/**
 * ==============================================================================
 * Ideate Web Solutions — Modern Button Design System
 * ------------------------------------------------------------------------------
 * Style: Soft-Square (8px sm / 10px md-lg / 12px xl)
 * Brand Primary: #01837a (Teal)
 * ==============================================================================
 */

:root {
  /* Brand Colors */
  --iws-primary:       #01837a;
  --iws-primary-dark:  #095953;
  --iws-primary-light: #e6f5f4;
  --iws-primary-mid:   #126c6c;

  /* Dark Palette */
  --iws-dark:          #0e1e24;
  --iws-dark-hover:    #162c38;
  --iws-dark-2:        #1c3d49;

  /* Neutrals & Base */
  --iws-white:         #ffffff;
  --iws-border:        #d1d5db;
  --iws-muted:         #64748b;

  /* Status Colors */
  --iws-danger:        #dc2626;
  --iws-danger-dark:   #991b1b;
  --iws-success:       #16a34a;
  --iws-success-dark:  #166534;
  --iws-warning:       #d97706;
  --iws-warning-dark:  #92400e;

  /* Soft-Square Radii */
  --iws-radius-xs:     8px;
  --iws-radius-sm:     8px;
  --iws-radius-md:     10px;
  --iws-radius-lg:     10px;
  --iws-radius-xl:     12px;

  /* Transitions */
  --iws-btn-transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==============================================================================
   1. BASE BUTTON
   ============================================================================== */
.iws-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none !important;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--iws-btn-transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.2px;
  vertical-align: middle;
  user-select: none;
  -webkit-appearance: none;
}

.iws-btn:focus {
  text-decoration: none !important;
}

.iws-btn:focus-visible {
  outline: 3px solid rgba(1, 131, 122, 0.45);
  outline-offset: 2px;
}

.iws-btn:disabled,
.iws-btn.disabled {
  opacity: 0.55 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  box-shadow: none !important;
  transform: none !important;
}

/* Active subtle ripple/flash */
.iws-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.16);
  opacity: 0;
  transition: opacity 0.18s;
  pointer-events: none;
}
.iws-btn:active::after {
  opacity: 1;
}

/* ==============================================================================
   2. SIZES (Soft-Square)
   ============================================================================== */
.iws-btn-xs {
  font-size: 11px;
  padding: 5px 14px;
  border-radius: var(--iws-radius-xs);
}

.iws-btn-sm {
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--iws-radius-sm);
}

.iws-btn-md {
  font-size: 14.5px;
  padding: 10px 24px;
  border-radius: var(--iws-radius-md);
}

.iws-btn-lg {
  font-size: 16px;
  padding: 13px 32px;
  border-radius: var(--iws-radius-lg);
}

.iws-btn-xl {
  font-size: 17px;
  padding: 16px 40px;
  border-radius: var(--iws-radius-xl);
}

/* Block / Full Width */
.iws-btn-block {
  display: flex;
  width: 100%;
}

/* Icon-only soft squares */
.iws-btn-icon-sm {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--iws-radius-sm);
  font-size: 14px;
}
.iws-btn-icon-md {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--iws-radius-md);
  font-size: 16px;
}
.iws-btn-icon-lg {
  width: 50px;
  height: 50px;
  padding: 0;
  border-radius: var(--iws-radius-lg);
  font-size: 18px;
}

/* ==============================================================================
   3. COLOR VARIANTS
   ============================================================================== */

/* Primary Teal */
.iws-btn-primary {
  background: var(--iws-primary);
  color: var(--iws-white) !important;
  border-color: var(--iws-primary);
  box-shadow: 0 2px 8px rgba(1, 131, 122, 0.25);
}
.iws-btn-primary:hover {
  background: var(--iws-primary-dark);
  border-color: var(--iws-primary-dark);
  color: var(--iws-white) !important;
  box-shadow: 0 6px 20px rgba(1, 131, 122, 0.35);
  transform: translateY(-2px);
}
.iws-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(1, 131, 122, 0.2);
}

/* Outline Primary */
.iws-btn-outline {
  background: transparent;
  color: var(--iws-primary) !important;
  border-color: var(--iws-primary);
  box-shadow: none;
}
.iws-btn-outline:hover {
  background: var(--iws-primary);
  border-color: var(--iws-primary);
  color: var(--iws-white) !important;
  box-shadow: 0 6px 20px rgba(1, 131, 122, 0.3);
  transform: translateY(-2px);
}
.iws-btn-outline:active {
  transform: translateY(0);
}

/* Soft / Light Teal */
.iws-btn-soft {
  background: var(--iws-primary-light);
  color: var(--iws-primary) !important;
  border-color: var(--iws-primary-light);
}
.iws-btn-soft:hover {
  background: var(--iws-primary);
  color: var(--iws-white) !important;
  border-color: var(--iws-primary);
  box-shadow: 0 6px 20px rgba(1, 131, 122, 0.3);
  transform: translateY(-2px);
}

/* Dark Navy */
.iws-btn-dark {
  background: var(--iws-dark);
  color: var(--iws-white) !important;
  border-color: var(--iws-dark);
  box-shadow: 0 2px 8px rgba(14, 30, 36, 0.25);
}
.iws-btn-dark:hover {
  background: var(--iws-dark-hover);
  border-color: var(--iws-dark-hover);
  color: var(--iws-white) !important;
  box-shadow: 0 6px 20px rgba(14, 30, 36, 0.35);
  transform: translateY(-2px);
}
.iws-btn-dark:active {
  transform: translateY(0);
}

/* White Solid (on dark backgrounds) */
.iws-btn-white {
  background: var(--iws-white);
  color: var(--iws-primary) !important;
  border-color: var(--iws-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}
.iws-btn-white:hover {
  background: var(--iws-primary-light);
  color: var(--iws-primary-dark) !important;
  border-color: var(--iws-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

/* Outline White (on dark backgrounds) */
.iws-btn-outline-white {
  background: transparent;
  color: var(--iws-white) !important;
  border-color: rgba(255, 255, 255, 0.7);
}
.iws-btn-outline-white:hover {
  background: var(--iws-white);
  color: var(--iws-primary) !important;
  border-color: var(--iws-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
}

/* Gradient CTA */
.iws-btn-gradient {
  background: linear-gradient(135deg, var(--iws-primary) 0%, #00b5a9 100%);
  color: var(--iws-white) !important;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(1, 131, 122, 0.35);
}
.iws-btn-gradient:hover {
  background: linear-gradient(135deg, var(--iws-primary-dark) 0%, var(--iws-primary) 100%);
  color: var(--iws-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(1, 131, 122, 0.45);
}

/* Danger */
.iws-btn-danger {
  background: var(--iws-danger);
  color: var(--iws-white) !important;
  border-color: var(--iws-danger);
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
}
.iws-btn-danger:hover {
  background: var(--iws-danger-dark);
  border-color: var(--iws-danger-dark);
  color: var(--iws-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.35);
}

/* Outline Danger */
.iws-btn-outline-danger {
  background: transparent;
  color: var(--iws-danger) !important;
  border-color: var(--iws-danger);
}
.iws-btn-outline-danger:hover {
  background: var(--iws-danger);
  color: var(--iws-white) !important;
  border-color: var(--iws-danger);
  transform: translateY(-2px);
}

/* Success */
.iws-btn-success {
  background: var(--iws-success);
  color: var(--iws-white) !important;
  border-color: var(--iws-success);
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
}
.iws-btn-success:hover {
  background: var(--iws-success-dark);
  border-color: var(--iws-success-dark);
  color: var(--iws-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
}

/* Warning */
.iws-btn-warning {
  background: var(--iws-warning);
  color: var(--iws-white) !important;
  border-color: var(--iws-warning);
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.25);
}
.iws-btn-warning:hover {
  background: var(--iws-warning-dark);
  border-color: var(--iws-warning-dark);
  color: var(--iws-white) !important;
  transform: translateY(-2px);
}

/* ==============================================================================
   4. ICON & STATE HELPERS
   ============================================================================== */
.iws-btn .btn-icon-left {
  margin-right: 2px;
  display: inline-block;
  line-height: 1;
}
.iws-btn .btn-icon-right {
  margin-left: 2px;
  display: inline-block;
  line-height: 1;
  transition: transform 0.2s ease;
}
.iws-btn:hover .btn-icon-right {
  transform: translateX(3px);
}

/* Social Share Button */
.iws-btn-share {
  width: 40px;
  height: 40px;
  border-radius: var(--iws-radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  color: #475569 !important;
  border: 1px solid #e2e8f0;
  transition: var(--iws-btn-transition);
  text-decoration: none !important;
  font-size: 15px;
}
.iws-btn-share:hover {
  background: var(--iws-primary);
  color: var(--iws-white) !important;
  border-color: var(--iws-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(1, 131, 122, 0.3);
}

/* Loading Spinner */
.iws-btn-loading {
  pointer-events: none !important;
  position: relative;
}
.iws-btn-loading .btn-text {
  opacity: 0.7;
}
@keyframes iws-spin {
  to { transform: rotate(360deg); }
}
.iws-btn .spin-icon {
  display: inline-block;
  animation: iws-spin 0.85s linear infinite;
  margin-right: 4px;
}

/* ==============================================================================
   5. CARD CONTAINER HOVER CONTEXTS
   ============================================================================== */
.course-card-item:hover .iws-btn-outline {
  background: var(--iws-primary);
  border-color: var(--iws-primary);
  color: var(--iws-white) !important;
  box-shadow: 0 4px 14px rgba(1, 131, 122, 0.3);
}
.course-card-item:hover .iws-btn .btn-icon-right {
  transform: translateX(4px);
}