@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.13.1/font/bootstrap-icons.min.css");
@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&family=Sarabun:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800&display=swap');

:root {
  --sidebar-bg: #D5E6FF;
  --sidebar-highlight: #2d3050;
  --accent: #4f46e5;
  --text-light: #000000;
  --text-muted: #000000;
  --border: #3f415a;
  --bg-light: #EAF4FF;
  --font-family: "Sarabun", "Roboto", sans-serif;
  /* ขนาด/ชั้นเลเยอร์กลางระบบ */
  --header-h: 64px;
  --z-navbar: 1300;
  --z-sidebar: 1200;
  --z-overlay: 1250;
  --z-modal: 2000;
}

/* ====== Fix: ชั้นเลเยอร์หัว/ไซด์บาร์/โอเวอร์เลย์ ====== */
.navbar,
.topbar,
header.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
}

.sidebar {
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  z-index: var(--z-sidebar);
}

/* ====== Fix: Bootstrap Modal / กล่องพรีวิวไฟล์ ให้อยู่เหนือหัว + กึ่งกลาง + เลื่อนในกล่อง ====== */
.modal {
  z-index: var(--z-modal);
}

.modal-backdrop {
  z-index: calc(var(--z-modal) - 1);
}

.modal-dialog {
  max-width: min(95vw, 900px);
  margin: 2rem auto;
}

.modal-body {
  max-height: 80vh;
  overflow: auto;
}

.modal-body img,
.modal-body iframe,
.modal-body embed,
.modal-body object {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}


/* ===== Global responsive reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

img,
video {
  max-width: 100%;
  height: auto;
  /* display: block; */
}


/* ====== Login layout: กล่องกลางและโลโก้ยืดหยุ่น ====== */
.login-wrapper,
.login-box,
.card-login {
  width: min(92vw, 360px);
  margin-inline: auto;
}


form .form-control,
form input[type="text"],
form input[type="password"] {
  width: 100%;
  align-items: center;

}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

* {
  font-family: var(--font-family);
}

body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--bg-light);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

* ::-webkit-scrollbar {
  display: none;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 70px;
  background: #1976D2;
  border-bottom: 1px solid #a7a7a7;
  align-items: center;
  justify-content: flex-end;
  z-index: 1000;
}

.menu-toggle {
  font-size: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
   position: fixed; 
  /* fixed จะอยู่ข้างบนเสมอ */
  top: 15px;
  left: 15px;
   z-index: 1006; 
  /* สูงสุด */
  color: #fff;
}

.custom-sticky-navbar {
  position: fixed;
  /* ต้อง fixed เพื่ออยู่บนสุด */
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: #1976D2;
  display: flex;
  align-items: center;
  padding: 0 20px;
}

.content-center {
  padding-left: 160px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  text-align: center;
}

.content-center-img {
  max-width: 100%;
  height: auto;
}

.text {
  color: white;
  font-weight: bold;
  padding-right: 30px;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 250px;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background-color: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease-in-out;
  z-index: 1005;
  padding-top: 20px;
}

.sidebar img {
  width: 130px;
  margin-bottom: 10px;
}

.sidebar h4,
.sidebar small {
  text-align: center;
  margin: 5px 0;
}

.sidebar small {
  padding-bottom: 15px;
  color: #000000;
}

.sidebar-menu {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  /* เว้นจากโปรไฟล์ */
  width: 100%;
}

.sidebar-menu li {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-menu li a {
  display: block;
  padding: 15px 20px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 15px;
  border-radius: 50px;
  margin: 0 20px;
  transition: background 0.2s ease, padding-left 0.2s;
}

.sidebar-menu li a:hover {
  background-color: #1976D2;
  color: #ffffff;
  font-weight: 500;
  padding-left: 24px;
}

.content {
  margin-left: 250px;
  padding: 90px 20px 20px;
  /* กัน navbar ทับ */
  transition: margin-left 0.3s;
}

/* ===== Responsive (มือถือ/แท็บเล็ต) ===== */
@media (max-width: 768px) {
  .sidebar {
    width: 80vw !important;
    /* กินเต็มความกว้างหน้าจอ */
    max-width: none !important;
    /* เอาข้อจำกัดออก */
    height: 100vh !important;
    /* เต็มสูง */
    position: fixed;
    top: 0;
    left: 0px;
    margin-left: 250px;
    background: var(--sidebar-bg, #f5f5f5);
    z-index: 9999 !important;
    /* ให้สูงกว่า navbar */
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }


  /* เมื่อกดปุ่ม ให้เลื่อน sidebar ออกมา */
  .sidebar.active {
    transform: translateX(0);
  }

  /* Overlay ปกติซ่อนอยู่ */
  .overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1010;
  }

  /* เปิด overlay */
  .overlay.active {
    display: block;
  }

  /* Navbar และ content */
  .navbar {
    z-index: 1012;
  }

  .custom-sticky-navbar .text h2 {
    display: none;
  }

  .content {
    margin-left: 0 !important;
    /* content เต็มหน้าจอ */
    padding-top: 90px;
    /* เว้น navbar */
  }

  .content-center {
    padding-left: 0;
    /* โลโก้/ข้อความไม่ถูกเบียด */
  }
}


/* ====== dashboard ====== */
.dashboard {
  margin: 0;
  font-family: "Sarabun", sans-serif;
  background-color: #eaf5ff;
}

.header {
  background-color: #ffffff;
  padding: 16px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #3a3a3a;
  border-radius: 20px;
  margin: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.header::before {
  content: "👩‍🎓 ";
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}

.card {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  background-color: white;
  border-radius: 20px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  gap: 16px;
  justify-content: center;
}

.card img {
  width: 100px;
  height: auto;
  margin-bottom: 10px;
  flex-shrink: 0;
}

.card .text-group {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
}

.card .title {
  font-size: 16px;
  color: #333;
}

.card .number {
  font-size: 28px;
  font-weight: bold;
  margin: 8px 0;
}

.card .footer {
  font-size: 14px;
  color: #666;
}

@media (max-width: 768px) {
  .card {
    flex-direction: column;
    align-items: center;
    /* icon และ text กลาง */
    padding: 15px;
  }

  .card img {
    width: 60px;
    margin-bottom: 10px;
  }

  .text-group {
    align-items: center;
  }
}

@media (max-width: 768px) {

  /* ตารางเลื่อนแนวนอนได้ในจอแคบ  */
  table {
    display: block;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }

  thead {
    position: sticky;
    left: 0;
  }
}



/* ===== Information ===== */
.info {
  font-family: "Sarabun", sans-serif;
  background-color: #eaf3fd;
  padding: 20px;
}

.card-f {
  background: white;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  width: auto;
  margin: auto;
  padding: 30px;
  box-sizing: border-box;
}

.card-f h2 {
  font-size: 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-f h2::before {
  content: "👤";
}


.info-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
  margin-left: 30px;
}

label {
  font-weight: bold;
  margin-bottom: 5px;
  font-size: 14px;
}

input,
select,
textarea {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.info-group select {
  width: 100%;
}

select[disabled],
input[readonly],
textarea[readonly] {
  background-color: #f9f9f9;
}

.required::after {
  content: " *";
  color: red;
}

.container-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 20px;
  max-width: 600px;
  margin: auto;
}

.button-container {
  display: flex;
  gap: 20px;
  justify-content: flex-end;
  margin-top: 30px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 999px;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  color: black;
  transition: all 0.3s ease;
}


.cancel {
  background-color: red;
}

.confirm {
  background-color: limegreen;
}

.delete {
  background-color: red;
}

.edit {
  background-color: rgb(255, 217, 0);
}


.cancel:hover {
  background-color: darkred;
  box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.confirm:hover {
  background-color: green;
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.card-p {
  background: #f5f5f5;
  border-radius: 20px;
  padding: 30px;
  width: 400px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.popup {
  display: none;
  position: fixed;
  top: 30px;
  right: 30px;
  padding: 15px 25px;
  border-radius: 10px;
  color: white;
  font-weight: bold;
  z-index: 999;
  animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

.popup.success {
  background-color: #4CAF50;
  /* เขียว */
  box-shadow: 0 5px 15px rgba(0, 255, 0, 0.3);
}

.popup.error {
  background-color: #f44336;
  /* แดง */
  box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
}

@keyframes fadein {
  from {
    opacity: 0;
    top: 0px;
  }

  to {
    opacity: 1;
    top: 30px;
  }
}

@keyframes fadeout {
  from {
    opacity: 1;
    top: 30px;
  }

  to {
    opacity: 0;
    top: 0px;
  }
}


@media (max-width: 768px) {
  .container-info {
    flex-direction: column;
  }
}

/* ===== form ===== */
.form {
  font-family: "Sarabun", sans-serif;
  background: #f0f4f8;
  padding: 20px;
}

.card-form {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 10px;
}

.card-form label {
  margin-left: 30px;
}

.personal-info {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-left: 30px;
}

.info-item {
  flex: 1 1 300px;
  /* ปรับตามขนาดจอ */
  min-width: 250px;
}

h3 {
  margin-top: 0;
}

.card-form pre {
  padding-left: 40px;
  font-size: large;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 15px;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  /* 4 คอลัมน์ */
  grid-template-rows: repeat(3, auto);
  /* 3 แถว */
  gap: 10px;
}

.grid-item {
  padding-bottom: 5px;
}


textarea {
  grid-column: span 2;
  resize: vertical;
}

input[type="date"] {
  width: 80%;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
  margin-left: auto;
}

select {
  width: 85%;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

table th,
table td {
  border: none;
  padding: 8px;
  text-align: center;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
    /* คอลัมน์เดียว */
  }

  .form-grid label {
    margin-bottom: 5px;
  }


  #leaveTable {
    display: block;
    overflow-x: auto;
  }

  #leaveTable th,
  #leaveTable td {
    white-space: nowrap;
    /* ไม่ตัดคำ */
  }

  .button-container {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
    margin-top: 30px;
  }
}

/* ===== history ===== */
.title {
  font-weight: bold;
  font-size: 18px;
}

.container-status {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  /* 4 คอลัมน์เท่ากัน */
  gap: 20px;
  /* ระยะห่างระหว่างคอลัมน์ */
  position: relative;
}

.status-item {
  text-align: center;
  padding-top: 20px;
  opacity: 1;
  pointer-events: none;
  transition: 0.3s;
}

.status-item.disabled {
  opacity: 0.4;
  /* ทำให้จางลง */
  pointer-events: none;
  /* ไม่ให้คลิกได้ */
  cursor: not-allowed;
  /* เปลี่ยนเคอร์เซอร์ */
  filter: grayscale(100%);
  /* ทำให้เป็นขาวดำ */
}

.status-item img {
  width: 30%;
}



/* ===== Tablet ===== */
@media (max-width: 1024px) {
  .container-status {
    grid-template-columns: repeat(3, 1fr);
    /* 3 คอลัมน์ */
  }

  .status-item img {
    width: 40%;
  }

  .status-item.disabled {
    display: none;
  }
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .container-status {
    grid-template-columns: repeat(1, 1fr);
    /* 1 คอลัมน์เต็ม */
  }

  .status-item img {
    width: 50%;
  }

  .title {
    font-size: 16px;
  }

  .status-item.disabled {
    display: none;
  }
}


/* กำหนดความกว้างคอลัมน์ */
.table-his th:nth-child(1),
.table-his td:nth-child(1) {
  width: 10%;
  /* รหัส */
}

.table-his td:nth-child(2) {
  width: 20%;
  /* ชื่อนักศึกษา */
  text-align: left;
}

.table-his th:nth-child(3),
.table-his td:nth-child(3) {
  width: 10%;
  /* ประเภท */
}

.table-his th:nth-child(4),
.table-his td:nth-child(4) {
  width: 10%;
  /* วันที่ยื่น */
}

.table-his th:nth-child(5),
.table-his td:nth-child(5) {
  width: 20%;
  /* วันทีลา */
}

.table-his th:nth-child(6),
.table-his td:nth-child(6) {
  width: 10%;
  /* สถานะ */
}

.table-his th:nth-child(7),
.table-his td:nth-child(7) {
  width: 10%;
  /* รายละเอียด */
}

.table-header {
  color: #2F51FF;
}

.status-box {
  color: white;
  font-weight: bold;
  padding: 8px 15px;
  border-radius: 10px;
  margin: 5px auto;
  display: inline-block;
  font-size: 16px;
  pointer-events: none;
  border: white;
}

/* สีแต่ละสถานะ */
.status-box.rejected {
  background-color: #E52D2D;
  /* แดง */
}

.status-box.approved {
  background-color: #1EBF24;
  /* เขียว */
}

.status-box.pending {
  background-color: #E5832D;
  /* ส้ม */
}

.status-box.unready {
  background-color: #f6d029;
  /* เหลือง */
}

.status-box.null {
  background-color: rgb(172, 166, 166) !important;
  color: #e52d2d;
}


.btn-green {
  background-color: #1EBF24;
  color: white;
  padding: 8px 15px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-family: "Sarabun", sans-serif;
  cursor: pointer;
}

.btn-orange {
  background-color: #E5832D;
  color: white;
  padding: 8px 15px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-family: "Sarabun", sans-serif;
  cursor: pointer;
}

.btn-red {
  background-color: #E52D2D;
  color: white;
  padding: 8px 15px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-family: "Sarabun", sans-serif;
  cursor: pointer;
}

.btn-blue {
  background-color: #29b6f6;
  color: white;
  padding: 8px 18px;
  border: none;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
}

.btn-yellow {
  background-color: #f6d029;
  color: white;
  padding: 8px 15px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {



  /* ปรับ font และ padding */
  .his th,
  .his td {
    font-size: 13px;
    padding: 6px 8px;
  }

  .status-box {
    font-size: 14px;
    padding: 7px 9px;
  }

  .btn-green,
  .btn-orange,
  .btn-red,
  .btn-blue,
  .btn-yellow {
    font-size: 14px;
    padding: 8px 10px;
  }
  
  .sdt-btn-print-1 {
    display: none !important;
  }
}

.btn-blue-f,
.btn-yellow-f,
.btn-orange-f,
.btn-red-f,
.btn-green-f {
  padding: 11px 18px;
  margin: 2% 6% 0% 0%;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-family: "Sarabun", sans-serif;
  color: white;
  cursor: pointer;
  flex: 1 1 auto;
  /* ปุ่มยืดหดได้ */
  min-width: 140px;
  /* กันไม่ให้ปุ่มเล็กเกินไป */
  text-align: center;
}

/* สีแยกแต่ละปุ่ม */
.btn-blue-f {
  background-color: #29b6f6;
}

.btn-yellow-f {
  background-color: #f6d029;
}

.btn-orange-f {
  background-color: #e5832d;
}

.btn-red-f {
  background-color: #e52d2d;
}

.btn-green-f {
  background-color: #1ebf24;
}

.btns {
  display: flex;
  gap: 20px;
  align-items: center;
}

.if-stu-filter-full>div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  /* จัดตรงกลาง */
}

@media (max-width: 768px) {
  .if-stu-filter-f {
    flex-direction: row;
    /* บังคับให้อยู่แนวนอน */
    flex-wrap: wrap;
    /* ให้ตัดบรรทัดถ้าของล้น */
    gap: 10px;
    /* ระยะห่าง */
  }

  .if-stu-filter-f label {
    margin-bottom: 0;
    /* เอา margin ล่างออก */
  }

  .if-stu-filter-f select,
  .if-stu-filter-f button {
    flex: 1 1 auto;
    /* ให้ยืด/หดตามพื้นที่ */
    min-width: 120px;
    /* กันไม่ให้เล็กเกินไป */
  }
}

/* ===== Leave Detail ===== */
.card-detail {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 10px;
  position: relative;
}

.card-detail label {
  margin-left: 30px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 15px;
}

.grid-detail-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  /* 4 คอลัมน์ */
  grid-template-rows: repeat(3, auto);
  /* 3 แถว */
  gap: 10px;
}

.grid-item-detail {
  padding: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .grid-detail-container {
    grid-template-columns: 1fr 1fr;
  }

  /* ให้ label กับ value อยู่แบบ block */
  .grid-item-detail label {
    display: block;
    margin-bottom: 5px;
  }
}

@media (max-width: 768px) {

  /* ซ่อนคอลัมน์ "วัน" (column index 3) */
  .leave-day th:nth-child(3),
  .leave-day td:nth-child(3) {
    display: none;
  }
}

/* ===== Leave request ===== */
.table-rq {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 20px;
  font-size: 16px;
  cursor: pointer;
}

/* ปุ่มเฉพาะ */
.approve-btn {
  background-color: green;
  color: white;
}

.reject-btn {
  background-color: red;
  color: white;
}

/* ตำแหน่งปุ่มด้านขวาล่างของจอ */
.button-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
}

/* popup overlay */
.popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* popup กล่อง */
.popup-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  width: 320px;
}

.popup-box i {
  font-size: 40px;
  color: black;
  margin-bottom: 10px;
}

.popup-buttons {
  margin-top: 20px;
}

.popup-buttons button {
  margin: 0 10px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

.cancel-btn {
  background-color: gray;
  color: white;
}

.confirm-btn {
  background-color: green;
  color: white;
}

.reject-confirm-btn {
  background-color: red;
  color: white;
}


/* ===== Student Information ===== */

.if-stu-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.if-stu-filter select {
  display: inline;
  padding: 8px;
  font-size: 14px;
}

.if-stu-filter-left {
  width: 70%;
  display: flex;
  align-items: center;
  margin-left: 2px;
  gap: 10px;
}

.if-stu-filter-left label {
  margin-right: 5px;
  width: 70px;
  white-space: nowrap;
}

.if-stu-filter-full {
  width: 100%;
  display: flex;
  align-items: center;
  margin-left: 2px;
  gap: 10px;
}

.if-stu-filter-f {
  width: 100%;
  display: flex;
  align-items: center;
  margin-left: 2px;
  gap: 10px;
}

.if-stu-filter-f label {
  margin-right: 5px;
  width: 70px;
  white-space: nowrap;
}

.if-stu-add-btn {
  background-color: #00cc66;
  color: white;
  font-size: 24px;
  border: none;
  border-radius: 20px;
  width: 50px;
  height: 30px;
  cursor: pointer;
}

.if-stu-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.if-stu-table th {
  color: #2F51FF;
}

.if-stu-table th,
.if-stu-table td {
  padding: 10px;
  border-bottom: 1px solid #ccc;
}

/* กำหนดความกว้างคอลัมน์ */
.if-stu-table th:nth-child(1),
.if-stu-table td:nth-child(1) {
  width: 5%;
  /* ลำดับ */
}

.if-stu-table th:nth-child(2),
.if-stu-table td:nth-child(2) {
  width: 15%;
  /* รหัสนักศึกษา */
}

.if-stu-table td:nth-child(3) {
  width: 20%;
  /* ชื่อ-นามสกุล */
  text-align: left;
  /* ชื่อชอบให้ชิดซ้ายจะอ่านง่ายกว่า */
}

.if-stu-table th:nth-child(4),
.if-stu-table td:nth-child(4) {
  width: 15%;
  /* ห้อง */
}

.if-stu-table th:nth-child(5),
.if-stu-table td:nth-child(5) {
  width: 15%;
  /* สาขา */
}

.if-stu-table th:nth-child(6),
.if-stu-table td:nth-child(6) {
  width: 10%;
  /* รายละเอียด */
}



.his-stu-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.his-stu-table th {
  color: #2F51FF;
}

.his-stu-table th,
.his-stu-table td {
  padding: 10px;
  border-bottom: 1px solid #ccc;
}

/* กำหนดความกว้างคอลัมน์ */
.his-stu-table th:nth-child(1),
.his-stu-table td:nth-child(1) {
  width: 5%;
  /* ลำดับ */
}

.his-stu-table th:nth-child(2),
.his-stu-table td:nth-child(2) {
  width: 15%;
  /* รหัสนักศึกษา */
}

.his-stu-table td:nth-child(3) {
  width: 20%;
  /* ชื่อ-นามสกุล */
  text-align: left;
  /* ชื่อชอบให้ชิดซ้ายจะอ่านง่ายกว่า */
}

.his-stu-table th:nth-child(4),
.his-stu-table td:nth-child(4) {
  width: 15%;
  /* ห้อง */
}

.his-stu-table th:nth-child(5),
.his-stu-table td:nth-child(5) {
  width: 15%;
  /* สาขา */
}

.his-stu-table th:nth-child(6),
.his-stu-table td:nth-child(6) {
  width: 10%;
  /* จำนวนวันลา */
}

.his-stu-table th:nth-child(7),
.his-stu-table td:nth-child(7) {
  width: 10%;
  /* รายละเอียด */
}




.if-stu-search-btn {
  background-color: #00bfff;
  width: 30%;
  border: none;
  border-radius: 10px;
  padding: 6px 10px;
  color: white;
  cursor: pointer;
}

.if-stu-search-btn i {
  font-size: 16px;
}

@media screen and (max-width: 600px) {
  .if-stu-filter {
    flex-direction: column;
    align-items: flex-start;
  }

  .if-stu-table {
    font-size: 14px;
  }
}


/* ===== Add Room ===== */
.ar-btn-add {
  background-color: #00cc66;
  color: white;
  border: none;
  border-radius: 10px;
  width: 50px;
  height: 30px;
  font-size: 24px;
  cursor: pointer;
  float: right;
}

/* ✅ POPUP OVERLAY */
.ar-popup-overlay {
  display: none;
  /* ซ่อนไว้ก่อน */
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

/* ✅ POPUP BOX */
.ar-popup {
  background: white;
  padding: 30px;
  border-radius: 12px;
  width: 400px;
  max-width: 95%;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.ar-form-row {
  margin-bottom: 15px;
}

.ar-form-row select {
  width: 100%;
}

.ar-form-row label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  width: 100%;
}

.ar-form-row input {
  width: 95%;
  padding: 8px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

.ar-form-actions {
  text-align: right;
}

.ar-btn-cancel {
  background-color: #e74c3c;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 5px;
  margin-right: 5px;
  cursor: pointer;
}

.ar-btn-save {
  background-color: #27ae60;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 5px;
  cursor: pointer;
}

/* ===== Student Detail ===== */
.sdt-btn-add {
  background-color: #00cc66;
  color: white;
  border: none;
  border-radius: 10px;
  width: 60px;
  height: 30px;
  font-size: 24px;
  cursor: pointer;
  float: right;
  margin-right: 15px;
}

.sdt-btn-print {
  background-color: #00cc66;
  color: white;
  border: none;
  border-radius: 10px;
  width: 60px;
  height: 30px;
  font-size: 24px;
  cursor: pointer;
  float: right;
  text-align: center;
}

.sdt-btn-print-1{
    background-color: #ff0000;
  color: white;
  border: none;
  border-radius: 10px;
  width: 60px;
  height: 30px;
  font-size: 24px;
  cursor: pointer;
  float: right;
  text-align: center;
}

.card-form-header {
  display: flex;
  justify-content: space-between;
  /* ซ้าย-ขวา */
  align-items: center;
  /* จัดตรงกลางแนวดิ่ง */
  flex-wrap: wrap;
  /* รองรับหน้าจอแคบ */
  gap: 10px;
}

.card-form-actions {
  display: flex;
  gap: 10px;
}

.ar-btn-add {
  background-color: #00cc66;
  color: white;
  border: none;
  border-radius: 10px;
  width: 50px;
  height: 30px;
  font-size: 24px;
  cursor: pointer;
  float: right;
}

/* ✅ POPUP OVERLAY */
.sdt-popup-overlay {
  display: none;
  /* ซ่อนไว้ก่อน */
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

/* ✅ POPUP BOX */
.sdt-popup {
  background: white;
  padding: 30px;
  border-radius: 12px;
  width: 400px;
  max-width: 95%;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.sdt-form-row {
  margin-bottom: 15px;
}

.sdt-form-row select {
  width: 100%;
}

.sdt-form-row label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  width: 100%;
}

.sdt-form-row input {
  width: 95%;
  padding: 8px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

.sdt-form-actions {
  text-align: right;
}

.sdt-btn-cancel {
  background-color: #e74c3c;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 5px;
  margin-right: 5px;
  cursor: pointer;
}

.sdt-btn-save {
  background-color: #27ae60;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 5px;
  cursor: pointer;
}


/* ===== Student  ===== */
.stu-info {
  font-family: "Sarabun", sans-serif;
  background-color: #eaf3fd;
  padding: 20px;
}

.stu-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  width: auto;
  margin: auto;
  padding: 30px;
  box-sizing: border-box;
}

/* ✅ หัว card มีปุ่มแก้ไข */
.stu-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.stu-title {
  font-size: 20px;
  margin: 0;
}

/* ✅ ปุ่มแก้ไข */
.stu-btn-edit {
  background-color: #efd346;
  color: rgb(0, 0, 0);
  border: none;
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
}

.stu-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
  margin-left: 30px;
}

.stu-info-group select {
  width: 100%;
}

.stu-info-group input {
  width: 94%;
}

.stu-info-group textarea {
  width: 94%;
}

label {
  font-weight: bold;
  margin-bottom: 5px;
  font-size: 14px;
}

input,
select,
textarea {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.stu-group select {
  width: 100%;
}

select[disabled],
input[readonly],
textarea[readonly] {
  background-color: #f9f9f9;
}

.required::after {
  content: " *";
  color: red;
}

.stu-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 20px;
  max-width: 600px;
  margin: auto;
}

/* ✅ ปุ่มลบ */
.stu-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: flex-end;
}

/* ✅ Popup แก้ไข */
.stu-popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.stu-popup {
  background: white;
  padding: 30px;
  border-radius: 12px;
  width: 400px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.stu-info-group {
  margin-bottom: 10px;
}

.stu-popup-actions {
  text-align: right;
  margin-top: 15px;
}

.stu-btn-cancel {
  background-color: gray;
  color: white;
  padding: 6px 12px;
  border: none;
  border-radius: 5px;
  margin-right: 10px;
}

.stu-btn-save {
  background-color: green;
  color: white;
  padding: 6px 12px;
  border: none;
  border-radius: 5px;
}



/* ===== Responsive ===== */
@media (max-width: 768px) {
  .main-container {
    margin-left: 0;
    padding: 20px;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -250px;
    transition: left 0.3s ease;
    z-index: 999;
  }

  .sidebar.open {
    left: 0;
  }

  .sidebar-toggle {
    position: fixed;
    top: 15px;
    left: 15px;
    background-color: var(--accent, #4f46e5);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    z-index: 1000;
    cursor: pointer;
  }

  .main-container {
    margin-left: 0 !important;
    padding-top: 60px;
  }

  table {
    font-size: 13px;
  }

  th,
  td {
    padding: 10px;
  }

  .table-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .table-header h2 {
    font-size: 18px;
  }

  .button {
    width: 100%;
    text-align: center;
  }
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal {
  background: white;
  border-radius: 8px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.modal h3 {
  margin-top: 0;
}

.modal-actions {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.modal-actions button {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.modal-confirm {
  background: #4f46e5;
  color: white;
}

.modal-cancel {
  background: #e5e7eb;
  color: #333;
}

.popup {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.8);
}

.popup-content {
  display: block;
  margin: auto;
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
}

.close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

.head-his {
  background-color: #ffffff;
  padding: 16px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #3a3a3a;
  border-radius: 10px;
  margin: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.his-head {
  display: flex;
  justify-content: space-between;
  /* ข้อความซ้าย ปุ่มขวา */
  align-items: center;
  /* จัดให้อยู่แนวกึ่งกลาง */
}

.nameh {
  text-align: left;
}

.filter {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 10px;
  text-align: center;
}

.status {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 10px;
}

/* ===== Login ===== */

.grid-container-login {
  display: grid;
  grid-template-columns: 2fr 1fr;
  /* 8/4 คือ 2:1 */
  height: 100vh;
}

.left {
  background: url('https://www.apean.org/files/gallery/120/e8877345ddd352204fb0a7abd9b6adc8.jpg') no-repeat center;
  background-size: cover;
  height: 100%;
}

.right {
  background: linear-gradient(135deg, #FFB0D9, #B0CFFF);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
}

.login-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 350px;
}

.logo-login {
  width: 200px;
  margin-bottom: 20px;
}

.right h2 {
  margin-bottom: 30px;
  text-align: center;
}

.form-box-login {
  display: flex;          /* เพิ่มบรรทัดนี้ */
  flex-direction: column; /* ของเดิมมีอยู่แล้ว */
  align-items: center;    /* ของเดิมมีอยู่แล้ว */
  width: 100%;
  max-width: 350px;
  gap: 12px;              /* เพิ่มช่องไฟระหว่างแถว */
}


.input-icon-login {
  position: relative;
  margin-bottom: 15px;
}

.input-icon-login i {
  position: absolute;
  top: 45%;
  left: 20px;
  transform: translateY(-50%);
  color: #999;
}

.input-icon-login input {
  width: 80%;
  padding: 12px 20px 15px 40px;
  border-radius: 25px;
  border: 1px solid #ccc;
  outline: none;
  font-size: 15px;
}

.form-box-login button {
  width: 100%;           /* เดิมเป็น 60% → แก้เป็น 100% */
  background-color: #008CFF;
  color: #fff;
  padding: 12px;
  border: 0;
  border-radius: 20px;
  font-size: 16px;
  cursor: pointer;
}

.form-box-login button:hover {
  background-color: #0077cc;
}

/* ===== Tablet ===== */
@media (max-width: 1024px) {
  .grid-container-login {
    grid-template-columns: 1fr;
  }

  .left {
    display: none;
  }

  .right {
    padding: 60px 25px;
  }

  .login-wrapper {
    width: 100%;
    max-width: none;
  }

  .logo-login {
    width: clamp(200px, 50vw, 700px);
    margin-bottom: 20px;
  }

  .right h2 {
    font-size: 45px;
    margin-bottom: 40px;
  }

  .input-icon-login input {
    width: 100%;
    padding: 30px 20px 30px 80px;
    /* margin-left: -50px; */
    font-size: 27px;
    border-radius: 45px;
    align-items: center;
  }

  .input-icon-login i {
    /* margin-left: -30px; */
    margin-top: 3px;
    font-size: 27px;
    align-items: center;
  }

  .form-box-login button {
    width: 100%;
    font-size: 27px;
    padding: 22px;
    margin-top: 20px;
    border-radius: 45px;
  }
}

/* ===== Mobile ===== */
@media (max-width: 480px) {
  .right {
    width: 100%;
    padding: 60px 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .login-wrapper {
    width: 100%;
    max-width: none;
  }

  .logo-login {
    width: clamp(200px, 50vw, 700px);
    margin-bottom: 20px;
  }

  .right h2 {
    font-size: 28px;
    margin-bottom: 35px;
  }

  .input-icon-login input {
    width: 100%;
    padding: 25px 20px 25px 60px;
    font-size: 20px;
    border-radius: 45px;
  }

  .form-box-login button {
    width: 100%;
    font-size: 22px;
    padding: 22px;
    border-radius: 45px;
  }
}

/* ====== Optional: รองรับพรีวิวแบบ custom overlay (ถ้าใช้ .popup/.popup-content) ====== */
.popup {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  /* display: grid; */
  place-items: center;
}

.popup .popup-content {
  max-width: min(95vw, 900px);
  max-height: 85vh;
  overflow: auto;
  border-radius: 12px;
}

.popup img,
.popup iframe,
.popup embed {
  max-width: 100%;
  height: auto;
  display: block;
}

/* สำหรับโปรไฟล์ */
.profile-picture img {
    border-radius: 50%;
    object-fit: cover;
}

/* change pass */
/* ส่วนหลัก */
.gardianpass {
  background: linear-gradient(135deg, #FFB0D9, #B0CFFF);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100vh;
  box-sizing: border-box;
  padding: 20px;
}

.logo-login {
  width: 230px;
  margin-bottom: 30px;
  max-width: 80%;
}

.change-password-container {
  background: rgba(255,255,255,0.9);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  width: 100%;
  max-width: 400px;
}

.change-password-container h2 {
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.change-password-container div {
  margin-bottom: 15px;
  text-align: left;
}

.change-password-container label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  font-size: 0.95rem;
}

.change-password-container input {
  width: 100%;
  padding: 10px;
  border-radius: 15px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

.change-password-container button {
  width: 100%;
  padding: 12px;
  background-color: #77BEF0;
  border: none;
  border-radius: 15px;
  font-size: 16px;
  cursor: pointer;
  color: white;
}


    .btnResetColor{
      background-color: #fbc94d;
    }


/* 🟢 Responsive ปรับสำหรับมือถือ */
@media (max-width: 768px) {
.logo-login {
    width: 220px; /* ขยายให้ใหญ่กว่าที่เคย */
    margin-bottom: 25px;
  }

  .change-password-container {
    padding: 25px; 
    max-width: 95%; /* กว้างขึ้นเกือบเต็มจอ */
    border-radius: 18px;
  }

  .change-password-container h2 {
    font-size: 1.4rem; /* ใหญ่ขึ้นกว่าของเดิม */
    text-align: center;
  }

  .change-password-container input {
    padding: 12px;
    font-size: 1rem; /* ใหญ่ขึ้นเล็กน้อย */
  }

  .change-password-container button {
    font-size: 16px;
    padding: 12px;
  }
}

@media (max-width: 480px) {
  .logo-login {
    width: 220px !important;   /* บังคับให้ใหญ่ */
    max-width: 100% !important; /* ยกเลิก max-width เดิม */
  }

  .change-password-container {
    width: 95% !important;      /* กว้างขึ้นเกือบเต็มจอ */
    max-width: none !important; /* ยกเลิก max-width 400px */
    padding: 25px;
    border-radius: 18px;
  }

  .change-password-container h2 {
    font-size: 1.4rem;
  }

  .change-password-container input {
    font-size: 1rem;
    padding: 12px;
  }

  .change-password-container button {
    font-size: 16px;
    padding: 12px;
  }
}

.swal2-container {
  z-index: 9999 !important;
}