:root {
  --bg: #eef5ff;
  --panel: #d9e7fa;
  --card: #ffffff;
  --card-soft: #f2f7ff;
  --primary: #589ff8;
  --primary-dark: #26476d;
  --text: #24364d;
  --muted: #5f7390;
  --line: #c8d5e9;
  --success-bg: #ddf4e7;
  --success: #1f8c4b;
  --warn: #d48322;
  --danger: #bb3a31;
  --radius-xl: 22px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(43, 77, 117, 0.1);
  --nav-height: 58px;
  --safe-bottom: env(safe-area-inset-bottom, 0);
}

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

html,
body {
  min-height: 100%;
}

body {
  font-family: "Tajawal", sans-serif;
  direction: rtl;
  background: var(--bg);
  color: var(--text);
}

.screen {
  display: none;
  min-height: 100vh;
  flex-direction: column;
  background: var(--panel);
  padding-bottom: calc(var(--nav-height) + var(--safe-bottom));
}

.screen.active {
  display: flex;
}

.screen.no-nav {
  padding-bottom: 0;
}

#screen-splash {
  align-items: center;
  justify-content: center;
  background: #f4f8ff;
}

.splash-content {
  text-align: center;
}

.splash-logo {
  width: 120px;
  height: auto;
  margin: 0 auto 8px;
}

.splash-title {
  color: #2d5383;
  font-weight: 700;
}

#screen-login {
  justify-content: center;
  padding: 16px;
}

.login-container {
  background: #f7fbff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 14px;
  box-shadow: var(--shadow);
}

.login-illustration {
  background: #adc4e1;
  border-radius: 14px;
  height: 120px;
  margin-bottom: 10px;
  overflow: hidden;
}

.family-illustration {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.login-headline {
  font-size: 15px;
  font-weight: 700;
  color: #324f75;
  margin-bottom: 10px;
  text-align: center;
}

.login-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.auth-form.hidden,
.hidden {
  display: none !important;
}

.social-divider {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin: 10px 0 8px;
}

.social-login {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.social-btn {
  width: 38px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #2f4f77;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  text-decoration: none;
}

.social-btn img {
  width: 16px;
  height: 16px;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-outline {
  background: #fff;
  color: #3a5b87;
  border: 1px solid #b9cbe3;
}

.btn-block {
  width: 100%;
}

.btn-large {
  height: 42px;
}

.btn-sm {
  font-size: 12px;
  padding: 7px 10px;
}

.btn-link {
  border: 0;
  background: transparent;
  color: #5078ad;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}

.input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
  font: inherit;
  font-size: 13px;
}

.checkbox-label {
  color: var(--muted);
  font-size: 12px;
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

.app-header,
.page-header {
  min-height: 58px;
  background: var(--panel);
  border-bottom: 1px solid #d0def2;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-header h1,
.app-header h1 {
  font-size: 17px;
  color: #2d4465;
}

.icon-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn img {
  width: 16px;
  height: 16px;
  opacity: 0.8;
}

.back-btn img {
  transform: scaleX(-1);
}

.header-title {
  flex: 1;
}

.header-title p {
  margin-top: 2px;
  font-size: 12px;
  color: #5c7394;
}

.avatar-image {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid #c8d8ed;
}

.app-main,
.upload-main,
.analysis-main,
.library-main,
.profile-main {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}

.card {
  background: #fff;
  border: 1px solid #c6d5e8;
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 8px;
  box-shadow: 0 1px 3px rgba(34, 71, 110, 0.08);
}

.card h3 {
  font-size: 14px;
  color: #2f4d74;
  margin-bottom: 6px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.card-head span,
.info-text,
.card p,
.case-item p {
  font-size: 12px;
  color: #5c7394;
}

.guide-tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.guide-tile {
  background: #edf3fd;
  border: 1px solid #d3dff0;
  border-radius: 10px;
  padding: 8px 4px;
  text-decoration: none;
  color: #37557d;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.guide-tile img {
  width: 22px;
  height: 22px;
}

.security-card {
  display: flex;
  gap: 8px;
  align-items: center;
}

.upload-instruction {
  font-size: 16px;
  color: #2f4d74;
  font-weight: 700;
  margin-bottom: 4px;
}

.upload-desc {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}

.upload-zone {
  border: 2px dashed #a8c0df;
  border-radius: 12px;
  background: #f4f8ff;
  padding: 16px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  margin-bottom: 10px;
  cursor: pointer;
}

.upload-zone.dragover {
  background: #e7f1ff;
}

.upload-meta {
  font-size: 11px;
  color: #7a8fae;
}

.upload-guidelines h4 {
  color: #2f4d74;
  font-size: 13px;
  margin-bottom: 4px;
}

.upload-guidelines ul {
  color: #5c7394;
  font-size: 12px;
  padding-right: 16px;
}

.analysis-hero {
  height: 120px;
  margin-bottom: 8px;
  border-radius: 12px;
  overflow: hidden;
  background: #0d1322;
}

.analysis-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.82;
}

.risk-badge {
  background: var(--success-bg);
  color: var(--success);
  border-radius: 999px;
  display: inline-block;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}

.risk-range {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 6px;
}

.risk-seg.low { color: var(--success); }
.risk-seg.medium { color: var(--warn); }
.risk-seg.high { color: var(--danger); }

.risk-bar {
  height: 8px;
  background: #e7edf7;
  border-radius: 10px;
  overflow: hidden;
}

.risk-fill.low {
  height: 100%;
  background: #6ad086;
}

.case-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: start;
  border-top: 1px solid #e1eaf7;
  padding-top: 8px;
  margin-top: 8px;
}

.case-item strong {
  font-size: 13px;
  color: #2f4d74;
}

.library-search-wrap {
  margin-bottom: 8px;
}

.library-search {
  width: 100%;
  border: 1px solid #bccfe5;
  border-radius: 20px;
  height: 30px;
  padding: 0 12px;
  font: inherit;
  background: #edf3fd;
}

.library-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 8px;
}

.library-detail-top {
  margin-bottom: 8px;
}

.tab-btn {
  border: 1px solid #c8d8ed;
  background: #fff;
  color: #506f98;
  border-radius: 7px;
  padding: 7px 6px;
  font-size: 11px;
  font-family: inherit;
  font-weight: 700;
}

.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.library-disease-detail h2 {
  font-size: 18px;
  color: #ffffff;
  margin: 0;
  position: absolute;
  right: 12px;
  bottom: 10px;
  z-index: 1;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.disease-hero-card {
  position: relative;
  margin-bottom: 12px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(24, 51, 82, 0.14);
}

.disease-hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 0;
}

.library-disease-detail .disease-image {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 0;
  margin-bottom: 0;
}

.library-disease-detail .section.detail-block {
  margin-bottom: 12px;
}

.library-disease-detail .section h4 {
  font-size: 13px;
  color: #1e3453;
  margin-bottom: 6px;
  font-weight: 800;
}

.section-card {
  background: #fff;
  border: 1px solid #c9d7ea;
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 1px 3px rgba(34, 71, 110, 0.07);
}

.library-disease-detail .section p {
  font-size: 12px;
  color: #5c7394;
  line-height: 1.7;
}

.inheritance-card {
  background: #fff;
  border: 1px solid #c9d7ea;
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 1px 3px rgba(34, 71, 110, 0.07);
}

.inheritance-icons {
  display: flex;
  justify-content: space-around;
  margin: 10px 0;
}

.inherit-item {
  text-align: center;
}

.inherit-item img {
  width: 20px;
  height: 20px;
  margin-bottom: 4px;
  opacity: 0.8;
}

.inherit-item span {
  font-size: 11px;
  color: #58739a;
}

.inheritance-prob {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.prob-dot {
  flex: 1;
  text-align: center;
  border-radius: 10px;
  padding: 7px 4px;
}

.prob-dot span {
  display: block;
  font-size: 12px;
  font-weight: 800;
}

.prob-dot small {
  font-size: 10px;
  color: #5d7290;
}

.prob-dot.affected {
  background: #fbe6e6;
  border: 1px solid #efc7c7;
}

.prob-dot.carrier {
  background: #fff2db;
  border: 1px solid #f1ddb3;
}

.prob-dot.healthy {
  background: #e7f7ea;
  border: 1px solid #c8e8cf;
}

.detail-stack {
  display: grid;
  gap: 8px;
}

.detail-row-card {
  background: #fff;
  border: 1px solid #ccd9ec;
  border-radius: 10px;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 1px 3px rgba(34, 71, 110, 0.07);
}

.detail-row-card.risk {
  background: #fff0f0;
  border-color: #efcccc;
}

.detail-row-card strong {
  font-size: 12px;
  color: #314f75;
  font-weight: 700;
}

.detail-row-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #f0f5fd;
  border: 1px solid #cddaf0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-row-icon.action {
  background: #eff7ee;
  border-color: #cfe4ce;
}

.detail-row-icon img {
  width: 14px;
  height: 14px;
  opacity: 0.85;
}

.child-content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.child-card {
  background: #fff;
  border: 1px solid #c9d8ed;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(34, 71, 110, 0.07);
  width: 100%;
  min-height: 240px;
}

.child-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: transparent;
  padding: 0;
}

.child-card p {
  font-size: 11px;
  color: #567193;
  padding: 6px 7px 7px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.library-list .disease-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 0;
  border: 1px solid #c8d8ed;
  border-radius: 10px;
  background: #fff;
  margin-bottom: 7px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(34, 71, 110, 0.08);
}

.disease-card img {
  width: 100%;
  height: 130px;
  border-radius: 0;
  object-fit: cover;
  display: block;
}

.disease-card-body {
  padding: 10px;
}

.disease-card strong {
  font-size: 14px;
  color: #2f4d74;
  display: block;
  margin-bottom: 4px;
}

.disease-card-body p {
  font-size: 12px;
  color: #5c7394;
  line-height: 1.45;
  margin-bottom: 6px;
}

.disease-card-link {
  font-size: 12px;
  color: #3f6ea8;
  font-weight: 700;
  display: inline-block;
}

.disease-card span {
  font-size: 12px;
  color: #607799;
}

.profile-card {
  background: #9fb7d9;
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  margin-bottom: 10px;
}

.profile-avatar-image {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #e7f1ff;
  margin-bottom: 8px;
}

.profile-card h2 {
  font-size: 14px;
  color: #20324c;
}

.profile-card p {
  color: #f5f8ff;
  font-size: 12px;
}

.info-list,
.reports-list {
  list-style: none;
}

.info-list li {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #e4ebf7;
  padding-top: 7px;
  margin-top: 7px;
  font-size: 12px;
}

.info-list span,
.reports-list span {
  color: #5c7394;
}

.reports-list li {
  font-size: 12px;
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  right: 0;
  left: 0;
  height: calc(var(--nav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  border-top: 1px solid #c8d8ed;
  background: #d7e7fc;
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 20;
}

.nav-item {
  width: 40px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-item img {
  width: 18px;
  height: 18px;
  opacity: 0.62;
}

.nav-item.active {
  background: #b9d2f4;
}

.nav-item.active img {
  opacity: 1;
}

@media (min-width: 760px) {
  .screen {
    width: 100%;
    max-width: none;
    border: 0;
    border-radius: 0;
    overflow: visible;
    min-height: 100vh;
  }

  .bottom-nav {
    max-width: none;
    left: 0;
    transform: none;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .app-main,
  .upload-main,
  .analysis-main,
  .library-main,
  .profile-main {
    padding: 16px 20px;
  }

  .login-container {
    width: min(680px, 92vw);
    margin: 0 auto;
  }
}

@media (min-width: 1024px) {
  .app-main,
  .upload-main,
  .analysis-main,
  .library-main,
  .profile-main {
    padding: 20px 32px;
  }

  .library-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .library-list .disease-card {
    margin-bottom: 0;
  }

  .card {
    margin-bottom: 12px;
  }
}