/* ZIAA E-Learning Portal — shared styles */
:root{
  --clr-primary:#123B5E;
  --clr-primary-dark:#0A2440;
  --clr-primary-light:#E7EEF5;
  --clr-secondary:#C9972B;
  --clr-secondary-light:#FBF1DC;
  --clr-accent:#9A2B2B;
  --clr-bg:#F4F6F9;
  --clr-surface:#ffffff;
  --clr-text:#101828;
  --clr-text-muted:#5b6472;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px -12px rgba(15,23,42,.15);
  --font: "Poppins", "Nunito Sans", system-ui, sans-serif;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family: "Nunito Sans", system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
}
h1,h2,h3,h4,h5,h6,.brand{font-family:var(--font);}
a{color:var(--clr-primary);}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- Auth / login screen ---------- */
.auth-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background: radial-gradient(circle at 20% 20%, #163f61, #0A2440 60%);
  padding:24px;
}
.auth-card{
  background:#fff;
  border-radius:20px;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.45);
  max-width:960px;
  width:100%;
  display:grid;
  grid-template-columns: 1.05fr 1fr;
  overflow:hidden;
}
.auth-side{
  background: linear-gradient(160deg, var(--clr-primary-dark), var(--clr-primary));
  color:#fff;
  padding:48px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:14px;
  position:relative;
}
.auth-side::after{
  content:"";
  position:absolute;inset:0;
  background: radial-gradient(circle at 85% 85%, rgba(201,151,43,.28), transparent 55%);
}
.auth-side > *{position:relative;z-index:1;}
.auth-logo{
  display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;
}
.auth-logo .mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--clr-secondary),#a97a1c);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#241a05;
}
.auth-side h2{font-size:1.6rem;margin:6px 0 0;}
.auth-side p{opacity:.9;margin:0;font-size:.95rem;line-height:1.6;}
.auth-side ul{list-style:none;padding:0;margin:14px 0 0;font-size:.88rem;opacity:.92;}
.auth-side li{padding:5px 0;display:flex;gap:8px;align-items:flex-start;}
.auth-form{padding:48px 40px;}
.auth-form h3{margin:0 0 4px;font-size:1.4rem;}
.auth-form .sub{color:var(--clr-text-muted);font-size:.92rem;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.82rem;font-weight:700;margin-bottom:6px;color:#334;}
.field input, .field select, .field textarea{
  width:100%;padding:11px 14px;border-radius:10px;border:1.5px solid #dfe4ea;
  font-size:.95rem;font-family:inherit;background:#fbfbfd;
  transition:border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;border-color:var(--clr-primary);background:#fff;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:999px;padding:12px 22px;font-weight:700;font-size:.92rem;
  cursor:pointer;text-decoration:none;transition:transform .15s, box-shadow .15s, opacity .15s;
}
.btn-primary{background:var(--clr-primary);color:#fff;}
.btn-primary:hover{background:var(--clr-primary-dark);}
.btn-gold{background:var(--clr-secondary);color:#241a05;}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(201,151,43,.6);}
.btn-outline{background:transparent;border:1.5px solid var(--clr-primary);color:var(--clr-primary);}
.btn-outline:hover{background:var(--clr-primary-light);}
.btn-danger{background:#fbeaea;color:var(--clr-accent);}
.btn-danger:hover{background:#f6d9d9;}
.btn-sm{padding:8px 14px;font-size:.8rem;}
.btn:disabled{opacity:.6;cursor:not-allowed;}
.btn-block{width:100%;}
.msg{
  padding:10px 14px;border-radius:10px;font-size:.85rem;margin-bottom:14px;
}
.msg.error{background:#fdecea;color:#9a2b2b;border:1px solid #f6c8c4;}
.msg.success{background:#e9f8ee;color:#166a37;border:1px solid #bfe9cd;}
.hint{font-size:.78rem;color:var(--clr-text-muted);margin-top:14px;line-height:1.6;}
.hint code{background:#f1f2f5;padding:2px 6px;border-radius:6px;}

@media (max-width:760px){
  .auth-card{grid-template-columns:1fr;}
  .auth-side{padding:34px 26px;}
  .auth-form{padding:34px 26px;}
}

/* ---------- App shell (dashboards) ---------- */
.app-shell{min-height:100vh;display:flex;}
.sidebar{
  width:250px;flex-shrink:0;background:var(--clr-primary-dark);color:#dde7f0;
  display:flex;flex-direction:column;padding:22px 16px;position:sticky;top:0;height:100vh;
}
.sidebar .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.15rem;padding:0 8px 20px;}
.sidebar .brand .mark{
  width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--clr-secondary),#a97a1c);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#241a05;font-size:.9rem;
}
.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.sidebar nav a, .sidebar nav button.navlink{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:#c8d6e5;text-decoration:none;font-size:.88rem;font-weight:600;cursor:pointer;
  border:none;background:transparent;text-align:left;width:100%;font-family:inherit;
}
.sidebar nav a:hover, .sidebar nav button.navlink:hover{background:rgba(255,255,255,.07);color:#fff;}
.sidebar nav a.active, .sidebar nav button.navlink.active{background:var(--clr-secondary);color:#241a05;}
.sidebar .userbox{
  border-top:1px solid rgba(255,255,255,.12);padding-top:14px;margin-top:10px;font-size:.82rem;
}
.sidebar .userbox .name{color:#fff;font-weight:700;}
.sidebar .userbox .role{opacity:.7;text-transform:capitalize;}
.sidebar .logout{margin-top:10px;width:100%;}

.main{flex:1;min-width:0;}
.topbar{
  background:#fff;border-bottom:1px solid #e7eaef;padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:10;
}
.topbar h1{font-size:1.15rem;margin:0;}
.content{padding:26px 28px 60px;}

.grid{display:grid;gap:18px;}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}}

.card{background:var(--clr-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;}
.stat-card{background:var(--clr-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:flex;align-items:center;gap:14px;}
.stat-card .ic{width:46px;height:46px;border-radius:12px;background:var(--clr-primary-light);color:var(--clr-primary);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;}
.stat-card .num{font-size:1.5rem;font-weight:800;line-height:1;}
.stat-card .lbl{font-size:.78rem;color:var(--clr-text-muted);margin-top:3px;}

.badge{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--clr-primary-light);color:var(--clr-primary);}
.badge.gold{background:var(--clr-secondary-light);color:#7a5a12;}
.badge.green{background:#e6f6ec;color:#1a7a41;}
.badge.red{background:#fbeaea;color:#9a2b2b;}
.badge.grey{background:#eef0f3;color:#556;}

.table{width:100%;border-collapse:collapse;font-size:.88rem;}
.table th{text-align:left;font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--clr-text-muted);padding:10px 12px;border-bottom:2px solid #eef0f3;}
.table td{padding:12px;border-bottom:1px solid #f0f1f4;vertical-align:middle;}
.table tr:last-child td{border-bottom:none;}

.course-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;}
.course-card .cimg{height:140px;background-size:cover;background-position:center;background-color:var(--clr-primary-light);}
.course-card .cbody{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.course-card h4{margin:0;font-size:1rem;}
.course-card .meta{display:flex;gap:8px;flex-wrap:wrap;}
.course-card .desc{font-size:.85rem;color:var(--clr-text-muted);flex:1;}

.item-row{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;background:#fff;
  box-shadow:var(--shadow);margin-bottom:10px;
}
.item-row .ic{width:38px;height:38px;border-radius:10px;background:var(--clr-primary-light);color:var(--clr-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.item-row .body{flex:1;min-width:0;}
.item-row .title{font-weight:700;font-size:.92rem;}
.item-row .sub{font-size:.78rem;color:var(--clr-text-muted);}

.modal-backdrop{
  position:fixed;inset:0;background:rgba(10,20,35,.55);display:flex;align-items:center;justify-content:center;
  padding:20px;z-index:100;
}
.modal{background:#fff;border-radius:18px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:28px;}
.modal h3{margin-top:0;}
.modal .close{position:sticky;top:0;float:right;background:none;border:none;font-size:1.3rem;cursor:pointer;color:#888;}

.tabs{display:flex;gap:6px;border-bottom:2px solid #eef0f3;margin-bottom:20px;flex-wrap:wrap;}
.tabs button{
  background:none;border:none;padding:10px 16px;font-weight:700;font-size:.86rem;color:var(--clr-text-muted);
  cursor:pointer;border-bottom:3px solid transparent;font-family:inherit;
}
.tabs button.active{color:var(--clr-primary);border-color:var(--clr-secondary);}

.empty-state{text-align:center;padding:50px 20px;color:var(--clr-text-muted);}
.empty-state .ic{font-size:2.2rem;margin-bottom:10px;color:var(--clr-primary-light);}

/* Chat (AI tutor) */
.chat-wrap{display:flex;flex-direction:column;height:calc(100vh - 190px);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.chat-log{flex:1;overflow-y:auto;padding:22px;display:flex;flex-direction:column;gap:14px;}
.bubble{max-width:78%;padding:12px 16px;border-radius:16px;font-size:.92rem;line-height:1.55;white-space:pre-wrap;}
.bubble.user{align-self:flex-end;background:var(--clr-primary);color:#fff;border-bottom-right-radius:4px;}
.bubble.assistant{align-self:flex-start;background:#f1f3f6;color:#182233;border-bottom-left-radius:4px;}
.chat-input{display:flex;gap:10px;padding:16px 18px;border-top:1px solid #eef0f3;}
.chat-input textarea{
  flex:1;resize:none;border:1.5px solid #dfe4ea;border-radius:12px;padding:11px 14px;font-family:inherit;font-size:.92rem;
  max-height:120px;
}
.chat-input textarea:focus{outline:none;border-color:var(--clr-primary);}
.typing{align-self:flex-start;background:#f1f3f6;border-radius:16px;padding:10px 16px;display:inline-flex;gap:4px;}
.typing span{width:6px;height:6px;background:#9aa5b2;border-radius:50%;animation:blink 1.2s infinite ease-in-out;}
.typing span:nth-child(2){animation-delay:.2s;}
.typing span:nth-child(3){animation-delay:.4s;}
@keyframes blink{0%,80%,100%{opacity:.3;}40%{opacity:1;}}

.quiz-q{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid #eef0f3;}
.quiz-q:last-child{border-bottom:none;}
.quiz-q .qtext{font-weight:700;margin-bottom:10px;font-size:.92rem;}
.quiz-opt{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;border:1.5px solid #e5e8ec;margin-bottom:6px;cursor:pointer;font-size:.88rem;}
.quiz-opt:hover{border-color:var(--clr-primary);}
.quiz-opt.selected{border-color:var(--clr-primary);background:var(--clr-primary-light);}
.quiz-opt.correct{border-color:#1a7a41;background:#e6f6ec;}
.quiz-opt.incorrect{border-color:var(--clr-accent);background:#fbeaea;}

.progress-track{height:8px;background:#eef0f3;border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--clr-primary),var(--clr-secondary));}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:18px;}
.toolbar h2{margin:0;font-size:1.25rem;}
.searchbox{padding:9px 14px;border-radius:10px;border:1.5px solid #dfe4ea;font-size:.86rem;min-width:220px;}

.mobile-toggle{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--clr-primary-dark);}
@media (max-width:880px){
  .sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:50;transition:left .25s;box-shadow:0 0 30px rgba(0,0,0,.3);}
  .sidebar.open{left:0;}
  .mobile-toggle{display:inline-flex;}
  .grid.cols-4{grid-template-columns:repeat(2,1fr);}
}