/* Shared layouts for publication, project, education, and tool cards. */
.publication-list,
.project-grid {
  display: grid;
  gap: 1.25rem;
}

.publication-card {
  display: grid;
  grid-template-columns: minmax(150px, 190px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid #e3e7eb;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(31, 45, 61, 0.06);
}

.publication-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 126px;
  overflow: hidden;
  border: 1px solid #edf0f2;
  border-radius: 10px;
  background: #f8fafc;
}

.publication-visual img {
  display: block;
  width: 100%;
  height: 126px;
  padding: 0.35rem;
  object-fit: contain;
  background: #fff;
}

.publication-placeholder {
  flex-direction: column;
  gap: 0.5rem;
  color: #52667a;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
}

.publication-placeholder i {
  font-size: 2.25rem;
  color: #2962ff;
}

.publication-title {
  margin: 0 0 0.35rem;
  font-size: 1.03rem;
  line-height: 1.35;
}

.publication-content,
.project-card {
  min-width: 0;
}

.publication-title a {
  color: inherit;
}

.publication-authors,
.publication-venue {
  margin-bottom: 0.35rem;
  line-height: 1.5;
}

.publication-venue {
  color: #52667a;
}

.publication-actions,
.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.65rem;
}

.summary-link {
  margin: 1.25rem 0 0;
}

.mobile-navbar a[aria-current="page"] {
  color: #2962ff;
}

.icon-grid,
.tool-grid {
  display: grid;
  gap: 0.9rem;
}

.icon-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.tool-grid {
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
}

.ee-tool-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.icon-card,
.tool-item,
.project-card {
  border: 1px solid #e3e7eb;
  border-radius: 12px;
  background: #fff;
}

.icon-card,
.tool-item {
  display: flex;
  align-items: center;
}

.icon-card {
  gap: 0.8rem;
  padding: 0.9rem;
}

.icon-card img {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  object-fit: contain;
}

.tool-item {
  gap: 0.65rem;
  padding: 0.75rem;
}

.tool-item img {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  object-fit: contain;
}

.tool-item-detailed {
  align-items: flex-start;
  min-height: 104px;
  padding: 1rem;
}

.tool-item-detailed img {
  width: 42px;
  height: 42px;
  flex-basis: 42px;
  padding: 0.4rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(15, 168, 154, 0.12));
}

.tool-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.22rem;
}

.tool-copy strong {
  color: var(--mahdi-ink);
  font-size: 0.94rem;
  line-height: 1.25;
}

.tool-copy small {
  color: #52657d;
  font-size: 0.8rem;
  line-height: 1.45;
}

.project-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.coursework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem;
}

.coursework-card {
  padding: 1rem;
}

.coursework-card h2 {
  margin-bottom: 0.65rem;
  font-size: 1rem;
  line-height: 1.35;
}

.coursework-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.coursework-list li {
  position: relative;
  padding: 0.38rem 0 0.38rem 0.9rem;
  border-top: 1px solid rgba(76, 102, 138, 0.12);
  color: #43546b;
  font-size: 0.82rem;
  line-height: 1.4;
}

.coursework-list li::before {
  content: "";
  position: absolute;
  top: 0.8rem;
  left: 0;
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mahdi-blue), var(--mahdi-teal));
}

.project-card {
  padding: 1.1rem;
  box-shadow: 0 5px 18px rgba(31, 45, 61, 0.05);
}

.project-card h2,
.project-card h3 {
  margin: 0.2rem 0 0.55rem;
  font-size: 1.08rem;
  line-height: 1.35;
}

.project-card p:last-child,
.project-card ul:last-child {
  margin-bottom: 0;
}

.project-kicker {
  color: #52667a;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.project-tag {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #edf3ff;
  color: #214fba;
  font-size: 0.76rem;
  font-weight: 600;
}

body.dark-mode .publication-card,
body.dark-mode .icon-card,
body.dark-mode .tool-item,
body.dark-mode .project-card {
  border-color: #343b44;
  background: #1b1f24;
  box-shadow: none;
}

body.dark-mode .publication-visual {
  border-color: #343b44;
  background: #252b32;
}

body.dark-mode .publication-title a {
  color: #f2f4f7;
}

body.dark-mode .tool-copy strong {
  color: #edf5ff;
}

body.dark-mode .tool-copy small {
  color: #b8c8dc;
}

body.dark-mode .coursework-list li {
  border-color: rgba(147, 180, 223, 0.14);
  color: #c4d1e2;
}

body.dark-mode .publication-authors,
body.dark-mode .publication-venue,
body.dark-mode .project-kicker {
  color: #b8c2cc;
}

body.dark-mode .project-tag {
  background: #243b63;
  color: #d9e6ff;
}

body.dark-mode .mobile-navbar a[aria-current="page"] {
  color: #8db2ff;
}

@media (max-width: 767.98px) {
  .mobile-navbar ul {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.2rem;
    padding: 0.35rem 0.75rem;
  }

  .mobile-navbar a {
    display: block;
    padding: 0.35rem 0.2rem;
    text-align: center;
  }

  .article-style,
  .publication-content,
  .publication-title,
  .publication-authors,
  .publication-venue,
  .project-card {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .article-style > div[style*="display:flex"] > div {
    min-width: 0;
  }

  .publication-card {
    grid-template-columns: 1fr;
  }

  .publication-visual {
    max-width: 280px;
    min-height: 150px;
  }

  .publication-visual img {
    height: 150px;
  }

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

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

/* Mahdi Ahmadi visual system: crisp technical surfaces with a warm signal accent. */
:root {
  --mahdi-ink: #14213d;
  --mahdi-muted: #5a687c;
  --mahdi-blue: #2563eb;
  --mahdi-teal: #0fa89a;
  --mahdi-gold: #ffbd59;
  --mahdi-paper: #f7f9fd;
  --mahdi-line: rgba(37, 99, 235, 0.14);
  --mahdi-shadow: 0 18px 50px rgba(20, 33, 61, 0.1);
}

body.page-wrapper {
  display: block;
  min-height: 100vh;
  color: var(--mahdi-ink);
  background:
    radial-gradient(circle at 8% 15%, rgba(15, 168, 154, 0.08), transparent 28rem),
    radial-gradient(circle at 92% 8%, rgba(37, 99, 235, 0.09), transparent 30rem),
    var(--mahdi-paper);
}

.page-header.header--fixed {
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar {
  min-height: 70px;
  height: auto;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(20, 33, 61, 0.08);
  background: rgba(255, 255, 255, 0.88) !important;
  box-shadow: 0 10px 30px rgba(20, 33, 61, 0.06);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.navbar .container-xl {
  max-width: 1180px;
}

.navbar-brand {
  display: inline-flex;
  gap: 0.7rem;
  align-items: center;
  color: var(--mahdi-ink) !important;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.navbar-brand::before {
  content: "M";
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, #142b58, var(--mahdi-blue) 58%, var(--mahdi-teal));
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
  font-size: 1rem;
  font-weight: 900;
}

.navbar .theme-toggle {
  top: auto;
  left: auto;
  margin-left: 2.25rem;
  margin-right: 2rem;
}

.navbar .navbar-nav {
  gap: 0.18rem;
  align-items: center;
}

.navbar .navbar-nav .nav-link {
  padding: 0.48rem 0.7rem;
  border-radius: 999px;
  color: #43536a;
  font-weight: 650;
  transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.navbar .navbar-nav .nav-link:hover {
  color: var(--mahdi-blue);
  background: rgba(37, 99, 235, 0.08);
  transform: translateY(-1px);
}

.navbar .navbar-nav .nav-link.active,
.navbar .navbar-nav .nav-link[aria-current="page"] {
  color: #fff !important;
  background: linear-gradient(135deg, var(--mahdi-blue), #3158d5 58%, var(--mahdi-teal));
  box-shadow: 0 7px 18px rgba(37, 99, 235, 0.22);
}

.mobile-navbar {
  border-bottom: 1px solid rgba(20, 33, 61, 0.08);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 22px rgba(20, 33, 61, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mobile-navbar a {
  border-radius: 9px;
  color: #43536a;
}

.mobile-navbar a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(135deg, var(--mahdi-blue), var(--mahdi-teal));
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.18);
}

body .home-section {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.8);
}

body .home-section:nth-of-type(even) {
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.035), rgba(15, 168, 154, 0.045)),
    #f4f7fc;
}

body #about {
  position: relative;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0 !important;
  background:
    radial-gradient(circle at 14% 24%, rgba(15, 168, 154, 0.14), transparent 25rem),
    radial-gradient(circle at 86% 12%, rgba(37, 99, 235, 0.15), transparent 30rem),
    linear-gradient(145deg, #f8fbff, #eef4ff 56%, #effcf9) !important;
}

#about .container {
  position: relative;
  z-index: 1;
}

#about .container::before,
#about .container::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  pointer-events: none;
}

#about .container::before {
  top: -3.5rem;
  right: 5%;
  width: 8rem;
  height: 8rem;
  border: 1px solid rgba(37, 99, 235, 0.16);
}

#about .container::after {
  bottom: -2.5rem;
  left: 27%;
  width: 1rem;
  height: 1rem;
  background: var(--mahdi-gold);
  box-shadow: 0 0 0 9px rgba(255, 189, 89, 0.14);
}

#about .row {
  align-items: center;
}

#about .col-lg-8 {
  padding: clamp(1.5rem, 3vw, 2.6rem);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--mahdi-shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

#about h1 {
  margin-bottom: 1rem;
  color: var(--mahdi-ink);
  background: linear-gradient(115deg, var(--mahdi-ink), var(--mahdi-blue) 58%, var(--mahdi-teal));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(2.25rem, 5vw, 3.55rem);
  font-weight: 750;
  letter-spacing: -0.045em;
}

#about .article-style {
  padding: 0;
}

#about .article-style p {
  color: #33445b;
  line-height: 1.75;
  text-align: left !important;
}

#profile {
  padding-top: 0;
}

#profile-pic {
  width: 184px;
  height: 184px;
  border: 6px solid #fff;
  box-shadow:
    0 0 0 5px rgba(37, 99, 235, 0.14),
    0 20px 45px rgba(20, 33, 61, 0.2);
}

.terminal-window {
  width: 100%;
  max-width: 390px;
  border: 1px solid rgba(15, 168, 154, 0.28);
  border-radius: 15px;
  box-shadow: 0 20px 45px rgba(20, 33, 61, 0.2);
  transform: rotate(-0.6deg);
}

.terminal-header {
  background: linear-gradient(90deg, #172238, #263753);
}

.terminal-body {
  background:
    linear-gradient(rgba(15, 168, 154, 0.035) 1px, transparent 1px),
    #101827;
  background-size: 100% 1.45rem;
}

.network-icon {
  gap: 0.55rem;
}

.network-icon li a {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 12px;
  color: var(--mahdi-ink);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 20px rgba(20, 33, 61, 0.08);
  transition: transform 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.network-icon li a:hover {
  color: var(--mahdi-blue);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.16);
  transform: translateY(-3px);
}

.section-heading h1 {
  position: relative;
  color: var(--mahdi-ink);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.section-heading h1::after {
  content: "";
  display: block;
  width: 52px;
  height: 5px;
  margin-top: 0.75rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mahdi-blue), var(--mahdi-teal), var(--mahdi-gold));
}

.wg-features .article-style > div[style*="display:flex"] {
  padding: 1rem;
  border: 1px solid var(--mahdi-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 9px 26px rgba(20, 33, 61, 0.06);
}

.wg-features .article-style > div[style*="display:flex"] > img {
  padding: 0.25rem;
  border-radius: 12px;
  background: #fff;
}

.wg-features .article-style > ul {
  padding: 1.2rem 1.25rem 1.2rem 2.4rem;
  border: 1px solid var(--mahdi-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 9px 26px rgba(20, 33, 61, 0.06);
}

.publication-card,
.project-card,
.icon-card,
.tool-item,
.pub-list-item {
  position: relative;
  border-color: var(--mahdi-line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 34px rgba(20, 33, 61, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.publication-card,
.project-card {
  overflow: hidden;
  border-radius: 19px;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--mahdi-blue), var(--mahdi-teal));
}

.publication-card:hover,
.project-card:hover,
.icon-card:hover,
.tool-item:hover {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: 0 18px 44px rgba(20, 33, 61, 0.13);
  transform: translateY(-4px);
}

.publication-visual {
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(15, 168, 154, 0.06)),
    #fff;
}

.publication-title a,
.project-card h2,
.project-card h3 {
  color: var(--mahdi-ink);
}

.project-kicker,
.publication-venue {
  color: #53708f;
}

.project-tag {
  background: linear-gradient(135deg, #edf3ff, #e9fbf8);
  color: #194b91;
}

.pub-list-item {
  margin-bottom: 0.85rem !important;
  padding: 1rem 1rem 1rem 1.15rem;
  border: 1px solid var(--mahdi-line);
  border-left: 4px solid var(--mahdi-blue);
  border-radius: 14px;
}

a {
  color: #1764cf;
}

.btn {
  border-radius: 999px;
  font-weight: 650;
}

.btn-primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--mahdi-blue), #3158d5 55%, var(--mahdi-teal));
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.2);
}

.btn-outline-primary {
  border-color: rgba(37, 99, 235, 0.4);
  color: #1f5fc4;
  background: rgba(255, 255, 255, 0.72);
}

.btn-outline-primary:hover {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, var(--mahdi-blue), var(--mahdi-teal));
}

body.dark-mode.page-wrapper {
  color: #dce7f5;
  background:
    radial-gradient(circle at 10% 8%, rgba(15, 168, 154, 0.12), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(37, 99, 235, 0.15), transparent 30rem),
    #07111f;
}

body.dark-mode .container,
body.dark-mode .container-xl {
  background: transparent !important;
}

body.dark-mode .navbar {
  border-bottom-color: rgba(147, 180, 223, 0.12);
  background: rgba(7, 17, 31, 0.9) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

body.dark-mode .navbar-brand,
body.dark-mode .navbar .navbar-nav .nav-link {
  color: #dce7f5 !important;
}

body.dark-mode .navbar .navbar-nav .nav-link:hover {
  color: #8fc9ff !important;
  background: rgba(95, 150, 255, 0.12);
}

body.dark-mode .mobile-navbar {
  border-bottom-color: rgba(147, 180, 223, 0.12);
  background: rgba(7, 17, 31, 0.95);
}

body.dark-mode .mobile-navbar a {
  color: #c6d5e8;
}

body.dark-mode .mobile-navbar a[aria-current="page"] {
  color: #fff !important;
}

body.dark-mode .home-section,
body.dark-mode .home-section:nth-of-type(even) {
  background: rgba(10, 24, 43, 0.84);
}

body.dark-mode .section-heading,
body.dark-mode .article-style,
body.dark-mode .wg-collection {
  background: transparent !important;
}

body.dark-mode #about {
  background:
    radial-gradient(circle at 14% 24%, rgba(15, 168, 154, 0.16), transparent 25rem),
    radial-gradient(circle at 86% 12%, rgba(37, 99, 235, 0.2), transparent 30rem),
    #0a182b !important;
}

body.dark-mode #about .col-lg-8,
body.dark-mode .wg-features .article-style > div[style*="display:flex"],
body.dark-mode .wg-features .article-style > ul,
body.dark-mode .publication-card,
body.dark-mode .project-card,
body.dark-mode .icon-card,
body.dark-mode .tool-item,
body.dark-mode .pub-list-item {
  border-color: rgba(147, 180, 223, 0.16);
  background: rgba(13, 31, 54, 0.88);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.2);
}

body.dark-mode #about h1,
body.dark-mode .section-heading h1,
body.dark-mode .publication-title a,
body.dark-mode .project-card h2,
body.dark-mode .project-card h3 {
  color: #edf5ff;
  -webkit-text-fill-color: initial;
}

body.dark-mode #about .article-style p,
body.dark-mode .article-style,
body.dark-mode .publication-authors,
body.dark-mode .publication-venue,
body.dark-mode .project-kicker {
  color: #bdcce0;
}

body.dark-mode .network-icon li a {
  border-color: rgba(147, 180, 223, 0.16);
  color: #dce7f5;
  background: rgba(13, 31, 54, 0.9);
}

body.dark-mode .project-tag {
  color: #cfe2ff;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(15, 168, 154, 0.2));
}

body.dark-mode .btn-outline-primary {
  border-color: rgba(120, 172, 255, 0.48);
  color: #9ec6ff;
  background: rgba(8, 21, 38, 0.6);
}

@media (max-width: 991.98px) {
  .navbar {
    min-height: 58px;
  }

  .navbar-brand::before {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  body #about {
    padding: 3.5rem 0 4.5rem !important;
  }

  #about .col-lg-8 {
    margin-top: 2rem;
  }
}

@media (max-width: 767.98px) {
  body .home-section {
    padding: 3.5rem 0;
  }

  .mobile-navbar ul {
    gap: 0.35rem;
    padding: 0.45rem 0.7rem;
  }

  .mobile-navbar a {
    font-size: 0.78rem;
  }

  .home-section .section-heading {
    align-items: flex-start !important;
    text-align: left;
  }

  .section-heading h1 {
    font-size: 2rem;
  }

  #about .col-lg-8 {
    padding: 1.35rem;
    border-radius: 20px;
  }

  #profile-pic {
    width: 164px;
    height: 164px;
  }

  .terminal-window {
    max-width: 360px;
  }

  .publication-card,
  .project-card {
    border-radius: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .publication-card,
  .project-card,
  .icon-card,
  .tool-item,
  .navbar .navbar-nav .nav-link,
  .network-icon li a {
    transition: none;
  }

  .terminal-window {
    transform: none;
  }
}