:root{
  --psu-blue:#0b3d91;
  --psu-blue-2:#1f5fbf;
  --psu-gold:#f4b400;
  --soft:#f7f9fc;
}
body{
  background: linear-gradient(180deg,#f7fbff 0%,#f4f6fb 100%);
  color:#1f2937;
}
.modern-nav{
  background: linear-gradient(135deg,var(--psu-blue),var(--psu-blue-2));
  box-shadow: 0 10px 25px rgba(0,0,0,.08);
}
.hero{
  background: linear-gradient(135deg, rgba(11,61,145,.95), rgba(31,95,191,.92));
  color:#fff;
  border-radius: 24px;
  padding: 48px 32px;
  box-shadow: 0 20px 40px rgba(11,61,145,.18);
}
.glass-card, .card{
  border:0;
  border-radius: 22px;
  box-shadow: 0 12px 30px rgba(0,0,0,.06);
}
.section-title{
  font-weight: 800;
  color: var(--psu-blue);
}
.btn-psu{
  background: linear-gradient(135deg,var(--psu-blue),var(--psu-blue-2));
  color:#fff;
  border:none;
  border-radius: 14px;
  padding:.75rem 1rem;
}
.btn-psu:hover{ color:#fff; opacity:.95; }
.badge-soft{
  background:#eaf2ff;
  color:var(--psu-blue);
}
.stat-card{
  padding: 22px;
  border-radius: 22px;
  background:#fff;
  box-shadow: 0 12px 30px rgba(0,0,0,.06);
}
.table-modern{
  background:#fff;
  border-radius:18px;
  overflow:hidden;
}
.form-control, .form-select{
  border-radius: 14px;
  padding:.75rem .9rem;
}
.step{
  background:#fff;
  border-radius:20px;
  padding:22px;
  height:100%;
}

.btn-psu1{
  background: linear-gradient(135deg, #ffc107, #ffb300);
  color: #000; /* สีดำ อ่านชัดบนพื้นเหลือง */
  border: none;
  border-radius: 14px;
  padding: .75rem 1rem;
}

.btn-psu1:hover{
  color: #000;
  opacity: .9;
}
.btn-psu2{
  background: linear-gradient(135deg, #dc3545, #b02a37);
  color: #fff; /* สีขาว อ่านชัดบนพื้นแดง */
  border: none;
  border-radius: 14px;
  padding: .75rem 1rem;
}

.btn-psu2:hover{
  opacity: 0.9;
  color: #fff;
}

.badge-soft{
  background: #fff3cd;
  color: #856404;
}

/* =========================================
   REQUEST TYPE CARDS - MODERN PSU
========================================= */

.request-badge {
    display: inline-block;
    background: rgba(11, 61, 145, 0.10);
    color: #0b3d91;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.3px;
    box-shadow: 0 8px 20px rgba(11, 61, 145, 0.08);
}

.request-card {
    position: relative;
    display: block;
    height: 100%;
    border-radius: 30px;
    padding: 34px 28px;
    overflow: hidden;
    transition: all 0.35s ease;
    box-shadow: 0 18px 50px rgba(2, 6, 23, 0.10);
    border: 1px solid rgba(255,255,255,0.35);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.request-card::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: all 0.35s ease;
    z-index: 0;
}

.request-card:hover {
    transform: translateY(-10px) scale(1.01);
    box-shadow: 0 28px 60px rgba(2, 6, 23, 0.18);
}

.request-card:hover::before {
    opacity: 1;
}

.request-card > * {
    position: relative;
    z-index: 2;
}

/* แยกสี 3 กลุ่ม */
.current-card {
    background: linear-gradient(135deg, rgba(11,61,145,0.95), rgba(14,165,233,0.88));
    color: #fff;
}

.current-card::before {
    background: radial-gradient(circle at top right, rgba(255,255,255,0.22), transparent 35%);
}

.graduated-card {
    background: linear-gradient(135deg, rgba(124,58,237,0.95), rgba(168,85,247,0.88));
    color: #fff;
}

.graduated-card::before {
    background: radial-gradient(circle at top right, rgba(255,255,255,0.22), transparent 35%);
}

.alumni-card {
    background: linear-gradient(135deg, rgba(245,158,11,0.95), rgba(251,191,36,0.88));
    color: #fff;
}

.alumni-card::before {
    background: radial-gradient(circle at top right, rgba(255,255,255,0.24), transparent 35%);
}

/* icon */
.request-icon-wrap {
    margin-bottom: 22px;
}

.request-icon {
    width: 84px;
    height: 84px;
    border-radius: 24px;
    display: grid;
    place-items: center;
    font-size: 2rem;
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.20);
    box-shadow: 0 18px 35px rgba(255,255,255,0.10);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.request-card:hover .request-icon {
    transform: rotate(-4deg) scale(1.08);
}

/* tag */
.request-tag {
    display: inline-block;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.18);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

/* title */
.request-title {
    font-size: 2.55rem;
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.35;
}

/* desc */
.request-desc {
    font-size: 1.5rem;
    line-height: 1.85;
    opacity: 0.96;
    margin-bottom: 28px;
    min-height: 120px;
}

/* button fake */
.request-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 999px;
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.18);
    font-weight: 800;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 12px 24px rgba(255,255,255,0.08);
	color:#000000;
}

.request-card:hover .request-btn {
    transform: translateX(6px);
    background: rgba(255,255,255,0.22);
}

/* mobile */
@media (max-width: 991.98px) {
    .request-card {
        padding: 28px 22px;
        border-radius: 24px;
    }

    .request-title {
        font-size: 1.35rem;
    }

    .request-desc {
        min-height: auto;
        margin-bottom: 22px;
    }

    .request-icon {
        width: 74px;
        height: 74px;
        font-size: 1.8rem;
    }
}

  body { font-family: 'Kanit', sans-serif; background-color: #f4f7f6; }
        .register-card { background: #ffffff; }
        
        /* สไตล์สำหรับฟอร์มที่คุณใช้ */
        .form-modern {
            border-radius: 10px;
            padding: 10px 15px;
            border: 1px solid #dee2e6;
            transition: all 0.3s;
        }
        .form-modern:focus {
            border-color: #0d6efd;
            box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
        }

        /* สไตล์ Error Message */
        .validation-error {
            color: #dc3545;
            font-size: 0.8rem;
            margin-top: 4px;
            display: none; /* ซ่อนไว้ก่อน */
        }

        /* เมื่อ Input มีปัญหา */
        .is-invalid {
            border-color: #dc3545 !important;
            background-color: #fff8f8;
        }

        .request-badge {
            background: #e9ecef;
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #6c757d;
        }

        .pdpa-box {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 15px;
            border: 1px solid #e9ecef;
        }

        .btn-psu {
            background-color: #0d6efd;
            color: white;
        }