/* =========================================================
   MODERN EDUCATIONAL DASHBOARD UI
   Clean • Premium • Consistent • Responsive
========================================================= */

:root {

  /* COLORS */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #0f172a;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #f59e0b;
  --bg: #f4f7fb;
  --white: #ffffff;
  --text: #0f172a;
  --text-light: #64748b;
  --border: #e2e8f0;
  --card-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --hover-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  --radius: 18px;
  --transition: 0.25s ease;
}


/* =========================================================
   RESET
========================================================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 18px;
  font-family: Arial, Helvetica, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.6;
}


/* =========================================================
   TYPOGRAPHY
========================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--secondary);
  font-weight: 700;
  margin-bottom: 10px;
}

h1 {
  font-size: 2rem;
}

h3 {
  font-size: 1.1rem;
}

.card p {
  color: white;
  font-size: 1.5rem;
}

a {
  text-decoration: none;
}


/* =========================================================
   LAYOUT
========================================================= */

.dashboard-layout {
  display: flex;
  min-height: 100vh;
}

.main {
  width: 100%;
  margin-top: 100px;
}


/* =========================================================
   HEADER
========================================================= */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;

  background: linear-gradient(45deg, #001557, #031e6f);
  backdrop-filter: blur(12px);

  padding: 18px 30px;

  border-bottom:
    1px solid rgba(255, 255, 255, 0.08);
}

.logo img {
  width: 100%;
  max-width: 170px;
}

header .navItems a {
  color: #fff;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

header .navItems a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;

  width: 100%;
  height: 2px;

  background: var(--primary);

  transform: scaleX(0);
  transform-origin: left;

  transition: var(--transition);
}

header .navItems a:hover::after {
  transform: scaleX(1);
}


/* =========================================================
   TOPBAR
========================================================= */

.topbar {
  display: flex;
  margin-left: -60px;
  margin-top: -45px;
}

#toggleBtn {
  display: flex;
  width: 47px;
  height: 47px;
  margin-bottom: 15px;
  border: none;
  background: var(--white);
  color: var(--secondary);
  padding: 0px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  justify-content: end;
  padding: 5px;
  position: fixed;
  margin-top: 7px;
}

#toggleBtn:hover {
  transform: translateY(-2px);
}


/* =========================================================
   WELCOME SECTION
========================================================= */

.welcomeBg {
  background: linear-gradient(135deg, #6986c6, #6b83c9);

  border-radius: 28px;

  padding: 40px;

  color: white;

  margin-bottom: 30px;

  box-shadow:
    0 15px 40px rgba(37, 99, 235, 0.22);
}

.welcomeBg h1,
.welcomeBg p {
  color: white;
}

.welcomeActive {
  display: inline-flex;
  align-items: center;
  gap: 10px;

  background:
    rgba(255, 255, 255, 0.15);

  border:
    1px solid rgba(255, 255, 255, 0.2);

  color: white;

  padding: 10px 20px;

  border-radius: 999px;

  font-size: 14px;
  font-weight: 600;

  backdrop-filter: blur(10px);
}

.welcomeMessage {
  padding: 25px 30px;
  border-radius: 25px;
}


.searchArea {
  background: rgb(255 255 255);
  padding: 0px 10px 0px 0px;
  border-radius: 11px;
  color: #051064;
}

.searchArea input {
  border-radius: 5px 0px 0px 5px;
}

/* =========================================================
   GLOBAL CARD STYLE
========================================================= */

.card,
.uploadNote,
table {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}


/* =========================================================
   DASHBOARD STATS CARD
========================================================= */

.card {
  padding: 28px;
  transition: var(--transition);
  height: 100%;
  box-shadow: 0 8px 25px rgb(95 59 255 / 35%);
  border: 1px solid rgba(255, 255, 255, .1);
  background: linear-gradient(135deg, #98b7fb, #5f71a6);

}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--hover-shadow);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 16px;
}

.card h3 span {
  width: 65px;
  height: 65px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #003faf 0%, #104aac 50%, #4364f7 100%);
  color: white;

}

.card h3 i {
  font-size: 28px;
}

.card h2 {
  margin-top: 18px;
  font-size: 2rem;
  color: var(--secondary);
}

.cardBoxGraph {
  width: 60px;
  height: 32px;

  border-radius: 10px;
  background: rgb(13 113 169);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 15px;
}


/* =========================================================
   BUTTONS
========================================================= */

.primaryBtn,
.pageBtn,
.redBtn,
button {
  border: none;
  outline: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 7px;
  cursor: pointer;
  transition: var(--transition);

}

.cardBtn {
  padding: 8px 18px;
  text-decoration: none;
  border-radius: 15px;
  background: none;
  color: #423e3e;
  border: 1px solid lightgray;
  transition: 0.4s;
}

.cardBtn:hover {
  transform: translateY(-3px);
  color: rgb(58, 58, 58);
  box-shadow: 3px 3px 3px rgb(192, 218, 255);
}

.pageBtn {
  padding: 8px 18px;
  text-decoration: none;
  border-radius: 15px;
  background: none;
  color: #ffffff;
  border: 1px solid lightgray;
  background: #051064;


}

.primaryBtn {
  background:
    linear-gradient(135deg, var(--primary), var(--primary-dark));

  color: white;
}

.primaryBtn:hover,
.pageBtn:hover {
  transform: translateY(-2px);
  color: rgb(255, 255, 255);
}

.redBtn {
  background: rgba(239, 18, 18, 0.711);

  color: white;
}

.redBtn:hover {
  background: var(--danger);
  color: white;
}

.loveBtn {
  background: linear-gradient(45deg, #ff8600, #ff4d4df7);
  padding: 12px 18px;
  border: 2px solid rgb(255 255 255);
  border-radius: 35%;
  color: white;
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pageBtn.active {
  background: #007bff;
  color: white;
  font-weight: bold;
}

/* =========================================================
   TABLE DESIGN
========================================================= */

table {
  width: 100%;
  overflow: hidden;
  border-collapse: collapse;
  margin-top: 18px;
}

table th {
  background:
    #f8fafc;

  color: var(--secondary);

  font-size: 14px;
  font-weight: 700;

  padding: 20px;
}

table td {
  padding: 20px;
  border-top: 1px solid var(--border);

  color: var(--text-light);

  font-size: 14px;
}

table tr {
  transition: var(--transition);
}

table tr:hover {
  background: #f8fbff;
}

.fa-trophy {
  color: var(--warning);
}


/* =========================================================
   FORMS
========================================================= */

input,
select,
textarea,
.form-control {

  width: 100%;

  border:
    1px solid var(--border);

  border-radius: 14px;

  padding: 8px 16px;

  background: white;

  transition: var(--transition);

  font-size: 14px;
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus {
  box-shadow: none;
}


/* =========================================================
   UPLOAD FORM
========================================================= */

.uploadNote {
  max-width: 650px;
  margin: auto;

  padding: 35px;
}

.uploadNote label {
  margin-bottom: 8px;
  display: block;

  font-weight: 600;
  color: var(--secondary);
}

.uploadNote p {
  font-size: 13px;
  margin-top: 8px;
}


/* =========================================================
   NOTE CARD
========================================================= */

.noteCard {

  padding: 20px;

  transition: var(--transition);

  overflow: hidden;

  height: 100%;
  display: flex;
  flex-direction: column;
}


.noteBtns {
  margin-top: auto;
}

.noteCard:hover {
  transform: translateY(-6px);
  box-shadow: var(--hover-shadow);
}

.subjectBadge {

  background: #eff6ff;
  color: #474747;
  padding: 3px 10px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid #e3e3e3;
  border-radius: 5px 5px 0px 0px;

}










.noteProfileImg {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #2563eb;

}

.letterAvatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #1e3a8a);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
}

.usersName {
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
}

.cardUserName {
  font-size: 13px;
  color: #6b7280;
  margin-top: -23px;
  background: #f6f6ff;
}

.usersEmail {
  font-size: 11px;
  color: #64748b;
  background: #f6f6ff;
}

/* =========================================
   MODERN NOTE CARD
========================================= */

.noteCard {

  background: white;

  border-radius: 24px;

  overflow: hidden;

  border: 2px solid #eaeaea;

  transition: 0.35s ease;

  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.08);

  height: 100%;

  position: relative;
}

.noteCard:hover {

  transform: translateY(-8px);

  box-shadow:
    0 20px 45px rgba(0, 0, 0, 0.12);
}


/* =========================================
   IMAGE
========================================= */

.noteThumbnail {
  height: 190px;
  overflow: hidden;

}

.noteThumbnail img {

  width: 100%;
  height: 100%;

  object-fit: cover;

  transition: 0.4s ease;
  border-radius: 0px 0px 10px 10px;
}

.noteCard:hover .noteThumbnail img {

  transform: scale(1.06);
}


/* =========================================
   TOP USER INFO
========================================= */

.noteTopInfo {

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 18px 22px;

  margin-top: -30px;

  position: relative;
  z-index: 10;
}

.noteTopInfo {

  background: transparent;

  padding: 10px 14px;

  border-radius: 60px;

}


/* =========================================
   PROFILE
========================================= */

.noteProfileImg,
.letterAvatar {

  width: 52px;
  height: 52px;

  border-radius: 50%;

  object-fit: cover;

  border: 3px solid white;

  flex-shrink: 0;
}

.noteProfileImg {

  border: 3px solid #e5e7eb;
}

.letterAvatar {

  background:
    linear-gradient(135deg, #2563eb, #1e40af);

  display: flex;
  align-items: center;
  justify-content: center;

  color: white;

  font-weight: 700;
}


/* =========================================
   USER TEXT
========================================= */

.usersName {

  font-size: 17px;

  font-weight: 700;

  color: #111827;
}

.usersEmail {

  font-size: 13px;

  color: #6b7280;

  margin-top: 2px;
}


/* =========================================
   CATEGORY BADGE
========================================= */

.categoryBadge {

  background: #eff6ff;
  color: #2563eb;
  padding: 4px 11px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
}


/* =========================================
   CONTENT
========================================= */


.noteContent h3 {

  font-size: 22px;

  font-weight: 700;

  color: #111827;

  line-height: 1.4;

  margin-bottom: 16px;
}

.noteDescription {

  color: #4b5563;

  font-size: 16px;

  line-height: 1.8;

  margin-bottom: 24px;
  text-align: justify;
}


/* =========================================
   BUTTON AREA
========================================= */


/* =========================================
   BUTTON
========================================= */



/* =========================================================
   ALERT
========================================================= */

.alert-box {

  background:
    rgba(22, 163, 74, 0.1);

  color: var(--success);

  border:
    1px solid rgba(22, 163, 74, 0.2);

  padding: 16px 20px;

  border-radius: 14px;

  font-weight: 600;
}


/* =========================================================
   SIDEBAR CLOSE
========================================================= */

.dashboard-layout.close .sidebar {
  width: 0;
  overflow: hidden;
}

.dashboard-layout.close .main {
  margin-left: 0;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 992px) {

  .main {
    padding:
      90px 18px 30px;
  }

  .welcomeBg {
    padding: 28px;
  }

  .card {
    padding: 22px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

}


@media (max-width: 768px) {

  h1 {
    font-size: 1.6rem;
  }

  .welcomeBg {
    border-radius: 22px;
  }

  .card h2 {
    font-size: 1.7rem;
  }

  .primaryBtn,
  .pageBtn,
  .redBtn,
  button {

    width: 100%;
  }

}


@media (max-width: 576px) {

  .main {
    padding:
      85px 14px 20px;
  }

  .welcomeBg {
    padding: 22px;
  }

  .card h3 {
    flex-direction: column;
    align-items: flex-start;
  }

  .card h3 span {
    width: 58px;
    height: 58px;
  }

  .card h2 {
    font-size: 1.5rem;
  }

}