/* =============================================
   MailSystem — UI v2
   ============================================= */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#F1F5F9;
  --surface:#FFFFFF;
  --surface-2:#F8FAFC;
  --border:#E2E8F0;
  --border-strong:#CBD5E1;
  --text:#0F172A;
  --text-2:#334155;
  --muted:#64748B;
  --accent:#2563EB;
  --accent-h:#1D4ED8;
  --accent-light:#EFF6FF;
  --accent-border:#BFDBFE;
  --danger:#DC2626;
  --danger-light:#FEF2F2;
  --success:#16A34A;
  --success-light:#F0FDF4;
  --warn-bg:#FFFBEB;
  --warn-border:#FDE68A;
  --warn-text:#92400E;
  --sb-bg:#0F172A;
  --sb-border:rgba(255,255,255,.07);
  --sb-text:#94A3B8;
  --sb-text-h:#E2E8F0;
  --sb-active-bg:rgba(59,130,246,.14);
  --sb-active-text:#93C5FD;
  --sb-active-bdr:#3B82F6;
  --radius:8px;
  --radius-lg:12px;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 4px 14px rgba(0,0,0,.06);
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
}

body{font-family:'Inter','Sarabun','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}

/* ── Login ──────────────────────── */
.login-wrap{min-height:100vh;display:flex}
.login-left{width:420px;background:var(--sb-bg);display:flex;flex-direction:column;justify-content:center;padding:64px 52px;flex-shrink:0}
.login-left .brand{display:flex;align-items:center;gap:12px;margin-bottom:52px}
.login-left .brand .ico{width:42px;height:42px;background:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center}
.login-left .brand .ico svg{color:#fff}
.login-left .brand .name{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.3px}
.login-left h2{font-size:26px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:10px}
.login-left p{color:var(--sb-text);font-size:14px;line-height:1.7}
.login-right{flex:1;display:flex;align-items:center;justify-content:center;padding:40px}
.login-form-box{width:100%;max-width:400px}
.login-form-box h3{font-size:20px;font-weight:700;margin-bottom:4px}
.login-form-box .sub{color:var(--muted);font-size:13px;margin-bottom:28px}

/* ── Form ───────────────────────── */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:12px;font-weight:600;margin-bottom:5px;color:var(--text-2)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 13px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;background:var(--surface);color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-group textarea{resize:vertical;min-height:90px}

/* ── Buttons ────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .15s;text-decoration:none;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-h)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{opacity:.85}
.btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text-2)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--border-strong)}
.btn-full{width:100%;justify-content:center;padding:11px;font-size:14px}

/* ── Alert ──────────────────────── */
.alert{padding:11px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #FECACA}
.alert-success{background:var(--success-light);color:var(--success);border:1px solid #BBF7D0}

/* ── Layout ─────────────────────── */
.layout{display:flex;min-height:100vh}

/* ── Sidebar ────────────────────── */
.sidebar{width:256px;background:var(--sb-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:40}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:22px 18px 18px;border-bottom:1px solid var(--sb-border)}
.sidebar .brand .ico{width:32px;height:32px;background:var(--accent);border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sidebar .brand .ico svg{color:#fff}
.sidebar .brand .name{font-size:15px;font-weight:700;color:#fff;letter-spacing:-.2px}
.sidebar .user-box{padding:13px 18px;border-bottom:1px solid var(--sb-border)}
.sidebar .user-box .role{font-size:10px;font-weight:600;color:var(--sb-text);letter-spacing:.6px;text-transform:uppercase;margin-bottom:2px}
.sidebar .user-box .umail{font-size:12px;font-weight:500;color:var(--sb-text-h);word-break:break-all}
.sidebar nav{flex:1;padding:10px 10px}
.sidebar nav a{display:flex;align-items:center;gap:9px;padding:9px 11px;color:var(--sb-text);text-decoration:none;font-size:13px;font-weight:500;border-radius:7px;margin-bottom:2px;transition:background .12s,color .12s;border-left:2.5px solid transparent}
.sidebar nav a .icon{width:16px;height:16px;flex-shrink:0;opacity:.7}
.sidebar nav a:hover{background:rgba(255,255,255,.07);color:var(--sb-text-h)}
.sidebar nav a:hover .icon{opacity:1}
.sidebar nav a.active{background:var(--sb-active-bg);color:var(--sb-active-text);border-left-color:var(--sb-active-bdr)}
.sidebar nav a.active .icon{opacity:1}
.nav-badge{margin-left:auto;background:#EF4444;color:#fff;border-radius:20px;padding:1px 7px;font-size:10px;font-weight:700}
.sidebar .logout-area{padding:10px 10px;border-top:1px solid var(--sb-border)}
.sidebar .logout-area a{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:7px;color:var(--sb-text);text-decoration:none;font-size:13px;font-weight:500;transition:background .12s,color .12s}
.sidebar .logout-area a:hover{background:rgba(239,68,68,.14);color:#F87171}

/* ── Main Content ───────────────── */
.main-content{margin-left:256px;flex:1;min-width:0;padding:28px 32px}

/* ── Page Header ────────────────── */
.page-header{margin-bottom:22px}
.page-header h1{font-size:19px;font-weight:700}
.page-header p{color:var(--muted);font-size:13px;margin-top:3px}

/* ── Cards ──────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.card-header{padding:15px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-header h2{font-size:14px;font-weight:600}
.card-body{padding:20px}

/* ── Table ──────────────────────── */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{text-align:left;font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.4px;padding:9px 13px;border-bottom:1.5px solid var(--border);background:var(--surface-2);white-space:nowrap}
tbody td{padding:11px 13px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--surface-2)}

/* ── Badge ──────────────────────── */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600}
.badge-green{background:#DCFCE7;color:#15803D}
.badge-red{background:#FEE2E2;color:#B91C1C}
.badge-blue{background:#DBEAFE;color:#1D4ED8}
.badge-gray{background:#F1F5F9;color:#475569}

/* ── Mail Inbox List ────────────── */
.inbox-topbar{padding:18px 24px 15px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface)}
.inbox-topbar h1{font-size:17px;font-weight:700}
.mail-list{list-style:none}
.mail-item{display:flex;align-items:flex-start;gap:12px;padding:12px 24px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s;border-left:3px solid transparent}
.mail-item:hover{background:var(--surface-2)}
.mail-item.unread{border-left-color:var(--accent);background:#F0F7FF}
.mail-item.unread:hover{background:#E8F2FF}
.mail-item.unread .ms{font-weight:700;color:var(--text)}
.mail-item.unread .mf{color:var(--text);font-weight:600}
.mail-av{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;color:#fff;margin-top:1px}
.mail-meta{flex:1;min-width:0}
.mail-row1{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:1px}
.mf{font-size:12.5px;font-weight:500;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mt{font-size:11px;color:var(--muted);white-space:nowrap;flex-shrink:0}
.ms{font-size:13px;color:var(--text-2);margin-bottom:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mp{font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── Mail Read ──────────────────── */
.mail-rd-sub{font-size:20px;font-weight:700;line-height:1.3;margin-bottom:14px}
.mail-rd-meta{display:flex;gap:24px;flex-wrap:wrap;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:0}
.meta-itm .lbl{font-size:10px;font-weight:700;color:var(--muted);letter-spacing:.5px;margin-bottom:2px}
.meta-itm .val{font-size:13px;color:var(--text)}
.mail-body-html{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px;line-height:1.75;color:#222}
.mail-body-html *{max-width:100%!important;box-sizing:border-box}
.mail-body-html table{width:auto!important;max-width:100%!important;border-collapse:collapse}
.mail-body-html img{max-width:100%!important;height:auto!important;display:block}
.mail-body-html a{color:#2563EB}
.mail-body-html td,.mail-body-html th{word-break:break-word}

/* ── Bars ───────────────────────── */
.sync-bar{background:var(--accent-light);border-bottom:1px solid var(--accent-border);color:#1E40AF;padding:7px 24px;font-size:12px;display:flex;align-items:center;gap:8px}
.warn-bar{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);padding:10px 16px;border-radius:var(--radius);margin-bottom:14px;display:flex;align-items:center;gap:10px;font-size:13px}
.admin-bar-top{background:var(--sb-bg);color:var(--sb-text);padding:9px 24px;font-size:12px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.admin-bar-top strong{color:var(--sb-text-h)}
.admin-bar-top a{color:#60A5FA;text-decoration:none}
.admin-bar-top a:hover{color:#fff}

/* ── Stats ──────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-bottom:22px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px;display:flex;align-items:flex-start;gap:12px}
.stat-ico{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.stat-lbl{font-size:11px;color:var(--muted);font-weight:500;margin-bottom:3px}
.stat-val{font-size:24px;font-weight:800;color:var(--text);line-height:1}

/* ── Modal ──────────────────────── */
.modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.modal-bg.show{display:flex}
.modal{background:var(--surface);border-radius:var(--radius-lg);padding:26px;width:400px;max-width:90vw;box-shadow:0 16px 48px rgba(0,0,0,.2)}
.modal h3{font-size:15px;font-weight:700;margin-bottom:4px}
.modal .msub{color:var(--muted);font-size:12.5px;margin-bottom:16px}

/* ── Responsive ─────────────────── */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .main-content{margin-left:0;padding:16px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .login-left{display:none}
  .login-right{padding:24px}
}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}