/* ============================
   ✅ GLOBAL VARIABLES
   ============================ */
:root,
[data-theme="light"] {
  --primary-color: #00b894;
  --primary-color-hover: #00a383;
  --text-color: #333;
  --background-color: #f9fafb;
  --link-color: #0077cc;
  --link-hover: #005fa3;
  --shadow-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
  --primary-color: #00cec9;
  --primary-color-hover: #00b3af;
  --text-color: #f1f1f1;
  --background-color: #121212;
  --link-color: #81ecec;
  --link-hover: #00cec9;
  --shadow-color: rgba(255, 255, 255, 0.1);
}

/* ============================
   ✅ BASE STYLES
   ============================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', Arial, sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

button,
input[type="submit"],
.create-post-button {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 0.6em 1.2em;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}

button:hover,
input[type="submit"]:hover,
.create-post-button:hover {
  background: var(--primary-color-hover);
  transform: translateY(-1px);
}

/* ============================
   ✅ NAVBAR
   ============================ */
header.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border-bottom: 1px solid #ddd;
  box-shadow: 0 2px 6px var(--shadow-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 2rem;
}

header.navbar .logo {
  font-weight: 700;
  font-size: 1.5rem;
}

header.navbar .nav-links {
  display: flex;
  gap: 1rem;
}

header.navbar .nav-links a {
  padding: 0.4em 0.8em;
  border-radius: 20px;
  color: var(--text-color);
  transition: background 0.2s, color 0.2s;
}

header.navbar .nav-links a:hover {
  background: var(--primary-color);
  color: #fff;
}

.hamburger {
  display: none;
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  z-index: 1100;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    right: 20px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    width: 180px;
    padding: 0.5rem 0;
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    flex-direction: column;
    z-index: 1000;
  }

  .nav-links.show {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 1rem;
    border-top: 1px solid #eee;
  }

  .nav-links a:first-child {
    border-top: none;
  }
}

/* ============================
   ✅ DARK MODE EXTRAS
   ============================ */
[data-theme="dark"] .navbar,
[data-theme="dark"] .nav-links {
  background-color: #1e1e1e;
}

[data-theme="dark"] .nav-links a {
  color: #ffffff;
  border-bottom: 1px solid #333;
}

[data-theme="dark"] .nav-links a:hover {
  background-color: var(--primary-color);
  color: #000;
}
[data-theme="dark"] .post {
  background-color: #1e1e1e;
  border: 1px solid #333;
  color: #f1f1f1;
}

[data-theme="dark"] .post h4,
[data-theme="dark"] .post p,
[data-theme="dark"] .post-user-name,
[data-theme="dark"] .post-date {
  color: #f1f1f1;
}

[data-theme="dark"] .post-actions button {
  background-color: #2a2a2a;
  color: #fff;
  border: 1px solid #444;
}

[data-theme="dark"] .post-actions button:hover {
  background-color: #3a3a3a;
}

[data-theme="dark"] .comment {
  background-color: #1e1e1e;
  color: #f1f1f1;
  border: 1px solid #333;
}

[data-theme="dark"] .comment-body a {
  color: #81ecec;
}

[data-theme="dark"] .comment-form input {
  background-color: #2a2a2a;
  color: #fff;
  border: 1px solid #444;
}

[data-theme="dark"] .comment-form button {
  background-color: var(--primary-color);
  color: #fff;
}


/* ============================
   ✅ TOGGLE THEME BUTTON
   ============================ */
.toggle-theme-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-color);
  padding: 0 10px;
}

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

/* ============================
   ✅ ICON STYLING
   ============================ */
.icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
}

/* Prevent iOS zoom on input & textarea */
input,
textarea {
  font-size: 16px !important; /* Avoids zooming on iOS */
  -webkit-text-size-adjust: 100%;
}