/* Global Styles */
:root {
  --primary-color: #9032ed;
  --nav-color: #eeb211; /* UAlbany Gold for navbar only */
  --dark-color: #787d82;
  --light-color: #f4f4f4;
  /* distance between fixed navbar and page content (adjustable) */
  --nav-offset: 7.5rem;
  /* consistent right spacing for floating controls */
  --right-offset: 1rem;
  --danger-color: #da1a2d;
  --success-color: #256dfb;
}

/* enable smooth scrolling for anchor links (back-to-top) */
html {
  scroll-behavior: smooth;
}

/* keep anchor targets visible under fixed navbar */
#top {
  scroll-margin-top: var(--nav-offset);
}

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

body {
  font-family: 'Raleway', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  background-color: #fff;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  width: 100%;
}

/* Utilities */
.container {
  max-width: 1100px;
  margin: auto;
  overflow: hidden;
  padding: 0 2rem;
  margin-top: var(--nav-offset);
  margin-bottom: 3rem;
}

@media (min-width: 769px) {
  .container {
    margin-top: calc(var(--nav-offset) + 0.75rem);
  }
}

/* Text Styles*/
.x-large {
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.large {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

.text-primary {
  color: var(--primary-color);
}

.text-dark {
  color: var(--dark-color);
}

/* Padding */
.p {
  padding: 0.5rem;
}
.p-1 {
  padding: 1rem;
}
.p-2 {
  padding: 2rem;
}
.p-3 {
  padding: 3rem;
}
.py {
  padding: 0.5rem 0;
}
.py-1 {
  padding: 1rem 0;
}
.py-2 {
  padding: 2rem 0;
}
.py-3 {
  padding: 3rem 0;
}

/* Margin */
.m {
  margin: 0.5rem;
}
.m-1 {
  margin: 1rem;
}
.m-2 {
  margin: 2rem;
}
.m-3 {
  margin: 3rem;
}
.my {
  margin: 0.5rem 0;
}
.my-1 {
  margin: 1rem 0;
}
.my-2 {
  margin: 2rem 0;
}
.my-3 {
  margin: 3rem 0;
}

.btn {
  display: inline-block;
  background: var(--nav-color);
  color: #fff;
  padding: 0.4rem 1.3rem;
  font-size: 1rem;
  border: 2px solid #fff;
  border-radius: 999px;
  cursor: pointer;
  margin-right: 0.5rem;
  transition: opacity 0.2s ease-in;
  outline: none;
}

.badge {
  font-size: 0.8rem;
  padding: 0.1rem;
  text-align: center;
  margin: 0.3rem;
  background: var(--light-color);
  color: #333;
}

.alert {
  padding: 0.8rem;
  margin: 1rem 0;
  opacity: 0.9;
  background: var(--light-color);
  color: #333;
}

.btn-primary,
.bg-primary,
.badge-primary,
.alert-primary {
  background: var(--primary-color);
  color: #fff;
}

.btn-light,
.bg-light,
.badge-light,
.alert-light {
  background: var(--light-color);
  color: #333;
}

.btn-dark,
.bg-dark,
.badge-dark,
.alert-dark {
  background: var(--dark-color);
  color: #fff;
}

.btn-danger,
.bg-danger,
.badge-danger,
.alert-danger {
  background: var(--danger-color);
  color: #fff;
}

.btn-success,
.bg-success,
.badge-success,
.alert-success {
  background: var(--success-color);
  color: #fff;
}

.btn-white,
.bg-white,
.badge-white,
.alert-white {
  background: #fff;
  color: #333;
  border: #ccc solid 1px;
}

/* Button-only overrides to match the requested color scheme */
.btn-light,
.btn-dark {
  background: var(--nav-color);
  color: #fff;
  border-color: #fff;
}

.btn-primary,
.btn-danger,
.btn-success {
  border-color: #fff;
}

.btn-white {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn:hover {
  opacity: 0.8;
}

.bg-light,
.badge-light {
  border: #ccc solid 1px;
}

.round-img {
  border-radius: 50%;
}

.line {
  height: 1px;
  background: #ccc;
  margin: 1.5rem 0;
}

/* Overlay */
.dark-overlay {
  background-color: rgba(0, 0, 0, 0.7);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Forms */
.form {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  padding: 1.5rem;
  margin-top: 1rem;
}

.form .form-group {
  margin: 1.2rem 0;
}

.form .form-text {
  display: block;
  margin-top: 0.3rem;
  color: #888;
}

.form input[type='text'],
.form input[type='email'],
.form input[type='password'],
.form input[type='date'],
.form select,
.form textarea {
  display: block;
  width: 100%;
  padding: 0.4rem;
  font-size: 1.2rem;
  border: 1px solid #ccc;
}

/* Form validation error states */
.form input[aria-invalid='true'],
.form textarea[aria-invalid='true'] {
  border-color: var(--danger-color);
  background-color: #fff9f9;
}

.error-message {
  display: block;
  color: var(--danger-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  font-weight: 500;
  animation: fadeIn 0.2s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Profile photo upload */
.card {
  border: 1px solid #e0e0e0;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.photo-card {
  border: 1px solid #e0e0e0;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.photo-card-header {
  margin-bottom: 1rem;
}

.photo-card-body {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.profile-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.photo-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.photo-actions-inline {
  margin-bottom: 0.75rem;
}

.photo-input {
  display: none;
}

/* Back-to-top button */
.back-to-top {
  position: fixed;
  right: var(--right-offset);
  bottom: 6.5rem;
  width: 44px;
  height: 44px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  z-index: 1202;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s;
  border: 2px solid #fff;
  background-clip: padding-box;
  text-decoration: none;
  display: inline-flex;
}

.back-to-top:hover {
  opacity: 0.8;
}

/* Ensure form submit buttons are positioned normally and remain clickable */
.form input[type='submit'],
.form button[type='submit'] {
  position: relative;
  display: inline-block;
  z-index: auto;
}

.form .social-input i.fa-linkedin {
  color: #0077b5;
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.table th {
  background: var(--light-color);
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--nav-color);
  padding: 0.7rem 2rem;
  position: fixed;
  z-index: 1;
  width: 100%;
  top: 0;
  border-bottom: solid 1px var(--nav-color);
  opacity: 0.9;
}

.navbar ul {
  display: flex;
}

.navbar a {
  color: #fff;
  padding: 0.45rem;
  margin: 0 0.25rem;
}

/* navbar logo image (replaces fontawesome code icon) */
.nav-logo {
  width: 100px;
  height: auto;
  vertical-align: middle;
  margin-right: 8px;
}

.navbar a:hover {
  color: var(--primary-color);
}

.navbar .welcome span {
  margin-right: 0.6rem;
}

/* Accessible hidden text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* hidden checkbox used for CSS-only mobile nav toggle */
.nav-checkbox {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

/* Nav brand and toggle */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-brand a {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-menu {
  display: flex;
  align-items: center;
}

/* when the nav checkbox is checked, show the mobile menu (no JS required) */
.nav-checkbox:checked ~ .nav-menu {
  display: flex;
}

/* Mobile: collapse the menu into a hamburger-controlled drawer */
@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* inset the hamburger slightly from the right edge for breathing room */
    position: absolute;
    right: var(--right-offset);
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001;
    /* slightly larger touch target on mobile */
    padding: 0.4rem;
  }

  /* make brand full width so the toggle can sit at the far right */
  .nav-brand {
    width: 100%;
  }

  .nav-logo {
    width: 80px;
  }

  .navbar {
    padding: 0.6rem 1rem;
  }

  .nav-menu {
    display: none; /* hidden by default on mobile */
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 999;
    padding: 1rem 0;
    flex-direction: column;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu ul {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .nav-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: #fff;
  }

  /* show the full text (including elements hidden elsewhere with .hide-sm)
     when the menu is expanded in mobile -- users expect labels next to icons */
  .nav-menu .hide-sm {
    display: inline;
  }

  .nav-menu a i {
    margin-right: 0.6rem;
    min-width: 1.1rem;
    text-align: center;
  }

  /* ensure the main content isn't hidden under the menu when it opens */
  .container {
    margin-top: calc(var(--nav-offset) + 0.5rem);
  }
}

/* Landing Page */
.landing {
  position: relative;
  background: url('../img/showcase.jpg') no-repeat center center/cover;
  height: 100vh;
}

.landing-inner {
  color: #fff;
  height: 100%;
  width: 80%;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* add space below the fixed navbar so the landing text isn't hidden */
  padding-top: 10rem;
}

/* Profiles Page */
.profile {
  display: grid;
  grid-template-columns: 2fr 4fr 2fr;
  align-items: center;
  grid-gap: 2rem;
  padding: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* Profile Page */
.profile-grid {
  display: grid;
  grid-template-areas:
    'top top'
    'about about'
    'exp edu'
    'github github';
  grid-gap: 1rem;
}

.profile-top {
  grid-area: top;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.profile-top img {
  width: 250px;
}

.profile-top .icons a {
  color: #fff;
  margin: 0 0.3rem;
}

.profile-top .icons a:hover {
  color: var(--dark-color);
}

.profile-about {
  grid-area: about;
  text-align: center;
}

/* AI Chat widget styles */
/* Legacy chat styles removed - using chat-bot.css instead */

.profile-about .skills {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.profile-exp {
  grid-area: exp;
}

.profile-edu {
  grid-area: edu;
}

.profile-exp h2,
.profile-edu h2 {
  margin-bottom: 1rem;
}

.profile-exp > div,
.profile-edu > div {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: #ccc 1px dotted;
}

.profile-exp > div:last-child,
.profile-edu > div:last-child {
  border: 0;
}

.profile-exp p,
.profile-edu p {
  margin: 0.5rem 0;
}

.profile-github {
  grid-area: github;
}

.profile-github .repo {
  display: flex;
}

.profile-github .repo > div:first-child {
  flex: 7;
  flex-basis: 70%;
}

.profile-github > div:last-child {
  flex: 3;
  flex-basis: 20%;
}

/* Posts Page */

.post img {
  width: 100px;
}

.post .comment-count {
  background: var(--light-color);
  color: var(--primary-color);
  padding: 0.1rem 0.2rem;
  border-radius: 5px;
  font-size: 0.8rem;
}

.post .post-date {
  color: #aaa;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

/* Post interactions styling */
.post button {
  transition: all 0.2s ease;
  cursor: pointer;
  font-size: 1rem;
}

.post button:hover {
  transform: scale(1.05);
}

/* Like button liked state */
.post button.liked {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.post button.liked:hover {
  background: #7a1fa3;
  border-color: #7a1fa3;
}

/* Add visual feedback for liked state animation */
@keyframes likeAnimation {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.post button.liked i {
  animation: likeAnimation 0.3s ease;
}

/* Comments section styling */
.comments {
  margin-top: 2rem;
}

.comments .post {
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.empty-comments {
  text-align: center;
  padding: 2rem;
  color: #999;
}

/* Character counter styling */
.char-counter {
  font-size: 0.85rem;
  color: #666;
  margin-top: 0.5rem;
  transition: color 0.2s ease;
}

.char-counter.warning {
  color: var(--danger-color);
  font-weight: bold;
}

/* Post form styling for mobile */
.post-form {
  margin: 2rem 0;
}

.post-form .bg-primary {
  border-radius: 16px 16px 0 0;
}

.post-form .form {
  border-radius: 0 0 16px 16px;
  margin-top: 0;
}

/* Enhance touch targets for mobile accessibility */
@media (max-width: 768px) {
  .post button {
    min-height: 44px;
    min-width: 44px;
    padding: 0.6rem 1rem;
    font-size: 1.1rem;
  }

  .post-form .form {
    padding: 1rem;
  }

  .post-form .form textarea {
    font-size: 1.1rem;
    padding: 0.6rem;
    min-height: 100px;
  }
}

/* Mobile Styles */
@media (max-width: 700px) {
  .container {
    margin-top: calc(var(--nav-offset) + 0.5rem);
  }

  .hide-sm {
    display: none;
  }

  /* Text Styles */
  .x-large {
    font-size: 3rem;
  }

  .large {
    font-size: 2rem;
  }

  .lead {
    font-size: 1rem;
  }

  /* Navbar */
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* navbar-only color (orange) */
    background: var(--nav-color);
    padding: 0.7rem 2rem;
    position: fixed;
    z-index: 1;
    width: 100%;
    top: 0;
    border-bottom: solid 1px var(--nav-color);
    opacity: 0.9;
  }
  .navbar .welcome {
    display: none;
  }

  /* Profiles Page */
  .profile {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .profile ul {
    display: none;
  }

  /* Profile Page */

  .profile-top img,
  .profile img {
    width: 200px;
    margin: auto;
  }

  .profile-grid {
    grid-template-areas:
      'top'
      'about'
      'exp'
      'edu'
      'github';
  }

  .profile-about .skills {
    flex-direction: column;
  }

  .dash-buttons a {
    display: block;
    width: 100%;
    margin-bottom: 0.2rem;
  }

  .post {
    grid-template-columns: 1fr;
  }
  .post a,
  .post button {
    padding: 0.3rem 0.4rem;
  }
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: #fff;
  text-align: center;
  /* keep the footer band full-bleed like the fixed navbar */
  width: 100%;
  left: 0;
  margin-top: auto;
}

/* align the footer content with the site's .container width */
.footer p {
  max-width: 1100px;
  margin: 0 auto;
  /* add vertical padding so the footer band is taller */
  padding: 3rem 3rem;
  line-height: 1.2; /* use normal line height with padding for vertical spacing */
}

/* Chat: put this into css/style.css (append) */

/* hide real checkbox but keep it usable for label toggles */
.chat-checkbox {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

/* fab toggle (label) */
.chat-fab {
  position: fixed;
  right: var(--right-offset);
  bottom: 20px;
  width: 56px;
  height: 56px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1200;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  /* ensure contrast when overlapping dark sections like the purple footer */
  border: 2px solid #fff;
  background-clip: padding-box;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease;
}
.chat-fab:hover {
  transform: translateY(-3px);
}

/* overlay (hidden by default) */
.chat-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.18s ease,
    visibility 0.18s ease;
  z-index: 1100;
}

/* chat panel base */
.chat-panel {
  position: fixed;
  right: var(--right-offset);
  bottom: 90px;
  width: 360px;
  max-width: calc(100% - 40px);
  height: 480px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s ease;
  z-index: 1201;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Back-to-top button - hidden by default, shown with .show class */
/* .back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 6.5rem; /* sits above chat controls * /
  width: 44px;
  height: 44px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  z-index: 1202;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s;
  border: 2px solid #fff;
  background-clip: padding-box;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
} */

@media (max-width: 420px) {
  :root {
    --right-offset: 0.75rem;
  }

  .back-to-top {
    bottom: 7.5rem;
    width: 40px;
    height: 40px;
  }
}

/* Legacy chat styles removed - using chat-bot.css instead */

/* show state when checkbox is checked */
.chat-checkbox:checked ~ .chat-overlay {
  opacity: 1;
  visibility: visible;
}
.chat-checkbox:checked ~ .chat-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.chat-checkbox:checked ~ .chat-fab {
  transform: scale(0.9);
  opacity: 0.95;
}

/* small utility for screen-reader only text */
.sr-only {
  position: absolute !important;
  left: -9999px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}