@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg-dark: #090a0f;
  --bg-panel: #11131a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.5);
  --success: #10b981;
  --danger: #ef4444;
  --trans: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-h: 'Outfit', sans-serif;
  --font-p: 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-p);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* ── LOGIN OVERLAY ── */
#loginOverlay {
  position: fixed; inset: 0; z-index: 9999;
  background: radial-gradient(circle at center, #111827 0%, #030712 100%);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s ease;
}
.login-box {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  padding: 40px; border-radius: 24px;
  width: 100%; max-width: 420px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  text-align: center;
}
.login-logo {
  font-family: var(--font-h); font-weight: 800; font-size: 2rem;
  color: #fff; margin-bottom: 8px; letter-spacing:-1px;
}
.login-logo span { color: var(--accent); }
.login-desc { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 30px; }
.login-input {
  width: 100%; border: 1px solid var(--border-color);
  background: rgba(0,0,0,0.2); color: #fff;
  padding: 14px 16px; border-radius: 12px; margin-bottom: 16px;
  font-family: var(--font-p); font-size: 1rem; transition: var(--trans);
}
.login-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(59,130,246,0.15); }
.btn-login {
  width: 100%; background: var(--accent); color: #fff; border: none;
  padding: 14px; border-radius: 12px; font-weight: 600; font-size: 1rem;
  font-family: var(--font-h); cursor: pointer; transition: var(--trans);
  box-shadow: 0 4px 14px var(--accent-glow); margin-top: 10px;
}
.btn-login:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(59,130,246,0.6); }

/* ── SIDEBAR ── */
.sidebar {
  width: 260px; background: var(--bg-panel); border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column; flex-shrink: 0; padding: 24px 0;
  height: 100vh; position: sticky; top: 0;
}
.brand {
  padding: 0 24px 30px; font-family: var(--font-h); font-weight: 800; font-size: 1.5rem;
  color: #fff; display: flex; align-items: center; gap: 10px; letter-spacing: -0.5px;
}
.brand i { color: var(--accent); font-size: 1.2rem; }
.nav-menu { display: flex; flex-direction: column; gap: 4px; padding: 0 12px; flex: 1; }
.nav-item {
  background: transparent; color: var(--text-muted); border: none;
  padding: 12px 16px; border-radius: 10px; text-align: left;
  font-family: var(--font-p); font-weight: 500; font-size: 0.95rem;
  cursor: pointer; transition: var(--trans); display: flex; align-items: center; gap: 12px;
}
.nav-item i { width: 20px; text-align: center; font-size: 1.1rem; }
.nav-item:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-item.active { background: rgba(59,130,246,0.1); color: var(--accent); font-weight: 600; }
.sidebar-bottom { padding: 20px 24px; border-top: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 10px; }
.btn-view { color: #fff; text-decoration: none; display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 500; opacity: 0.7; transition: var(--trans); }
.btn-view:hover { opacity: 1; color: var(--accent); }
.btn-logout { background: transparent; color: var(--danger); border: 1px solid rgba(239,68,68,0.3); padding: 10px; border-radius: 8px; width: 100%; cursor: pointer; transition: var(--trans); font-size:0.9rem; font-weight:600;}
.btn-logout:hover { background: rgba(239,68,68,0.1); }

/* ── MAIN CONTENT ── */
.main { flex: 1; padding: 40px; overflow-y: auto; height: 100vh; position: relative; }
.header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; }
.page-title { font-family: var(--font-h); font-size: 2.2rem; font-weight: 700; letter-spacing: -1px; margin-bottom: 8px;}
.page-desc { color: var(--text-muted); font-size: 0.95rem; }
.btn-save-master {
  background: var(--accent); color: #fff; border: none; padding: 12px 24px;
  border-radius: 10px; font-weight: 600; font-family: var(--font-h); font-size: 0.95rem;
  cursor: pointer; display: flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 15px var(--accent-glow); transition: var(--trans);
}
.btn-save-master:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(59,130,246,0.6); }

/* ── PANELS & GRIDS ── */
.tab-pane { display: none; animation: fadeIn 0.4s ease forwards; }
.tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.section-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 20px; padding: 30px; margin-bottom: 30px;
}
.card-header { margin-bottom: 24px; border-bottom: 1px solid var(--border-color); padding-bottom: 16px; }
.card-title { font-family: var(--font-h); font-size: 1.3rem; font-weight: 600; color: #fff;}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── FORM ELEMENTS ── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.form-control {
  width: 100%; background: rgba(0,0,0,0.2); border: 1px solid var(--border-color);
  color: #fff; padding: 12px 14px; border-radius: 10px; font-family: var(--font-p);
  font-size: 0.95rem; transition: var(--trans);
}
.form-control:focus { outline: none; border-color: var(--accent); background: rgba(0,0,0,0.4); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
textarea.form-control { resize: vertical; min-height: 80px; }

/* Dashboard Cards */
.dash-card { background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%); border: 1px solid var(--border-color); border-radius: 16px; padding: 24px; display:flex; align-items:center; gap: 20px;}
.dash-icon { width: 50px; height: 50px; border-radius: 12px; background: rgba(59,130,246,0.1); color: var(--accent); display:flex; align-items:center; justify-content:center; font-size: 1.5rem; }
.dash-info h3 { font-family: var(--font-h); font-size: 1.8rem; font-weight: 700; margin-bottom: 4px;}
.dash-info p { color: var(--text-muted); font-size: 0.9rem;}

/* List Items (CRUD) */
.list-ui { background: rgba(0,0,0,0.2); border-radius: 12px; border: 1px solid var(--border-color); overflow: hidden;}
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border-color); }
.list-item:last-child { border-bottom: none; }
.list-detail h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; color:#fff;}
.list-detail p { font-size: 0.85rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.list-actions { display: flex; gap: 8px; }
.btn-icon { width: 36px; height: 36px; border-radius: 8px; border: none; cursor: pointer; display: flex; align-items:center; justify-content:center; transition: var(--trans); color: #fff;}
.btn-edit { background: rgba(59,130,246,0.15); color: var(--accent); }
.btn-edit:hover { background: var(--accent); color: #fff; }
.btn-del { background: rgba(239,68,68,0.15); color: var(--danger); }
.btn-del:hover { background: var(--danger); color: #fff; }
.btn-add-new { background: transparent; border: 1px dashed var(--border-color); width: 100%; padding: 16px; color: var(--text-muted); border-radius: 12px; cursor: pointer; transition:var(--trans); font-size:0.95rem; font-weight:500;}
.btn-add-new:hover { border-color: var(--accent); color: var(--accent); background: rgba(59,130,246,0.05); }

/* TOAST */
#toast {
  position: fixed; bottom: -100px; right: 40px; background: #fff; color: #111827;
  padding: 16px 24px; border-radius: 12px; font-weight: 600; font-size: 0.95rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3); display: flex; align-items: center; gap: 12px;
  transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); z-index: 10000;
}
#toast.show { bottom: 40px; }
#toast i { color: var(--success); font-size: 1.2rem; }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(5px); z-index: 9999; display: none; align-items: center; justify-content: center; opacity:0; transition: opacity 0.3s;}
.modal-overlay.open { display: flex; opacity: 1;}
.modal-box { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: 20px; width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); transform: translateY(20px); transition: transform 0.3s;}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-header { padding: 24px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-family: var(--font-h); font-size: 1.2rem; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; transition:var(--trans); }
.modal-close:hover { color: #fff; }
.modal-body { padding: 24px; }
.modal-footer { padding: 20px 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 12px; }
.btn-cancel { background: transparent; border: 1px solid var(--border-color); color: #fff; padding: 10px 20px; border-radius: 8px; cursor: pointer; transition:var(--trans);}
.btn-cancel:hover { background: rgba(255,255,255,0.05); }
.btn-save { background: var(--accent); border: none; color: #fff; padding: 10px 20px; border-radius: 8px; font-weight: 600; cursor: pointer; box-shadow: 0 4px 12px var(--accent-glow); transition: var(--trans);}
.btn-save:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(59,130,246,0.6); }

/* CUSTOM SCROLLBAR */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }