/* ==========================================================================
   🔒 PVT HR LEAVE - index.css (Next-Gen Clean & Modern Glassmorphism UI)
   ========================================================================== */

:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --primary-gradient: linear-gradient(135deg, #0d9488 0%, #0284c7 100%);
  --primary-glow: rgba(13, 148, 136, 0.35);

  --text-dark: #0f172a;
  --text-main: #334155;
  --text-muted: #64748b;
  --border-light: #e2e8f0;
  --border-focus: #0d9488;

  --bg-card: rgba(255, 255, 255, 0.88);
  --shadow-card: 0 20px 40px -15px rgba(15, 23, 42, 0.08), 0 0 1px 1px rgba(255, 255, 255, 0.9) inset;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'IBM Plex Sans Thai', 'Plus Jakarta Sans', 'Sarabun', sans-serif;
  background-color: #f0fdfa;
  background-image: 
    radial-gradient(circle at 15% 15%, #cffafe 0px, transparent 40%),
    radial-gradient(circle at 85% 20%, #a7f3d0 0px, transparent 45%),
    radial-gradient(circle at 80% 85%, #bae6fd 0px, transparent 40%),
    radial-gradient(circle at 20% 80%, #ccfbf1 0px, transparent 45%);
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding: clamp(16px, 3vw, 28px);
  color: var(--text-dark);
  -webkit-font-smoothing: antialiased;
}

/* ================== กล่องล็อกอินจัดกึ่งกลางหน้าจอ ================== */
.login-container {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 10;
}

.login-card {
  width: 100%;
  background: var(--bg-card);
  border-radius: 24px;
  padding: clamp(28px, 6vw, 40px) clamp(20px, 5vw, 36px);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: smoothEntrance 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  box-sizing: border-box;
}

/* ================== ส่วนหัวแบรนด์และโลโก้ ================== */
.brand-area {
  text-align: center;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.brand-logo {
  height: 82px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(13, 148, 136, 0.18));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand-logo:hover {
  transform: scale(1.05) rotate(-2deg);
}

.brand-area h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #0f172a;
  margin: 0 0 6px 0;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f0fdfa;
  color: #0d9488;
  border: 1px solid #ccfbf1;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 600;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ================== ฟอร์มและช่องกรอกข้อมูล ================== */
.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: #94a3b8;
  font-size: 20px;
  pointer-events: none;
  transition: color 0.2s ease;
}

.input-field {
  width: 100%;
  height: 48px;
  padding: 0 16px 0 44px;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  font-size: 14.5px;
  font-family: inherit;
  background: #ffffff;
  color: #1e293b;
  box-sizing: border-box;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.input-field:focus {
  outline: none;
  border-color: #0d9488;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.12);
}

.input-wrapper:focus-within .input-icon {
  color: #0d9488;
}

/* ================== กล่องรหัสผ่าน & ปุ่มดูรหัส ================== */
.password-wrapper .input-field {
  padding-right: 46px;
}

.toggle-password {
  position: absolute;
  right: 14px;
  color: #94a3b8;
  cursor: pointer;
  user-select: none;
  font-size: 20px;
  transition: all 0.2s ease;
}

.toggle-password:hover {
  color: #0d9488;
  transform: scale(1.1);
}

.toggle-password:active {
  transform: scale(0.9);
}

/* ================== ปุ่มกดเข้าสู่ระบบ (Login Button) ================== */
.login-btn {
  width: 100%;
  height: 48px;
  margin-top: 10px;
  border: none;
  border-radius: 12px;
  font-size: 15.5px;
  font-family: inherit;
  font-weight: 600;
  color: #ffffff;
  background: var(--primary-gradient);
  box-shadow: 0 4px 14px var(--primary-glow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.login-btn span.material-symbols-outlined {
  font-size: 20px;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--primary-glow);
  filter: brightness(1.04);
}

.login-btn:active {
  transform: scale(0.98);
}

/* ================== ปุ่มสแกน QR Code ================== */
.qr-btn {
  width: 100%;
  height: 46px;
  margin-top: 10px;
  border: 1.5px solid #0d9488;
  border-radius: 12px;
  background: #f0fdfa;
  color: #0f766e;
  font-size: 14.5px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease-in-out;
}

.qr-btn span.material-symbols-outlined {
  font-size: 20px;
}

.qr-btn:hover {
  background: #ccfbf1;
  border-color: #0f766e;
  transform: translateY(-1px);
}

.qr-btn:active {
  transform: scale(0.98);
}

.login-footer-info {
  margin-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #64748b;
}

/* ==========================================================================
   📖 FLOATING / INLINE INSTRUCTIONS WIDGET (คู่มือการใช้งาน)
   ========================================================================== */
.instructions-container {
  width: 100%;
  max-width: 440px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 20;
}

.instructions-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #cbd5e1;
  padding: 8px 18px;
  border-radius: 30px;
  color: #334155;
  font-size: 13px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.instructions-toggle-btn:hover {
  background: #ffffff;
  border-color: #0d9488;
  color: #0d9488;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.12);
}

.instructions-toggle-btn .icon-main {
  color: #0d9488;
  font-size: 18px;
}

.instructions-toggle-btn .icon-arrow {
  color: #94a3b8;
  font-size: 18px;
  transition: transform 0.3s ease;
}

.instructions-toggle-btn .icon-arrow.rotate {
  transform: rotate(180deg);
}

.instructions-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  width: 100%;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  margin-top: 0;
  box-shadow: 0 15px 30px -5px rgba(15, 23, 42, 0.12);
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, margin-top 0.25s ease, padding 0.25s ease;
  padding: 0 16px;
  box-sizing: border-box;
}

.instructions-content.show {
  max-height: 480px;
  opacity: 1;
  margin-top: 10px;
  padding: 16px;
}

.instructions-header {
  font-size: 13.5px;
  font-weight: 700;
  color: #0f172a;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.instructions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.instructions-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  color: #475569;
  line-height: 1.45;
  text-align: left;
}

.instructions-list .icon-bullet {
  font-size: 18px;
  color: #0d9488;
  background: #f0fdfa;
  padding: 4px;
  border-radius: 6px;
  flex-shrink: 0;
}

/* ==========================================================================
   ✨ MICRO-ANIMATIONS & POPUPS
   ========================================================================== */
@keyframes smoothEntrance {
  0% {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.swal2-popup {
  font-family: 'IBM Plex Sans Thai', 'Plus Jakarta Sans', 'Sarabun', sans-serif !important;
  border-radius: 20px !important;
  padding: 1.8em !important;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25) !important;
}

.swal2-title {
  font-size: 20px !important;
  font-weight: 700 !important;
  color: #0f172a !important;
}

.swal2-styled.swal2-confirm {
  background: var(--primary-gradient) !important;
  border-radius: 10px !important;
  padding: 10px 24px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px var(--primary-glow) !important;
}

@media screen and (max-width: 640px) {
  body {
    padding: 16px 12px 28px 12px;
    align-items: center;
  }

  .login-container {
    max-width: 100%;
    margin: 0;
  }

  .login-card {
    padding: 24px 18px;
    border-radius: 20px;
  }

  .brand-logo {
    height: 68px;
  }

  .brand-area h1 {
    font-size: 22px;
  }

  .input-field {
    font-size: 16px !important;
    height: 48px;
  }

  .login-btn, .qr-btn {
    height: 48px;
    font-size: 15px;
  }

  .instructions-container {
    margin-top: 14px;
    width: 100%;
  }

  .instructions-toggle-btn {
    width: auto;
    padding: 8px 18px;
  }

  .instructions-content {
    width: 100%;
  }
}