/* Global Styles */
:root {
  --white: #ffffff;
  --black: #000000;
  --cream: #fff8f1;
  --tan: #e0be9a;
  --brown-dark: #5b4d43;
  --brown-light: #a2672d;

  /* Fonts */
  --font-title: 'Fahkwang', sans-serif;
  --font-body: 'Helvetica', sans-serif;
}

body {
  font-family: var(--font-body);
  color: var(--brown-dark);
  background-color: var(--cream);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Headers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--brown-dark);
  margin: 0;
  padding: 0.5em 0;
  text-align: center;
  width: 100%;
}

h1 {
  font-size: 2.5rem;
  color: var(--brown-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 800px;
  margin: 1em auto;
  padding: 0 20px;
}

h2 {
  font-size: 2rem;
  margin: 1em 0;
}

h3 {
  font-size: 1.75rem;
  margin: 0.75em 0;
}

/* Links */
a {
  text-decoration: none;
  color: var(--brown-light);
}

a:hover {
  color: var(--tan);
}

/* Navigation Links */
.nav-link {
  display: inline-block;
  padding: 0.8em 1.5em;
  color: var(--brown-light);
  border: 2px solid var(--brown-light);
  border-radius: 4px;
  transition: all 0.3s ease;
  font-weight: bold;
  background-color: var(--white);
}

.nav-link:hover {
  background-color: var(--brown-light);
  color: var(--white);
  text-decoration: none;
}

/* Container Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2em;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  gap: 2em;
}

/* Steps Section */
.steps-section {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.step {
  width: 100%;
  margin-bottom: 2em;
}

.filename-section {
  width: 100%;
  display: flex;
  gap: 1em;
  align-items: center;
  margin-bottom: 1em;
}

.filename-input {
  flex: 1;
  padding: 0.8em;
  border: 1px solid var(--tan);
  border-radius: 4px;
  font-size: 1em;
}

.upload-section {
  width: 100%;
  display: flex;
  gap: 1em;
  align-items: center;
}

.upload-button {
  padding: 0.8em 1.5em;
  background-color: var(--brown-light);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  transition: all 0.3s ease;
}

.upload-button:hover {
  background-color: var(--brown-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.button {
  padding: 0.8em 1.5em;
  background-color: var(--brown-light);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  transition: all 0.3s ease;
}

.button:hover {
  background-color: var(--brown-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Header */
.header {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(100px, 1fr) minmax(200px, auto) minmax(100px, 1fr);
  align-items: center;
  margin-bottom: 30px;
  padding: 20px 0;
  border-bottom: 2px solid var(--tan);
  gap: 2em;
  min-height: 80px;
}

.header-left {
  grid-column: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.header-right {
  grid-column: 3;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-right: 20px;
  width: 100%;
}

/* Empty first column to maintain grid balance */
.header::before {
  content: '';
  grid-column: 1;
  width: 100%;
}

.logo {
  height: 60px;
  width: auto;
  display: block;
  margin: 0 auto;
}

/* Home Page Styles */
.welcome-section {
  text-align: center;
  padding: 2em;
  max-width: 800px;
  margin: 0 auto;
}

.home-title {
  font-size: 3rem;
  color: var(--brown-light);
  text-align: center;
  margin-bottom: 0.5em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dashboard-title {
  font-size: 2.5rem;
  color: var(--brown-dark);
  text-align: center;
  margin-bottom: 2em;
}

/* Login Message */
.login-message {
  font-family: var(--font-title);
  font-size: 2.5rem;
  color: var(--brown-light);
  text-align: center;
  margin: 2em auto;
  max-width: 800px;
  line-height: 1.4;
  font-weight: bold;
}

.button-group {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 3em;
  flex-wrap: wrap;
}

.home-button {
  display: inline-block;
  text-decoration: none;
  font-size: 1.5rem;
  padding: 1em 2em;
  min-width: 200px;
  text-align: center;
  background-color: var(--tan);
  color: var(--white);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.home-button:hover {
  background-color: var(--brown-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Content Areas */
.static-content, .dynamic-content {
  overflow-y: auto;
  min-height: 1200px;
  padding: 2em;
  background: var(--white);
  border: 1px solid var(--tan);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.static-content {
  flex: 0 0 auto;
  background-color: var(--cream);
}

.dynamic-content {
  flex: 1;
  margin-top: 2em;
  background-color: var(--cream);
}

/* Model Results Section */
.model-results {
  min-height: 1100px;
  padding: 20px;
  margin-top: 2em;
  background-color: var(--cream);
  overflow: visible;
  padding-bottom: 3em;
}

.model-results h2 {
  color: var(--brown-light);
  margin: 1.5em 0 1em;
  text-align: left;
  font-weight: bold;
}

/* Tables */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: 2em;
  table-layout: fixed;
  border: 3px solid var(--brown-light);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Table Cells */
td, th {
  padding: 1.2em;
  border: 1px solid var(--tan);
  vertical-align: middle;
  height: auto;
  text-align: left;
}

td {
  white-space: normal;
  word-wrap: break-word;
  min-height: 4em;
  background-color: var(--white);
  border-bottom: 1px solid var(--tan);
  color: var(--brown-dark);
  font-weight: 500;
}

th {
  background-color: var(--cream);
  font-weight: bold;
  white-space: nowrap;
  vertical-align: middle;
  border-bottom: 2px solid var(--brown-light);
  text-transform: uppercase;
  font-size: 0.9em;
  letter-spacing: 0.05em;
  color: var(--brown-dark);
}

/* Add border to last cell in each row */
td:last-child, th:last-child {
  border-right: none;
}

/* Add border to first cell in each row */
td:first-child, th:first-child {
  border-left: none;
}

/* Table Rows */
tr {
  height: 4em;
  line-height: 1.5;
}

tr:hover td {
  background-color: var(--cream);
  cursor: pointer;
}

tr.selected td {
  background-color: var(--tan);
  color: var(--white);
}

tr.selected:hover td {
  background-color: var(--tan);
}

/* Remove bottom border from last row */
tr:last-child td {
  border-bottom: none;
}

/* Text Column Styling */
.results-table td:nth-child(2),
#cancerModelTable td:nth-child(2),
#diabetesModelTable td:nth-child(2) {
  min-width: 300px;
  max-width: 500px;
  white-space: normal;
  word-wrap: break-word;
  line-height: 1.5;
}

/* Table Containers */
.results-table,
#cancerModelTable,
#diabetesModelTable {
  margin-bottom: 40px;
  width: 100%;
  overflow-x: auto;
  display: block;
  border: 3px solid var(--brown-light);
  border-radius: 8px;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Results Container */
.results-container {
  display: none;
  margin-top: 20px;
  background-color: var(--cream);
  border: 1px solid var(--tan);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 2em;
}

/* Predict Page Step 4 */
#step4 {
  overflow: visible;
  height: auto;
  min-height: 800px;
  background-color: var(--cream);
}

/* Specific column widths for retrieve page */
#runsTable th:nth-child(1), #runsTable td:nth-child(1) { width: 25%; }
#runsTable th:nth-child(2), #runsTable td:nth-child(2) { width: 25%; }
#runsTable th:nth-child(3), #runsTable td:nth-child(3) { width: 15%; }
#runsTable th:nth-child(4), #runsTable td:nth-child(4) { 
  width: 10%; 
  text-align: center;
}
#runsTable th:nth-child(5), #runsTable td:nth-child(5) { 
  width: 25%; 
  text-align: center;
}

/* Date Range Controls */
.date-range {
  margin: 2em 0;
  display: flex;
  align-items: center;
  gap: 1em;
  justify-content: flex-start;
}

.date-range input {
  padding: 0.8em;
  border: 1px solid var(--tan);
  border-radius: 4px;
  font-size: 1em;
}

.date-range input:focus {
  outline: none;
  border-color: var(--brown-light);
  box-shadow: 0 0 5px rgba(162, 103, 45, 0.2);
}

.date-range button {
  padding: 0.8em 1.5em;
  background-color: var(--brown-light);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  transition: background-color 0.3s ease;
}

.date-range button:hover {
  background-color: var(--brown-dark);
}

/* Buttons */
.download-btn {
  padding: 0.8em 1.5em;
  background-color: var(--brown-light);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  transition: all 0.3s ease;
  margin: 0 5px;
}

.download-btn:hover {
  background-color: var(--brown-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Error Messages */
.error-message {
  color: #dc3545;
  margin: 1em 0;
  padding: 1em;
  background-color: #fff5f5;
  border-radius: 4px;
  border: 1px solid #dc3545;
  text-align: center;
}

/* Utility Classes */
.hidden {
  display: none;
}

/* Auth Pages (Login/Register) */
.auth-container {
  max-width: 400px;
  margin: 2em auto;
  padding: 2em;
  background-color: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo-container {
  text-align: center;
  margin-bottom: 2em;
}

.logo {
  height: 80px;
  width: auto;
  margin: 0 auto;
}

/* Auth Forms */
.form-group {
  margin-bottom: 1.5em;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.form-group label {
  display: block;
  margin-bottom: 0.5em;
  color: var(--brown-dark);
  font-weight: bold;
}

.form-group input {
  width: 100%;
  padding: 0.8em;
  border: 1px solid var(--tan);
  border-radius: 4px;
  font-size: 1em;
}

.form-group input:focus {
  outline: none;
  border-color: var(--brown-light);
  box-shadow: 0 0 5px rgba(162, 103, 45, 0.2);
}

button[type="submit"] {
  width: 300px;
  padding: 1em;
  background-color: var(--brown-light);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-size: 1em;
  cursor: pointer;
  transition: all 0.3s ease;
  display: block;
  margin: 0 auto;
}

button[type="submit"]:hover {
  background-color: var(--brown-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.error {
  color: #dc3545;
  background-color: #fff5f5;
  padding: 1em;
  border-radius: 4px;
  margin-bottom: 1.5em;
  border: 1px solid #dc3545;
  text-align: center;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

/* Links in Auth Pages */
p {
  text-align: center;
  margin-top: 1.5em;
}

a {
  color: var(--brown-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--brown-dark);
  text-decoration: underline;
}