*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Sarabun','Helvetica Neue',Arial,sans-serif;background:#f0f4f8;color:#2d3748;font-size:16px;line-height:1.6}

/* LOGIN */
.login-bg{min-height:100vh;background:linear-gradient(135deg,#1a56db 0%,#0e3a9e 50%,#072a7a 100%);display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{background:#fff;border-radius:20px;padding:40px 36px;width:100%;max-width:440px;box-shadow:0 20px 60px rgba(0,0,0,0.25);text-align:center}
@media(max-width:480px){.login-card{padding:32px 20px}}
.login-logo{font-size:3rem;margin-bottom:10px}
.login-title{font-size:1.4rem;font-weight:700;color:#1a202c;margin-bottom:6px}
.login-sub{font-size:0.92rem;color:#718096;margin-bottom:4px}
.login-domain{display:inline-block;background:#ebf4ff;color:#1a56db;border-radius:20px;padding:4px 14px;font-size:0.8rem;font-weight:600;margin-bottom:20px}
.login-greeting{background:#f0fff4;border:1px solid #9ae6b4;border-radius:8px;padding:8px 12px;font-size:0.88rem;font-weight:600;color:#22543d;margin-bottom:12px;text-align:left}
.login-hint{font-size:0.84rem;color:#718096;margin-bottom:14px;text-align:left}
.login-error{background:#fed7d7;color:#742a2a;border:1px solid #fc8181;border-radius:8px;padding:10px 14px;font-size:0.85rem;margin-bottom:12px;text-align:left}
.reg-info-box{background:#fffbeb;border:1px solid #f6ad55;border-radius:8px;padding:8px 12px;font-size:0.82rem;color:#7b341e;margin-bottom:12px;text-align:left}
.pw-wrap{position:relative;display:flex;align-items:center}
.pw-wrap input{padding-right:40px!important}
.pw-eye{position:absolute;right:10px;background:none;border:none;cursor:pointer;font-size:1rem;padding:4px;opacity:0.6;transition:opacity 0.2s}
.pw-eye:hover{opacity:1}
.btn-back{display:block;width:100%;margin-top:10px;background:none;border:none;color:#718096;font-size:0.85rem;cursor:pointer;padding:6px;text-align:center;transition:color 0.2s}
.btn-back:hover{color:#2d3748}
.btn-text-link{display:block;width:100%;margin-top:8px;background:none;border:none;color:#1a56db;font-size:0.83rem;cursor:pointer;padding:4px;text-align:center;text-decoration:underline}

/* LOADING */
.loading-center{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.spinner-lg{width:44px;height:44px;border:4px solid #e2e8f0;border-top-color:#1a56db;border-radius:50%;animation:spin 0.8s linear infinite;margin-bottom:20px}
@keyframes spin{to{transform:rotate(360deg)}}
#loading-msg{color:#718096;font-size:1rem}

/* NAVBAR */
.navbar{background:#1a56db;color:#fff;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:56px;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,0.15)}
.navbar-brand{font-weight:700;font-size:1.05rem}
.navbar-user{display:flex;align-items:center;gap:10px;font-size:0.85rem;min-width:0}
.navbar-user span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}
@media(max-width:480px){.navbar-user span:first-child{display:none}}
.role-badge{flex-shrink:0;border-radius:20px;padding:3px 10px;font-size:0.75rem;font-weight:700;letter-spacing:0.04em}
.role-badge.admin{background:#f6ad55;color:#7b341e}
.role-badge.staff{background:#68d391;color:#22543d}
.role-badge.user{background:rgba(255,255,255,0.25);color:#fff}
.btn-logout{background:rgba(255,255,255,0.15);border:none;border-radius:8px;color:#fff;cursor:pointer;padding:5px 10px;font-size:1rem;transition:background 0.2s;flex-shrink:0}
.btn-logout:hover{background:rgba(255,255,255,0.28)}

/* TABS */
.tabs{display:flex;gap:4px;padding:16px 16px 0;max-width:960px;margin:0 auto;flex-wrap:wrap}
.tab-btn{padding:9px 18px;border:none;border-radius:8px 8px 0 0;cursor:pointer;font-size:0.9rem;font-weight:600;background:#e2e8f0;color:#4a5568;transition:all 0.2s}
.tab-btn.active{background:#fff;color:#1a56db;box-shadow:0 -2px 0 #1a56db inset}
.tab-btn:hover:not(.active){background:#cbd5e0}

/* PAGE WRAPPER */
.page-wrapper{max-width:960px;margin:0 auto;padding:0 16px 40px}
.tab-panel{display:none;background:#fff;border-radius:0 12px 12px 12px;box-shadow:0 1px 6px rgba(0,0,0,0.08);padding:24px;margin-bottom:24px}
.tab-panel.active{display:block}
.section-title{font-size:1.05rem;font-weight:700;color:#1a56db;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #e2e8f0}

/* FORM */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
label{font-size:0.85rem;font-weight:600;color:#4a5568}
.req{color:#e53e3e;margin-left:2px}
input[type=text],input[type=email],input[type=date],input[type=password],input[type=tel],input[type=number],select,textarea{
  width:100%;padding:10px 12px;border:1.5px solid #cbd5e0;border-radius:8px;font-size:0.95rem;color:#2d3748;
  background:#fff;appearance:none;-webkit-appearance:none;transition:border-color 0.2s;font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:#1a56db;box-shadow:0 0 0 3px rgba(26,86,219,0.15)}
input:disabled,select:disabled{background:#f7fafc;color:#a0aec0}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:8px;font-size:0.92rem;font-weight:600;cursor:pointer;transition:background 0.2s,transform 0.1s;min-height:42px;white-space:nowrap;font-family:inherit}
.btn:active{transform:scale(0.97)}
.btn:disabled{opacity:0.5;cursor:not-allowed}
.btn-primary{background:#1a56db;color:#fff}
.btn-primary:hover:not(:disabled){background:#1648c0}
.btn-secondary{background:#e2e8f0;color:#4a5568}
.btn-secondary:hover:not(:disabled){background:#cbd5e0}
.btn-danger{background:#e53e3e;color:#fff;font-size:0.8rem;padding:6px 12px;min-height:34px}
.btn-danger:hover:not(:disabled){background:#c53030}
.btn-warning{background:#dd6b20;color:#fff;font-size:0.8rem;padding:6px 12px;min-height:34px}
.btn-warning:hover:not(:disabled){background:#c05621}
.btn-success{background:#38a169;color:#fff;font-size:0.8rem;padding:6px 12px;min-height:34px}
.btn-success:hover:not(:disabled){background:#2f855a}
.btn-full{width:100%;margin-top:8px}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}

/* ALERT */
.alert{padding:12px 16px;border-radius:8px;font-size:0.9rem;font-weight:600;margin-bottom:16px;display:none}
.alert.show{display:block}
.alert-success{background:#c6f6d5;color:#22543d;border:1px solid #9ae6b4}
.alert-error{background:#fed7d7;color:#742a2a;border:1px solid #fc8181}
.alert-info{background:#bee3f8;color:#2a4365;border:1px solid #90cdf4}
.alert-warning{background:#fefcbf;color:#744210;border:1px solid #f6e05e}

/* FILTER BAR */
.filter-bar{
  display:grid;
  grid-template-columns:1fr 1fr 1fr auto;
  gap:12px;
  align-items:end;
  margin-bottom:20px;
}

@media(max-width:700px){
  .filter-bar{
    grid-template-columns:1fr 1fr;
  }

  .filter-bar .btn{
    grid-column:1/-1;
  }
}
/* BOOKING CARDS */
.booking-list{display:flex;flex-direction:column;gap:12px}
.booking-card{border:1.5px solid #e2e8f0;border-radius:10px;padding:14px 16px;background:#f7fafc}
.booking-card.pending{border-color:#f6ad55;background:#fffbeb}
.booking-card.rejected{border-color:#fc8181;background:#fff5f5;opacity:0.85}
.booking-card-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:8px}
.booking-id{font-size:0.75rem;font-weight:700;color:#718096}
.booking-title{font-size:1rem;font-weight:700;color:#2d3748;margin-top:2px}
.booking-room{display:inline-block;background:#ebf4ff;color:#1a56db;border-radius:6px;padding:2px 10px;font-size:0.82rem;font-weight:600}
.booking-meta{font-size:0.85rem;color:#4a5568;margin-top:4px}
.booking-meta span{margin-right:12px}
.booking-card-bottom{display:flex;justify-content:flex-end;margin-top:10px}
.empty-msg{text-align:center;padding:32px;color:#a0aec0;font-size:0.95rem}
.status-pill{display:inline-block;border-radius:20px;padding:2px 10px;font-size:0.78rem;font-weight:700}
.status-booked{background:#c6f6d5;color:#22543d}
.status-pending{background:#fef3c7;color:#92400e}
.status-rejected{background:#fed7d7;color:#742a2a}

/*เสริม*/
.booking-card-head{
  flex:1;
  min-width:0;
}

.booking-card-status{
  display:flex;
  gap:8px;
  align-items:flex-start;
  flex-wrap:wrap;
}

.booking-meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px 16px;
  margin-top:8px;
}

.booking-meta-item{
  font-size:0.9rem;
  color:#4a5568;
  line-height:1.5;
}

@media (max-width: 600px){
  .booking-card-top{
    flex-direction:column;
    align-items:flex-start;
  }

  .booking-card-status{
    width:100%;
  }

  .booking-meta-row{
    flex-direction:column;
    gap:6px;
  }

  .booking-meta-item{
    font-size:0.95rem;
  }
}


/* TABLE */
.data-table{width:100%;border-collapse:collapse;font-size:0.88rem}
.data-table th{background:#edf2f7;color:#4a5568;font-weight:700;padding:10px 12px;text-align:left;border-bottom:2px solid #e2e8f0}
.data-table td{padding:10px 12px;border-bottom:1px solid #e2e8f0;vertical-align:middle}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:#f7fafc}
.td-center{text-align:center;color:#a0aec0}
@media(max-width:600px){.data-table{font-size:0.8rem}.data-table th,.data-table td{padding:8px}}

/* BADGE */
.badge{display:inline-block;border-radius:20px;padding:2px 10px;font-size:0.75rem;font-weight:700}
.badge-active{background:#c6f6d5;color:#22543d}
.badge-inactive{background:#fed7d7;color:#742a2a}
.badge-admin{background:#fef3c7;color:#92400e}
.badge-staff{background:#d1fae5;color:#065f46}
.badge-user{background:#e0e7ff;color:#3730a3}
.badge-haspass{background:#c6f6d5;color:#22543d}
.badge-nopass{background:#fef3c7;color:#92400e}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:200;display:none;align-items:center;justify-content:center;padding:16px;overflow-y:auto}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:14px;padding:28px;width:100%;max-width:500px;box-shadow:0 8px 32px rgba(0,0,0,0.18)}
.modal h3{font-size:1.05rem;font-weight:700;color:#2d3748;margin-bottom:18px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}

/* SPINNER */
.spinner{display:inline-block;width:16px;height:16px;border:3px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin 0.7s linear infinite;vertical-align:middle;margin-right:6px;opacity:0.7}

/* APPROVE CARD */
.approve-card{border:1.5px solid #f6ad55;border-radius:10px;padding:14px 16px;background:#fffbeb}
.approve-card-actions{display:flex;gap:10px;margin-top:10px;justify-content:flex-end}

/* ============================================================
   MOBILE RESPONSIVE FIXES V4 (ขยายขนาดทุกอย่าง ใหญ่เต็มตา)
============================================================ */

/* ป้องกัน iOS ซูมหน้าจอ และเพิ่มขนาดอักษรฐาน */
input, select, textarea {
  font-size: 18px !important; /* ขยายตัวอักษรในช่องกรอก */
}

@media (max-width: 768px) {
  /* 1. ขยายขนาดตัวหนังสือโดยรวม */
  body {
    font-size: 16px !important;
  }

  /* 2. ขยาย Label (หัวข้อ) ให้ตัวใหญ่และอ่านง่ายขึ้น */
  label {
    font-size: 1.05rem !important;
    margin-bottom: 6px !important;
  }

  /* 3. ขยายกล่องกรอกข้อความ / Dropdown ให้สูงและอ้วนขึ้น นิ้วจิ้มง่าย */
  input[type="text"], input[type="email"], input[type="date"],
  input[type="password"], input[type="tel"], input[type="number"],
  select, textarea {
    padding: 14px 16px !important; /* เพิ่มความอ้วนให้กล่อง */
    height: auto !important;
    border-radius: 10px !important;
  }

  /* 4. ขยายปุ่มกด ให้สูงขึ้น จิ้มไม่พลาดแน่นอน */
  .btn {
    font-size: 1.1rem !important;
    padding: 14px 20px !important;
    border-radius: 10px !important;
    min-height: 52px !important; /* บังคับความสูงปุ่ม */
  }

  /* 5. ขยายแท็บเมนูด้านบน */
  .tabs {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    padding: 12px 5px 0 !important;
  }
  .tabs::-webkit-scrollbar {
    display: none;
  }
  .tab-btn {
    flex-shrink: 0 !important;
    font-size: 1.05rem !important; /* ขยายอักษรเมนู */
    padding: 12px 18px !important;
  }

  /* 6. จัดการฟอร์มไม่ให้เบียดกัน (บังคับ 1 คอลัมน์) */
  .form-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 16px !important; /* เพิ่มระยะห่างระหว่างช่อง */
  }

  /* 7. ขยายการ์ดแสดงรายการจอง */
  .booking-title {
    font-size: 1.15rem !important;
  }
  .booking-meta {
    font-size: 1rem !important;
    margin-top: 8px !important;
  }
  .booking-meta span {
    display: block !important; /* ให้ข้อมูลเช่น วันที่, เวลา เรียงลงมาคนละบรรทัด */
    margin-bottom: 6px !important;
  }

  /* 8. ปรับ Navbar (แถบบนสุด) และซ่อนชื่อยาวๆ */
  .navbar-user span:first-child {
    display: none !important;
  }
  .navbar-brand {
    font-size: 1.2rem !important;
  }

  /* 9. ลดขอบหน้าจอ และขยายขนาด Pop-up */
  .page-wrapper {
    padding: 0 10px 40px !important;
  }
  .tab-panel {
    padding: 24px 16px !important;
  }
  .login-card {
    width: 95% !important;
    padding: 30px 20px !important;
  }
}

/* LOGO LOGIN */
.login-logo img{
  width:120px;
  height:120px;
  object-fit:contain;
}

/* NAVBAR LOGO */
.navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
}

.nav-logo{
  width:32px;
  height:32px;
  object-fit:contain;
}

.user-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  background:#f5f7fb;
  border-radius:12px;
  border:1px solid #e5e7eb;
}

.user-avatar{
  width:42px;
  height:42px;
  border-radius:50%;
  background:#6d28d9;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:600;
  flex-shrink:0;
}

.user-info{
  flex:1;
  min-width:0;
}

.user-name{
  font-weight:600;
  color:#111827;
}

.user-email{
  font-size:12px;
  color:#6b7280;
  word-break:break-word;
}

.user-role{
  font-size:12px;
  padding:4px 10px;
  border-radius:12px;
  font-weight:600;
  background:#e5e7eb;
  white-space:nowrap;
}

.role-admin{ background:#fee2e2; color:#b91c1c; }
.role-staff{ background:#e0f2fe; color:#0369a1; }
.role-user{ background:#e9d5ff; color:#6b21a8; }