/* -------------------------------
   GLOBAL THEME STYLES (Light & Dark)
   By D-NAIK DATA
--------------------------------- */

/* Base (light theme by default) */
:root {
  --bg-color: #f5f6fa;
  --text-color: #222;
  --card-bg: #fff;
  --border-color: #e3e3e3;
  --primary: #007bff;
  --primary-hover: #0056b3;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --info: #17a2b8;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --transition: all 0.3s ease;
}

/* Dark theme overrides */
[data-theme="dark"] {
  --bg-color: #0f1115;
  --text-color: white;
  --card-bg: #1a1d23;
  --border-color: #2b2f36;
  --primary: #3391ff;
  --primary-hover: #70b2ff;
  --shadow: 0 2px 8px rgba(255, 255, 255, 0.05);
}

/* -------------------------------
   Base Elements
--------------------------------- */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: var(--transition);
  min-height: 100vh;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

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

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

/* -------------------------------
   Containers
--------------------------------- */

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

/* Centered section */
.centered {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* -------------------------------
   Cards
--------------------------------- */

.card {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 15px 0;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
}

/* -------------------------------
   Buttons
--------------------------------- */

button,
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-success {
  background-color: var(--success);
  color: #fff;
}

.btn-success:hover {
  filter: brightness(1.1);
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: #fff;
}

/* -------------------------------
   Navbar / Header
--------------------------------- */

.navbar {
  background-color: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar h1 {
  font-size: 1.4rem;
  font-weight: 600;
}

.navbar .theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  font-size: 1.3rem;
  transition: var(--transition);
}

.navbar .theme-toggle:hover {
  transform: scale(1.1);
}

/* -------------------------------
   Sidebar (responsive overlay type)
--------------------------------- */

.sidebar {
  position: fixed;
  left: -260px;
  top: 0;
  width: 250px;
  height: 100%;
  background-color: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 20px;
  transition: var(--transition);
  z-index: 1000;
  overflow-y: auto;
}

.sidebar.active {
  left: 0;
}

.sidebar a {
  display: block;
  padding: 12px;
  margin: 5px 0;
  border-radius: var(--radius);
  color: var(--text-color);
  transition: var(--transition);
}

.sidebar a:hover {
  background-color: var(--hover-bg);
}

/* Overlay when sidebar open */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 900;
}

.overlay.active {
  display: block;
}

/* -------------------------------
   Inputs & Forms
--------------------------------- */

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-color);
  outline: none;
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 4px var(--primary);
}

/* -------------------------------
   Footer
--------------------------------- */

footer {
  background-color: var(--card-bg);
  color: var(--text-color);
  text-align: center;
  padding: 25px 10px;
  box-shadow: var(--shadow);
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
}

/* -------------------------------
   Utility Classes
--------------------------------- */

.hidden {
  display: none !important;
}

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

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.shadow { box-shadow: var(--shadow); }

.flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rounded { border-radius: var(--radius); }

.transition { transition: var(--transition); }

.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}