/* ============================================
   MODERN CHANGE COUNTRY CODE - FACEBOOK THEME
   ============================================ */

/* CSS Variables for Easy Customization */
:root {
  --primary: #1877f2;
  --primary-dark: #166fe5;
  --primary-light: #3578e5;
  --success: #42b72a;
  --success-dark: #36a420;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --text: #1c1e21;
  --text-light: #65676b;
  --border: #e4e6eb;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  --radius: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: 2rem;
}

/* Container - Scoped to change-code page only */
body > .container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* ============================================
   MAIN CARD CONTAINER
   ============================================ */
.main-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  transition: var(--transition);
  animation: fadeInUp 0.6s ease-out;
}

.main-card:hover {
  box-shadow: var(--shadow-xl);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   HEADING
   ============================================ */
h1 {
  color: var(--text);
  font-weight: 700;
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
  text-align: center;
}

.fs20 {
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-light);
}

/* ============================================
   CURRENT COUNTRY CODE CARD
   ============================================ */
.current-code-card {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  margin: 2rem auto;
  text-align: center;
  color: white;
  max-width: 400px;
}

.current-code-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.current-code-label {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.9;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.current-code-value {
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: 2px;
}

.current-code-value span {
  font-size: 2.5rem;
}

/* ============================================
   SELECT DROPDOWN SECTION
   ============================================ */
.select-section {
  margin: 2rem 0;
}

.select-label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Scoped to change-code page select only */
#selected_country_code.form-control,
select#selected_country_code {
  border: 2px solid var(--border) !important;
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  font-size: 1rem;
  transition: var(--transition);
  background: white;
  width: 100%;
  box-shadow: var(--shadow);
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 12 12'%3E%3Cpath fill='%231877f2' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  background-size: 14px;
  padding-right: 3.5rem;
  font-weight: 500;
}

#selected_country_code.form-control:focus,
select#selected_country_code:focus {
  outline: none !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(24, 119, 242, 0.1), var(--shadow-md);
  transform: translateY(-2px);
}

#selected_country_code.form-control:hover,
select#selected_country_code:hover {
  border-color: var(--primary-light);
}

.fs15 {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
}

/* ============================================
   BUTTONS - Modern & Interactive (Scoped to change-code page)
   ============================================ */
.button-group .btn,
#change_country_code.btn,
.main-card .btn {
  border: none;
  border-radius: 24px;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: inline-block;
  text-decoration: none;
  margin: 0.5rem;
}

.button-group .btn::before,
#change_country_code.btn::before,
.main-card .btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.button-group .btn:hover::before,
#change_country_code.btn:hover::before,
.main-card .btn:hover::before {
  width: 300px;
  height: 300px;
}

.button-group .btn-primary,
#change_country_code.btn-primary,
.main-card .btn-primary {
  background: var(--primary);
  color: white;
}

.button-group .btn-primary:hover,
#change_country_code.btn-primary:hover,
.main-card .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.button-group .btn-primary:active,
#change_country_code.btn-primary:active,
.main-card .btn-primary:active {
  transform: translateY(0);
}

.button-group .btn-success,
#change_country_code.btn-success,
.main-card .btn-success {
  background: var(--success);
  color: white;
}

.button-group .btn-success:hover,
#change_country_code.btn-success:hover,
.main-card .btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.button-group .btn-lg,
#change_country_code.btn-lg,
.main-card .btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

/* ============================================
   BUTTON GROUP
   ============================================ */
.button-group {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.button-group .btn {
  margin: 0.5rem;
  min-width: 200px;
}

/* Save button in select section */
.select-section + .text-center {
  margin-top: 1.5rem;
}

.select-section + .text-center .btn {
  margin: 0;
  min-width: 200px;
}

/* ============================================
   ALERTS - Modern Styling (Scoped to change-code page)
   ============================================ */
#alert.alert {
  border: none;
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin: 1.5rem 0;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#alert.alert.bg-success {
  background: var(--success) !important;
  color: white;
  box-shadow: var(--shadow-md);
}

#alert.alert.bg-primary {
  background: var(--primary) !important;
  color: white;
  box-shadow: var(--shadow-md);
}

/* ============================================
   LINKS
   ============================================ */
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ============================================
   BOOTSTRAP INFO COLOR OVERRIDE - Facebook Blue (Scoped)
   ============================================ */
.main-card .bg-info,
#alert.alert.bg-info {
  background-color: var(--primary) !important;
  color: white;
}

.main-card .border-info {
  border-color: var(--primary) !important;
}

.main-card .text-info {
  color: var(--primary) !important;
}

.button-group .btn-info,
#change_country_code.btn-info,
.main-card .btn-info {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  color: white !important;
}

.button-group .btn-info:hover,
#change_country_code.btn-info:hover,
.main-card .btn-info:hover {
  background-color: var(--primary-dark) !important;
  border-color: var(--primary-dark) !important;
  color: white !important;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  :root {
    --radius: 14px;
    --radius-lg: 18px;
  }

  .container {
    margin: 1rem auto;
    padding: 0 0.75rem;
  }

  .main-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  h1 {
    font-size: 1.5rem;
  }

  .fs20 {
    font-size: 0.9rem;
  }

  .fs15 {
    font-size: 0.9rem;
  }

  .current-code-card {
    padding: 1.25rem 1.5rem;
    margin: 1.5rem auto;
  }

  .current-code-value {
    font-size: 1.5rem;
  }

  .current-code-value span {
    font-size: 2rem;
  }

  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 0.9rem;
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }

  .button-group .btn {
    min-width: 100%;
    margin: 0.5rem 0;
  }

  #selected_country_code.form-control,
  select#selected_country_code {
    font-size: 0.95rem;
    padding: 0.875rem 1.25rem;
    padding-right: 3rem;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Remove default Bootstrap card borders - Only for change-code page cards */
.main-card.card,
.current-code-card.card {
  border: none;
}

/* Center alignment utility */
.text-center {
  text-align: center;
}

/* Spacing utilities */
.mt-2 {
  margin-top: 0.5rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

.m-2 {
  margin: 0.5rem;
}

.m-3 {
  margin: 1rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

/* Override old card-header class if used */
.card-header {
  border: none;
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: inline-block;
  margin: 1rem 0;
}

.card-header.bg-primary {
  background: var(--primary) !important;
  color: white;
}

.card-header:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header span {
  font-weight: 700;
  font-size: 1.25rem;
}