:root{
  --bg: #0b1726;
  --card: #151f2f;
  --accent: #ff9500;
  --accent2:#c00010;
  --text:#ffffff;
  --muted:#9fa6b2;
  --radius: 10px;
}

/* Reset */
*,
*::before,
*::after{
  box-sizing:border-box;
}

html,body{
  height:100%;
}

body{
  margin:0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:#e4edf7;
  color:#111827;
  display:flex;
  flex-direction:column;
}

/* TOP BAR */
.topbar{
  background: var(--bg);
  color: var(--text);
  padding: 12px 16px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  position:sticky;
  top:0;
  z-index:50;
}

.logo{
  font-weight:700;
  font-size:24px;
  color:var(--accent);
}

/* COMMON BUTTONS */
.btn{
  display:inline-block;
  padding:10px 18px;
  border-radius:var(--radius);
  border:none;
  cursor:pointer;
  font-weight:600;
  font-size:14px;
}
.btn-primary{ background:var(--accent); color:#111; }
.btn-danger{ background:var(--accent2); color:#fff; }
.btn-outline{ background:transparent; border:1px solid var(--accent); color:var(--accent); }

/* CARD */
.card{
  background:var(--card);
  color:var(--text);
  padding:16px;
  border-radius:var(--radius);
  margin-bottom:16px;
  box-shadow:0 18px 30px rgba(15,23,42,.6);
}

/* FORM ELEMENTS */
.input{
  width:100%;
  padding:10px 12px;
  border-radius:var(--radius);
  border:none;
  background:#111827;
  color:#fff;
  margin-bottom:10px;
  font-size:14px;
}
.input::placeholder{
  color:#9ca3af;
}

.label{
  font-size:13px;
  margin-bottom:4px;
  display:block;
  color:var(--muted);
}

/* PAGE LAYOUT */
.main{
  flex:1;
  padding:16px;
  margin-top:4px;
  display:flex;
  justify-content:center;
  align-items:flex-start;
}

/* Center box (login / dashboard etc.) */
.container{
  width:100%;
  max-width:430px;
  margin:20px auto 32px;
  padding:0 16px;
}

/* DASHBOARD CARDS (OPTIONAL EXTRA CLASSES) */
.dash-card{
  background:var(--card);
  color:var(--text);
  border-radius:var(--radius);
  padding:14px 16px;
  margin-bottom:12px;
  font-size:14px;
}
.dash-card.orange{
  background:var(--accent);
  color:#111827;
}

/* BADGE */
.badge{
  background:var(--accent);
  color:#111827;
  padding:4px 8px;
  border-radius:999px;
  font-size:12px;
}

/* SIDEBAR (MOBILE FIRST – HIDDEN BY DEFAULT) */
.sidebar{
  position:fixed;
  top:0; left:0; bottom:0;
  width:260px;
  background:var(--bg);
  color:var(--text);
  transform:translateX(-100%);
  transition:transform 0.25s ease;
  padding-top:60px;
  z-index:60;
}
.sidebar.open{ 
  transform:translateX(0); 
}
.sidebar a{
  color:var(--text);
  text-decoration:none;
  display:block;
  padding:12px 18px;
  font-size:14px;
}
.sidebar a.active,
.sidebar a:hover{
  background:#111827;
}

/* --------- RESPONSIVE TWEAKS --------- */

/* Tablets & up */
@media (min-width: 768px){
  .main{
    padding:24px;
    align-items:center;          /* thoda center */
  }
  .container{
    max-width:480px;
    margin-top:32px;
  }
}

/* Desktop & large screens */
@media (min-width: 992px){
  body{
    background: radial-gradient(circle at top, #1e293b 0, #020617 45%, #020617 100%);
  }

  /* Desktop par sidebar hamesha visible */
  .sidebar{
    transform:none;
  }

  .main{
    margin-left:260px;           /* space for sidebar */
    padding:32px 32px 40px;
    justify-content:flex-start;
  }

  .container{
    max-width:520px;
    margin-top:24px;
  }
}