform: scale(.98);
}

.auth-link-button {
  width: 100%;
  min-height: 42px;
  margin-top: 7px;
  border: 0;
  background: transparent;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 12px;
  transition: var(--transition);
}

.auth-link-button:hover {
  background: var(--primary-soft);
}

.auth-link-button.muted {
  color: var(--muted);
}

.auth-message {
  min-height: 18px;
  margin-top: 10px;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
}

.auth-message.error {
  color: #d92d20;
}

.auth-message.success {
  color: #079455;
}

body.dark .firebase-auth-card {
  background: linear-gradient(145deg, #111827, #0f172a);
}

@media(max-width:560px) {
  .firebase-auth-card {
    padding: 26px 20px 20px;
    border-radius: 24px;
  }

  .auth-signup-grid {
    grid-template-columns: 1fr;
  }
}

/* Google-only auth */
.google-auth-card, .profile-setup-card { width:min(520px,100%); }
.google-signin-button {
  width:100%; min-height:56px; margin-top:20px; padding:0 20px;
  display:flex; align-items:center; justify-content:center; gap:12px;
  border:1px solid #d0d5dd; border-radius:16px; background:#fff;
  color:#101828; font-weight:800; box-shadow:0 10px 24px rgba(16,24,40,.08);
  transition:transform .2s ease, box-shadow .2s ease;
}
.google-signin-button:hover { transform:translateY(-2px); box-shadow:0 14px 30px rgba(16,24,40,.12); }
.google-signin-button:disabled { opacity:.65; cursor:wait; }
.google-icon { width:32px; height:32px; display:grid; place-items:center; border-radius:50%; color:#4285f4; font-size:19px; font-weight:900; box-shadow:0 2px 7px rgba(0,0,0,.08); }
.profile-setup-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:18px; }
.profile-setup-grid .full-field { grid-column:1/-1; }
.auth-message { min-height:22px; margin-top:12px; text-align:center; font-size:12px; font-weight:700; }
.auth-message.error { color:#d92d20; }
.auth-message.success { color:#027a48; }
@media(max-width:560px) {
  .profile-setup-grid { grid-template-columns:1fr; }
  .profile-setup-grid .full-field { grid-column:auto; }
}


/* =====================================================
   GOOGLE LOGIN
===================================================== */

.google-login-card {
  text-align: center;
}

.google-logo-wrap {
  margin-left: auto;
  margin-right: auto;
}

.google-login-button {
  width: 100%;
  min-height: 52px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #1f2937;
  background: #fff;
  border: 1px solid #d0d5dd;
  border-radius: 14px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(16,24,40,.06);
  transition: var(--transition);
}

.google-login-button:hover {
  transform: translateY(-2px);
  border-color: #98a2b3;
  box-shadow: 0 10px 24px rgba(16,24,40,.10);
}

.google-login-button:disabled {
  opacity: .7;
  cursor: wait;
  transform: none;
}

.google-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: Arial, sans-serif;
  font-size: 19px;
  font-weight: 800;
  color: #4285f4;
}

.google-security-note {
  margin-top: 18px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  text-align: left;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 13px;
  font-size: 10px;
  line-height: 1.5;
}

.auth-link-button {
  margin-top: 14px;
  padding: 8px 12px;
  color: var(--primary);
  background: transparent;
  border: 0;
  font-size: 12px;
  font-weight: 700;
}

.auth-message {
  min-height: 18px;
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.4;
}

.auth-message.error {
  color: #d92d20;
}

.auth-message.success {
  color: #159447;
}

.profile-setup-card {
  text-align: left;
}

.profile-setup-card .auth-title {
  text-align: left;
}

.profile-setup-card .auth-link-button {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* =====================================================
   THANK YOU / PRIVACY
===================================================== */
.thank-you-card {
  text-align: center;
  width: min(520px, 100%);
}

.thank-you-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--primary);
  border-radius: 50%;
  font-size: 34px;
  font-weight: 800;
  box-shadow: 0 14px 35px var(--primary-soft);
}

.privacy-note {
  margin: 22px 0 14px;
  padding: 16px;
  display: grid;
  gap: 6px;
  text-align: left;
  background: var(--primary-soft);
  border: 1px solid var(--border);
  border-radius: 15px;
}

.privacy-note strong { font-size: 13px; }
.privacy-note span { color: var(--muted); font-size: 11px; line-height: 1.5; }

.thank-you-card .primary-button,
.thank-you-card .secondary-button { margin-top: 10px; }

.email-note {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

/* Local-only privacy note */
.device-data-note {
  margin: 14px 0 4px;
  padding: 12px 14px;
  border-radius: 13px;
  background: var(--primary-soft);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}