:root{

  --bg:#060816;
  --card:#12192b;

  --border:rgba(255,255,255,.08);

  --text:#ffffff;
  --muted:#98a3bd;

  --accent:#ff7a3d;
  --accent2:#7b61ff;

  --green:#22c55e;
  --yellow:#facc15;
  --red:#ef4444;
  --blue:#3b82f6;

  --transition:.35s ease;
}

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

body{

  background:
    linear-gradient(
      180deg,
      #050816,
      #0b1022
    );

  color:var(--text);

  font-family:'DM Sans',sans-serif;
}
/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: 250px;
  height: 100vh;
  background: linear-gradient(160deg, #141428 0%, #1c1c35 100%);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1050;
  border-right: 1px solid rgba(255,255,255,0.05);
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-icon {
  font-size: 24px;
  color: var(--accent);
}

.brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  letter-spacing: -0.5px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  border:0;
}

.menu-toggle{
  display:none;
  border:none;
  background:none;
  font-size:1.3rem;
  cursor:pointer;
}

@media (max-width:900px){
  .menu-toggle{
    display:block;
  }
}
.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  color: #8a9bc0;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.sidebar-nav li a i {
  width: 18px;
  text-align: center;
  font-size: 15px;
}

.sidebar-nav li a:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
  transform: translateX(3px);
}

.sidebar-nav li.active a {
  background: linear-gradient(90deg, rgba(235,104,53,0.2) 0%, rgba(235,104,53,0.05) 100%);
  color: var(--accent);
  border-left: 3px solid var(--accent);
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  gap: 16px;
}

.sidebar-footer a {
  color: #6a7a94;
  font-size: 16px;
  transition: color var(--transition);
}

.sidebar-footer a:hover {
  color: var(--accent);
}

/* Sidebar backdrop (mobile) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1040;
  backdrop-filter: blur(2px);
}

.sidebar-backdrop.visible {
  display: block;
}
/* NAVBAR */

.navbar{

  position:fixed;

  top:0;
  left:240px;
  right:0;

  height:82px;

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

  padding:0 30px;

  background:
    rgba(5,8,22,.82);

  backdrop-filter:blur(18px);

  border-bottom:
    1px solid var(--border);

  z-index:999;
}

.search-bar{

  width:420px;

  display:flex;
  align-items:center;

  gap:12px;

  padding:14px 18px;

  border-radius:999px;

  background:
    rgba(255,255,255,.05);

  border:
    1px solid var(--border);
}

.search-bar input{

  width:100%;

  border:none;
  outline:none;

  background:none;

  color:white;
}

.nav-actions{

  display:flex;
  align-items:center;

  gap:14px;
}

.notification-counter{

  width:52px;
  height:52px;

  border-radius:18px;

  background:
    rgba(255,255,255,.05);

  display:flex;
  align-items:center;
  justify-content:center;

  position:relative;

  border:
    1px solid var(--border);
}

.notification-counter span{

  position:absolute;

  top:-6px;
  right:-6px;

  width:22px;
  height:22px;

  border-radius:50%;

  background:var(--red);

  display:flex;
  align-items:center;
  justify-content:center;

  font-size:11px;

  font-weight:700;
}

.outline-btn,
.primary-btn{

  border:none;

  padding:14px 20px;

  border-radius:18px;

  cursor:pointer;

  font-weight:700;
}

.outline-btn{

  background:
    rgba(255,255,255,.06);

  color:white;
}

.primary-btn{

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent2)
    );

  color:white;
}

/* MAIN */

.main-home{

  margin-left:240px;

  padding:120px 40px 60px;
}

/* HERO */

.hero-section{

  text-align:center;

  margin-bottom:60px;
}

.hero-badge{

  display:inline-flex;

  padding:12px 18px;

  border-radius:999px;

  background:
    rgba(255,255,255,.06);

  border:
    1px solid var(--border);

  margin-bottom:24px;
}

.hero-section h1{

  font-size:
    clamp(58px,8vw,110px);

  line-height:1;

  margin-bottom:20px;

  font-family:'Syne',sans-serif;
}

.hero-section h1 span{

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent2)
    );

  -webkit-background-clip:text;

  -webkit-text-fill-color:transparent;
}

.hero-section p{

  color:var(--muted);

  max-width:760px;

  margin:auto;

  line-height:1.8;

  font-size:18px;
}

/* FILTER */

.filter-bar{

  display:flex;
  justify-content:center;

  gap:14px;

  flex-wrap:wrap;

  margin-bottom:50px;
}

.filter-btn{

  border:none;

  padding:12px 18px;

  border-radius:999px;

  background:
    rgba(255,255,255,.05);

  border:
    1px solid var(--border);

  color:#d4dcf5;

  cursor:pointer;
}

.filter-btn.active{

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent2)
    );

  color:white;
}

/* GRID */

.notification-grid{

  display:grid;

  grid-template-columns:
    repeat(auto-fit,minmax(340px,1fr));

  gap:28px;
}

/* CARD */

.notification-card{

  background:
    linear-gradient(
      145deg,
      #12192b,
      #172038
    );

  border:
    1px solid var(--border);

  border-radius:32px;

  padding:30px;
}

.card-header{

  margin-bottom:28px;
}

.card-label{

  display:inline-block;

  padding:8px 14px;

  border-radius:999px;

  background:
    rgba(255,255,255,.06);

  color:#d6def7;

  font-size:12px;

  margin-bottom:14px;
}

.card-header h2{

  font-size:34px;

  font-family:'Syne',sans-serif;
}

/* ALERTS */

.alert-list{

  display:flex;
  flex-direction:column;

  gap:18px;
}

.alert{

  display:flex;
  align-items:flex-start;

  gap:16px;

  padding:20px;

  border-radius:22px;
}

.alert i{

  font-size:22px;

  margin-top:2px;
}

.alert strong{

  display:block;

  margin-bottom:6px;
}

.alert p{

  color:var(--muted);
}

.success{

  background:
    rgba(34,197,94,.12);

  color:#7ef2a8;
}

.warning{

  background:
    rgba(250,204,21,.12);

  color:#ffe16f;
}

.error{

  background:
    rgba(239,68,68,.12);

  color:#ff9f9f;
}

/* ACTIVITY */

.activity-feed{

  display:flex;
  flex-direction:column;

  gap:18px;
}

.activity-item{

  display:flex;
  align-items:center;

  gap:14px;

  padding:18px;

  border-radius:22px;

  background:
    rgba(255,255,255,.03);

  border:
    1px solid rgba(255,255,255,.05);
}

.activity-item.unread{

  border-color:
    rgba(123,97,255,.4);
}

.activity-item img{

  width:56px;
  height:56px;

  border-radius:50%;
}

.activity-item strong{

  display:block;

  margin-bottom:6px;
}

.activity-item span{

  color:var(--muted);

  font-size:14px;
}

.mark-read{

  margin-left:auto;

  border:none;

  padding:10px 14px;

  border-radius:14px;

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent2)
    );

  color:white;

  cursor:pointer;
}

/* TOAST */

.toast-buttons{

  display:flex;
  flex-direction:column;

  gap:16px;
}

.toast-btn{

  border:none;

  padding:16px;

  border-radius:18px;

  color:white;

  font-weight:700;

  cursor:pointer;
}

.success-btn{
  background:linear-gradient(135deg,#22c55e,#4ade80);
}

.warning-btn{
  background:linear-gradient(135deg,#facc15,#f59e0b);
}

.error-btn{
  background:linear-gradient(135deg,#ef4444,#f87171);
}

/* SETTINGS */

.settings-list{

  display:flex;
  flex-direction:column;

  gap:24px;
}

.setting-item{

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

  gap:20px;
}

.setting-item strong{

  display:block;

  margin-bottom:6px;
}

.setting-item span{

  color:var(--muted);

  font-size:14px;
}

/* SWITCH */

.switch{

  position:relative;

  width:56px;
  height:30px;
}

.switch input{
  display:none;
}

.slider{

  position:absolute;

  inset:0;

  border-radius:999px;

  background:
    rgba(255,255,255,.08);

  cursor:pointer;

  transition:.3s;
}

.slider::before{

  content:"";

  position:absolute;

  width:24px;
  height:24px;

  border-radius:50%;

  background:white;

  top:3px;
  left:3px;

  transition:.3s;
}

.switch input:checked + .slider{

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent2)
    );
}

.switch input:checked + .slider::before{

  transform:translateX(26px);
}

/* EMPTY */

.empty-card{

  text-align:center;

  display:flex;
  flex-direction:column;
  justify-content:center;
}

.empty-icon{

  width:90px;
  height:90px;

  border-radius:28px;

  background:
    rgba(255,255,255,.05);

  display:flex;
  align-items:center;
  justify-content:center;

  margin:auto auto 24px;

  font-size:34px;
}

.empty-card h2{

  font-size:40px;

  margin-bottom:16px;

  font-family:'Syne',sans-serif;
}

.empty-card p{

  color:var(--muted);

  line-height:1.8;

  margin-bottom:28px;
}

.empty-card button{

  border:none;

  padding:16px 20px;

  border-radius:18px;

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent2)
    );

  color:white;

  font-weight:700;

  cursor:pointer;
}

/* TOAST */

.toast-container{

  position:fixed;

  top:100px;
  right:30px;

  display:flex;
  flex-direction:column;

  gap:14px;

  z-index:9999;
}

.toast{

  min-width:280px;

  padding:18px 20px;

  border-radius:18px;

  color:white;

  font-weight:700;

  animation:slideIn .4s ease;
}

.toast.success{
  background:linear-gradient(135deg,#22c55e,#4ade80);
}

.toast.warning{
  background:linear-gradient(135deg,#facc15,#f59e0b);
}

.toast.error{
  background:linear-gradient(135deg,#ef4444,#f87171);
}

@keyframes slideIn{

  from{
    transform:translateX(100%);
    opacity:0;
  }

  to{
    transform:translateX(0);
    opacity:1;
  }

}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  margin-left: var(--sidebar-w);
  background: #111;
  color: #aaa;
  padding: 0;
  margin-top: 60px;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 2fr;
  gap: 40px;
  padding: 56px 48px 40px;
  max-width: 100%;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
}

.footer-col h3 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: #888;
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.socials {
  display: flex;
  gap: 12px;
}

.socials a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #1e1e1e;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  text-decoration: none;
  font-size: 14px;
  transition: all var(--transition);
}

.socials a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.newsletter-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.newsletter-form input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  background: #1e1e1e;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--accent);
}

.newsletter-form button {
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.newsletter-form button:hover {
  background: #d45c28;
}

.footer-bottom {
  border-top: 1px solid #1e1e1e;
  padding: 20px 48px;
  text-align: center;
  font-size: 13px;
  color: #555;
}


/* Tablet (≤ 992px) */


@media (max-width: 992px) {
  .sidebar {
    width: 240px;
  }
  .notification-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

/* Mobile (≤ 600px) */

@media (max-width: 600px) {
  /* Sidebar collapses into hamburger */
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    height: 100%;
    transition: left 0.3s ease;
  }
  .sidebar.open {
    left: 0;
  }

  /* Cards stack vertically */

  .notification-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Buttons touch-friendly */

  .notification-card button {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
  }

  /* Header & tags scale down */

  .page-title {
    font-size: 22px;
  }
  .page-tags {
    flex-wrap: wrap;
    gap: 6px;
  }

  /* Live Preview button alignment */

  .live-preview {
    display: block;
    margin: 12px auto;
    text-align: center;
  }
}

/* Prevent horizontal overflow */
html, body {
  width: 100%;
  overflow-x: hidden;
}

/* Sidebar collapses fully */
.sidebar {
  width: 100%;          
  max-width: 320px;      
  box-sizing: border-box;
}

/* Notification grid stacks */
.notification-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;          
  box-sizing: border-box;
}

/* Cards full width */
.notification-card {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Buttons touch-friendly */
.notification-card button {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  box-sizing: border-box;
}

/* Header and tags scale */
.page-title {
  font-size: 22px;
  word-wrap: break-word;
}
.page-tags {
  flex-wrap: wrap;
  gap: 6px;
}

/* Live Preview button centered */
.live-preview {
  display: block;
  margin: 12px auto;
  text-align: center;
}