/* ============================================================
   FORM & COMPONENT STYLES
   Modern, accessible form design with micro-interactions
   ============================================================ */

/* --- Form Container --- */
.form-nap-the {
  padding: 0;
  animation: fadeIn 0.4s ease-out;
}

.form-dangnhap {
  background-color: var(--color-white);
  padding: var(--space-4) var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
}

/* --- Menh gia & Card Info Layout --- */
.form-menhgia-mtsr {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  background-color: transparent;
}

.form-menhgia {
  width: calc(50% - var(--space-2));
  background-color: var(--color-white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition-normal);
}

.form-menhgia:hover {
  box-shadow: var(--shadow-md);
}

.form-mtsr {
  width: calc(50% - var(--space-2));
  background-color: var(--color-white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition-normal);
}

.form-mtsr:hover {
  box-shadow: var(--shadow-md);
}

/* --- Title Form Labels --- */
.title-form {
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  line-height: var(--line-height-normal);
}

.title-form b {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
}

.title-form font[color="red"] {
  color: var(--color-primary) !important;
  font-weight: var(--font-weight-bold);
}

/* --- Menh gia Header --- */
.menhgia-themdiem-title {
  display: flex;
  padding: var(--space-3) 0;
  border-bottom: 2px solid var(--color-primary);
  align-items: center;
  position: relative;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
}

/* --- Menh gia Items --- */
.menhgia-item {
  display: flex;
  cursor: pointer;
  padding: var(--space-3) var(--space-3);
  margin: var(--space-1) 0;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  align-items: center;
  position: relative;
  background: var(--color-white);
  transition: all var(--transition-normal);
  gap: var(--space-2);
}

.menhgia-item:hover {
  border-color: var(--color-primary-200);
  background: var(--color-primary-50);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

.menhgia-item.active {
  border-color: var(--color-primary);
  background: var(--color-primary-50);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.menhgia-item.active::after {
  content: '✓';
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: bold;
  animation: scaleIn 0.2s var(--transition-spring);
}

.menhgia-item-lock {
  display: flex;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-gray-100);
  align-items: stretch;
  position: relative;
  border-top: 0;
  opacity: 0.5;
}

/* --- Menh gia & Them diem text --- */
.menh-gia {
  width: 140px;
  padding: 0 var(--space-2) 0 var(--space-6);
  flex: 0 0 auto;
  box-sizing: border-box;
  position: relative;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
}

.them-diem {
  min-width: 0;
  overflow: hidden;
  flex: 1 1 auto;
  padding: 0 0 0 var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.them-diem span[style*="color: green"],
.them-diem span[style*="color:green"] {
  color: var(--color-success) !important;
  font-weight: var(--font-weight-bold);
}

/* --- Radio Buttons --- */
.input-radio {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gray-300);
  outline: none;
  transition: all var(--transition-fast);
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  flex-shrink: 0;
}

.input-radio:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 3px white;
}

.input-radio:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.input-radio-lock {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gray-300);
  outline: none;
  transition: all var(--transition-fast);
  position: absolute;
  left: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
}

/* --- Divider --- */
.divider {
  flex-basis: 1px;
  background: var(--color-gray-200);
  margin: 0 var(--space-2);
  align-self: stretch;
}

/* --- Form Inputs --- */
.input-form-hihi {
  padding: var(--space-1) 0;
}

.input-hihi {
  width: 100%;
  color: var(--color-gray-800);
  background: var(--color-white);
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  outline: none;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.input-hihi::placeholder {
  color: var(--color-gray-400);
}

.input-hihi:hover {
  border-color: var(--color-gray-400);
}

.input-hihi:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
  background-color: var(--color-white);
}

.input-hihi.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-light);
  animation: shake 0.4s ease-in-out;
}

/* Select dropdown styling */
select.input-hihi {
  padding-right: var(--space-10);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  cursor: pointer;
}

select.input-hihi:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23DC2626' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Readonly input */
.input-hihi[readonly] {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-200);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

/* --- Form Input (legacy class) --- */
.form-input {
  width: 100%;
  color: var(--color-gray-800);
  background: transparent;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  text-align: left;
  display: block;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

select.form-input {
  padding: 0 var(--space-3);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* --- Submit Button --- */
.submithihi {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-500) 100%);
  border-radius: var(--radius-lg);
  border: none;
  padding: var(--space-3) var(--space-6);
  color: var(--color-white);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-primary);
  position: relative;
  overflow: hidden;
  margin-top: var(--space-4);
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.submithihi::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.submithihi:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-lg);
  background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary) 100%);
}

.submithihi:hover::before {
  left: 100%;
}

.submithihi:active {
  transform: translateY(0);
  box-shadow: var(--shadow-primary);
}

.submithihi:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* --- Card Type Selection --- */
.form-loaithe {
  display: flex;
  flex-wrap: wrap;
  padding: var(--space-2);
  gap: var(--space-2);
  background-color: var(--color-white);
  margin: var(--space-2) 0;
}

.loaithe-item {
  flex-basis: 100px;
  height: 60px;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.loaithe-item:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-xs);
}

.loaithe-item.selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.loaithe-item.selected::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: calc(50% - 5px);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 5px 8px 5px;
  border-color: transparent transparent var(--color-primary) transparent;
}

.loaithe-img {
  width: 100%;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loaithe-img img {
  max-width: 70%;
  max-height: 70%;
}

/* --- Login Buttons (legacy) --- */
.login-uid {
  background-color: var(--color-primary-500);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary-500);
  padding: var(--space-2) var(--space-3);
  color: var(--color-white);
  margin-right: var(--space-1);
  margin-top: var(--space-1);
  margin-bottom: var(--space-1);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-uid:hover {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
}

.login-garena {
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  padding: var(--space-2) var(--space-3);
  color: var(--color-white);
  margin-right: var(--space-1);
  margin-top: var(--space-1);
  margin-bottom: var(--space-1);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-facebook {
  background-color: #4267B2;
  border-radius: var(--radius-md);
  border: 2px solid #4267B2;
  padding: var(--space-2) var(--space-3);
  color: var(--color-white);
  margin-right: var(--space-1);
  margin-top: var(--space-1);
  margin-bottom: var(--space-1);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-apple,
.login-google {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-gray-300);
  padding: var(--space-2) var(--space-3);
  color: var(--color-gray-800);
  margin-right: var(--space-1);
  margin-top: var(--space-1);
  margin-bottom: var(--space-1);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-vk {
  background-color: #4F7CB3;
  border-radius: var(--radius-md);
  border: 1px solid #3F7CB3;
  padding: var(--space-2) var(--space-3);
  color: var(--color-white);
  cursor: pointer;
}

.login-twitter {
  background-color: #1D9CEB;
  border-radius: var(--radius-md);
  border: 1px solid #1D9CEB;
  padding: var(--space-2) var(--space-3);
  color: var(--color-white);
  cursor: pointer;
}

.inputdangnhap {
  width: 100%;
  color: var(--color-gray-800);
  background: transparent;
  padding: var(--space-3) var(--space-3);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
}

.inputdangnhap:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.select-dangnhap {
  margin: -2px 0 0 0;
}

.select-dangnhap2 {
  padding: var(--space-1) 0;
}

/* --- Result Text --- */
.result {
  color: var(--color-primary);
  margin: var(--space-2) 0;
  font-size: var(--font-size-sm);
}

/* --- Warning Text --- */
.canhbao12px {
  font-size: var(--font-size-xs);
  font-style: italic;
  color: var(--color-error);
}

/* --- Promotion Tag --- */
.km {
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

/* --- Highlight Section Animation --- */
.highlight-section {
  animation: highlightFlash 1s ease-in-out infinite;
  border: 2px solid var(--color-primary) !important;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

/* --- Shake Animation for Errors --- */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

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

@media (max-width: 767px) {
  .form-menhgia-mtsr {
    flex-direction: column;
    gap: var(--space-3);
  }

  .form-menhgia {
    width: 100%;
  }

  .form-mtsr {
    width: 100%;
  }

  .form-dangnhap {
    padding: var(--space-3) var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
  }

  .menh-gia {
    width: auto;
    flex: 1;
    padding: 0 var(--space-2) 0 var(--space-8);
  }

  .menhgia-item {
    padding: var(--space-3) var(--space-2);
  }

  .submithihi {
    min-height: 44px;
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 380px) {
  .form-menhgia,
  .form-mtsr {
    padding: var(--space-3);
  }
}