/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0e1a;--bg2:#111827;--bg3:#1a2035;--bg4:#232b42;
  --text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;
  --accent:#6366f1;--accent2:#818cf8;--accent-glow:rgba(99,102,241,.25);
  --green:#22c55e;--red:#ef4444;--yellow:#f59e0b;--cyan:#06b6d4;
  --border:#1e293b;--radius:12px;--radius-sm:8px;
  --shadow:0 4px 24px rgba(0,0,0,.4);
  --transition:all .2s ease;
}
html{font-size:14px}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
.hidden{display:none!important}
a{color:var(--accent2);text-decoration:none}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit;font-size:.9rem}

/* ===== LOGIN ===== */
.login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0a0e1a 0%,#1a1040 50%,#0a0e1a 100%)}
.login-card{background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:3rem 2.5rem;width:380px;text-align:center;box-shadow:var(--shadow);animation:fadeUp .5s ease}
.login-logo{font-size:3rem;color:var(--accent);margin-bottom:1rem}
.login-card h1{font-size:1.6rem;font-weight:700;margin-bottom:.25rem}
.login-subtitle{color:var(--text2);margin-bottom:2rem;font-size:.95rem}
.input-group{position:relative;margin-bottom:1rem}
.input-group i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:.9rem}
.input-group input{width:100%;padding:12px 14px 12px 42px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.95rem;transition:var(--transition)}
.input-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.btn-login{width:100%;padding:12px;background:linear-gradient(135deg,var(--accent),#7c3aed);color:#fff;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;margin-top:.5rem;transition:var(--transition)}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 6px 20px var(--accent-glow)}
.login-error{color:var(--red);font-size:.85rem;margin-top:1rem;min-height:1.2em}

/* ===== DASHBOARD LAYOUT ===== */
.dashboard{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .3s ease}
.sidebar-header{padding:1.5rem 1.2rem;display:flex;align-items:center;gap:.75rem;font-size:1.15rem;font-weight:700;color:var(--accent2);border-bottom:1px solid var(--border)}
.sidebar-header i{font-size:1.4rem}
.sidebar-nav{flex:1;padding:1rem .6rem;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:.75rem;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text2);font-size:.9rem;font-weight:500;transition:var(--transition)}
.nav-item:hover{background:var(--bg3);color:var(--text)}
.nav-item.active{background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(124,58,237,.1));color:var(--accent2);font-weight:600}
.nav-item i{width:20px;text-align:center;font-size:.95rem}
.sidebar-footer{padding:1rem;border-top:1px solid var(--border)}
.btn-logout{width:100%;padding:10px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text2);display:flex;align-items:center;gap:.6rem;justify-content:center;font-size:.9rem;transition:var(--transition)}
.btn-logout:hover{border-color:var(--red);color:var(--red);background:rgba(239,68,68,.08)}
.main-content{margin-left:240px;flex:1;min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.topbar h2{font-size:1.2rem;font-weight:600;flex:1}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.3rem}
.admin-badge{background:var(--bg3);padding:6px 14px;border-radius:20px;font-size:.8rem;color:var(--accent2);font-weight:500}
.content-area{padding:1.5rem;flex:1}

/* ===== STAT CARDS ===== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;transition:var(--transition);position:relative;overflow:hidden}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.stat-card .stat-icon{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:.75rem}
.stat-card .stat-icon.purple{background:rgba(99,102,241,.15);color:var(--accent2)}
.stat-card .stat-icon.green{background:rgba(34,197,94,.15);color:var(--green)}
.stat-card .stat-icon.red{background:rgba(239,68,68,.15);color:var(--red)}
.stat-card .stat-icon.yellow{background:rgba(245,158,11,.15);color:var(--yellow)}
.stat-card .stat-icon.cyan{background:rgba(6,182,212,.15);color:var(--cyan)}
.stat-card .stat-value{font-size:1.6rem;font-weight:700;margin-bottom:.2rem}
.stat-card .stat-label{font-size:.8rem;color:var(--text2);text-transform:uppercase;letter-spacing:.5px}

/* ===== CHART ===== */
.chart-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;margin-bottom:1.5rem}
.chart-card h3{font-size:1rem;font-weight:600;margin-bottom:1rem}
.chart-bars{display:flex;align-items:flex-end;gap:6px;height:160px;padding-top:1rem}
.chart-bar-group{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%}
.chart-bar-wrapper{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center}
.chart-bar{width:70%;min-width:12px;border-radius:4px 4px 0 0;background:linear-gradient(180deg,var(--accent),#7c3aed);transition:height .5s ease;min-height:2px}
.chart-label{font-size:.65rem;color:var(--text3);white-space:nowrap}
.chart-count{font-size:.7rem;color:var(--text2);font-weight:600}

/* ===== TABLE / DATA VIEWER ===== */
.data-panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.panel-header{padding:1rem 1.2rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.panel-header h3{font-size:1rem;font-weight:600}
.filter-bar{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.filter-bar select,.filter-bar input{padding:7px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.85rem}
.filter-bar input[type="date"]{color-scheme:dark}
.filter-bar input:focus,.filter-bar select:focus{outline:none;border-color:var(--accent)}
.search-input{padding:7px 12px 7px 34px!important;position:relative}
.search-wrap{position:relative}
.search-wrap i{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:.8rem;pointer-events:none}
.btn-sm{padding:7px 14px;font-size:.8rem;font-weight:500;border:none;border-radius:var(--radius-sm);transition:var(--transition);display:inline-flex;align-items:center;gap:4px}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent2)}
.btn-success{background:var(--green);color:#fff}.btn-success:hover{opacity:.85}
.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{opacity:.85}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text2)}.btn-outline:hover{border-color:var(--accent);color:var(--accent2)}
.btn-ghost{background:transparent;border:none;color:var(--text2);padding:4px 8px;font-size:.8rem}.btn-ghost:hover{color:var(--accent2)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{padding:10px 14px;text-align:left;font-size:.75rem;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;background:var(--bg3);border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:10px 14px;font-size:.85rem;border-bottom:1px solid var(--border);white-space:nowrap}
tr:hover td{background:rgba(99,102,241,.03)}
.badge{padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600;display:inline-block}
.badge-pending{background:rgba(245,158,11,.12);color:var(--yellow)}
.badge-approved{background:rgba(34,197,94,.12);color:var(--green)}
.badge-rejected{background:rgba(239,68,68,.12);color:var(--red)}
.pagination{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-top:1px solid var(--border)}
.pagination span{font-size:.8rem;color:var(--text2)}
.pagination-btns{display:flex;gap:4px}
.pagination-btns button{padding:6px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text2);font-size:.8rem;transition:var(--transition)}
.pagination-btns button:hover:not(:disabled){border-color:var(--accent);color:var(--accent2)}
.pagination-btns button:disabled{opacity:.4;cursor:not-allowed}
.checkbox-cell{width:30px}
.checkbox-cell input{accent-color:var(--accent)}
.batch-actions{display:flex;gap:.5rem;align-items:center}
.copy-btn{background:none;border:none;color:var(--text3);cursor:pointer;font-size:.75rem;padding:2px 4px}.copy-btn:hover{color:var(--accent2)}
td .email-cell{display:flex;align-items:center;gap:4px}

/* ===== SETTINGS PAGE ===== */
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:1.2rem}
.settings-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}
.settings-card h3{font-size:1rem;font-weight:600;margin-bottom:.3rem}
.settings-card p{font-size:.85rem;color:var(--text2);margin-bottom:1rem}
.settings-card .form-group{margin-bottom:1rem}
.settings-card label{display:block;font-size:.8rem;color:var(--text2);margin-bottom:.4rem;font-weight:500}
.settings-card input,.settings-card textarea{width:100%;padding:10px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);resize:vertical}
.settings-card input:focus,.settings-card textarea:focus{outline:none;border-color:var(--accent)}

/* ===== TOAST ===== */
.toast-container{position:fixed;top:1rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem}
.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;animation:slideIn .3s ease;box-shadow:var(--shadow);max-width:350px}
.toast-success{background:var(--green);color:#fff}
.toast-error{background:var(--red);color:#fff}
.toast-info{background:var(--accent);color:#fff}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{from{opacity:0;transform:translateX(60px)}to{opacity:1;transform:translateX(0)}}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .menu-toggle{display:block}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .settings-grid{grid-template-columns:1fr}
  .filter-bar{width:100%}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .login-card{width:calc(100vw - 2rem);padding:2rem 1.5rem}
}