/* ===== SMM Pro Panel – Light Theme ===== */
/* Font: Nunito (Google Fonts) – hỗ trợ tiếng Việt, không lỗi dấu */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap');

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

:root{
  --bg:       #f0f4ff;
  --surface:  #ffffff;
  --surface2: #f8faff;
  --border:   #dde3f5;
  --border2:  #c7d2ee;
  --primary:  #4f67e8;
  --primary-h:#3a52d4;
  --primary-l:#eef1fd;
  --text:     #1e2647;
  --text2:    #4a5580;
  --text3:    #8893bb;
  --green:    #16a34a;
  --green-bg: rgba(22,163,74,.1);
  --orange:   #d97706;
  --orange-bg:rgba(217,119,6,.1);
  --red:      #dc2626;
  --red-bg:   rgba(220,38,38,.1);
  --shadow:   0 1px 4px rgba(79,103,232,.08),0 4px 16px rgba(79,103,232,.06);
  --shadow-md:0 4px 24px rgba(79,103,232,.12);
}

body{
  font-family:'Nunito',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  font-size:14px;
  line-height:1.6;
}

/* ─── NAV ─── */
nav, .admin-nav{
  background:var(--surface);
  border-bottom:1px solid var(--border);
  padding:14px 28px;
  display:flex;align-items:center;justify-content:space-between;
  box-shadow:0 1px 0 var(--border);
}
.nav-brand{font-size:18px;font-weight:800;color:var(--primary);letter-spacing:-.3px}
.nav-brand span{font-size:11px;background:var(--primary);color:#fff;padding:2px 8px;border-radius:20px;margin-left:8px;vertical-align:middle;font-weight:700}
.nav-right,.nav-user{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text2)}
.nav-right a,.nav-user a{color:var(--primary);text-decoration:none;font-weight:600}
.nav-right a:hover,.nav-user a:hover{text-decoration:underline}

/* ─── TABS ─── */
.tabs{
  display:flex;gap:4px;padding:16px 28px 0;
  background:var(--surface);
  border-bottom:2px solid var(--border);
  flex-wrap:wrap;
}
.tab{
  padding:9px 16px;border-radius:8px 8px 0 0;font-size:13px;font-weight:700;
  cursor:pointer;color:var(--text2);border:1px solid transparent;
  border-bottom:none;transition:all .15s;white-space:nowrap;
  font-family:'Nunito',sans-serif;
}
.tab.active{background:var(--bg);color:var(--primary);border-color:var(--border);border-bottom-color:var(--bg)}
.tab:hover:not(.active){color:var(--primary);background:var(--primary-l)}
.tab-content{display:none;padding:28px}
.tab-content.active{display:block}

/* ─── STATS ─── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:28px}
.stat{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:20px;box-shadow:var(--shadow);transition:box-shadow .15s;
}
.stat:hover{box-shadow:var(--shadow-md)}
.stat-label{font-size:11.5px;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-weight:700}
.stat-value{font-size:28px;font-weight:900;color:var(--primary)}
.stat-value.green{color:var(--green)}
.stat-value.orange{color:var(--orange)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.card-label{font-size:11.5px;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-weight:700}
.card-value{font-size:26px;font-weight:900;color:var(--primary)}
.card-value.green{color:var(--green)}
.card-value.orange{color:var(--orange)}

/* ─── SECTION ─── */
.section{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:24px;margin-bottom:24px;box-shadow:var(--shadow);
}
.section h3,.section-title{
  font-size:15px;font-weight:800;color:var(--text);
  margin-bottom:16px;border-bottom:2px solid var(--border);
  padding-bottom:10px;font-family:'Nunito',sans-serif;
}
h2{font-size:22px;font-weight:900;color:var(--text);margin-bottom:20px}

/* ─── FORM ─── */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.form-group{margin-bottom:0}
label{display:block;font-size:12.5px;font-weight:700;color:var(--text2);margin-bottom:5px}
input[type=text],input[type=number],input[type=email],input[type=password],
input[type=datetime-local],select,textarea{
  width:100%;padding:10px 12px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:9px;color:var(--text);font-family:'Nunito',sans-serif;
  font-size:13.5px;outline:none;transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(79,103,232,.1)}
textarea{resize:vertical;min-height:70px}
.search-bar{
  width:100%;max-width:340px;padding:9px 14px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:9px;color:var(--text);font-family:'Nunito',sans-serif;
  font-size:13px;outline:none;margin-bottom:16px;
}
.search-bar:focus{border-color:var(--primary);background:#fff}

/* ─── BUTTONS ─── */
.btn{
  display:inline-block;padding:9px 18px;background:var(--primary);
  color:#fff;border:none;border-radius:9px;font-size:13px;font-weight:700;
  cursor:pointer;font-family:'Nunito',sans-serif;transition:background .15s,transform .1s;
}
.btn:hover{background:var(--primary-h);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-green{background:#16a34a}.btn-green:hover{background:#15803d}
.btn-red{background:#dc2626}.btn-red:hover{background:#b91c1c}
.btn-purple{background:#7c3aed}.btn-purple:hover{background:#6d28d9}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-l)}

/* ─── TABLE ─── */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{
  text-align:left;color:var(--text3);font-weight:700;
  padding:9px 12px;border-bottom:2px solid var(--border);
  white-space:nowrap;font-size:12px;text-transform:uppercase;letter-spacing:.05em;
  background:var(--surface2);
}
th:first-child{border-radius:8px 0 0 0}
th:last-child{border-radius:0 8px 0 0}
td{padding:11px 12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--primary-l)}

/* ─── BADGE ─── */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700}
.badge-active,.badge-success{background:var(--green-bg);color:var(--green)}
.badge-pending{background:var(--orange-bg);color:var(--orange)}
.badge-failed,.badge-banned,.badge-suspended{background:var(--red-bg);color:var(--red)}
.badge-expired{background:rgba(100,116,139,.12);color:#64748b}

/* ─── MODAL ─── */
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(30,38,71,.4);z-index:1000;align-items:center;justify-content:center;backdrop-filter:blur(3px)}
.modal-backdrop.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:100%;max-width:480px;margin:20px;overflow:hidden;box-shadow:var(--shadow-md)}
.modal-head{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--surface2)}
.modal-head h4{font-size:15px;font-weight:800;color:var(--text)}
.modal-close{background:none;border:none;color:var(--text3);font-size:20px;cursor:pointer;line-height:1;padding:2px 6px;border-radius:6px}
.modal-close:hover{color:var(--red);background:var(--red-bg)}
.modal-body{padding:22px 24px}
.modal-body .form-group{margin-bottom:14px}
.modal-body .form-group:last-child{margin-bottom:0}
.modal-foot{padding:14px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;background:var(--surface2)}

/* ─── TOAST ─── */
.toast{
  position:fixed;bottom:24px;right:24px;background:var(--primary);color:#fff;
  padding:13px 22px;border-radius:12px;font-size:14px;font-weight:700;
  z-index:9999;opacity:0;transform:translateY(10px);transition:all .3s;
  pointer-events:none;box-shadow:var(--shadow-md);font-family:'Nunito',sans-serif;
}
.toast.show{opacity:1;transform:translateY(0)}

/* ─── TOGGLE ─── */
.toggle{position:relative;display:inline-block;width:40px;height:22px}
.toggle input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;inset:0;background:#c7d2ee;border-radius:22px;transition:.3s}
.slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background:white;border-radius:50%;transition:.3s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
input:checked+.slider{background:var(--primary)}
input:checked+.slider:before{transform:translateX(18px)}

/* ─── PASSWORD ─── */
.pw-wrap{display:flex;align-items:center;gap:6px}
.pw-mask{font-size:13px;color:var(--text3);letter-spacing:2px}
.pw-btn{background:none;border:none;cursor:pointer;color:var(--text3);font-size:13px;padding:3px 6px;border-radius:6px}
.pw-btn:hover{color:var(--primary);background:var(--primary-l)}

/* ─── MISC ─── */
.empty{text-align:center;padding:36px;color:var(--text3);font-size:13px}
.alert-success{background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.3);color:#15803d;padding:11px 16px;border-radius:10px;font-size:13.5px;margin-bottom:16px;font-weight:600}
.alert-error{background:var(--red-bg);border:1px solid rgba(220,38,38,.3);color:var(--red);padding:11px 16px;border-radius:10px;font-size:13.5px;margin-bottom:16px;font-weight:600}
.alert-warning{background:var(--orange-bg);border:1px solid rgba(217,119,6,.3);color:#b45309;padding:11px 16px;border-radius:10px;font-size:13.5px;margin-bottom:16px;font-weight:600}

/* ─── LOGIN / REGISTER BOX ─── */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#eef1fd 0%,#f0f4ff 50%,#e8eeff 100%)}
.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px;width:100%;max-width:420px;box-shadow:var(--shadow-md)}
.auth-logo{font-size:24px;font-weight:900;color:var(--primary);text-align:center;margin-bottom:6px;letter-spacing:-.5px}
.auth-sub{text-align:center;font-size:13px;color:var(--text3);margin-bottom:28px;font-weight:500}
.auth-btn{
  width:100%;padding:12px;background:var(--primary);color:#fff;border:none;
  border-radius:10px;font-size:15px;font-weight:800;cursor:pointer;
  font-family:'Nunito',sans-serif;transition:background .15s,transform .1s;
}
.auth-btn:hover{background:var(--primary-h);transform:translateY(-1px)}
.auth-footer{text-align:center;margin-top:20px;font-size:13.5px;color:var(--text3)}
.auth-footer a{color:var(--primary);text-decoration:none;font-weight:700}
.auth-error{background:var(--red-bg);border:1px solid rgba(220,38,38,.3);color:var(--red);padding:11px 14px;border-radius:10px;font-size:13px;margin-bottom:16px;font-weight:600}
.auth-ok{background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.3);color:#15803d;padding:11px 14px;border-radius:10px;font-size:13px;margin-bottom:16px;font-weight:600}

/* ─── DEPOSIT ─── */
.info-box{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:14px}
.info-row{display:flex;justify-content:space-between;align-items:center;padding:7px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.info-row:last-child{border-bottom:none}
.info-label{color:var(--text2);font-weight:600}
.info-value{color:var(--text);font-weight:700;text-align:right;display:flex;align-items:center;gap:8px}
.code-box{background:var(--primary-l);border:2px solid var(--primary);border-radius:10px;padding:12px 16px;font-family:monospace;font-size:22px;font-weight:900;color:var(--primary);text-align:center;letter-spacing:.08em;margin-bottom:14px}
.bank-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.bank-tab{padding:7px 14px;border:1.5px solid var(--border);border-radius:9px;font-size:12.5px;cursor:pointer;color:var(--text2);background:var(--surface2);transition:all .15s;font-family:'Nunito',sans-serif;font-weight:600}
.bank-tab.active,.bank-tab:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.bank-card{display:none !important}
.bank-card.active{display:block !important}
.deposit-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media(max-width:720px){.deposit-layout{grid-template-columns:1fr}}

/* ─── DEPOSIT PAGE ─── */
.presets{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}
.auto-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.3);border-radius:20px;padding:4px 12px;font-size:12px;color:#16a34a;font-weight:700}
.note-box{background:#fffbeb;border:1px solid #fcd34d;border-radius:10px;padding:12px 14px;font-size:12.5px;color:#92400e;margin-top:10px}
.qr-wrap{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center;margin-bottom:14px}
.qr-wrap img{max-width:180px;width:100%;height:auto;border-radius:8px}
.qr-bank{margin-top:8px;font-size:13px;font-weight:700;color:var(--text2)}

/* ─── AMT COLORS ─── */
.amt-plus{color:var(--green);font-weight:700}
.amt-minus{color:var(--red);font-weight:700}

@media(max-width:600px){
  .tab-content{padding:16px}
  nav,.admin-nav{padding:12px 16px}
  .tabs{padding:12px 16px 0}
}