/* Root variables for light and dark themes */
:root {
  --bg-color: #EFE8DC;
  --text-color: #1A1A1A;
  --accent-color: #C16A28;
  --border-color: rgba(26, 26, 26, 0.1);
  --entry-bg: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] {
  --bg-color: #000000;
  --text-color: #E2E8F0;
  --accent-color: #C16A28;
  --border-color: rgba(226, 232, 240, 0.1);
  --entry-bg: rgba(255, 255, 255, 0.02);
}

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

/* Corner button */
.corner-btn {
  position: fixed;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  z-index: 1000;
  margin: 0;
  padding: 0;
}

.corner-btn::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 20px 20px 0;
  border-color: transparent var(--accent-color) transparent transparent;
  opacity: 0.4;
  filter: drop-shadow(-1px 1px 2px rgba(0, 0, 0, 0.15));
  margin: 0;
  padding: 0;
  transition: opacity 0.2s ease;
}

.corner-btn:hover::before {
  opacity: 1;
}

/* Corner button - left side */
.corner-btn-left {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  z-index: 1000;
  margin: 0;
  padding: 0;
}

.corner-btn-left::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: var(--accent-color);
  clip-path: polygon(0 0, 0 20px, 20px 0);
  opacity: 0.4;
  filter: drop-shadow(1px -1px 2px rgba(0, 0, 0, 0.15));
  margin: 0;
  padding: 0;
  transition: opacity 0.2s ease;
}

.corner-btn-left:hover::before {
  opacity: 1;
}

html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  font-family: Georgia, 'Times New Roman', serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.8;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-size: 18px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4rem;
  padding-bottom: 1rem;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-right {
  display: flex;
  gap: 1.5rem;
}

.site-title {
  font-size: 1.8rem;
  font-weight: 400;
  text-decoration: none;
  color: var(--text-color);
  letter-spacing: -0.02em;
  cursor: default;
}

.site-title:hover {
  color: var(--text-color);
}

nav a {
  text-decoration: none;
  color: var(--text-color);
  transition: color 0.2s ease;
  font-size: 1rem;
}

nav a:hover:not(.site-title) {
  color: var(--accent-color);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--text-color);
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  line-height: 0;
}

.theme-toggle:hover {
  color: var(--accent-color);
}

/* Entries */
.entries {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.entry {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.entry:last-child {
  border-bottom: none;
}

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.entry-date {
  font-size: 0.95rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.entry-header .entry-date {
  margin-bottom: 0;
}

.delete-entry-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.4;
  transition: opacity 0.2s ease, color 0.2s ease;
  line-height: 1;
}

.delete-entry-btn:hover {
  opacity: 1;
  color: #d32f2f;
}

.entry-content {
  font-size: 1.05rem;
  line-height: 1.9;
}

.entry-content p {
  margin-bottom: 1.2rem;
}

.entry-content p:last-child {
  margin-bottom: 0;
}

.entry-content h1,
.entry-content h2,
.entry-content h3 {
  margin: 2rem 0 1rem;
  font-weight: 400;
  line-height: 1.3;
}

.entry-content h1 {
  font-size: 1.8rem;
}

.entry-content h2 {
  font-size: 1.5rem;
}

.entry-content h3 {
  font-size: 1.2rem;
}

.entry-content a {
  color: var(--accent-color);
  text-decoration: underline;
  transition: opacity 0.2s ease;
}

.entry-content a:hover {
  opacity: 0.7;
}

.entry-content ul,
.entry-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.entry-content li {
  margin-bottom: 0.5rem;
}

.entry-content blockquote {
  border-left: 3px solid var(--accent-color);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  opacity: 0.9;
}

.entry-content code {
  font-family: 'Courier New', monospace;
  background-color: var(--entry-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}

.entry-content pre {
  background-color: var(--entry-bg);
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.entry-content pre code {
  background: none;
  padding: 0;
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  opacity: 0.6;
  font-style: italic;
}

/* New entry box for admin */
.new-entry-box {
  margin-bottom: 4rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.new-entry-box textarea {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.05rem;
  line-height: 1.9;
  width: 100%;
  min-height: 200px;
  padding: 1rem;
  background-color: var(--entry-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 5px;
  transition: border-color 0.2s ease;
  resize: vertical;
  margin-bottom: 1rem;
}

.new-entry-box textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.new-entry-box textarea::placeholder {
  opacity: 0.5;
  font-style: italic;
}

/* Admin page styles */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.95rem;
  color: var(--accent-color);
}

.form-group input,
.form-group textarea {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  padding: 0.75rem;
  background-color: var(--entry-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 5px;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.form-group textarea {
  min-height: 300px;
  resize: vertical;
  line-height: 1.8;
}

.btn {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  background-color: var(--accent-color);
  color: #FFFFFF;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: opacity 0.2s ease;
  align-self: flex-start;
}

.btn:hover {
  opacity: 0.85;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error-message {
  color: #d32f2f;
  font-size: 0.9rem;
  padding: 0.75rem;
  background-color: rgba(211, 47, 47, 0.1);
  border-radius: 5px;
}

.success-message {
  color: #2e7d32;
  font-size: 0.9rem;
  padding: 0.75rem;
  background-color: rgba(46, 125, 50, 0.1);
  border-radius: 5px;
}

.logout-link {
  color: var(--accent-color);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.95rem;
}

.logout-link:hover {
  opacity: 0.7;
}

/* Responsive design */

/* Tablet styles */
@media (max-width: 1024px) and (min-width: 769px) {
  .container {
    padding: 2.5rem 1.5rem;
  }

  .entry-content {
    font-size: 1.02rem;
  }
}

/* Mobile and tablet portrait */
@media (max-width: 768px) {
  .container {
    padding: 1.5rem 1rem;
  }

  nav {
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .nav-left {
    gap: 0.3rem;
  }

  .site-title {
    font-size: 1.5rem;
  }

  .theme-toggle {
    width: 18px;
    height: 18px;
    padding: 0.2rem;
  }

  .theme-toggle .theme-icon {
    width: 18px;
    height: 18px;
  }

  .entry {
    padding: 1.5rem 0;
  }

  .entry-date {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }

  .entry-header .entry-date {
    margin-bottom: 0;
  }

  .entry-content {
    font-size: 1rem;
    line-height: 1.8;
  }

  .entry-content h1 {
    font-size: 1.5rem;
  }

  .entry-content h2 {
    font-size: 1.3rem;
  }

  .entry-content h3 {
    font-size: 1.1rem;
  }

  .delete-entry-btn {
    width: 28px;
    height: 28px;
    font-size: 1.8rem;
  }

  .new-entry-box {
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
  }

  .new-entry-box textarea {
    font-size: 1rem;
    min-height: 200px;
    padding: 0.75rem;
    border-radius: 5px;
    -webkit-appearance: none;
    resize: vertical;
  }

  .btn {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    width: 100%;
    max-width: none;
    min-height: 44px; /* Touch-friendly minimum */
    border-radius: 5px;
  }

  .login-form {
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .form-group {
    gap: 0.75rem;
  }

  .form-group label {
    font-size: 0.95rem;
  }

  .form-group input {
    font-size: 1rem;
    padding: 0.875rem;
    min-height: 44px; /* Touch-friendly minimum */
    border-radius: 5px;
    -webkit-appearance: none;
  }

  .form-group textarea {
    font-size: 1rem;
    padding: 0.75rem;
    min-height: 200px;
    border-radius: 5px;
    -webkit-appearance: none;
  }

  .entry-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .entry-header .entry-date {
    flex: 1;
    min-width: 0; /* Allow text to wrap */
  }

  .delete-entry-btn {
    flex-shrink: 0;
  }

  .nav-right {
    width: 100%;
    margin-top: 0.5rem;
  }

  .logout-link {
    font-size: 0.9rem;
  }
}

/* Corner / Mind Map page styles */
html:has(.corner-mindmap),
body:has(.corner-mindmap) {
  overflow: hidden;
  height: 100vh;
  width: 100%;
}

.corner-mindmap {
  height: 100vh;
  padding: 3rem;
  position: relative;
  overflow: auto;
  background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mindmap-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: start;
}

.mindmap-goal {
  width: 100%;
}

.goal-text {
  font-family: 'Kalam', 'Comic Sans MS', cursive;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-color);
  display: block;
  padding: 1rem 1.5rem;
  background: var(--entry-bg);
  border-radius: 12px;
  white-space: normal;
  word-wrap: break-word;
  border: 1px solid var(--border-color);
}

.mindmap-empty {
  font-family: 'Kalam', 'Comic Sans MS', cursive;
  font-size: 1.2rem;
  color: var(--text-color);
  text-align: center;
  opacity: 0.5;
  font-style: italic;
  margin-top: 4rem;
}



@media (max-width: 1024px) {
  .mindmap-container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
  }
  
  .goal-text {
    font-size: 1.15rem;
    padding: 0.9rem 1.3rem;
  }
  
  .corner-mindmap {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .corner-mindmap {
    padding: 2rem 1.5rem;
    overflow-y: auto;
    overflow-x: hidden;
    height: auto;
    min-height: 100vh;
  }

  .mindmap-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1rem;
  }
  
  .goal-text {
    font-size: 1.15rem;
    padding: 1rem 1.25rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1.25rem 0.75rem;
  }

  nav {
    margin-bottom: 2rem;
  }

  .site-title {
    font-size: 1.3rem;
  }

  .entry {
    padding: 1.25rem 0;
  }

  .entries {
    gap: 2rem;
  }

  .new-entry-box {
    margin-bottom: 2.5rem;
    padding-bottom: 1.25rem;
  }

  .new-entry-box textarea {
    min-height: 180px;
    font-size: 0.95rem;
    padding: 0.75rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }

  .login-form {
    gap: 1.25rem;
  }

  .form-group input {
    padding: 0.875rem;
    font-size: 1rem;
  }

  .entry-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .delete-entry-btn {
    align-self: flex-end;
  }
}